PROFIBUS diagnosis
Diagnostic variables
The slave has several diagnostic variables, that describe the state of the slave and the PROFIBUS and can be linked in the PLC:
DpState:
Value | Description |
---|---|
0 | No Error: |
1 | Station deactivated: |
2 | Station not exists: |
3 | Master lock: |
4 | Invalid slave response: |
5 | Parameter fault: |
6 | Not supported: |
7 | Config fault: |
8 | Station not ready: |
9 | Static diagnosis: |
10 | Diagnosis overflow: |
11 | Physical fault: |
12 | Data-Exchange left: |
13 | Severe bus fault: |
14 | Telegram fault: |
15 | Station has no ressources: |
16 | Service not activated: |
17 | Unexpected telegram: |
18 | Station ready: |
31 | only for EtherCAT gateways: |
128 | Slave waiting for data transfer: |
129 | Slave waiting for configuration: |
130 | Slave waiting for parameter: |
131 | Slave waiting for baud rate: |
132 | Slave waiting for station no. from PLC: |
ExtDiagFlag:
Value |
Description |
---|---|
0 |
Diagnostic data have not changed. |
1 |
Diagnostic data have changed. Use ADS Read to read the data. |