Rockwell Automation 1408-EMxx PowerMonitor 1000 Unit - Manual (Page 16)

16 Publication 1408-UM001B-EN-P - May 2008
Chapter 3 Communications Command Summary
Modbus RTU Serial and
Optional Modbus/TCP
Ethernet The power monitor does not initiate Modbus commands but responds
to commands sent by the Modbus master. These Modbus function
codes are supported.
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03 Read Holding Registers
•
04 Read Input Registers
•
16 Write Multiple Holding Registers
•
08 Diagnostics
– 00 Echo Command Data
– 02 Return Diagnostic Counters
– 10 Clear Diagnostic Counters
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06 Write Single Holding Register