Liebert 485 User Manual

Liebert OpenComms™ 485

Quick Start Guide

I

NSTALL

• Locate the Intellislot option for your Liebert equipment.

• You might need to remove a plastic Intellislot cover.

• Insert the OpenComms 485 Card into the Intellislot bay.

• Secure the card with the supplied screws.

• Connect RS-485 cable.

IGM: The card ships with IGM service enabled. (No configuration
is required for IGM communications.)

Modbus: To assign a server ID address, use the Service Terminal
to configure the card. Proceed to Steps 2 & 3.

CONNECT THE CABLE

• Locate the blue serial configuration cable (null modem) that shipped
with the card.

• Connect the configuration cable to the DB-9 port on the card and to a
COM port on your PC.

CONFIGURE THE CARD

• Use terminal emulation software,
such as HyperTerminal™, to
open a direct connection to the
card.

Baud Rate: 9600
Data Bits: 8
Parity: None
Stop Bits: 1
Flow Control: None

•Press ENTER for the Main
Menu, above right.

• Select option 1 and press enter
to access the communications
settings, shown at right.

• Enter 1 and press enter to
enable the Modbus application.

• At the next screen, enter 3 to
access the screen to set the
server ID for the OC-485 card
(the ID default is 1, but may be
any number up to 255). In the
example below right, the server
ID is “2.”

•Press Esc to return to the Main
Menu.

• Enter X and press Enter to exit
HyperTerminal, save your
changes and reboot the card.

User Manual

This Quick Start Guide is designed to give you all the information
you need to install and configure the OpenComms 485 Card. A full
user manual is available online at www.liebert.com and covers
configuration and integration topics in further detail.

SiteScan Support

The OpenComms 485 card
works with the SiteScan Web
software to provide monitoring
of status, events and trend data
of the supported device.

The card may be connected
directly to a SiteLink module
via the RS-422 port. Product
details are available online at

www.liebert.com.

The Company
Behind the Products

With over a million installations around
the globe, Liebert is the world leader in
computer protection systems. Since its
founding in 1965, Liebert has developed
a complete range of support and
protection systems for sensitive
electronics.

While every precaution has been taken to
ensure the accuracy and completeness of
this literature, Liebert Corporation
assumes no responsibility and disclaims
all liability for damages resulting from use
of this information or for any errors or
omissions.

© 2006 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-28165 (6/06) Rev. 2

Modbus ™ Support

Building Management Systems
maintain a vital role on overall
operations on facilities and
buildings. Most BMS have the
ability to communicate with
Modbus devices.

The OpenComms 485 card
enables direct Modbus
management of the Liebert
device in which it is installed.
Product details are available
online at www.liebert.com.

Technical Support/Service

Web Site

www.liebert.com

Monitoring

800-222-5877

[e-mail]

Outside the US: 614-841-6755

Locations

United States

1050 Dearborn Drive

P.O. Box 29186

Columbus, OH 43229

Europe

Via Leonardo Da Vinci 8

Zona Industriale Tognana

35028 Piove Di Sacco (PD) Italy

[phone]

Fax: [phone]

Asia

7/F, Dah Sing Financial Centre

108 Gloucester Road, Wanchai

Hong Kong

852 25722201

Fax: [phone]