Liebert 485 产品宣传页
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.
• 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
Modbus: To assign a server ID address, use the Service Terminal
to configure the card. Proceed to Steps 2 & 3.
C
ONNECT
THE
C
ABLE
• 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.
C
ONFIGURE
THE
C
ARD
• Use terminal emulation software,
such as HyperTerminal™, to
open a direct connection to the
card.
• 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.
Baud Rate:
9600
Data Bits:
8
Parity:
None
Stop Bits:
1
Flow Control: None