Appendix
What Happens If ...?
Event | Explanation |
| Remedy | |||
|
|
|
|
| ||
POW LED not lit | No power supply |
| Connect and switch on power | |||
|
|
|
|
| supply | |
POW LED flashing |
| Data transfer via |
|
|
| |
BUS LED not lit |
| No |
| Connect and start | ||
|
| communication |
| |||
BUS LED lit |
| Data transfer via PROFIBUS- |
|
|
| |
|
| DP OK |
|
|
| |
Slave not signalling |
| – | No slave address set |
| – | Set slave address |
|
| – | No bus terminating resistor |
| – Set bus terminating resistors | |
|
|
| present |
| – | Check connection |
|
| – | Cable, plug faulty |
| – | Provide power supply to |
|
| – | No power supply |
|
| device |
Write command rejected |
| – | Command not permissible |
| – | Change command |
|
| – | EZ display not on the Status |
| – | Show Status display |
|
|
| display |
|
|
|
Actual value is zero |
| No actual value present |
| Function relay does not have an | ||
|
|
|
|
| actual value or not triggered | |
|
|
|
|
|
|
|
MN05013001E | For more information visit: www.EatonElectrical.com | 181 |
