Chapter 7 Commands And Functions; Command List - Mitsubishi Electric MELSEC IQ-R series Reference Manual

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COMMANDS AND FUNCTIONS
This chapter explains the commands of MC protocol.
The functions of a message is defined by each command. The message format for request data and response data varies
with commands. Depending on the type of frame to be used, the specific value is assigned to a command. The value of
command is specified at the head of a request data.
Request message
Control code
Response message
Control code
The explanation of each command in Part 3, the message format of request data and response data are explained.
For the message formats other than request data and response data, refer to the following sections.
Page 28 MESSAGES OF SERIAL COMMUNICATION MODULE
Page 39 MESSAGES OF ETHERNET INTERFACE MODULE
7.1

Command List

The following shows the list of commands.
There are some commands that cannot be executed while the CPU module is in RUN. Refer to the following
section.
Page 463 Applicable Commands for Online Program Change
For details on the number of points processed per communication and modules can be accessed by each
command, refer to the following sections.
Page 465 Number of Processing per One Communication
Page 471 Accessible Modules for Each Command
7 COMMANDS AND FUNCTIONS
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7.1 Command List
Access route
Command
Access route
Request data
Response data