5 . B L O C K D IA GRA M
PL-L1 oclcl
-l
I
I
I
Rest sensor
End sensor
R E P
sw
Lead in
1q
1 7 7
I
L - _
_ _ _ _ l
I
1 1
3 3
4 5
Q U A R T Z
D . D . m o t o r c o n t r o l
|If End signal
D i s p l a y d r i v e r
Lowering
position
c o n t r o l
3 0 c m