Lenze i950

19.16 Safe Cam (SCA)
The funcon monitors the lower and upper posion limit.
Precondions
The following funcon must be executed:
•
Se
t upper
posion value.
•
Set lower posion value.
•
Safe homing (SHOM)
Funconal descripon
In
connecon with this funcon, please also observe the informaon with
regard to safe homing in chapter Safe homing (SHOM).^ 428
t
0
SCA
P
t
0
1
0x28D9:001
0x28D8:001
...
...
0x28D9:004
0x28D8:004
Fig. 80: SCA funcon
When this funcon is executed, the current absolute posion is compared to the posion lim-
its par
ameterised.
•
Upper posion limit parameterised (0x28D9:0010x28D9:001 ... 0x28D9:0040x28D9:004)
•
Lower posion limit parameterised (0x28D8:0010x28D8:001 ... 0x28D8:0040x28D8:004)
The status of the posion comparison is specied in a binary fashion in
0x2870:0020x2870:002, bit12 ... bit15.
The status is transmied to the safety and standard applicaon.
Acvaon of the funcon
The funcon is acvated by entry of a parameter value (≠ 0) for the upper and lower posion
limit.
Safety
funcons
Safe Cam (SCA)
432