User Manual 10H52258UM60 - Rev. 3 - 01/2019
32
APM 400/600
Electrical Installation & Connections
Figure 4-9 Dry Contact Ports J23, J24 & J25
See Table 4.7 for a pin-out description of dry contact ports J23, J24, and J25.
Table 4.7
Port
Pin
Name
Description
J23
1
BFP_O
Bypass back-feed normally open contact. Open when there is no back-feed
2
INV_O
Inverter state normally open contact. Closed when the inverter is on
3
BFP_S
Bypass back-feed common contact
4
INV_S
Inverter state common contact
5
BFP_C
Bypass back-feed normally closed contact. Closed when there is no back-feed
6
INV_C
Inverter state normally closed contact. Open when the inverter is on
J24
1
MFP_O
Rectifier back-feed normally open contact. Open when there is no back-feed
2
MAIN_O
Rectifier input state normally open contact. Closed when the rectifier is on
3
MFP_S
Rectifier back-feed common contact
4
MAIN_S
Rectifier input state common contact
5
MFP_C
Rectifier back-feed normally closed contact. Closed when there is no back-feed
6
MAIN_C
Rectifier input state normally closed contact. Open when the rectifier is off
J25
1
RESV_O
Reserved
2
RESV_O
Reserved
3
RESV_S
Reserved
4
RESV_S
Reserved
5
RESV_C
Reserved
6
RESV_C
Reserved
4.2.6
Remote EPO (REPO) Port
The UPS has an EPO function that is operated by an EPO button on the UPS Operator Control and Display panel,
or via a remote contact supplied and installed by the user. The EPO has a protective cover to prevent it from
getting damaged.
Figure 4-10 illustrates the REPO Port (in the diagram, J2 corresponds to the REPO port).
Figure 4-10 Repo Port
See Table 4.8. for a pin-out description of the REPO port
Table 4.8
Pin
Name
Description
1
EPO-NC
EPO activated when open circuit between this pin and Pin
2
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