Chapter 1 Function; Program Related Function; Device Access Function - Mitsubishi Electric MELSEC iQ-R C User Manual

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FUNCTION
This chapter shows the details of the functions of a C intelligent function module.
1.1

Program Related Function

Device access function

Data can be read from/written to devices and buffer memory of a C intelligent function module or a CPU module by using a
dedicated function library.
For accessible modules and routes, refer to the following manual.
MELSEC iQ-R C Intelligent Function Module Programming Manual
Data can be read from/written to devices and buffer memory of a C intelligent function module by using a
peripheral device (engineering tool).
Function list
The following table shows the functions used for accessing devices.
Function name
CITL_FromBuf
CITL_ToBuf
CITL_X_In_Bit
CITL_X_In_Word
CITL_X_In_Word_ISR
CITL_X_Out_Bit
CITL_X_Out_Word
CITL_X_Out_Word_ISR
CITL_Y_In_Bit
CITL_Y_In_Word
CITL_Y_In_Word_ISR
mdrDevRst
mdrDevSet
mdrRandR
mdrRandW
mdrReceive
mdrSend
*1 CPU buffer memory cannot be accessed.
Description
To read data from the buffer memory of a C intelligent function module.
To write data to the buffer memory of a C intelligent function module.
To read an input signal (X) in bit (1-point) units.
To read an input signal (X) in word (16-point) units.
To write to an input signal (X) in bit (1-point) units.
To write to an input signal (X) in word (16-point) units.
To read an output signal (Y) in bit (1-point) units.
To read an output signal (Y) in word (16-point) units.
*1
To reset (turns OFF) bit devices.
*1
To set (turns ON) bit devices.
*1
To read devices randomly.
*1
To write devices randomly.
To read devices in batch.
To write devices in batch.
1 FUNCTION
1.1 Program Related Function
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