Brochure

56
5 5
Limit switches
OsiSense XC
General
Contact blocks (continued)
Functional diagrams of snap action contacts
b Example: NC + NO
A - Maximum travel of operator in millimetres or degrees.
B - Tripping travel of contact.
C - Resetting travel of contact.
D - Dierential travel = B - C.
P - Point from which positive opening is assured.
v Linear movement (plunger)
1 - Resetting point of contact.
2 - Tripping point of contact.
A - Maximum travel of operator in millimetres.
B - Tripping travel of contact.
C - Resetting travel of contact.
D - Dierential travel = B - C.
P - Point from which positive opening is assured.
v Rotary movement (lever)
1 - Resetting point of contact.
2 - Tripping point of contact.
A - Maximum travel of operator in degrees.
B - Tripping travel of contact.
C - Resetting travel of contact.
D - Dierential travel = B - C.
P - Point from which positive opening is assured.
Functional diagrams of slow break contacts
b Example: NC + NO break before make
A - Maximum travel of operator in millimetres or degrees.
B - Tripping and resetting travel of contact 21-22.
C - Tripping and resetting travel of contact 13-14.
P - Point from which positive opening is assured.
v Linear movement (plunger)
1 - Tripping and resetting points of contact 21-22.
2 - Tripping and resetting points of contact 13-14.
A - Maximum travel of operator in millimetres.
B - Tripping and resetting travel of contact 21-22.
C - Tripping and resetting travel of contact 13-14.
P - Positive opening point.
v Rotary movement (lever)
1 - Tripping and resetting points of contact 21-22.
2 - Tripping and resetting points of contact 13-14.
A - Maximum travel of operator in degrees.
B - Tripping and resetting travel of contact 21-22.
C - Tripping and resetting travel of contact 13-14.
P - Positive opening point.
B
C
0
D
21 - 22
13 - 14
21 - 22
13 - 14
A
P
Tripping
Resetting
D
B
A
0
1
2
P
C
max.
A
B
D
P
2
1
C
21 - 22
13 - 14
A
0
B
P
C
Tripping and
Resetting
B
C
A
0
1
2
P
max.
A
C
B
P
1
2
Contact blocks (continued)