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Omron CS1W-ETN21 User Manual

Page 116

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91

Auxiliary Area Data

Section 4-3

Read/Write Bits (User Settings)

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

Word

Bits

Name

Description

Settings

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.

The Restart Bits are turned OFF automatically when
restarting is completed.

The CPU Bus Unit Initializing Flags (A30200 to
A30215) will turn ON when initialization of the Units
begins and turn OFF when it is completed.

OFF to ON:
Unit restarted.

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

Word(s)

Bit(s)

Name

Function

Settings