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9-15
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
*_CMstrErr
(Master Error) and
*_CMstrSendErr
(Send Error) are TRUE.
*_SendTimeoutErr
(Send Timeout
Error) and
*_UnitErr
(Unit Error) are
TRUE.
Check the following:
•
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
*_CMstrErr
(Master Error) and
*_CMstrCfgErr
(Configuration Error) are
TRUE.
*_UnitErr
(Unit Error) and
*_MsgListErr
(Invalid Message Timer List Error) are
TRUE.
Use the CX-Integrator to register the
message monitoring timer list again.
-
*_UnitErr
(Unit Error),
*_SlavFunErr
(Slave Function Error) and
*_MemErr
(Unit Memory Error) are TRUE.
Disable the slave, reset the alloca-
tions, and then enable the slave again
or use the CX-Integrator to reset the
slave scan list.
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: ......