Configure Modbus Rtu; Figure 3-3: Modbus-Rs-485 - Emerson Liebert Intellislot Unity Card User Manual

Enable Communication Protocols
3.1.1.2

Configure Modbus RTU

1. Select the Communications tab > Protocols > Modbus RTU.
2. Click Edit and enter a user name and password if required.
3. Set the Node ID and the Baud Rate.
• The Node ID defaults to 1, but must have a value from 1 to 255 that is unique among devices
connected through the RS-485 interface.
• The default baud rate is 9600; 19200 and 38400 are also available.
For additional description of the settings, see 5.5.2.2 - Modbus RTU Folder.
NOTE
Contact your system administrator if you are uncertain about the settings.
4. Click Save to confirm the changes or Cancel to discard them.
5. Restart the card to confirm the changes.
a. Select Communications tab > Support.
b. Enable the commands.
c. Click Restart.
Figure 3-3 Modbus-RS-485
® ™
Liebert IntelliSlot Unity
™
Card User Manual 18
Node ID must
be unique on
the RS-485 bus
this card is
connected to.