Fault 29 HW limit switches
Subfault: 29.1 Description: Positive limit switch hit | ||
|---|---|---|
| Response: HW limit switch – current drive train | |
Cause | Measure | |
Positive hardware limit switch hit. | – Check the wiring of the hardware limit switch. – Check the target position. – Leave the hardware limit switch in the opposite direction. | |
Subfault: 29.2 Description: Negative limit switch hit | ||
|---|---|---|
| Response: HW limit switch – current drive train | |
Cause | Measure | |
Negative hardware limit switch hit. | – Check the wiring of the hardware limit switch. – Check the target position. – Leave the hardware limit switch in the opposite direction. | |
Subfault: 29.3 Description: Limit switch missing | ||
|---|---|---|
| Response: Emergency stop + output stage inhibit | |
Cause | Measure | |
Positive and negative hardware limit switches hit at the same time. | – Check the wiring of the hardware limit switches. – Check the parameter settings of the digital inputs. – Check the parameter setting of the process output data. | |
Subfault: 29.4 Description: Limit switches swapped | ||
|---|---|---|
| Response: Emergency stop + output stage inhibit | |
Cause | Measure | |
The fault can be caused as follows: – The positive hardware limit switch was hit with a negative direction of rotation or – The negative hardware limit switch was hit with a positive direction of rotation. | Check whether the hardware limit switch connections are swapped. | |
