Appendix
A.4 Technology alarms
S7-1500 Motion Control V13 Update 3
378
Function Manual, 07/2014, A5E03879256-AC
Technology alarm 323
Alarm reaction: No reaction
Restart: Not required
Alarm text
Solution
MC_Home was not executed because this would result in the
numerical value range being exceeded.
Enable the "Modulo" setting for the technology object.
Enter a valid position value for the use of MC_Home
instruction.
Technology alarm 341
Alarm reaction: Remove enable
Restart: Not required
Alarm text
Solution
Error in homing data.
The approach velocity is zero. Homing.ApproachVelocity.
Check the configuration for homing (Homing.Approach
Velocity)
The homing velocity is zero. Homing.ReferencingVelocity.
Check the configuration for homing
(Homing.ReferencingVelocity)
Technology alarm 342
Alarm reaction: Stop with emergency stop ramp
Restart: Not required
Alarm text
Solution
Reference cam / encoder zero mark was not found.
Connect a suitable device.
Check the device (I/Os).
Compare the configuration in HW Config and the tech-
nology object.