American Power Conversion 10-30 KVA - Manual (Page 40)

Electrical Installation – Communication Wiring to EPO and Optional Equipment
34 Smart-UPS® VT 10-30 kVA, 208/220 V Site Preparation and Installation Manual 990-1598B
Pin connections J106 (XR Enclosure) and J108 (EPO)
Pin connections J106 (UPS) to J200 (XR Enclosure - option)
Pins 1 through 4 are for battery measurement (only applicable to APC XR Enclosures).
Pins 5 & 6 are for external maintenance bypass Q3. When Q3 is closed, signals are fed back to the
UPS controller.
Pins 7 & 8 are for external charge control. When 7 & 8 are closed, the UPS charges batteries with a
pre-defined percentage (0-100%) of the maximum charging power. To be used in generator
applications, or if special codes requires control of charging.
L
1
L
1
L
2
L
2
L
3
N
L
3
N
J106 Pin Connections:
8 Ext. charging control return
7 External control of charging
6 Q3 active return
5 Q3 active
4 Battery measurement supply*
3 Battery unit quantity*
2 Max. battery temperature*
1 Battery measurement return*
* Should be used with APC XR
Enclosures only
J108 Pin Connections:
1 Normally open EPO
2 Normally open EPO return
3 Normally closed EPO
4 Normally closed EPO return
5 +24V SELV supply
6 SELV ground