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RELEVANT MANUALS
e-Manual refers to the Mitsubishi FA electronic book manuals that can be browsed using a dedicated tool.
e-Manual has the following features:
• Required information can be cross-searched in multiple manuals.
• Other manuals can be accessed from the links in the manual.
• The hardware specifications of each part can be found from the product figures.
• Pages that users often browse can be bookmarked.
TERMS
Unless otherwise specified, this manual uses the following terms.
Manual name [manual number] Description Available form
MELSEC iQ-R Serial Communication Module User's
Manual (Application)
[SH-081251ENG] (this manual)
Functions, input/output signals, buffer memory, parameter setting, and trouble
shooting of Serial communication module
Print book
e-Manual
PDF
MELSEC iQ-R Serial Communication Module User's
Manual (Startup)
[SH-081250ENG]
Specifications, procedures prior to operation, system configurations, wring,
and data communication examples of Serial communication module
Print book
e-Manual
PDF
MELSEC Communication Protocol Reference
Manual
[SH-080008]
Specifications, accessible range, message protocols, and functions of
MELSEC Communication Protocol
Print book
e-Manual
PDF
Terminology Description
3C frame
(Formats 1 to 4)
4C frame
(Formats 1 to 4)
A message format for C24 for data communications with ASCII code data using the MC protocol
This is the same message format as the communication frame using the dedicated protocol for the QnA series
Serial Communication Module.
• QnA compatible 3C frame (Formats 1 to 4): QnA frame (Formats 1 to 4)
• QnA compatible 4C frame (Formats 1 to 4): QnA extension frame (Formats 1 to 4)
4C frame
(Format 5)
A message format for C24 for data communication with binary code data using the MC protocol
This is the same message format as the communication frame using the dedicated protocol for the QnA series
Serial Communication Module.
• QnA compatible 4C frame (Format 5): QnA extension frame (Format 5)
Bidirectional protocol A data communication function to communicate any data between a CPU module and the target device using the
communication procedure for C24
Buffer memory A memory of an Intelligent function module to store data (including setting value and monitored value) sent to/
receive from CPU module
BUFRCVS An abbreviation for Z.BUFRCVS
C24 Another term for the MELSEC iQ-R series Serial Communication Module
CPRTCL An abbreviation for G.CPRTCL or GP.CPRTCL
CPU module A generic term for MELSEC iQ-R series CPU module
CSET An abbreviation for ZP.CSET
Data communication function A generic term for MC protocol, predefined protocol, nonprocedural protocol, and bidirectional protocol
Engineering tool A tool for setting, programming, debugging, and maintaining programmable controllers.
For the supported tools, refer to the following manual.
MELSEC iQ-R Module Configuration Manual
GETE An abbreviation for G.GETE or GP.GETE
Independent operation A mode of interface operation to communicate data with the target device with a function specified in each
communication protocol setting without interaction between two interfaces of C24
INPUT An abbreviation for G.INPUT
Intelligent function module A generic term for modules which has functions other than input and output, such as A/D converter module and
D/A converter module
Interlink operation A mode of interface operation to communicate data with the target device with the two interfaces linked one
another when two interfaces of C24 are connected to target devices respectively
The two interfaces communicate data with the same data communication function (MC protocol (identical format)
or nonprocedural protocol) and the same transmission specifications. (Interlink operation of the predefined
protocol and the bidirectional protocol is not allowed.)
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