Burkert Type 8611 User Manual
Page 20

20
ElectricalInstallation
8.1.4. Valves connection
Circular plug-in connector M8, 4-pole
2
1
4
3
output
signal:
Pin
Color Configuration external circuit
PWM
(
MODE =
SCV)
1
brown not connected
2
white not connected
Proportional
valve
3
4
3
blue
(–) PWM
(valve2)
4
(
BO4) black
(+) PWM
(valve2)
3-point
(
MODE =
PCV)
1
(
BO3) brown
(+) Aeration
(valve 1)
NC valve
1
2
2
white
(–) Aeration
(valve 1)
3
blue
(–) Deaeration
(valve 2)
NO valve
3
4
4
(
BO4) black
(+) Deaeration
(valve 2)
output
signal:
Pin
Color Configuration external circuit
1)
4 - 20 mA
or
0 - 10 V
(
MODE =
4 – 20 /
0 – 10)
1
(
BO3)
brown
+ 24 V DC
supply
M
1
2
3
4
Supply of
8611
2
white
GND
(4 - 20 mA or
0 - 10 V)
3
blue
GND supply
4
(
AOUT)
black
+ 4 - 20 mA
or
0 - 10 V
manipulated
variable
3-point
(
MODE =
3P – T)
1
(
BO3)
brown (+) Valve 1
NC / NO valve
1
2
2
white (–) Valve 1
3
blue
(–) Valve 2
NC / NO valve
3
4
4
(
BO4)
black (+) Valve 2
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