DOC AIRBUS | AMM A320FSYSTEM DISPLAY - ELEC PAGE - DESCRIPTION AND OPERATION
** ON A/C NOT FOR ALL
** ON A/C NOT FOR ALL
1. ELEC Page
The ELEC Page is displayed in the following figure.
SD - ELEC Page: Display of the Parameters 1 to 26 ** ON A/C NOT FOR ALL
SD - ELEC Page: Display of the Parameters 1 to 26 ** ON A/C NOT FOR ALL
Item 1: Transformer rectifier 1 operation
Item 2: DC busbar 1 indication
Item 3: Battery 1 operation
Item 4: Essential TR contactor indication
Item 5: Battery 1 charge/discharge operation
Item 6: DC Battery busbar indication
Item 7: Battery 2 charge/discharge operation
Item 8: Battery 2 operation
Item 9: DC Busbar 2 indication
Item 10: Emergency generator operation
Item 11: Transformer rectifier 2 operation
Item 12: Emergency Generator line contactor
Item 13: AC Busbar 2 indication
Item 14: Generator 2 operation
Item 15: IDG 2 operation indication (low pressure/disconnection)
Item 16: IDG 2 outlet temperature indication
Item 17: External power operation
Item 18: AC Essential busbar indication
Item 19: Galley shed operation message
Item 19: APU Generator operation
Item 20: APU Generator operation
Item 20: IDG 2 outlet temperature
Item 21: IDG 1 outlet temperature
Item 21: Galley Shed message
Item 22: IDG 1 operation (low pressure/disconnection)
Item 23: Generator 1 operation
Item 24: AC Busbar 1 indication
Item 25: Essential TR supply indication
Item 26: Essential TR operation
The symbols related to these indications are described hereafter:
The ELEC Page is displayed in the following figure.
SD - ELEC Page: Display of the Parameters 1 to 26 ** ON A/C NOT FOR ALL SD - ELEC Page: Display of the Parameters 1 to 26 ** ON A/C NOT FOR ALL Item 2: DC busbar 1 indication
Item 3: Battery 1 operation
Item 4: Essential TR contactor indication
Item 5: Battery 1 charge/discharge operation
Item 6: DC Battery busbar indication
Item 7: Battery 2 charge/discharge operation
Item 8: Battery 2 operation
Item 9: DC Busbar 2 indication
Item 10: Emergency generator operation
Item 11: Transformer rectifier 2 operation
Item 12: Emergency Generator line contactor
Item 13: AC Busbar 2 indication
Item 14: Generator 2 operation
Item 15: IDG 2 operation indication (low pressure/disconnection)
Item 16: IDG 2 outlet temperature indication
Item 17: External power operation
Item 18: AC Essential busbar indication
Item 19: Galley shed operation message
Item 19: APU Generator operation
Item 20: APU Generator operation
Item 20: IDG 2 outlet temperature
Item 21: IDG 1 outlet temperature
Item 21: Galley Shed message
Item 22: IDG 1 operation (low pressure/disconnection)
Item 23: Generator 1 operation
Item 24: AC Busbar 1 indication
Item 25: Essential TR supply indication
Item 26: Essential TR operation
The symbols related to these indications are described hereafter:
A. Item 1 - Transformer rectifier 1 operation
The title TR1 is normally white
TR is white
1 of TR1 is normally white (item A),
and also white when the voltage and current displayed below are not available from the SDAC. It is displayed in amber when the voltage or the current is out of range.
The voltage (item B) is displayed in green, when inside the range: 25V to 31V. It is displayed in amber when outside this range. The voltage value is replaced by amber XX when it is not available from the SDAC. The display can vary from 0 to 99V.
The current (item C) is displayed in green when its value is above 5A. It is displayed in amber when below this value. The current value is replaced by amber XX when it is not available from the SDAC. The display can vary from 0 to 999A.
The title TR1 is normally white
TR is white
1 of TR1 is normally white (item A),
and also white when the voltage and current displayed below are not available from the SDAC. It is displayed in amber when the voltage or the current is out of range.
The voltage (item B) is displayed in green, when inside the range: 25V to 31V. It is displayed in amber when outside this range. The voltage value is replaced by amber XX when it is not available from the SDAC. The display can vary from 0 to 99V.
The current (item C) is displayed in green when its value is above 5A. It is displayed in amber when below this value. The current value is replaced by amber XX when it is not available from the SDAC. The display can vary from 0 to 999A.
B. Item 2 - DC busbar 1 indication
Case 1
Case 1
The outlined DC 1 indication is displayed in green when the bus is on, as transmitted by the SDAC.
The DC 1 indication is displayed in green when the bus is on, as transmitted by the SDAC.
Case 2
It is displayed in amber when the bus is off.
Case 3
It is not displayed (outline empty) when the bus status is not available from the SDAC.
Case 3
It is replaced by amber XX when the bus status is not available from the SDAC.
Case 1
Case 1
The outlined DC 1 indication is displayed in green when the bus is on, as transmitted by the SDAC.
The DC 1 indication is displayed in green when the bus is on, as transmitted by the SDAC.
Case 2
It is displayed in amber when the bus is off.
Case 3
It is not displayed (outline empty) when the bus status is not available from the SDAC.
Case 3
It is replaced by amber XX when the bus status is not available from the SDAC.
C. Item 3 - Battery 1 operation
BAT 1 is normally displayed in white (item A).
ELEC Page - Display of the Parameters: BATTERY OPERATION, BATTERY BUSBAR, DC ESS BUSBAR ** ON A/C NOT FOR ALL
ELEC Page - Display of the Parameters: BATTERY OPERATION, BATTERY BUSBAR, DC ESS BUSBAR ** ON A/C NOT FOR ALL
It is displayed in amber when the voltage below or the current is amber.
The voltage is normally displayed in green, and displayed in amber when outside the range 25V to 31V. The display can vary from 0 to 99V.
The current is normally displayed in green, and displayed in amber when below -5A. The display can vary from 0 to 999A.
These digital values for the voltage or the current are replaced by amber XX when the related data are not available from the SDAC.
The set of information voltage/current is displayed only when the BAT1 P/B SW is ON, as rtansmitted by the BCL via the SDAC. When it is OFF, or when the information is not available from the SDAC, the voltage/current is replaced by OFF.
BAT 1 is normally displayed in white (item A).
ELEC Page - Display of the Parameters: BATTERY OPERATION, BATTERY BUSBAR, DC ESS BUSBAR ** ON A/C NOT FOR ALL
It is displayed in amber when the voltage is not between the range 25V to 31V or current below minus 5A or BAT 1 is faulty.
The voltage is normally displayed in green, and displayed in amber when outside the range 25V to 31V. The display can vary from 0 to 99V (item B).
The current is normally displayed in green, and displayed in amber when below -5A. The display can vary from 0 to 999A (item C).
These digital values for the voltage or the current are replaced by amber XX when the related data are not available from the SDAC.
The set of information voltage/current is displayed only when the BAT1 P/B SW is ON, as transmitted by the BCL via the SDAC.It is replaced by OFF message when the BAT1 P/B is OFF upon discrete signal wired on SDAC or when the BAT1 P/B state is unknown.
BAT 1 is normally displayed in white (item A).
ELEC Page - Display of the Parameters: BATTERY OPERATION, BATTERY BUSBAR, DC ESS BUSBAR ** ON A/C NOT FOR ALL ELEC Page - Display of the Parameters: BATTERY OPERATION, BATTERY BUSBAR, DC ESS BUSBAR ** ON A/C NOT FOR ALL The voltage is normally displayed in green, and displayed in amber when outside the range 25V to 31V. The display can vary from 0 to 99V.
The current is normally displayed in green, and displayed in amber when below -5A. The display can vary from 0 to 999A.
These digital values for the voltage or the current are replaced by amber XX when the related data are not available from the SDAC.
The set of information voltage/current is displayed only when the BAT1 P/B SW is ON, as rtansmitted by the BCL via the SDAC. When it is OFF, or when the information is not available from the SDAC, the voltage/current is replaced by OFF.
BAT 1 is normally displayed in white (item A).
ELEC Page - Display of the Parameters: BATTERY OPERATION, BATTERY BUSBAR, DC ESS BUSBAR ** ON A/C NOT FOR ALL The voltage is normally displayed in green, and displayed in amber when outside the range 25V to 31V. The display can vary from 0 to 99V (item B).
The current is normally displayed in green, and displayed in amber when below -5A. The display can vary from 0 to 999A (item C).
These digital values for the voltage or the current are replaced by amber XX when the related data are not available from the SDAC.
The set of information voltage/current is displayed only when the BAT1 P/B SW is ON, as transmitted by the BCL via the SDAC.It is replaced by OFF message when the BAT1 P/B is OFF upon discrete signal wired on SDAC or when the BAT1 P/B state is unknown.
D. Item 4 - Essential TR contactor indication
Refer to the para. ELEC Page links below.
Refer to the para. ELEC Page links below.
E. Item 5 - Battery 1 charge/discharge operation
Refer to the para. ELEC Page links below.
Refer to the para. ELEC Page links below.
F. Item 6 - DC Battery busbar indication
Case 1
DC BAT is normally displayed in green, when the voltage of the battery bus 3PP is over 25V, as transmitted by the BCL1, or the BCL2 via the SDAC.
Case 2
DC BAT is displayed in amber when the voltage value from the BCL1 and from the BCL2 are both below 25V.
Case 3
DC BAT is replaced by amber XX when both voltages from the BCL1 and the BCL2 are not available.
ELEC Page - Display of the Parameters: BATTERY OPERATION, BATTERY BUSBAR, DC ESS BUSBAR ** ON A/C NOT FOR ALL
ELEC Page - Display of the Parameters: BATTERY OPERATION, BATTERY BUSBAR, DC ESS BUSBAR ** ON A/C NOT FOR ALL
Case 1
DC BAT is normally displayed in green, when the voltage of the battery bus 3PP is over 25V, as transmitted by the BCL1, or the BCL2 via the SDAC.
Case 2
DC BAT is displayed in amber when the voltage value from the BCL1 and from the BCL2 are both below 25V.
Case 3
DC BAT is replaced by amber XX when both voltages from the BCL1 and the BCL2 are not available.
ELEC Page - Display of the Parameters: BATTERY OPERATION, BATTERY BUSBAR, DC ESS BUSBAR ** ON A/C NOT FOR ALL ELEC Page - Display of the Parameters: BATTERY OPERATION, BATTERY BUSBAR, DC ESS BUSBAR ** ON A/C NOT FOR ALL G. Item 7 - Battery 2 charge/discharge operation
Refer to the para. ELEC Page links below.
Refer to the para. ELEC Page links below.
H. Item 8 - Battery 2 operation
Refer to item 3 as the same principles apply. Only the title is different: replace BAT 1 by BAT 2.
Refer to item 3 as the same principles apply. Only the title is different: replace BAT 1 by BAT 2.
I. Item 9 - DC Busbar 2 indication
Refer to item 2 as the same principles apply. Only the bus title is different: replace DC 1 by DC 2.
Refer to item 2 as the same principles apply. Only the bus title is different: replace DC 1 by DC 2.
J. Item 10 - Emergency generator operation
The title EMER GEN (item A)
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL
is displayed in white.
It is displayed in amber when the voltage or the frequency is itself displayed in amber.
The voltage (item B)
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL
is normally displayed in green, when in the range 110V - 120V. It is displayed in amber when outside this range. The display can vary from 0 to 999V.
The frequency (item C)
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL
is displayed in green when in the range 390Hz - 410Hz. It is displayed in amber when outside this range. The display can vary from 0 to 999Hz.
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL
Green triangle displayed when emergency generator contactor is closed, otherwise in white. (item A)
The title EMER GEN (item B) is displayed in white.
It is displayed in amber when the voltage or the frequency is itself displayed in amber.
The voltage (item C)
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL
is normally displayed in green, when in the range 110V - 120V. It is displayed in amber when outside this range . It is replaced by amber XX when information is invalid. The display can vary from 0 to 999V
The frequency (item D)
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL
is displayed in green when in the range 390Hz - 410Hz. It is displayed in amber when outside this range. It is replaced by amber XX when information is invalid. The display can vary from 0 to 999Hz.
The title EMER GEN (item A)
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL It is displayed in amber when the voltage or the frequency is itself displayed in amber.
The voltage (item B)
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL The frequency (item C)
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL The title EMER GEN (item B) is displayed in white.
It is displayed in amber when the voltage or the frequency is itself displayed in amber.
The voltage (item C)
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL The frequency (item D)
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL K. Item 11 - Transformer rectifier 2 operation
Refer to item 1 as the same principle apply. Only replace the title TR 1 by TR 2.
Refer to item 1 as the same principle apply. Only replace the title TR 1 by TR 2.
L. Item 12 - Emergency Generator line contactor
Refer to the para. ELEC Page links below.
Refer to the para. ELEC Page links below.
M. Item 13 - AC Busbar 2 indication
AC 2 is normally displayed in green (case 1).
It is displayed in amber when there is no voltage on the barbus as transmitted to the SDAC by the relay 15XC (case 2).
The rectangle is empty when the information is not transmitted correctly by the SDAC.
The title AC2 is replaced by amber XX when the information is not transmitted correctly by the SDAC (case 3).
AC 2 is normally displayed in green (case 1).
It is displayed in amber when there is no voltage on the barbus as transmitted to the SDAC by the relay 15XC (case 2).
The rectangle is empty when the information is not transmitted correctly by the SDAC.
The title AC2 is replaced by amber XX when the information is not transmitted correctly by the SDAC (case 3).
N. Item 14 - Generator 2 operation
GEN 2 (item A)
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL
is normally displayed in white.
The GEN title is displayed in amber when
is normally displayed in white. It is displayed in amber when the engine is not running, as transmitted by the engine bus.
The GEN LOAD (item B) is displayed in green. It is displayed in amber in case of an overload transmitted by the SDAC. The display can vary from 0 to 999%.
The voltage (item C) is displayed in green when inside the range: 110V - 120V, and displayed in amber when outside this range. The display can vary from 0 to 999V.
Item (B) or (C) are replaced by amber XX when the related value is transmitted not valid by the SDAC.
The frequency (item D) is displayed in green when inside the range 390Hz - 410Hz, and displayed in amber when outside this range. The display can vary from 0 to 999Hz.
Item (D) is replaced by amber XX when the related value is transmitted not valid by the SDAC.
When the generator is off the set voltage/load/frequency is replaced by OFF (in white).
GEN 2 (item A)
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL The GEN title is displayed in amber when
- the generator pushbutton is set to OFF
- the generator frequency is outside the range 390 Hz/410 Hz
- the generator voltage is outside the range 110V/120V
- a generator overload occurs
is normally displayed in white. It is displayed in amber when the engine is not running, as transmitted by the engine bus.
The GEN LOAD (item B) is displayed in green. It is displayed in amber in case of an overload transmitted by the SDAC. The display can vary from 0 to 999%.
The voltage (item C) is displayed in green when inside the range: 110V - 120V, and displayed in amber when outside this range. The display can vary from 0 to 999V.
Item (B) or (C) are replaced by amber XX when the related value is transmitted not valid by the SDAC.
The frequency (item D) is displayed in green when inside the range 390Hz - 410Hz, and displayed in amber when outside this range. The display can vary from 0 to 999Hz.
Item (D) is replaced by amber XX when the related value is transmitted not valid by the SDAC.
When the generator is off the set voltage/load/frequency is replaced by OFF (in white).
O. Item 15 - IDG 2 status (low pressure/disconnection)
Case 1
Under IDG1 or IDG2 an amber message LO PR may be displayed
Case 1
Under IDG1 or IDG2 an amber message LO PR may be displayed
when a low press information is transmitted to the SDAC.
when a low press information is transmitted to the SDAC, together with an engine running and IDG not disconnected (transmitted valid)
Case 2
The amber message DISC is displayed when the related IDG is disconnected as transmitted by the SDAC.
Case 2
The amber message DISC is displayed when the related IDG is disconnected as transmitted valid by the SDAC, together with the IDG oil low press valid.
Case 3
When this information is not valid or not available from the SDAC nothing is displayed in this area.
Case 1
Under IDG1 or IDG2 an amber message LO PR may be displayed
Case 1
Under IDG1 or IDG2 an amber message LO PR may be displayed
when a low press information is transmitted to the SDAC.
when a low press information is transmitted to the SDAC, together with an engine running and IDG not disconnected (transmitted valid)
Case 2
The amber message DISC is displayed when the related IDG is disconnected as transmitted by the SDAC.
Case 2
The amber message DISC is displayed when the related IDG is disconnected as transmitted valid by the SDAC, together with the IDG oil low press valid.
Case 3
When this information is not valid or not available from the SDAC nothing is displayed in this area.
P. Item 16 - IDG 2 outlet temperature indication
The temperature for the IDG outlet is normally displayed in green.
It is displayed flashing when over 147°C. it is displayed in amber when over 180 °C.
The display can vary from -99°C to 999°C.
The temperature for the IDG outlet is normally displayed in green.
It is displayed flashing when over 147°C. it is displayed in amber when over 180 °C.
The display can vary from -99°C to 999°C.
Q. Item 17 - External power operation
Case 1 EXT PWR (item A) is displayed when the external power is available, or the line contactor is on.
It is normally displayed in white. It is displayed in amber when the voltage or frequency below is amber.
The voltage (item B) is displayed in green when inside the range 110V - 120V. It is displayed in amber when outside this range. The display can vary from 0 to 999V.
The frequency is displayed in green when inside the range 390Hz - 410Hz. It is displayed in amber when outside this range. The display can vary from 0 to 999Hz.
Case 2
STAT INV (item A) is displayed when the static inverter is available, as correctly received from the FWC bus.
It is normally displayed in white. It is displayed in amber when the voltage or frequency below is amber.
The voltage (item B) is displayed in green when inside the range 110V - 120V. It is displayed in amber when outside this range.
The frequency is displayed in green when inside the range 390Hz - 410Hz. It is displayed in amber when outside this range.
Case 3
When the conditions are such that neither the EXT PWR nor the STAT INV has to be displayed, the space concerned remains blank.
Case 1
EXT PWR (item A) is displayed when the external power is available, or the line contactor is on.
It is normally displayed in white. It is displayed in amber when the voltage or frequency below is amber.
The voltage (item B) is displayed in green when inside the range 110V - 120V. It is displayed in amber when outside this range. The display can vary from 0 to 999V.
The frequency is displayed in green when inside the range 390Hz - 410Hz. It is displayed in amber when outside this range. The display can vary from 0 to 999Hz.
Case 2
STAT INV (item A) is displayed when the static inverter is available, as correctly received from the FWC bus.
It is normally displayed in white. It is displayed in amber when the voltage or frequency below is amber.
The voltage (item B) is displayed in green when inside the range 110V - 120V. It is displayed in amber when outside this range.
The frequency is displayed in green when inside the range 390Hz - 410Hz. It is displayed in amber when outside this range.
Case 3
When the conditions are such that neither the EXT PWR nor the STAT INV has to be displayed, the space concerned remains blank.
Case 1 EXT PWR (item A) is displayed when the external power is available, or the line contactor is on.
It is normally displayed in white. It is displayed in amber when the voltage or frequency below is amber.
The voltage (item B) is displayed in green when inside the range 110V - 120V. It is displayed in amber when outside this range. The display can vary from 0 to 999V.
The frequency is displayed in green when inside the range 390Hz - 410Hz. It is displayed in amber when outside this range. The display can vary from 0 to 999Hz.
Case 2
STAT INV (item A) is displayed when the static inverter is available, as correctly received from the FWC bus.
It is normally displayed in white. It is displayed in amber when the voltage or frequency below is amber.
The voltage (item B) is displayed in green when inside the range 110V - 120V. It is displayed in amber when outside this range.
The frequency is displayed in green when inside the range 390Hz - 410Hz. It is displayed in amber when outside this range.
Case 3
When the conditions are such that neither the EXT PWR nor the STAT INV has to be displayed, the space concerned remains blank.
Case 1
EXT PWR (item A) is displayed when the external power is available, or the line contactor is on.
It is normally displayed in white. It is displayed in amber when the voltage or frequency below is amber.
The voltage (item B) is displayed in green when inside the range 110V - 120V. It is displayed in amber when outside this range. The display can vary from 0 to 999V.
The frequency is displayed in green when inside the range 390Hz - 410Hz. It is displayed in amber when outside this range. The display can vary from 0 to 999Hz.
Case 2
STAT INV (item A) is displayed when the static inverter is available, as correctly received from the FWC bus.
It is normally displayed in white. It is displayed in amber when the voltage or frequency below is amber.
The voltage (item B) is displayed in green when inside the range 110V - 120V. It is displayed in amber when outside this range.
The frequency is displayed in green when inside the range 390Hz - 410Hz. It is displayed in amber when outside this range.
Case 3
When the conditions are such that neither the EXT PWR nor the STAT INV has to be displayed, the space concerned remains blank.
R. Item 18 - AC Essential busbar indication
Case 1
Case 1
The outlined AC ESS indication is displayed in green when the bus is on, as transmitted by the SDAC.
The AC ESS indication is displayed in green when the bus is on, as transmitted by the SDAC.
Case 2
It is displayed in amber when the bus is off.
Case 3
It is replaced by amber XX when the bus status is not available from the SDAC.
Case 3
It is not displayed (outline empty) when the bus status is not available from the SDAC.
When the bus is shed as transmitted by the SDAC, a SHED amber message is displayed under the bus symbol rectangle.
The space for SHED is blank if the bus is not shed, or when the information is not available from the SDAC.
Case 1
Case 1
The outlined AC ESS indication is displayed in green when the bus is on, as transmitted by the SDAC.
The AC ESS indication is displayed in green when the bus is on, as transmitted by the SDAC.
Case 2
It is displayed in amber when the bus is off.
Case 3
It is replaced by amber XX when the bus status is not available from the SDAC.
Case 3
It is not displayed (outline empty) when the bus status is not available from the SDAC.
When the bus is shed as transmitted by the SDAC, a SHED amber message is displayed under the bus symbol rectangle.
The space for SHED is blank if the bus is not shed, or when the information is not available from the SDAC.
S. Item 19 - APU Generator operation
Case 1
APU GEN is displayed in white with the space below empty, when the APU is in the standby mode: the APU/MASTER SW P/BSW is OFF (information from the SDAC) and the APU is not available (information from the ECB via the SDAC) or in an unknown status.
Case 2
APU GEN (item A) is displayed in white when the values below are all displayed in green. It is displayed in amber when at least one of the parameter below is amber.
The load (item B) is displayed in green. It is displayed in amber when there is an overload. The display can vary from 0 to 999%.
The voltage (item C) is displayed in green when inside the range 110V - 120V. It is displayed in amber when outside this range. The voltage can vary from 0 to 999V.
The frequency (item D) is displayed in green when inside the range 390Hz - 410Hz. It is displayed in amber when outside this range. The display can vary from 0 to 999Hz.
Case 3
APU GEN (item A) is displayed in amber when the APU P/B SW is OFF.
OFF (item E) is displayed underneath in white.
Case 1
APU GEN is displayed in white with the space below empty, when the APU is in the standby mode: the APU/MASTER SW P/BSW is OFF (information from the SDAC) and the APU is not available (information from the ECB via the SDAC) or in an unknown status.
Case 2
APU GEN (item A) is displayed in white when the values below are all displayed in green. It is displayed in amber when at least one of the parameter below is amber.
The load (item B) is displayed in green. It is displayed in amber when there is an overload. The display can vary from 0 to 999%.
The voltage (item C) is displayed in green when inside the range 110V - 120V. It is displayed in amber when outside this range. The voltage can vary from 0 to 999V.
The frequency (item D) is displayed in green when inside the range 390Hz - 410Hz. It is displayed in amber when outside this range. The display can vary from 0 to 999Hz.
Case 3
APU GEN (item A) is displayed in amber when the APU P/B SW is OFF.
OFF (item E) is displayed underneath in white.
Case 1
APU GEN is displayed in white with the space below empty, when the APU is in the standby mode: the APU/MASTER SW P/BSW is OFF (information from the SDAC) and the APU is not available (information from the ECB via the SDAC) or in an unknown status.
Case 2
APU GEN (item A) is displayed in white when the values below are all displayed in green. It is displayed in amber when at least one of the parameter below is amber.
The load (item B) is displayed in green. It is displayed in amber when there is an overload. The display can vary from 0 to 999%.
The voltage (item C) is displayed in green when inside the range 110V - 120V. It is displayed in amber when outside this range. The voltage can vary from 0 to 999V.
The frequency (item D) is displayed in green when inside the range 390Hz - 410Hz. It is displayed in amber when outside this range. The display can vary from 0 to 999Hz.
Case 3
APU GEN (item A) is displayed in amber when the APU P/B SW is OFF.
OFF (item E) is displayed underneath in white.
Case 1
APU GEN is displayed in white with the space below empty, when the APU is in the standby mode: the APU/MASTER SW P/BSW is OFF (information from the SDAC) and the APU is not available (information from the ECB via the SDAC) or in an unknown status.
Case 2
APU GEN (item A) is displayed in white when the values below are all displayed in green. It is displayed in amber when at least one of the parameter below is amber.
The load (item B) is displayed in green. It is displayed in amber when there is an overload. The display can vary from 0 to 999%.
The voltage (item C) is displayed in green when inside the range 110V - 120V. It is displayed in amber when outside this range. The voltage can vary from 0 to 999V.
The frequency (item D) is displayed in green when inside the range 390Hz - 410Hz. It is displayed in amber when outside this range. The display can vary from 0 to 999Hz.
Case 3
APU GEN (item A) is displayed in amber when the APU P/B SW is OFF.
OFF (item E) is displayed underneath in white.
T. Item 20 - IDG 2 outlet temperature
Refer to item 16 as the same principles apply.
Refer to item 16 as the same principles apply.
U. Item 21 - IDG 2 outlet temperature
Refer to item 16 as the same principles apply.
Refer to item 16 as the same principles apply.
V. Item 19 - Galley Shed message
This message is displayed in white when the information: main galley shed is valid as transmitted by the SDAC, it is not displayed when the information is not valid or when it is not correctly transmitted by the SDAC.
This message is displayed in white when the information: main galley shed is valid as transmitted by the SDAC, it is not displayed when the information is not valid or when it is not correctly transmitted by the SDAC.
W. Item 22 - IDG 1 operation (low pressure/disconnection)
Refer to item 15 as the same principles apply.
Refer to item 15 as the same principles apply.
X. Item 23 - Generator 1 operation
Refer to item 14 as the same principles apply.
Refer to item 14 as the same principles apply.
Y. Item 24 - AC Busbar 1 indication
Refer to item 13 as the same principles apply.
Refer to item 13 as the same principles apply.
Z. Item 25 - Essential TR supply indication
This link is displayed in green when the AD ESS BUS contactor (15XE1) is on, with the EMER GEN line contactor off (relays 12XE and 2XE are off).
This link is displayed in green when the AD ESS BUS contactor (15XE1) is on, with the EMER GEN line contactor off (relays 12XE and 2XE are off).
AA. Item 26 - Essential TR operation
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL
Item A
The title ESS TR is normally displayed in white, except when the voltage and current below are displayed in amber, then the title is also displayed in amber.
Item B
The voltage is normally displayed in green. It is displayed in amber when outside the range 25V - 31V. The voltage is replaced by amber XX, when not correctly transmitted by the SDAC. The display can vary from 0 to 99V.
Item C
The current is normally displayed in green. It is displayed in amber when below 5A. The current is replaced by amber XX, when not correctly transmitted by the SDAC. The display can vary from 0 to 999A.
When the ESS TR contactor is off (3PE not energized) and the EMER GEN line contactor also off (12XE and 2XE not energized) the space for the voltage and current remain blank and the title ESS TR is white.
ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL ELEC Page - Display of the Parameters: EMERGENCY GENERATOR, ESSENTIAL TR, AC GENERATORS ** ON A/C NOT FOR ALL The title ESS TR is normally displayed in white, except when the voltage and current below are displayed in amber, then the title is also displayed in amber.
Item B
The voltage is normally displayed in green. It is displayed in amber when outside the range 25V - 31V. The voltage is replaced by amber XX, when not correctly transmitted by the SDAC. The display can vary from 0 to 99V.
Item C
The current is normally displayed in green. It is displayed in amber when below 5A. The current is replaced by amber XX, when not correctly transmitted by the SDAC. The display can vary from 0 to 999A.
When the ESS TR contactor is off (3PE not energized) and the EMER GEN line contactor also off (12XE and 2XE not energized) the space for the voltage and current remain blank and the title ESS TR is white.
2. ELEC Page links
A. DC Links
Item (1)
ELEC Page - Display of the Electrical links 1 to 29 ** ON A/C NOT FOR ALL
ELEC Page - Display of the Electrical links 1 to 29 ** ON A/C NOT FOR ALL
TR1 to DC1 busbar connection
This link is displayed in green when thr TR1 contactor is ON (5PU1 energized).
It is not displayed when the contactor is OFF, or when the information is not correctly transmitted by the SDAC.
Item (2)
DC1 to DC ESS busbar connection
This link is displayed in green when the DC NORM BUS1 SW contactor is ON (1PC1 energized).
It is not displayed when the contactor is OFF, or when the information is not correctly transmitted by the SDAC.
Item (3)
Battery 1 charge/discharge operation
ELEC Page - Display of the Parameters: BATTERY CONTACTORS ** ON A/C NOT FOR ALL
ELEC Page - Display of the Parameters: BATTERY CONTACTORs ** ON A/C NOT FOR ALL
Case 1
This link is displayed in green and represents a charging arrow toward the battery, when the BAT1 contactor is ON (6PB1 energized), the battery charging current is over 1A and the current value is correctly transmitted by the SDAC.
Case 2
The link is displayed in amber and represents a discharging arrow away from the battery, when the BAT1 contactor is ON, the discharging current is over 1A and the current value is correctly transmitted by the SDAC.
Case 3
The link is displayed in green and bears no arrow when the BAT1 contactor is ON, the current is in the range -1A / +1A, or the current value is not available from the SDAC.
Case 4
The link is not displayed when the BAT1 contactor is OFF (6PB1 not energized) or when the contactor status is not correctly transmitted by the SDAC.
Item (4)
Battery 2 charge/discharge operation
ELEC Page - Display of the Parameters: BATTERY CONTACTORS ** ON A/C NOT FOR ALL
ELEC Page - Display of the Parameters: BATTERY CONTACTORs ** ON A/C NOT FOR ALL
Case 1
This link is displayed in green and represents a charging arrow toward the battery, when the BAT1 contactor is ON (6PB2 energized), the battery charging current is over 1A and the current value is correctly transmitted by the SDAC.
Case 2
The link is displayed in amber and represents a discharging arrow away from the battery, when the BAT1 contactor is ON, the discharging current is over 1A and the current value is correctly transmitted by the SDAC.
Case 3
The link is displayed in green and bears no arrow when the BAT1 contactor is ON, the current is in the range -1A / +1A, or the current value is not available from the SDAC.
Case 4
The link is not displayed when the BAT1 contactor is OFF (6PB2 not energized) or when the contactor status is not correctly transmitted by the SDAC.
Item (5)
DC2 busbar to Battery busbar
This link is displayed in green when the DC2/DC1 contactor is ON (1PC2 energized). It is not displayed when the contactor is OFF or when the information is not availablefrom the SDAC.
Item (6)
TR2 to DC2 busbar connection
This link is displayed in green when the TR2 contactor is ON (5PU2 energized).
It is not displayed when the contactor is OFF or when the information is not available from the SDAC.
Item (7)
DC BAT to DC ESS busbar connection (upper part)
This link is displayed in green when the DC NORM BUS1 SW contactor is ON (1PC1 energized).
It is not displayed when the contactor is OFF, or when the information is not correctly transmitted by the SDAC.
Item (8 and 9)
This link composed of a triangle and a small link on top, is displayed in green(triangle plus link) when the ESS TR contactor is ON (contactor 3PE energized).
The triangle is displayed in white with the upper link missing when the contactor is OFF or when the information is not available from the SDAC.
Item (10)
DC ESS to DC BAT connection
This link is displayed in green when the DC ESS/DC BAT contactor is ON (contactor 4PC energized).
It is not displayed when the contactor is OFF or when the information is not available from the SDAC.
Item (1)
ELEC Page - Display of the Electrical links 1 to 29 ** ON A/C NOT FOR ALL ELEC Page - Display of the Electrical links 1 to 29 ** ON A/C NOT FOR ALL This link is displayed in green when thr TR1 contactor is ON (5PU1 energized).
It is not displayed when the contactor is OFF, or when the information is not correctly transmitted by the SDAC.
Item (2)
DC1 to DC ESS busbar connection
This link is displayed in green when the DC NORM BUS1 SW contactor is ON (1PC1 energized).
It is not displayed when the contactor is OFF, or when the information is not correctly transmitted by the SDAC.
Item (3)
Battery 1 charge/discharge operation
ELEC Page - Display of the Parameters: BATTERY CONTACTORS ** ON A/C NOT FOR ALL ELEC Page - Display of the Parameters: BATTERY CONTACTORs ** ON A/C NOT FOR ALL This link is displayed in green and represents a charging arrow toward the battery, when the BAT1 contactor is ON (6PB1 energized), the battery charging current is over 1A and the current value is correctly transmitted by the SDAC.
Case 2
The link is displayed in amber and represents a discharging arrow away from the battery, when the BAT1 contactor is ON, the discharging current is over 1A and the current value is correctly transmitted by the SDAC.
Case 3
The link is displayed in green and bears no arrow when the BAT1 contactor is ON, the current is in the range -1A / +1A, or the current value is not available from the SDAC.
Case 4
The link is not displayed when the BAT1 contactor is OFF (6PB1 not energized) or when the contactor status is not correctly transmitted by the SDAC.
Item (4)
Battery 2 charge/discharge operation
ELEC Page - Display of the Parameters: BATTERY CONTACTORS ** ON A/C NOT FOR ALL ELEC Page - Display of the Parameters: BATTERY CONTACTORs ** ON A/C NOT FOR ALL This link is displayed in green and represents a charging arrow toward the battery, when the BAT1 contactor is ON (6PB2 energized), the battery charging current is over 1A and the current value is correctly transmitted by the SDAC.
Case 2
The link is displayed in amber and represents a discharging arrow away from the battery, when the BAT1 contactor is ON, the discharging current is over 1A and the current value is correctly transmitted by the SDAC.
Case 3
The link is displayed in green and bears no arrow when the BAT1 contactor is ON, the current is in the range -1A / +1A, or the current value is not available from the SDAC.
Case 4
The link is not displayed when the BAT1 contactor is OFF (6PB2 not energized) or when the contactor status is not correctly transmitted by the SDAC.
Item (5)
DC2 busbar to Battery busbar
This link is displayed in green when the DC2/DC1 contactor is ON (1PC2 energized). It is not displayed when the contactor is OFF or when the information is not availablefrom the SDAC.
Item (6)
TR2 to DC2 busbar connection
This link is displayed in green when the TR2 contactor is ON (5PU2 energized).
It is not displayed when the contactor is OFF or when the information is not available from the SDAC.
Item (7)
DC BAT to DC ESS busbar connection (upper part)
This link is displayed in green when the DC NORM BUS1 SW contactor is ON (1PC1 energized).
It is not displayed when the contactor is OFF, or when the information is not correctly transmitted by the SDAC.
Item (8 and 9)
This link composed of a triangle and a small link on top, is displayed in green(triangle plus link) when the ESS TR contactor is ON (contactor 3PE energized).
The triangle is displayed in white with the upper link missing when the contactor is OFF or when the information is not available from the SDAC.
Item (10)
DC ESS to DC BAT connection
This link is displayed in green when the DC ESS/DC BAT contactor is ON (contactor 4PC energized).
It is not displayed when the contactor is OFF or when the information is not available from the SDAC.
B. AC Links
Item (11)
TR2 supply from AC2 busbar
This link is displayed in green when the AC2 busbar is ON (contactor 16XC energized).
It is displayed in amber when the AC2 busbar is OFF. It is not displayed when the information is not available from the SDAC.
Item (12)
GEN2 to AC2 busbar connection
This link is displayed in green when the GEN2 line contactor is ON or the transfer contactor 2 is closed (9XU2 energized).
It is not displayed when the contactor is OFF or when the information is not available from the SDAC.
Item (12)
GEN2 to AC2 busbar connection
This link is displayed in green when the GEN2 line contactor is ON (9XU2 energized).
It is not displayed when the contactor is OFF or when the information is not available from the SDAC.
Item (13)
Line connection to AC2 busbar
This link is displayed in green when the GEN2 line contactor is closed.
It is not displayed when at least one of this contactor is open or when the information is not available from the SDAC.
Item (13)
Line connection to AC2 busbar
This link is displayed in green when the transfer contactor 2 is ON (11XU2 energized), with the GEN2 line contactor is OFF (9XU2 not energized).
It is not displayed when at least one of these contactors is in a different status, or when the information is not available from the SDAC.
Item (14)
(not applicable)
Item (14)
Line connection to GEN2
This link is displayed in green when the transfer contactor 2 is ON (11XU2 energized), with the GEN2 line contactor is ON (9XU2 energized).
It is not displayed when at least one of these contactors is OFF, or when the information is not available from the SDAC.
Item (15)
Line connection from EXT PWR to AC2 busbar
This link is displayed in green when the transfer contactor 2 is ON (11XU2 energized).
It is not displayed when the contactor is OFF or when the information is not available from the SDAC.
Item (16)
Line connection to EXT PWR
This link is displayed in green when the EXT PWR line contactor is ON (3XG energized).
It is not displayed when the contactor is OFF or when the information is not available from the SDAC.
Item (17)
Line connection from APU GEN to EXT PWR
This link is displayed in green when either of these 3 conditions are valid:
This link is not displayed when neither of these 3 conditions is valid, or these contactors status is not available from the SDAC.
Item (18)
Line connection to APU GEN
This link is displayed in green when the APU GEN line contactor is ON (3XS energized).
It is not displayed when the contactor is OFF or when the information is not available from the SDAC.
Item (19)
Line connection between AC1 busbar and APU GEN
This link is displayed in green when the transfer contactor 1 is ON (11XU1 energized).
It is not diplayed when the contactor is OFF or when the information is not available from the SDAC.
Item (20)
Line connection to GEN1
This link is displayed in green when the GEN1 line contactor is ON (9XU1 energized).
It is not diplayed when at least one of these contactor is OFF or when the information is not available from the SDAC.
Item (20)
Line connection to GEN1
This link is displayed in green when the transfer contactor 1 is ON (11XU1 energized) with the GEN1 line contactor is ON (9XU1 energized).
It is not diplayed when at least one of these contactor is OFF or when the information is not available from the SDAC.
Item (21)
(not applicable)
Item (21)
Line connection to AC1 busbar
This link is displayed in green when the transfer contactor 1 is ON (11XU1 energized) with the GEN1 line contactor is OFF (9XU1 not energized).
It is not diplayed when these contactors are in a different status or when the information is not available from the SDAC.
Item (22)
GEN1 to AC1 busbar connection
This link is displayed in green when the GEN1 line contactor is ON (9XU1 energized).
It is not diplayed when the contactor is OFF or when the information is not available from the SDAC.
Item (23)
TR1 supply from AC1 busbar
This link is displayed in green when the AC1 busbar is ON (15XC energized).
It is displayed in amber when the busbar is OFF. It is not displayed when the information is not available from the SDAC.
Item (24)
Connection between busbar AC1 and AC ESS
This link is displayed in green when the AC1/AC ESS contactor is ON (3XC1 and 13XC energized).
It is not diplayed when these contactors are OFF or when the information is not available from the SDAC.
Item (25)
ESS TR Supply from AC ESS busbar
This link is displayed in green when the AC/ESS TR contactor is ON (13XE1 energized) with the EMER GEN line contactor is OFF (12XE not energized).
It is not displayed when these contactors are in another status or not available from the SDAC.
Item (26)
ESS TR Supply from the EMER GEN
This link is displayed in green when the EMER GEN line contactor is ON (12XE energized).
It is not displayed when the contactors are in another status or if not available from the SDAC.
Item (27)
AC ESS Supply by the EMER GEN
The triangle and lower link are displayed in green when the AC/ESS contactor is ON (13XE1 energized) with the EMER GEN line contactor is ON (12XE energized).
The link is missing when these contactors are in a different status or the information is not available from the SDAC.
Item (27) and (28)
AC ESS Supply by the EMER GEN
The triangle and lower link are displayed in green when the AD/ESS contactor is ON (13XE1 energized) with the EMER GEN line contactor is ON (12XE energized).
The triangle is displayed in white with the lower link missing when these contactors are in a different staus or the information is not available from the SDAC.
Item (28)
Not applicable
Item (29)
Connection between busbar AC2 and AC ESS
This link is displayed in green when the AC2/AC ESS contactor is ON (3XC2 and 14XC energized).
It is not displayed when these contactors are OFF or when the information is not available from the SDAC.
Item (11)
TR2 supply from AC2 busbar
This link is displayed in green when the AC2 busbar is ON (contactor 16XC energized).
It is displayed in amber when the AC2 busbar is OFF. It is not displayed when the information is not available from the SDAC.
Item (12)
GEN2 to AC2 busbar connection
This link is displayed in green when the GEN2 line contactor is ON or the transfer contactor 2 is closed (9XU2 energized).
It is not displayed when the contactor is OFF or when the information is not available from the SDAC.
Item (12)
GEN2 to AC2 busbar connection
This link is displayed in green when the GEN2 line contactor is ON (9XU2 energized).
It is not displayed when the contactor is OFF or when the information is not available from the SDAC.
Item (13)
Line connection to AC2 busbar
This link is displayed in green when the GEN2 line contactor is closed.
It is not displayed when at least one of this contactor is open or when the information is not available from the SDAC.
Item (13)
Line connection to AC2 busbar
This link is displayed in green when the transfer contactor 2 is ON (11XU2 energized), with the GEN2 line contactor is OFF (9XU2 not energized).
It is not displayed when at least one of these contactors is in a different status, or when the information is not available from the SDAC.
Item (14)
(not applicable)
Item (14)
Line connection to GEN2
This link is displayed in green when the transfer contactor 2 is ON (11XU2 energized), with the GEN2 line contactor is ON (9XU2 energized).
It is not displayed when at least one of these contactors is OFF, or when the information is not available from the SDAC.
Item (15)
Line connection from EXT PWR to AC2 busbar
This link is displayed in green when the transfer contactor 2 is ON (11XU2 energized).
It is not displayed when the contactor is OFF or when the information is not available from the SDAC.
Item (16)
Line connection to EXT PWR
This link is displayed in green when the EXT PWR line contactor is ON (3XG energized).
It is not displayed when the contactor is OFF or when the information is not available from the SDAC.
Item (17)
Line connection from APU GEN to EXT PWR
This link is displayed in green when either of these 3 conditions are valid:
- the EXT PWR line contactor is ON (3XG energized), with the transfer contactor 1 is ON (11XU1 energized).
- the APU GEN line contactor is ON (3XS energized), with the transfer contactor 2 is ON (11XU2 energized).
- the transfer contactor 1 is ON (11XU1 energized), with the transfer contactor 2 is ON (11XU2 energized).
This link is not displayed when neither of these 3 conditions is valid, or these contactors status is not available from the SDAC.
Item (18)
Line connection to APU GEN
This link is displayed in green when the APU GEN line contactor is ON (3XS energized).
It is not displayed when the contactor is OFF or when the information is not available from the SDAC.
Item (19)
Line connection between AC1 busbar and APU GEN
This link is displayed in green when the transfer contactor 1 is ON (11XU1 energized).
It is not diplayed when the contactor is OFF or when the information is not available from the SDAC.
Item (20)
Line connection to GEN1
This link is displayed in green when the GEN1 line contactor is ON (9XU1 energized).
It is not diplayed when at least one of these contactor is OFF or when the information is not available from the SDAC.
Item (20)
Line connection to GEN1
This link is displayed in green when the transfer contactor 1 is ON (11XU1 energized) with the GEN1 line contactor is ON (9XU1 energized).
It is not diplayed when at least one of these contactor is OFF or when the information is not available from the SDAC.
Item (21)
(not applicable)
Item (21)
Line connection to AC1 busbar
This link is displayed in green when the transfer contactor 1 is ON (11XU1 energized) with the GEN1 line contactor is OFF (9XU1 not energized).
It is not diplayed when these contactors are in a different status or when the information is not available from the SDAC.
Item (22)
GEN1 to AC1 busbar connection
This link is displayed in green when the GEN1 line contactor is ON (9XU1 energized).
It is not diplayed when the contactor is OFF or when the information is not available from the SDAC.
Item (23)
TR1 supply from AC1 busbar
This link is displayed in green when the AC1 busbar is ON (15XC energized).
It is displayed in amber when the busbar is OFF. It is not displayed when the information is not available from the SDAC.
Item (24)
Connection between busbar AC1 and AC ESS
This link is displayed in green when the AC1/AC ESS contactor is ON (3XC1 and 13XC energized).
It is not diplayed when these contactors are OFF or when the information is not available from the SDAC.
Item (25)
ESS TR Supply from AC ESS busbar
This link is displayed in green when the AC/ESS TR contactor is ON (13XE1 energized) with the EMER GEN line contactor is OFF (12XE not energized).
It is not displayed when these contactors are in another status or not available from the SDAC.
Item (26)
ESS TR Supply from the EMER GEN
This link is displayed in green when the EMER GEN line contactor is ON (12XE energized).
It is not displayed when the contactors are in another status or if not available from the SDAC.
Item (27)
AC ESS Supply by the EMER GEN
The triangle and lower link are displayed in green when the AC/ESS contactor is ON (13XE1 energized) with the EMER GEN line contactor is ON (12XE energized).
The link is missing when these contactors are in a different status or the information is not available from the SDAC.
Item (27) and (28)
AC ESS Supply by the EMER GEN
The triangle and lower link are displayed in green when the AD/ESS contactor is ON (13XE1 energized) with the EMER GEN line contactor is ON (12XE energized).
The triangle is displayed in white with the lower link missing when these contactors are in a different staus or the information is not available from the SDAC.
Item (28)
Not applicable
Item (29)
Connection between busbar AC2 and AC ESS
This link is displayed in green when the AC2/AC ESS contactor is ON (3XC2 and 14XC energized).
It is not displayed when these contactors are OFF or when the information is not available from the SDAC.