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9-27
9 Troubleshooting and Maintenance
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
9-1 T
rou
b
lesho
o
ting
with the De
v
iceNet U
n
it Indi
cato
rs
9
9-1-2 T
roub
leshooting Errors
Occurr
ing
in the
De
viceNet Un
it
Status of C200H Master Replacement
Master Status 1
*_CMstrSta*_CMstrSta
Status of device variables
for CJ-series Units
Correction
-
*_Slav1IO1Err
(Remote I/O Communi-
cations Error for OUT1/IN1) or
*_Slav1IO2Err
(Remote I/O Communi-
cations Error for OUT2/IN2) is TRUE
and
*_UnitErr
(Unit Error) and
*_SlavFunErr
(Slave Function Flag) are
TRUE.
Check the following:
•
Master Operation is normal
•
Matching master and slave baud
rates
•
Proper cable lengths (trunk and
branch lines)
•
Broken or loose cables
•
Installation of terminators only at
both ends of the trunk line
•
Excessive noise
-
-
Restart Controller. Replace the
DeviceNet Unit if the error recurs.
-
-
-
Содержание CJ1W-DRM21
Страница 12: ...Manual Structure 10 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Страница 42: ...Revision History 40 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Страница 214: ...6 Message Communications 6 26 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Страница 345: ...Index 1 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 I Index ...
Страница 349: ......