Emerson WEB/485 dimensions Customer Wiring, Wiring Specifications, Liebert Corporation

Customer Wiring

Input power (input to TB3)

Pin 1(+)

Pin 2(-) Pin 3 (NC)

Modbus output for BMS (output from TB2)

TB1: Pin 1 (+), Pin 2 (-)

TB2: Pin 1 (+), Pin 2 (-)

Network port

for NMS and

Web access

DTE serial port for configuration (requires null-modem connection)

IGMnet or Liebert SiteScan® Comms from unit (input to TB1 or P1)

Refer to user manual for details

Specifications

Power	AC Inputs	18 - 24 VAC; 50/60 Hz
	DC Inputs	12 - 36VDC
Requirements
	Power Consumption	6VA maximum
Dimensions - W x D x H: in. (mm)		7 x 4 x 1.5 (178 x 102 x 38)
Weight	Net - oz. (kg)	7 (0.2)
	Shipping - lb. (kg)	1.3 (0.6)
Ambient Operating Environment, °F (°C)		32 to 104 (0 to 40); 10% to 90% RH (non-condensing)
Ambient Storage Temperature, °F (°C)		-4 to 140 (-20 to 60)
Protection		SELV Isolated User Connections, Watchdog Timer Circuitry
	Service Terminal (RS-232)	DB9F, DTE
Communication	Unit Input	TB1, 2-Position Terminal Block
	Communications	P1, 20-PIN Vertical Header with Ejection Latches (for some UPS models)
Ports
	Modbus (RS-485)	TB2, 2-Position Terminal Block
	Ethernet Communications	RJ45

Wiring Specifications

Connection	Supported Wire Types	Maximum Wire Length
TB1 (RS-422)	18-22 AWG Stranded & Shielded; 18 AWG* recommended	1000 ft. (300m)
	Non Plenum - Belden 9461; Plenum - Belden 88761
TB2 (RS-485)	18-22 AWG Stranded & Shielded; 18 AWG* recommended	3000 ft. (915m)
	Non Plenum - Belden 9461; Plenum - Belden 88761
TB3 (Power Input)	18-22 AWG Stranded & Shielded; 18 AWG* recommended	20 ft. (6m)
	Non Plenum - Belden 8770; Plenum - Belden 88770
DB9F Connector	DTE Null Modem Cable	50 ft. (15m)
RJ45 Connector	Standard Category 5 Cable	328 ft. (100m)

Liebert Corporation

1050 Dearborn Drive	Telephone: 1-800-877-9222
P.O. Box 29186	Facsimile: 1-614-841-6022
Columbus, OH 43229	www.liebert.com

© 2007 Liebert Corporation

All rights reserved throughout the world. Specifications subject to change without notice.

®Liebert and the Liebert logo are registered trademarks of Liebert Corporation. All names referred to are trademarks or registered trademarks of their respective owners.

SL-29105_REV02_10-07

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