Liebert 485 quick start Liebert OpenComms, Quick Start Guide, Install, Connect the Cable

Liebert OpenComms™ 485

Quick Start Guide

INSTALL

•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.