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Figure 5
Enable protocols; enable commands
3.1.1
Enable Modbus Protocol
Protocols may be enabled after a card has been installed and configured. To enable Modbus protocol:
1. Select Unity Tab > Protocols > Modbus.
2. Click on Edit and enter a User name and password.
3. Select the access level (Read Only or Read/Write).
4. Select the Modbus interface, (Modbus TCP or Modbus RTU).
5. Click Save to confirm the changes or click on Cancel to discard the changes.
6. Configure the Modbus interface chosen; refer to Configure Modbus TCP or Configure
Modbus RTU. For additional details, see 5.7 - Protocols Folder—Modbus.
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). Refer to 5.7 - Protocols Folder—Modbus for additional details.
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.
a. Select Unity Tab > Support.
b. Enable the commands.
c.
Click on Restart.
11
Enable Communication Protocols
Enable
Protocols
Enable Commands
(Support folder)
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Liebert
IntelliSlot
Unity
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Card
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