Troubleshooting Flowcharts
Section 5-2
G
(From preceding page)
(A40113 ON)
YES
Check word
A409/A410
No. duplication
error?
NO
ON
ON
ON
A40900 to
Check Rack No. set-
Expansion Rack
No. duplicated
A40907 ON?
ting switch of I/O In
terface Units
-
OFF
Check assignment of
first word of each
Rack in PC Setup
W
ord assignment
A40915 ON?
OFF
duplicated
A41000 to
A41015 ON?
Check settings of
Unit No.
Unit No. of CPU
Bus Unit dupli
-
cated
OFF
D
(To page 84)
(A40112 ON)
YES
YES
Check connection of
CPU cable between
CPU Rack and Ex-
pansion CPU Rack
(To page 84)
CPU bus error?
NO
D
(A40111 ON)
Check words
A407/A408/A478
Reduce number of
words to within speci
fied value
I/O point over?
NO
D
(To page 84)
-
Word A407
Word A408
Word A478
No. of basic rack words
No. of SYSMAC BUS/2 words
No. of SYSMAC BUS words
CV500/CVM1-CPU01-EV2
CV1000/CVM1-CPU11-EV2
CV2000
32
64
64
32
64
64
128
128
128
128
128
CVM1-CPU21-EV2128
(A40110 ON)
YES
I/O setting error?
NO
Input and Output
Units are reversed.
V
erify I/O table with
peripheral device
(To next page)
H
NO
Create I/O table
Registered I/O
table correct?
YES
Mount Units accord-
ing to registered I/O
table
D
(To page 84)
86
OMRON [ OMRON ELECTRONICS LLC ]
