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Appendices
CJ-series EtherCAT Slave Units Operation Manual (W541)
A-6 FINS Commands
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A-6-1 Introduction
A-6 FINS Commands
This section explains the FINS commands that are supported by the EtherCAT Slave Unit.
The following FINS command codes can be used to perform various functions with the EtherCAT Slave
Unit.
This section describes details for FINS commands used with the EtherCAT Slave Unit.
This command reads the model and version of the EtherCAT Slave Unit.
Command Block
Response Block
Parameters
A-6-1 Introduction
Command code
Function name
MRC SRC
05 01 CONTROLLER DATA READ
21 02 ERROR LOG READ
03 ERROR LOG CLEAR
A-6-2 Details on FINS Commands
Controller Data Read (0501)
Name Description
Model
number
The model number of the EtherCAT Slave Unit is returned as ASCII characters occupying 20 bytes
(i.e., 20 characters each). If all bytes are not used, the remaining bytes will be all spaces (ASCII 20
hex).
• Example Model: CJ1W-ECT21
Version The version of the EtherCAT Slave Unit is returned as ASCII characters occupying 20 bytes (i.e., 20
characters each). If all bytes are not used, the remaining bytes will be all spaces (ASCII 20 hex).
• Example Version: V1.00
05 01 20 byte 20 byte
End
code
Command
code
Model
number
Version