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Vertiv Liebert APM 400 - Page 33

Vertiv Liebert APM 400
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User Manual 10H52258UM60 - Rev. 3 - 01/2019
30
APM 400/600 Electrical Installation & Connections
Figure 4-7 Dry Contact Port J22
See Table 4.5. for a pin-out description of Port J22
Table 4.5
Pin Name Description
1 12V_DRV BCB driver signal
2 NC Reserved
3 BCB STATUS BCB state signal
4 NC Reserved
5 GND_DRY Dry ground
6 NC Reserved
7 BCB_ONLine BCB on line signal
8 NC Reserved
9 NC Reserved
10 NC Reserved
11 GND_DRY Dry ground
12 NC Reserved
13 TMP_BAT External battery temperature
14 NC Reserved
15 12V_DRY Power
16 NC Reserved
17 GND_DRY Dry ground
18 NC Reserved
19 BAT_Ground_FAULT Battery ground fault
20 NC Reserved
Note
The BCB drive signal and external battery temperature signal
cables must be shie
lded
. Both
ends
of the
shielding sheath must be connected securely to the casing.

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