Chapter 16 Melsec-A Series Supported Specifications; Frames And Commands That Can Be Used; Accessible Modules - Mitsubishi Electric MELSEC IQ-R series Reference Manual
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16
MELSEC-A SERIES SUPPORTED
SPECIFICATIONS
This chapter explains the specifications of the messages of MC protocol and access ranges when using the MELSEC-A
series devices as follows:
• When accessing system including MELSEC-A series modules
• When utilizing the software for data communication created for MELSEC-A series programmable controller.
16.1
Frames and Commands that can be Used
When accessing MELSEC-A series modules, all frames of MC protocol can be used.
However, the commands that can be used have some restrictions. (Page 471 Accessible Modules for Each Command)
A compatible frame
The following frames have compatibility with the message protocol and the message format for MELSEC-A series.
Frame
Compatible message format
1C frame
Dedicated protocols for MELSEC-A series computer link modules
1E frame
Message formats for MELSEC-A series Ethernet interface modules
16.2
Accessible modules
The following MELSEC-A series modules can be accessed within the access range.
Accessible modules to other stations
The following modules can be accessed.
Type
CPU module
MELSECNET/10 remote I/O
Special function module
Modules that can be relayed between networks
For the modules that can be relayed between networks when accessing MELSEC-A series module, refer to the following
table.
■MELSEC-A series module
Network
MELSECNET/10
■Module other than MELSEC-A series
Page 286 Modules that can be relayed between networks
16 MELSEC-A SERIES SUPPORTED SPECIFICATIONS
342
16.1 Frames and Commands that can be Used
Model name
A1NCPU, A2NCPU, A2NCPU-S1, A3NCPU, A2ACPU, A2ACPU-S1, A3ACPU, A2UCPU, A2UCPU-S1, A3UCPU, A4UCPU
A1SCPU, A1SJCPU(-S3), A1SHCPU, A1SJHCPU, A2SCPU, A2SHCPU, A2USCPU, A2USCPU-S1, A2USHCPU-S1
A0J2HCPU
Q02CPU-A, Q02HCPU-A, Q06HCPU-A
A2CCPUC24 and A2CCPUC24-PRF (when connected to an external device by multidrop connection.)
AJ72LP25 (G), AJ72BR15
Refer to the following section.
Page 385 Accessible modules
Model name
AJ71LP21 (G), AJ71BR11, A1SJ71LP21, A1SJ71BR11
Accessible range
Page 47 Accessible range of 1C frame
Page 49 Accessible range of 1E frame
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