F
E
D
C
B
A
PE
G
H
I
K
L
M
Cabinet
side
Connector
Mating
connector
Valve
side
Valve electronics with supply voltage
±
15 VDC and 11+1 pole
bayonet connector
Alternate connector for certain valve models
a.
Command input
Command signal 0 to
±
10 V
The spool stroke of the valve is proportional to (U
D
– U
E
). 100% valve
opening P
➔
A and B
➔
T is achieved at (U
D
–U
E
) = +10 V. At 0 V command
the spool is in the center position.
The input stage is a differential amplifier. If only one command signal is
available, pin D or E is connected to signal ground (pin C) according to
the required operating direction (to be done at the mating connector).
Command signal 0 to
±
10 mA
The spool stroke of the valve is proportional to (I
D
– I
E
).
100% valve opening P
➔
A and B
➔
T is achieved at (I
D
– I
E
) = +10 mA. At 0 mA
command the spool is in the center position. Either pin D or E is used according
to the required operating direction. The unused pin is left open (not connected at
the mating connector). The input pins D and E are inverting.
Command signal 4 to 20 mA
The spool stroke of the valve is proportional (I
D
–12 mA). 100% valve
opeming P
➔
A and B
➔
T at I
D
= 20 mA. At 12mA command the spool is
in the center position.
The unused Pin E is left open (not connected in the mating connector).
b.
Monitoring output
The actual spool position value can be measured at pin F.
This signal can be used for monitoring and fault detection purposes.
Command signal 0 to
±
10 V
The spool stroke range corresponds to
±
10 V.
+10 V corresponds to 100% valve opening P
➔
A and B
➔
T.
Command signal 0 to
±
10 mA
The spool stroke range corresponds to
±
10 mA.
+10 mA corresponds to 100% valve opening P
➔
A and B
➔
T.
Command signal 4 to 20 mA
The spool stroke range corresponds to 4 to 20 mA.
20 mA corresponds to 100% valve opening P
➔
A and B
➔
T.
Please note "General Requirements" on page 6.
ATTENTION
Connector Wiring
- Type code
V
(see sticker on the electronics housing)
7
+ 15 VDC
±
3%, ripple <50 mV
pp
+ 15 VDC
±
3%, ripple <50 mV
pp
Current command
Voltage command
Supply
Supply
Supply/signal ground
Input command
valve flow
Input inverted command
valve flow
Output actual value
spool position
Function
Protective ground
( 0 V )
24 VDC, max. 0,5 A. For inductive loads a corresponding commutating diode is necessary.
The relay contact opens and the pilot stage is disconnected when supply voltage becomes less than 12 V
(thus also in case of cable break). The spool then moves to the determind position without electric
supply. Cable break of the
⊥
wire is not monitored.
Monitoring output of
internal position
controller
Not used
Not used
Relay output
Leading pin of valve connector
0 to
±
10 mA
Load resistance 400
Ω
4 to 20 mA
Load resistance 200
Ω
not used
0 to
±
10 mA
Load resistance 400
Ω
0 to
±
10 V
Input resistance 100 k
Ω
0 to
±
10 V
Input resistance 100 k
Ω
0 to
±
10 mA
Load resistance max. 500
Ω
4 to 20 mA
Load resistance max. 500
Ω
0 to
±
10 V
Output resistance 100 k
Ω
Current command
Valves with 11+1 pole bayonet connector to MIL C-26482-14-12 with leading protective grounding connection (K)
Mating connector: metal shell, Order-No.: B97027 012.
Not used
