Modbus communication, Modbus functions supported, Tion on – Rockwell Automation 1420 PowerMonitor 500 User Manual
Page 41
Rockwell Automation Publication 1420-UM001D-EN-P - September 2013
41
Communication
Chapter 4
The destinations of the CPS instructions are in a tag with a user-defined data
type.
The destination tag shows the data in this way.
Modbus Communication
For a complete description of the MODBUS protocol refer to the following
documents that can be downloaded from
:
• Modbus_Application_Protocol_ V1_1a
• Modbus_Messaging_Implementation_Guide_V1_0a
Modbus Functions Supported
Modbus RTU is supported in PowerMonitor 500 units ordered with optional
RS-485/RS-232 communication. In addition, Modbus TCP is supported in
units ordered with optional Ethernet communication. Communication
parameters in the power monitor must be configured. Refer to the Unit
Configuration section of this manual.
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