Allen-Bradley MicroLogix 1100 Instruction Set Reference Manual page 365

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Communication Command
The controller supports six different types of communications commands.
If the target device supports any of these command types, the controller
should be capable of exchanging data with the device. Supported
commands include:
Communication Command Types
Communication
Command
500CPU Read
500CPU Write
(1)
485CIF Read
(1)
485CIF Write
PLC5 Read
PLC5 Write
(1) See Important note below.
IMPORTANT
Description
The target device is compatible with and supports the
SLC 500 command set (all MicroLogix controllers).
The target device is compatible with and supports the
SLC 500 command set (all MicroLogix controllers).
The target device is compatible with and supports the
485CIF (PLC2).
The target device is compatible with and supports the
485CIF (PLC2).
The target device is compatible with and supports the
PLC5 command set.
The target device is compatible with and supports the
PLC5 command set.
The Common Interface File (CIF) in the MicroLogix
1100, 1200, 1500, and SLC 500 processors is File 9. The
CIF in the MicroLogix 1000 controller is Integer File 7.
Communications Instructions
Used For
reading data
sending data
reading data
sending data
reading data
sending data
Publication 1763-RM001B-EN-P - April 2007
365