STOBER
12 | Diagnostics
05/2019 | ID 442790.01
153
12.2.19
Event 51: Virtual master limit switch
The possible effects depend on the configured level (U24).
§
0: Inactive
§
1: Message
§
3: Fault
The drive controller is interrupted if:
§
A29 = 0: Inactive for STOBER device controller
or
§
A540 = 0: disable drive, motor is free to rotate for CiA device controller
Response:
§
The power unit is disabled and axis movement is no longer controlled by the drive controller
§
The brakes are no longer controlled by the drive controller and engage in the event of an inactive release override
(F06)
The drive controller is interrupted with a quick stop if:
§
A29 = 1: Active for STOBER device controller
or
§
A540 = 2: slow down on quick stop ramp for CiA device controller
Response:
§
The axis is stopped by a quick stop; meanwhile, the brakes are controlled by the drive controller and remain released
§
At the end of the quick stop, the power unit is disabled and axis movement is no longer controlled by the drive
controller; the brakes are no longer controlled by the drive controller and engage in the event of an inactive release
override (F06)
Number
Cause
Check and action
1: SW-limit switch positive
–
2: SW-limit switch negative
End of the travel range reached
Move in the travel range in the direction
opposite the limit switch
Travel range too small
Check the positions of the software limit switch
and correct them if necessary (G146, G147)
3: +/- 31 bit computing limit
reached
Computing limit of the data type
reached
Check the command sequences for multiple
successive commands without a breakpoint 3:
MC_MoveAdditive and the number of decimal
places of the axis model and reduce them if
necessary (G46)
Tab. 165: Event 51 – Causes and actions
