Chapter 17 Communicating Using 1C Frames; Message Format - Mitsubishi Electric MELSEC IQ-R series Reference Manual

17
COMMUNICATING USING 1C FRAMES
This chapter explains the functions when accessing using 1C frame and their message format.
1C frame is compatible with the communication function of the dedicated protocols supported by A series computer link
modules.
Only the commands for 1C frame explained in this chapter can be used for 1C frame.
17.1

Message Format

This section explains the message format when communicating data using 1C frame.
Message format
■Request message
Data by the format
■Response message (Normal completion: Response data)
Data by the format
■Response message (Normal completion: No response data)
Data by the format
■Response message (Abnormal completion)
Data by the format
Setting data
Set the following items.
Item
Data by format
Access route Station No.
PC No.
17 COMMUNICATING USING 1C FRAMES
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17.1 Message Format
Access route
Station PC No.
No.
Command Message wait
Access route Data by the format Response data
Station PC No.
No.
Access route Data by the format
Station PC No.
No.
Access route
Data by the format
PC No. Error
Station
code
No.
Description
The message formats differ depending on the set format (Format 1 to
Format 4).
Specify the station to be connected from an external device.
Specify the network module station No. of an access target.
Request data Data by the format
Character area
Data by the format
Character area
Reference
Page 29 Message Formats of Each Protocol
Page 50 Station No.
Page 52 Network No., PC No.