Festo — SFAB-...-PNLK — 2022-08
Product overview
11
4.2.3
Switching outputs
4.2.3.1
Switching functions
Threshold value comparator
Function
N/O (normally open)
N/C (normally closed)
Switching function:
–
1 switching point (SP)
TEACH mode:
–
2 teach points (TP1, TP2)
–
SP = ½ (TP1 + TP2)
Tab. 4: Threshold value comparator
Window comparator
Function
N/O (normally open)
N/C (normally closed)
Switching function:
–
2 switching points (SP.Lo,
SP.Hi)
TEACH mode:
1)
–
2 teach points (TP1, TP2)
–
TP1 = SP.Lo, TP2 = SP.Hi
1) SP.Lo = smaller value, SP.Hi = larger value, independent of the teach sequence
Tab. 5: Window comparator
2-point threshold value comparator
Function
N/O (normally open)
N/C (normally closed)
Switching function:
–
2 switching points (SP.Lo,
SP.Hi)
TEACH mode:
1)
–
2 teach points (TP1, TP2)
–
TP1 = SP.Lo, TP2 = SP.Hi
1) SP.Lo = smaller value, SP.Hi = larger value, independent of the teach sequence
Tab. 6: 2-point threshold value comparator
