Vertiv Liebert PEX+ Series User Manual

Vertiv | Liebert PEX+ Chilled Water | User Manual 79
Application of INTELLI SLOT
5.3.2. Enable Modbus Protocol
1. Protocols may be enabled after a card has been installed and configured. To enable Modbus protocol:
2. Select Unity Tab > Protocols > Modbus.
3. Click on Edit and enter a User name and password.
4. Select the access level (Read Only or Read/Write).
5. Select the Modbus interface, (Modbus TCP or Modbus RTU).
6. Click Save to confirm the changes or click on Cancel to discard the changes.
7. Configure the Modbus interface chosen; refer to Configure Modbus TCP or Configure Modbus RTU.
5.3.3. Configure Modbus TCP
1. Select the Unity Tab > Protocols > Modbus TCP.
2. Click on Edit and enter a User name and password if required.
3. Set the Limit Network Access Type by choosing from the drop-down list (Open/Same Subnet/Trusted IP List).
4. Enter the port to be used by the Modbus Server to listen for and respond to Modbus protocol requests based
on limit Network Access Type setting.
5. Enter the Maximum Client Connection Count.
6. Click Save to confirm the changes or click on Cancel to discard them.
7. Restart the card to confirm the changes.
• Select Unity Tab > Support.
• Enable the commands.
• Click on Restart.
5.3.4. Configure Modbus RTU
1. Select the Unity Tab > Protocols > Modbus RTU.
2. Click on Edit and enter a user name and password if required.
3. Set the Node ID and the Baud Rate.

Vertiv Liebert PEX+ Series Specifications

General

Brand	Vertiv
Model	Liebert PEX+ Series
Category	Air Conditioner
Language	English