135
C-mode Command Details Section 4-3
Execution Conditions
End Codes An end code of 14 (format error) will be returned if the length of the command
is incorrect.
An end code of 15 (entry number data error) will be returned if the mode data
is out of range.
4-3-25 ERROR READ – – MF
Reads CPU Unit error information.
Command Format
For the “error clear” parameter, specify 01 to clear errors and 00 to not clear
errors (BCD).
Response Format
Commands Responses PLC Mode UM Area
Single Multiple Single Multiple RUN MON PROG Write-protected Read-protected
OK No OK No OK OK OK OK OK
End code (Hex) Contents
00 Normal completion
13 FCS error
14 Format error
15 Entry number data error
18 Frame length error
19 Not executable
21 Not executable due to CPU Unit CPU error.
@MF
x 10
0
x 10
1
x 10
1
x 10
0
*
↵
Unit No. (BCD)
Header
code
TerminatorFCS
Error clear
@MF
x 10
0
x 10
1
x 16
1
x 16
0
x 16
3
x 16
2
x 16
1
x 16
0
x 16
3
x 16
2
x 16
1
x 16
0
↵
*
Unit No. (BCD)
Header
code
End code Error information
(1st word)
TerminatorFCS
Error information
(2nd word)
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