Vertiv Liebert APM Plus - Page 53

Pin N am e M eanings P in Nam e M ean ing s
17 GND_DRY
External maintenance
isolation switch status (24
V/10 mA rated); Pin17 /Pin19
open for QOP closed.
Configurable input dry
contact 2:
0) Undefined
1) Battery fault
2) External maintenance
isolation switch closed
(default)
3) ECO mode disabled
4) Charger to be shut down
5) BCB tripping
6) Transfer to inverter
disabled
7) Battery maintenance self-
check starts
8) Battery maintenance self-
check ends
9) Alarm cleared
10) Battery alarm
11) Battery low-voltage alarm
18
Configurable input
dry contact 3 J7-
18/20
Charger shutdown (24 V/10 mA rated).
Pin18/Pin20 shorted for charger off
command.
0) Undefined
1) Battery fault
2) External maintenance isolation switch
closed (default)
3) ECO mode disabled
4) Charger to be shut down
5) BCB tripping
6) Transfer to inverter disabled
7) Battery maintenance self-check starts
8) Battery maintenance self-check ends
9) Alarm cleared
10) Battery alarm
11) Battery low-voltage alarm
19
Configurable input dry
contact 2 J7-17/19
20 GND_DRY
21 TMP_ENV_dry
Ambient temperature
detection
22
Configurable input
dry contact 3 J7-
22/24
Battery fault status (24 V/10 mA rated);
Pin 22/Pin 24 shorted for executing the
command.
0) Undefined
1) Battery fault
2) External maintenance isolation switch
closed (default)
3) ECO mode disabled
4) Charger to be shut down
5) BCB tripping
6) Transfer to inverter disabled
7) Battery maintenance self-check starts
8) Battery maintenance self-check ends
9) Alarm cleared
10) Battery alarm
11) Battery low-voltage alarm
J7-22/24 shorted for executing the above
status.
23 GND_DRY 24 GND_DRY
Table 4.6 D escrip tion of dry contact port J7 (continued)
4 Electrical Installation
40
Vertiv™ Liebert® APM Plus User Manual