Enable Communication Protocols
15
Liebert
®
IntelliSlot
™
Unity
™
Card User Manual
3.0 Enable Communication Protocols
The Liebert IntelliSlot Unity card will communicate with equipment and third-party systems over these
protocols:
• BACnet IP
• BACnet MSTP
• Modbus TCP
• Modbus RTU
• SNMP
• YDN23
3.1 Enable Protocols
Protocols may be enabled after a card has been installed and configured. After a protocol is enabled, it
must be configured, which requires opening that protocol’s folder (
Communications
tab >
Protocols
>
(desired protocol).
To enable two communication protocols:
1. Select
Communications
tab >
Protocols
.
2. Click
Edit
and enter the administrator user name and password.
3. Put a check mark next to the protocols to use—Only two may be enabled; only one of the two can use
the 485 port.
4. Click
Save
to confirm the changes or
Cancel
to discard them.
NOTE
No more than two protocols may be enabled on one card.
• Only one version of BACnet may be selected, either BACnet IP or BACnet MSTP
• Only one version of Modbus may be selected, either Modbus TCP or Modbus RTU
• Only one of the protocols can use the 485 port; choosing two 485 protocols will cause conflicts.
NOTE
Some Building Management Systems can be configured to send continuous updates for device
setpoints, usually setting the same value. The BMS should be configured to send, on a sustained
average, no more than two writes per second to the device. This will allow the device to catch up
after a burst of updates when required while allowing other communication with the device to
proceed.
Содержание Liebert Intellislot Unity Card
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