Chapter 3 Data Communication Using Nonprocedural Protocol - Mitsubishi Electric MELSEC iQ-R Series User Manual

3
DATA COMMUNICATION USING
NONPROCEDURAL PROTOCOL
Nonprocedural protocol enables to transmit and receive data between a CPU module and target device by setting a data
format and transmission control procedure arbitrarily.
A program for data communication is required for the CPU module.
Use this protocol for data communication with any given data format.
The predefined protocol is recommended for data communication appropriate to the protocol of the target
device, such as a measuring instrument or barcode reader.
Communication using the nonprocedural protocol can be replaced with that of the predefined protocol.
The predefined protocol support function of Engineering tool allows the easy replacement.
With the predefined protocol, the required program is only for starting communication according to the
specified protocol, and this can reduce the number of steps considerably.
For the communication using the predefined protocol, refer to the following chapter.
Page 26 DATA COMMUNICATION USING PREDEFINED PROTOCOL
Parameter settings of data communication using nonprocedural protocol
Set the transmission specification, the communication protocol with target devices, and others.
Set the "Nonprocedural protocol" for "Communication protocol setting".
Navigation window  [Parameter]  [Module Information]  "Module Name"  [Module Parameter]  "Basic Settings"
 "Various control specification"
Configure other settings according to the system being used.
For details on the settings, refer to following section.
Page 422 PARAMETER SETTING
3 DATA COMMUNICATION USING NONPROCEDURAL PROTOCOL
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Send
Arbitrary data
Arbitrary data
Receive