7 Troubleshooting and Maintenance
7-22
CJ-series PROFINET IO Controller Unit Operation Manual for NJ-series CPU Unit (W511)
The PROFINET IO Controller Unit is a Network device. If the Unit is damaged, it will effect the entire
Network, so always ensure repairs are undertaken immediately. It is recommended to have a spare
PROFINET IO Controller Unit on hand so that repairs may be conducted quickly.
Observe the following precautions when replacing the Unit.
•
Always turn OFF the power before replacing the Unit.
•
Ensure that the new Unit is not faulty.
•
If a poor connection is suspected of causing the malfunction, clean the connectors using a clean,
soft cloth and industrial-grade alcohol. Remove any lint or threads left from the cloth, and remount
the Unit.
•
When returning a faulty Unit for repair, always attach a detailed fault report to the Unit and return it
to the nearest OMRON dealer.
Precautions for Safe Use
In order to prevent faulty operation be sure to turn off the power to all master and slave devices
before replacing the Unit.
When replacing the Unit, do not reconnect it to the Network before carrying out the procedures
listed below.
After replacing a PROFINET IO Controller Unit (before applying power) set the unit number to the same
unit number as the previous Unit.
After applying the power, the configuration settings present in the previous Unit must also be trans-
ferred to the new Unit. Use CX-ConfiguratorFDT to download the original project from the stored loca-
tion and to the new Unit.
After configuring the new Unit, re-connect it to the network, and restart operation.
Additional Information
*_Sw2FileBkupCmd and *_Sw2FileRestoreCmd (Unit Setup File Backup and Restore Switches)
are not supported with the CJ1W-PNT21 Unit when used with the NJ-series Controller Unit.
Installation
Are the units installed securely?
No looseness Phillips head
screwdriver
Are the communications connectors fully
inserted?
No looseness Phillips head
screwdriver
Are the external wiring screws tight?
No looseness Phillips head
screwdriver
Are the connecting cables undamaged?
No damage
Check visually
7-4-3
Replacing Faulty Units
Precautions
Settings After Replacing PROFINET IO Controller Units
Item
Standard
Equipment
Содержание CJ1W-PNT21
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Страница 198: ...Index 1 CJ series PROFIBUS Master Unit Operation Manual for NJ series CPU Unit W509 I Index ...