Omron CJ1W-EIP21 ユーザーズマニュアル

PLC Objects provide the following services.

CPU Unit Informa-
tion Read 

0E Hex

C4 Hex
(2F Hex)
(See note.)

00 Hex

Attribute ID = 
64 Hex

Reads the operating mode of the 
CPU Unit.

Attribute ID = 
65 Hex

Reads if there is a fatal or non-fatal 
error in the CPU Unit.

Attribute ID = 
66 Hex

Reads CPU Unit model.

CPU Unit Write 

10 Hex

Attribute ID = 
64 Hex,
Attribute Value

Changes the operating mode of the 
CPU Unit.

Attribute ID = 
65 Hex
Attribute Value

Clears errors.

CPU Unit Status 
Read 

40 Hex

None

Reads the detailed status of the CPU 
Unit.

Operation status: Stop, run, CPU 
standby

Operating modes: PROGRAM, MON-
ITOR, RUN 

Fatal error information: Error flags, 
including memory errors, I/O bus 
errors, system errors

Messages: Message No. when MSB 
instruction executed by CPU Unit

Error codes: Error code for the most 
serious errors

Error messages: Messages stored in 
CPU Unit when FAL/FALS instruction 
executed