Table of Contents
Advertisement
Status of C200H Master Replacement
Master Status 1
*_CMstrSta*_CMstrSta
-
-
-
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
Status of device variables
for CJ-series Units
*_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.
-
-
9 Troubleshooting and Maintenance
Correction
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.
-
9
9-27
Hide quick links:
Advertisement
Table of Contents
Troubleshooting
