Alarm is signaled:

q_xAlrm = TRUE

q_wAlrmId bit 0 = TRUE

An alarm has been detected for an unexpected input signal combination. (q_wLsStat)

oCheck the position of movement in regards to the limit switch signals indicated by the LimitSwitch_AR function block.

oClear the alarm signal or reboot the system (Power OFF and Power ON).

oIn the case of incorrect position signals, set the input to TRUE for intermediate operation and verify the wiring or limit switch sensors.

Alarm is signaled:

q_xAlrm = TRUE

q_wAlrmId bit 1, 2, 3, 4 = TRUE

Incorrect parameterization of the FB.

Correct the input parameters.