Allen-Bradley MicroLogix 1400 Instruction Manual page 622

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620 Protocol Configuration
Publication 1766-RM001A-EN-P - October 2008
Supported Modbus Commands as a Modbus RTU Master
Command
Read Input Registers
(1)
Write Single Coil
(1)
Write Single Holding Register
(1)
Write Multiple Coils
Write Multiple Holding Registers
(1) Broadcast is supported for this command.
Function Code
(decimal)
4
5
6
15
(1) 16
Subfunction Code
(decimal)
-
-
-
-
-