150
Error History Information
Appendix C
CS1W-DRM21
0701
Code from
7-segment
display on
Unit
Error node
address
Configuration error
A configuration data error occurred.
E8
0702
I/O area overlap
Words in the Slave I/O areas are
overlapping.
d0
0703
I/O area range exceeded
An I/O area is outside the valid
areas.
d1
0704
Unsupported Slave
An unsupported Slave is connected.
d2
0705
Verification error: Slave
missing
A Slave registered in the scan list is
not connected to the network.
d5
0706
Verification error: Slave I/O
size differs
The I/O capacity of a Slave does not
agree with the information in the
scan list.
d5
0707
Communications error
An error occurred in remote I/O
communications.
d9
0708
Scan list operation failed
It was not possible to perform a scan
list operation.
C0 to C5
0709
PLC mounting error
A PLC mounting error has occurred.
E4
0781
Node address duplication
The same node address is allocated
to two nodes.
F0
0782
Bus Off detected
A Bus Off status was detected.
F1
0783
No communications power
supply
The communications power is not
being supplied.
E0
0784
Send timeout
A send timeout occurred.
E2
Error
code
(Hex)
Error Error
data
EEPROM
Upper 2 digits
Lower 2 digits
0001
CPU Unit WDT Error
00 Hex
00 Hex
Yes
0002
CPU Unit service monitor error
(No service from the CPU Unit for a specified time.)
Monitor time (ms)
Yes
0006
Other CPU Unit error
Bit 14: Unit number duplicated.
Bit 11: The Unit is not listed in the registered
I/O tables.
The other bits are reserved by the system.
Yes
000F
CPU Unit initial processing error
00 Hex
00 Hex
Yes
0011
Event timeout
MRC
SRC
Yes
0012
CPU Unit memory error
01 Hex: Read error
02 Hex: Write error
03 Hex: Routing table
04 Hex: CPU Bus
Unit Parameter Area
05 Hex: CIO/DM
words allocated to
CPU Bus Unit
Yes
Error
code
(Hex)
Error details
Error
Meaning
7-
segment
display
on Unit
Upper 2
digits
Lower 2
digits
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