Základní přehled polohových spínačů ...
Poznámky redaktora
M98.M98. Insert theside the Limit
Switch turnbuckle, and the other side the cable extremity spring. The use those apparatus involve the respect following standard: 1088, 292, 954-1
LS3.P98-SCR series: maximum
LS4..P98-SCR series:
LS4.
b) Pull the cable with force, the blue reset button change position and operate the emergency stop the machine with latching of
the safety system.. travel (maximum travel): distance between
the starting position and the max.C.
§ Minimum travel for arming the safety system and
3 obtain the starting position under the effect
of force F...
C Distance between the starting position and
the free position the cable breaks.
| Starting position (green mark): the safety system
-21-22 pulling the blue reset button...
c) order switch again the device, please come back point and repeat the operation (if necessary). travel position: maximum acceptabletravel
position the switch actuator (ring plunger). 1). Pull the blue reset button arm the safety system and close the safety contacts.-SCR and LS6..C. travel posi
tion L.
2.M98-SCR series:
L maximum
L maximum
LS3.
o L
Installation
To obtain the right operation the apparatus, please follow carefully below instructions:
1..M98-SCR series: maximum
End spring
G maximum
G 3^5 maximum
-----------1 1------------1------------ 1-----------1 1------------
G
I
G
J
« G
J I
« ^
ikllll
49
1SBC141157C0202
.. Check that the apparatus operate correctly before switch the machine following the below test procedure :
a) pull slowly the cable, the blue reset button doesn’t change position but the N.
4. order have the cable correctly guided, fix tightly the apparatus and the cable support rigid elements..8 Nm. The inside contacts the Limit Switch will always change position each time the cable will operated (by pulling) shown the above
diagram..Safety Limit Switches with Pulling Cable for
Emergency Stop with Latching and Manual Reset
Travel and Operating diagrams and Installation
Starting position
(green mark)
Po Co
Cable traction
Cl
21-22
13-14-
F Ces
StPl ,
F1
A
R R1
Ces’
1
F
Cl -
Contacts position
21-22 Contact closed
21-22 Contact open
Contacts identification (example)
Po Free position: position the switch actuator
(ring plunger) when external force exerted
on it..-SCR and LS3.
Cp Positive opening travel: minimum travel the
switch actuator (ring plunger), from the starting
position, ensure the positive opening opera
tion the normally closed contact (N.
3.
'13-14 Max. contact open and operate the "normal" stop the
machine. Put the cable tension byusing the turnbuckle tillthe green
mark appear the metal plunger the extremity the red head (fig.-SCR and LS3. When the head well place, re-screw the screws with tightening torque 0.
C Max.M98. necessary, according the Limit Switch position turn the head unscrewing the fixing screws oder that the blue reset button become
accessible.).
5.
6.-SCR and LS6.
Ces, Ces’ Emergency Stop and Latching travel: minimum
travel obtain the emergency stop and the
mechanical latching the safety system under
the effect force F1.
Pp Positive opening position: position switch
actuator (ring plunger) from which positive
opening ensured.M98
