Omron SYSMAC CS1W-ETN21 Operation Manual page 116

Auxiliary Area Data
Word(s) Bit(s)
A417 A417.00 to CPU Bus Unit Error,
A417.15 Unit Number Flags
A427 A427.00 to CPU Bus Unit Set-
A427.15 ting Error, Unit
Number Flags
Read/Write Bits (User Settings)
Word Bits
A501 A501.00 to CPU Bus Unit
A501.15 Restart Bits
Name
When an error occurs in a data exchange between
the CPU Unit and a CPU Bus Unit, the CPU Bus
Unit Error Flag (A402.07) and the corresponding
flag in A417 are turned ON. Bits 00 to 15 corre-
spond to unit numbers 0 to F.
The ERR/ALM indicator on the front of the CPU Unit
will flash, but CPU operation will continue.
When a CPU Bus Unit Setting Error occurs,
A402.03 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.
Name
Bits A501.00 through A501.15 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 (A302.00 to
A302.15) will turn ON when initialization of the Units
begins and turn OFF when it is completed.
Function
Description
Section 4-3
Settings
0: No error
1: Error
0: No setting error
1: Setting error
Settings
OFF to ON:
Unit restarted.
Automatically turned
OFF by system after
restart processing
has been completed.
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