Omron CQM1H-CLK21 - Manual (Page 225)

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Commands and Responses for Controller Link Units Section 6-5
Response Block
The DATA LINK STOP command can be received only while the data links are
active. An error will occur if this command is sent at any other time.
This command can be received by any node that is participating in the data
link.
6-5-4 CONTROLLER DATA READ
Reads the Controller Link Unit’s model, version, and node address data.
Command Block
Response Block
For C200HX/HG/HE, CVM1, and CV-series PLCs
For CS/CJ-series and CQM1H-series PLCs
Parameters Model, Version (response): The Controller Link Unit’s model and version are
returned as shown below, each 20 characters in ASCII code. If fewer than 20
bytes of data are used, 20 (Hex) (i.e., spaces) will be returned for the remain-
ing bytes. In the version numbers shown below, the spaces are represented
by boxes (
@ ).
Model
Unit for C200HX/HG/HE PLCs: C200HW-CLK21 @@@@@@@@
Unit for CVM1/CV-series PLCs: CVM1-CLK21 @@@@@@@@@@
Unit for CS-series PLCs: CS1W-CLK21-V1 @@@@@@@@
Unit for CJ-series PLCs: CJ1W-CLK21-V1 @@@@@@@@
Unit for CQM1H-series PLCs: CQM1H-CLK21 @@@@@@@@@
Version
PLCs other than CJ-series PLCs: V1.00 @ V1.00 @@@@@@@@@
The first version number represents the Communications Controller version
number, and the second represents the Unit version number.
CJ-series PLCs: V2.00 @ V2.00 @ V2.00 @@@
The first version number represents the data link layer Communications Con-
troller version number, the second represents the network layer Communica-
02 04
Command
code
Response
code
01 05
Command
code
Response
code
Command
code
Model
20 bytes 20 bytes
Version
Reserved for system
Node address
05 01 00
Response
code
Command
code
Model
20 bytes 20 bytes
Version
Node
address
05 01
Wired/
Optical Unit
address Network
address