Burkert 8691 - Electrical Data, Büs; Mechanical Data; Safety End Positions

17
Technical data
6.5.2.2 Electrical data, büS
Protection class 3asperDINEN61140(VDE0140-1)
Connection Circular plug-in connector M12 x 1, 5-pin
Operating voltage
18–30VDC(accordingtospecication)
Max. current consumption 120mA@18V(incl.inrushcurrentpilotvalvefor200ms)
Current consumption input during
normal operation
95mA@18V
(after current reduction,
pilotvalveafter200ms
and 1 end position reached)
6.6 Mechanical data
Dimensions See data sheet
Body material
exterior: PPS, PC, VA
Seal material
external:
internal:
EPDM
NBR
Stroke range of valve spindle 2–47 mm
6.6.1 Safety end positions
Safety end positions after failure of the electrical or pneumatic auxiliary power:
Actuator system Designation Safety end positions after failure of the auxiliary
power
electrical pneumatic
up
down
single-acting
control function A
down down
up
down
single-acting
control function B
up up
up
down
double-acting
control function I
down
notdened
Table 1: Safety end positions
english
Type 8691, Rev. 2