AS-i Bus +
AS-i Bus -
R
1
2
3
4
5
6
7
8
9
10
11
12
Linear
Sensor
AS-i Bus +
AS-i Bus -
Z +
Z -
PELV E +
PELV E-
5 VDC
Sensor 3
GND
5 VDC
Sensor 4
GND
LED 9
LED 8
LED 7
LED 1
LED 3/4
LED 5
LED 6
LED 2
Y1
Y2
Y3
P
Cu4plus
AS-interface/ Spec. V3.
0
T
each
Service
Por
t
linear sensor (Y)
linear sensor (Y)
sensor 2 (TeachSignal)
sensor 1 (TeachSignal)
sol. valve 3
APV_CU4plus_AS-interface_UK-3_062019.indd
UK
Control Unit
CU4plus AS-interface
Instruction Manual UK-3
APV
18
4. Mechanics and Pneumatics
4.4.
Functional description - block diagrams
4.4.3. CU43plus AS-interface for DA3+SLD double seat valve
(internal position measuring system
and 2 external proximity switches)
sensor 3
sensor 4
A / exhaust
A / exhaust
P / air supply
sol. valve 1
seat lift cylinder lower valve seat
main cylinder and
integrated seat lift cylinder
upper valve seat
Y3
Y2
sensor 3
sensor 4
view X
Y3
Y2
Y1
Y1
X
sol. valve 2
