Bürkert eCONTROL 8611, Quick Start Manual, Page: 20 / 142

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
english
Type 8611