Modbus menu – HP Power Distribution Unit Management Module User Manual
Page 42
HP PDR Management Module web interface 42
5.
Do one of the following:
o
Click Save Settings to save the information.
o
Click Undo Changes to undo the changes.
o
Click Help to view online help.
ModBus menu
Click ModBus in the left navigation frame to access the ModBus screen. This screen enables address
selection for the ModBus RTU or TCP and the PDR.
To configure ModBus:
•
Configure RTU (serial port communication)
a.
Select the ModBus/RTU checkbox.
b.
Enter the device address. If you have one PDR system, the Device Address is 1. If you have
multiple PDR systems that are monitored by the same ModBus Application Server, then assign
different Device Addresses for each PDR system.
-or-
•
Configure TCP (network port communication)
a.
Select the ModBus/TCP checkbox.
b.
Enter the device address. If you have one PDR system, the Device Address is 1. If you have
multiple PDR systems that are monitored by the same ModBus Application Server, then assign
different Device Addresses for each PDR system.
c.
Enter the port number. The default port is 502.
Only one ModBus protocol can be selected at a time. By default, neither checkbox is selected.
Do one of the following:
o
Click Save Settings to save the information.
o
Click Undo Changes to undo the changes.