Page 234 - Bürkert

Connection options Type 8686
24V DC Cable gland

Description on circuit board Configuration
24V Bot2 End positions below- Bot actuator2
GND Top2 End positions above- Top actuator2
Valve1 13,5
Valve2 Bot1 End positions below- Bot actuator1
Top1 31,7 Top1 End positions above- Top actuator1 8685 / 8686
Bot1
Top2 Valve2 Valve control Y2+ (actuator 2 operated)
675105
Valve1 Valve control Y1+ (actuator 1 operated)
Bot2
GND
14,6 Power supply
24VDC Operating voltages +
14,1

AS-Interface - Type 8685 and 8686

Pin 4: Pin 3: ˘Ø 90,8
NC Bus –

Pin 1: Pin 2: 6
Bus + NC 17,1
Control head Type 8686 Feedback head Type 8685
115,4

14,6
Ex i (NAMUR)

Description on circuit board Description
TOP1+ End positions above- actuator1
Y1+ Y1- Y2+ Y2-
Actuator Actuator TOP1- End positions above- actuator1
BTM1+ End positions below+ actuator1
27
BTM1- End positions below- actuator1
RV 110 70 50 RV 50 70 110
TOP2+ End positions above+ actuator2
BTM1- BTM1+ TOP2- TOP2+
TOP2- End positions above- actuator2
TOP1- TOP1+ BTM2- BTM2+
BTM2+ End positions below+ actuator2
BTM2- End positions below- actuator2
Y1+ supply line valve1
Y1- return circuit valve1
Y2+ 55,5 supply line valve2
Y2- return circuit valve2

40°
45
43,5

50,3 38 45 54,1
Ø 118

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