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Characteristics
P.C.C. Format
Plug connector
Ambient temperature
Power supply U
to z 2– b 2
B
Smoothing capacitor,
connected separately to b 4, z 4
Valve solenoid A/VA max.
Current input
Power consumption (typical)
Setpoint signal Q
Setpoint signal p
Feedback signal from
pressure sensor
Pressure control OFF
External controller signal
Signal source
Output stage enable
Position
Supply
transducer
Pilot stage signal
Main stage signal
Solenoid output
b 6 – b 8
Cable
LED-displays
Special features
Fault indication
– Cable break LVDT
– U
too low
B
–
15 V stabilization
Important: Connect power zero b 2 and control zero b 12 or b 14 or z 28 separately to central ground (neutral point).
1 819 922 021/01.03
(100 x 160 x approx. 35) mm (w x l x h), Europe format with front plate
(7 modular spacings)
DIN 41 612 – F 32
Operating temperature 0 °C... 70 °C; storage temperature
24 V DC nominal
battery voltage 21...40 V
Rectified AC voltage U
= 21...28 V (single-phase, full-wave rectification)
eff
4700 µF/63 V DC, only required if U
2.7/40 (NG 6)
1.7 A
The value can rise with min. UB and long cable length to control solenoid
37 W
b 20: 0... 10 V
z 20: 0 V
(R
= 100 kΩ)
i
z 12: 0...10 V
z 10: 0 V
z 14: 1...6 V
b 16: 0... 10 V
b 18: 0 V
b 10: 6...40 V DC
z 24: 24 V/0.1 A max.
Potentiometer 10 kΩ
10 V supply from b 32, z 32 (10 mA) or external signal source
to z 16; U = 8.5...40 V, R
= 100 kΩ,
i
LED (green) on front plate lights up
b 30:
15 V/25 mA
z 30:
15 V/35 mA
b 22: 0... 10 V, R
10 kΩ/Ref. b 24
L
b 26: 0... 10 V, R
10 kΩ/Ref. b 28
L
Clocked current regulator
I
= 2.7 A
max.
Solenoid lead: up to 20 m 1.5 mm
Solenoid lead:
20 to 60 m 2.5 mm
LVDT: 4 x 0.5 mm
2
(screened)
p-sensor: 4 x 0.5 mm
2
(screened)
green: enable
yellow: cable break LVDT
red:
supply voltage too low
yellow: p-controller OFF
yellow: p-controller works
Both yellow LEDs flash: Open circuit in wire from pressure sensor
Open-circuit protection for actual value cable – LVDT
Position control with PID-action
Clocked output stage
Rapid energizing and de-energizing for fast actuating times
Short-circuit-proof outputs
External switch off for p-controller
Cable monitoring for pressure sensor
z 22; no fault:
U
; max. 100 mA
K
Fault: 0 V
8/20
ripple
10 %
B
3.7/60 (NG 10)
2.7 A
55 W
Difference amplifier
Difference amplifier
Difference amplifier
I
= 3.7 A
max.
2
2
U
B
20 °C...
70 °C
ON
Verstärker
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