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3. Func tional de scrip tion
The con veyor hop per is used for the au to matic con vey ance of freely flow ing plas -
tic gran ules. The hop per can only func tion in con nec tion with a vac uum con veyor
plant.
The hop per works with out a fil ter. De pending on the type of valve, the shut-off
valve of the vac uum line is op er ated with com pressed air (com pressed-air valve)
or with the vac uum air (di a phragm valve).
On the hop per, there is a sep a rate on/off switch (A) and a func tion con trol ling de -
vice which in di cates the fol low ing op er a tional modes:
(B): lamp on - hop per switched on at the on/off switch (A); lamp flashes - the hop -
per is con vey ing
(C): lamp flashes - er ror
(D): lamp is on - hop per sig nals lack of ma te rial
016-3MS
SSK-3
Func tional de scrip tion 15
Con nec tion hous ing hop per
B
A
C
D