Emerson Liebert eXM - Output Dry Contacts; Figure 16 Output Dry Contacts and EPO Wiring; Table 6 Output Dry Contact Relays

Electrical Connections—UPS
Liebert
®
eXM
™
30
3.4.2 Output Dry Contacts
The Auxiliary Terminal Block has three output dry contact relays (see Figure 16 and Table 6).
Figure 16 Output dry contacts and EPO wiring
Table 6 Output dry contact relays
Port Pin
Name Description
J24
1 MFP_O Rectifier back-feed normally open contact. Open when there is no back-feed.
3 MFP_S Rectifier back-feed common contact.
5 MFP_C Rectifier back-feed normally closed contact. Closed when there is no back-feed.
J23
2 INV_O Inverter state normally open contact. Open when the inverter is abnormal.
4 INV_S Inverter state common contact.
6 INV_C Inverter state normally open contact. Closed when the inverter is normal.
J23
1 BFP_O Bypass back-feed normally open contact. Open when there is no back-feed.
3 BFP_S Bypass back-feed common contact.
5 BFP_C Bypass back-feed normally closed contact. Closed when there is no back-feed.
J24
2 MAIN_O Rectifier input state normally open contact. Open when the rectifier is abnormal.
4 MAIN_S Rectifier input state common contact.
6 MAIN_C Rectifier input state normally closed contact. Closed when the rectifier is normal.
NOTE
All auxiliary cables of terminal must be double-insulated. Wire should be 20-16AWG stranded
for maximum runs between 80 and 200 feet (25-60m), respectively.
BFP_O
J23
J25
J24
BFP_S
BFP_C
INV_O
INV_S
INV_C
MAIN_O
MAIN_S
MAIN_C
MFP_O
MFP_S
MFP_C
RESV_O
RESV_S
RESV_C
RESV_O
RESV_S
RESV_C
1
3
5
1
3
5
1
3
5
24
6
24
6
24
6