Omron CS Series Operator's Manual page 236

I/O Memory Allocation
Address
Words Bits
A417 A41700
to
A41715
A418 to A41800
A423 to
A42315
A424 A42400
to
A42415
A425 A42504
to
A42506
A42504
A42508
to
A42515
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Name
CS/CJ- When an error occurs in a data
series CPU exchange between the CPU Unit
Bus Unit
and a CS/CJ-series CPU Bus
Error, Unit Unit, the CS/CJ-series CPU Bus
Number Unit Error Flag (A40207) is
Flags turned ON and the bit in A417
corresponding to the unit number
of the Unit where the error oc-
curred is turned ON. Bits 00 to 15
correspond to unit numbers 0 to
F.
The CPU Unit will continue oper-
ating and the ERR/ALM indicator
on the front of the CPU Unit will
flash.
Special I/O When an error occurs in a data
Unit Error, exchange between the CPU Unit
Unit Num- and a Special I/O Unit, the Spe-
ber Flags cial I/O Unit Error Flag (A40206)
will be turned ON.
Inner Board When an error occurs in a data
Error In- exchange between the CPU Unit
formation and the Inner Board, the Inner
Board Error Flag (A40208) and
the appropriate bits in A424 will
be turned ON.
The meaning of the bits in
·
A424 depends upon the model of
Inner Board that is being used.
Refer to the Board's operation
manual for details.
A424 will be cleared when the
error is cleared.
Slave When there is an error in a Slave
Number of Rack, these bits contain the
SYSMAC Slave's unit number.
BUS Error
When there is an error in an Op-
After Start-
tical I/O Unit (excluding Slave
up
Racks), the status of A42504
(ON or OFF) indicates whether
the Unit is allocated high or low
bytes.
When there is an error in a Slave
Rack, this byte contains the 2-
digit hexadecimal unit number of
the Master to which the Slave is
connected.
When there is an error in an Op-
tical I/O Unit, this byte contains
its 2-digit hexadecimal unit num-
ber (00 to 1F, or 0 to 31 decimal).
CS/CJ-series PLC
Function
1: Error
0: No error
1: Error
0: No error
0 to 4 Hex
(Unit No. 0
to 4)
1: High
0: Low
B0: Unit 0
B1: Unit 1
00 to 1F
hex (0 to
31)
Section 9-3
CX-Simulator
Settings Function
Not used.
Not used.
Not used.
Not used.
Same as
CS/CJ-series
PLC.
Same as
CS/CJ-series
PLC.
Settings
221