Festo CPX-CMAX-C1-1, Mounting, Installation And Diagnostics

Page: 41 / 176

2. F itti ng and p ne u ma ti c i ns t a ll a tio n
2 − 11
Fes to P . B E − C PX− CMA X−S Y S− EN en 0908N H
Note
If th e po s itio n i ng r ange of th e d riv e i s lo nge r th an th e
e ff ec tiv e s tro ke of th e d i s pl acemen t enc o de r :
·
Li m it th e po s itio n i ng r ange u s i ng s ho ck abs or be r s or
s top s , s o th a t th e po s itio n meas uri ng s y s t em c ov e r s th e
c o m pl e t e po ss i b l e po s itio n i ng r ange . I n thi s w a y you can
prot ec t th e d i s pl acemen t enc o de r fro m damage .
Ext e r na l pot en tio me t e r po s itio n meas uri ng s y s t em
If ana lo g u e d i s pl acemen t enc o de r s a r e u sed ( e . g . typ e
ML O−PO T − ...), th e followi ng a ppli es:
I n c o mb i na tio n with th e CMA X , an e l ec tri c r ese rv e of
ţ
0.3%
of th e n o m i na l l eng th i s r eq uir ed a t b oth end po s itio ns ( d o es
n ot a pply for th e i n t eg r a t ed s y s t em i n th e case of DS MI).
Ex am pl e:
No m i na l l eng th of th e d i s pl acemen t enc o de r : 1000 mm
El ec tri c e ff ec tiv e l eng th : Approx. 1006 mm
}
Pe r m i ss i b l e e ff ec tiv e p a th : 0 ... 1000 mm
If th e s li de of th e d i s pl acemen t enc o de r l ea v es th e
p e r m i ss i b l e e ff ec tiv e p a th, th e CMA X will gene r a t e a
c orr es po nd i ng e rror message . To a voi d th ese e rror messages ,
li m it th e po s itio n i ng r ange s o th a t th e s li de of th e d i s pl ace
men t enc o de r i s a lw a y s withi n th e p e r m i ss i b l e e ff ec tiv e p a th.