Allen-Bradley MicroLogix 1100 Instruction Set Reference Manual

Publication 1763-RM001B-EN-P - April 2007
366 Communications Instructions
Modbus Command
The controller supports eight Modbus commands. If the target device
supports any of these Modbus command types, the controller should be
capable of exchanging data with the device. Supported Modbus
commands include:
Modbus Command Types
Modbus Command Used For
01 Read Coil Status reading bits
02 Read Input Status reading bits
03 Read Holding Registers reading words
04 Read Input Registers reading words
05 Write Single Coil writing 1 bit
06 Write Single Register writing 1 word
15 Write Multiple Coil writing multiple bits
16 Write Multiple Registers writing multiple words
efesotomasyon.com - Allen Bradley,Rockwell,plc,servo,drive

Allen-Bradley MicroLogix 1100 Specifications

General

Processor	32-bit
Programming Software	RSLogix 500
Mounting	DIN rail or panel mount
Power Supply	24V DC
Type	Compact PLC
Digital Inputs	12
Digital Outputs	8
Analog Inputs	4 (depending on model)
Analog Outputs	Optional with expansion module
Programming Language	Ladder Logic
Operating Temperature	0 to 55 °C (32 to 131 °F)
Series	MicroLogix