Siemens SINUMERIK 840D sl Function Manual page 721

C01707 SI Motion P1 (CU): Tolerance for Safe Operating Stop exceeded
Explanation The actual position has moved further away from the setpoint position than permitted in the stop tolerance.
The drive is stopped with message C01701 "SI Motion P1 (CU): STOP B initiated".
Remedy Check whether additional safety faults are present, and if required carry out the diagnostics for the faults
involved.
Check whether the stop tolerance matches the accuracy and dynamic performance of the axis.
Carry out a POWER ON.
This message can be acknowledged as follows without a POWER ON:
Motion monitoring functions with SINUMERIK: From the machine control panel, in the acceptance test mode
only.
C01708 SI Motion P1 (CU): STOP C initiated
Response STOP2
Acknowledg‐ IMMEDIATELY (POWER ON)
ment
Explanation The drive is stopped using STOP C (braking along the OFF3 deceleration ramp). "Safe Operating Stop"
(SOS) is activated after the parameterized timer has expired.
Possible causes:
● Stop request from the higher-level control
● Subsequent response of message C01714 "SI Motion CU: Safely-Limited Speed exceeded".
● Subsequent response of message C01715 "SI Motion CU: Safely-Limited Position exceeded".
● Subsequent response of message C01716 "SI Motion CU: Tolerance for safe direction of motion
exceeded".
See also: p9552 (SI Motion transition time STOP C to SOS (SBH) (Control Unit))
Remedy Remove the cause of the fault on the control.
Carry out diagnostics for message C01714/C01715/C01716.
This message can be acknowledged as follows:
Motion monitoring functions with SINUMERIK: From the machine control panel.
C01709 SI Motion P1 (CU): STOP D initiated
Response NONE
Acknowledg‐ IMMEDIATELY (POWER ON)
ment
Safety Integrated
Function Manual, 12/2017, 6FC5397-4BP40-6BA1
11.3 Safety messages for SINAMICS S120
Diagnostics
721