Rockwell Automation 1769-SM2 Compact I/O DSI/Modbus Communication Module - Manual (Page 100)

6-20 MicroLogix 1500 Example Ladder Programs
The format of the command data is:
The Logic Status/Feedback read message instruction on rung 0002 is
configured as follows:
The format of the command data is:
The format of the response data is:
Data Word Example Value Description
N7:100 15 PowerFlex 70 node address
N7:101 16 Function Code – Write Multiple Registers
N7:102 0 Starting Register Address (40001)
N7:103 3 Number of registers to write
N7:104 18 Value for 40001 – Logic Command word
N7:105 0 Value for 40002 – not used
N7:106 8192 Value for 40003 – Reference word
Data Word Example Value Description
N7:110 15 PowerFlex 70 node address
N7:111 4 Function Code – Read Input Registers
N7:112 0 Starting Register Address (30001)
N7:113 3 Number of registers to read
Data Word Example Value Description
N7:114 3855 Value for 30001 – Logic Status word
N7:115 0 Value for 30002 – not used
N7:116 8192 Value for 30003 – Feedback word