Omron CQM1H-CLK21 - Manual (Page 243)

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Commands and Responses for C200HX/HG/HE and CQM1H-series PLCs Section 6-6
6-6-11 CONTROLLER STATUS READ
Reads the status of the Controller.
Command Block
Response Block
Parameters Status (response): The operating status of the PLC as follows:
00 (Hex): Stop (program not being executed)
01 (Hex): Run (program being executed)
80 (Hex): CPU Unit on standby
Mode (response): One of the following PLC modes:
00 (Hex): PROGRAM
02 (Hex): MONITOR
04 (Hex): RUN
Fatal error data (response): The contents of fatal error information from the
PLC. (For details refer to the operation manual of the PLC that is being used.)
Non-fatal error data (response): The contents of non-fatal error information
from the PLC. (For details refer to the operation manual of the PLC that is
being used.)
Command
code
01 06
01 06
Mode
Fatal error
data
FAL/
FALS no.
Error
message
Status
Response
code
Command
code
16 bytes
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0 0 0
Bit
1: System error (FALS)
1: No END instruction
1: I/O setting error
1: I/O point overflow
1: CPU bus error
1: Memory error
Second byte First byte
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0 0
Bit
1: PLC link error
1: Host link error
1: Battery error
1: Remote I/O error
1: Special I/O Unit error
1: I/O verification error
1: System error (FAL)
Second byte First byte