Omron CS1D DUPLEX SYSTEM - 10-2009 Operation Manual page 316

Auxiliary Area
Name
Duplex Communications
Standby Unit Error Flags
(non-fatal communications
error)
Duplex Communications
Switch Cause Flags
280
Address
A43700 to Active/Standby Communications Units
A43715 ON: An error was detected in self-diagnosis in the standby
Communications Unit. Communications will be continued by
the active Communications Unit.
Primary/Secondary Communications Units (See Note)
ON: An error was detected in self-diagnosis in the secondary
Communications Unit. Communications will be continued by
the primary Communications Unit.
All Communications Units
Bits 00 to 15 correspond to unit numbers 0 to F.
This flag is turned OFF when online Unit replacement is per-
formed for the faulty Communications Unit.
Note: Primary/Secondary Communications Units are sup-
ported by CPU Unit Ver. 1.1 or later.
A042 to Active/Standby Communications Units
A049 When an error occurs in the active Communications Unit and
operation is switched to the standby Communications Unit, an
error code will be stored to show the cause of the error in the
active Communications Unit. An error code is not stored when
an error occurs in the standby Communications Unit.
Primary/Secondary Communications Units (See Note)
When an error occurs in the primary Communications Unit
and operation is switched to the secondary Communications
Unit, an error code will be stored to show the cause of the
error in the primary Communications Unit. When an error
occurs in the secondary Communications Unit, an error code
is stored in the words for one unit number higher than the pri-
mary Communications Unit.
All Communications Units
The corresponding bit in A436 (Duplex Communications
Switched Flags) will also turn ON.
Refer to the Operation Manual for the Communications Unit
for details on error codes.
Note: Primary/Secondary Communications Units are sup-
ported by CPU Unit Ver. 1.1 or later.
Description
Section 8-11
Access
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