Powerware 650825 kVA operation manual TB1, TB2, and TB3 Interface Connections

UPS SYSTEM INSTALLATION

Table 4-1. TB1, TB2, and TB3 Interface Connections

Terminal TB1	Name	Description
1	REPO NC
		Input: Normally-closed dry contact used to activate UPS EPO from a remote switch.
2	REPO Return
3	REPO NO
		Input: Normally-open dry contact used to activate UPS EPO from a remote switch.
4	REPO Return
5	Battery Aux	Input: Normally-open contact used to indicate when UPS battery breaker is open or
6	Battery Aux Common	closed.
7	48 Vdc Battery Shunt Trip +
		Output: Contacts used to open battery breaker or disconnect.

848 Vdc Battery Shunt Trip –

9Output Contactor K3 NC Aux

10	Output Contactor K3 NC Aux	Output: Normally-closed contact opens when output contactor closes.
	Common
Terminal TB2	Name	Description
1	Pull Chain
		Output: Backup control for parallel operation.
2	Pull Chain Common
3	Alarm Relay NC
		Output: General purpose normally−closed (NC) relay contact.
4	Alarm Relay Common
5	Alarm Relay NO
		Output: General purpose normally−open (NO) relay contact.
6	Alarm Relay Common
7	Not Used
8	Not Used
9	Not Used
10	Not Used
Terminal TB3	Name	Description
1	Building Alarm 1
		Input: Programmable UPS alarm, activated by a remote dry contact closure.
2	Building Alarm 1 Return
3	Building Alarm 2
		Input: Programmable UPS alarm, activated by a remote dry contact closure.
4	Building Alarm 2 Return
5	Building Alarm 3
	Default: Charger Off	Input: Programmable UPS alarm, activated by a remote dry contact closure. Default
		function set for charger off.
6	Building Alarm 3 Return
7	Building Alarm 4
	Default: On Generator	Input: Programmable UPS alarm, activated by a remote dry contact closure. Default
		function set for on generator.
8	Building Alarm 4 Return
9	Building Alarm 5
	Default: Maintenance Bypass	Input: Programmable UPS alarm, activated by a remote dry contact closure. Default
		function set for maintenance bypass.
10	Building Alarm 5 Return
NOTE		ontact.

EATON Powerware® 9395 UPS (650–825 kVA) Installation and Operation Manual S 164201725 Rev 2 www.powerware.com 4−33