Liebert UPS System user manual Blv-C

Chapter 3 Electrical Assembly

Table 3-4 Definitions of input/output contacts

Connector	Name of contacts					Board name	input/output
	Normally	closed	contacts		for	BLV-C	output
	battery low alarm
	Central contacts for battery low					BLV-S	output
	alarm
	Normally	open	contacts		for	BLV-O	output
	battery low alarm
	Normally	closed	contacts		for	BAT-C	output
	battery mode
	Central	contacts	for	battery		BAT-S	output
	mode
J9	Normally	open	contacts		for	BAT-O	output
	battery mode
J10
	Normally	closed	contacts		for	INV-C	output
J11
	inverter mode
	Central	contacts	for	inverter		INV-S	output
	mode
	Normally	open	contacts		for	INV-O	output
	inverter mode
	Normally	closed	contacts		for	TMP-C	output
	ambient over-temperature
	Central	contacts	for	ambient		TMP-S	output
	over-temperature
	Normally	open	contacts		for	TMP-O	output
	ambient over-temperature
	Normally	closed	contacts		for	URG-C	output
	emergency shutdown
	Central contacts for emergency					URG-S	output
	shutdown
	Normally	open	contacts		for	URG-O	output
	emergency shutdown
J12
	Normally	closed	contacts		for	WRN-C	output
J13
	common alarm
J14
	Central	contacts	for	common		WRN-S	output
	alarm
	Normally	open	contacts		for	WRN-O	output
	common alarm
	Normally	closed	contacts		for	OVR-C	output
	overload

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