Chapter 22 Programming Using Melsec Data Link Functions; Outline Of Functions; Function List - Mitsubishi Electric MELSEC Q Series User Manual

CHAPTER 22
This chapter describes the MELSEC data link function program flow and precautions.
22.1

Outline of Functions

MELSEC data link functions are used for reading/writing via network, or from/to the other programmable controller
CPU device(s) comprising a multiple CPU configuration.
22.2

Function List

The list of MELSEC data link functions is indicated in the table below.
For details of each function, install Setting/monitoring tools for the C Controller module and refer to the [C Controller
module function help].
(1) Available functions
Function name
mdClose
mdControl
mdDevRstEx
mdDevSetEx
mdInit
mdOpen
mdRandREx
mdRandWEx
mdReceiveEx
mdSendEx
mdTypeRead
362
PROGRAMMING USING MELSEC
DATA LINK FUNCTIONS
Closes a communication line.
Remote operations (RUN/STOP/PAUSE) of the programmable controller CPU.
Resets (OFF) the bit device.
Sets (ON) the bit device.
Initializes the programmable controller CPU device information table.
Opens a communication line.
Reads devices randomly.
Writes devices randomly.
• Batch reads devices.
• Receives messages.
• Batch writes devices.
• Sends messages
Reads the model name of the programmable controller CPU.
Q24DHC-V Q24DHC-VG
Description
Q24DHC-LS Q26DHC-LS
Q12DC-V