Omron CJ1W-EIP21 用户手册

A417

A41700 to 
A41715

CPU Bus Unit Error, 
Unit Number Flags

When an error occurs in a data exchange between 
the CPU Unit and a CPU Bus Unit, the CPU Bus 
Unit Error Flag (A40207) and the corresponding flag 
in A417 are turned ON. Bits 00 to 15 correspond to 
unit numbers 0 to F. 

The ERR/ALM indicator on the front of the CPU Unit 
will flash, but CPU operation will continue.

0: No error

1: Error

A427

A42700 to 
A42715

CPU Bus Unit Set-
ting Error, Unit 
Number Flags

When a CPU Bus Unit Setting Error occurs, A40203 
and the corresponding flag in A27 are turned ON. 
Bits 00 to 15 correspond to unit numbers 0 to F.

The ERR/ALM indicator on the front of the CPU Unit 
will flash, but CPU operation will continue.

0: No setting error

1: Setting error

A501

A50100 to 
A50115

CPU Bus Unit 
Restart Bits

Bits A50100 through A50115 can be turned ON to 
reset CPU Bus Units number #0 through #15, 
respectively. 

Note The CPU Bus Unit Initializing Flags (A30200 

to A30215) will turn ON when initialization of 
the Units begins and turn OFF when it is com-
pleted.

Note When turning ON the CPU Bus Unit Restart 

Bit from a ladder program, use the SET 
instruction. 

OFF to ON: 
Unit restarted.

Automatically turned 
OFF by system after 
restart processing 
has been completed.