9-11
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
*_CMstrVefyErr
(Verification Error) are
TRUE.
*_Mstr1VefyErr
(Verification Error),
*_UnitErr
(Unit Error) and
*_MstrFunErr
(Master Function Error) are TRUE.
Inspect the slave and then create the
scan list again.
*_CMstrErr
(Master Error) and
*_CMstrVefyErr
(Verification Error) are
TRUE.
*_Mstr1VefyErr
(Verification Error),
*_UnitErr
(Unit Error) and
*_MstrFunErr
(Master Function Error) are TRUE.
Inspect the slave and then create the
scan list again.
*_CMstrErr
(Master Error) and
*_CMstrVefyErr
(Verification Error) are
TRUE.
*_Mstr1VefyErr
(Verification Error),
*_UnitErr
(Unit Error) and
*_MstrFunErr
(Master Function Error) are TRUE.
Inspect the slave and then create the
scan list again.
*_CMstrErr
(Master Error) and
*_CMstrVefyErr
(Verification Error) are
TRUE.
*_Mstr1VefyErr
(Verification Error),
*_UnitErr
(Unit Error) and
*_MstrFunErr
(Master Function Error) are TRUE.
Inspect the slave and then create the
scan list again.
*_CMstrErr
(Master Error) and
*_CMstrVefyErr
(Verification Error) are
TRUE.
*_Mstr1VefyErr
(Verification Error),
*_UnitErr
(Unit Error) and
*_MstrFunErr
(Master Function Error) are TRUE.
Inspect the slave and then create the
scan list again.
*_CMstrErr
(Master Error) and
*_CMstrVefyErr
(Verification Error) are
TRUE.
*_Mstr1VefyErr
(Verification Error),
*_UnitErr
(Unit Error) and
*_MstrFunErr
(Master Function Error) are TRUE.
Inspect the slave and then create the
scan list again.
*_CMstrErr
(Master Error) and
*_CMstrIOErr
(Communications Error)
are TRUE.
*_Mstr1IOErr
(Remote I/O Communica-
tions Error),
*_UnitErr
(Unit Error) and
*_MstrFunErr
(Master Function 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
Summary of Contents for CJ1W-DRM21
Page 12: ...Manual Structure 10 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Page 42: ...Revision History 40 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Page 345: ...Index 1 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 I Index ...
Page 349: ......