5 Druck- und Differenzdruckregler Controllers for ... - Bosch Rexroth

5
158 Industrial Hydraulics
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Specifications
PCB Format (100 x 160 x approx. 35) mm (W x L x H), Europe format with front plate
(7 modular spacings)
Plug connection Plug to DIN 41 612-F32
Ambient temperature 0 °C ... +70 °C; storage temperature min. –20 °C, max. +70 °C
Power supply UB to z2–b2 24 V DC nominal
battery voltage 21 ... 40 V
Rectified AC voltage Ueff = 21 ... 28 V
(single-phase, full-wave rectification)
Smoothing capacitor, 4700 µF/63 V DC, only required if UB ripple > 10%
connected separately to b4, z4
Current rating 250 mA max.
Setpoint signal Q b20: 0 ... ±10 V
z20: 0 V
Difference amplifier
(Ri = 100 kΩ)
Setpoint signal pdiff
z10: 0 ... ±10 V
z12: 0 V � Difference amplifier
Feedback signal from
pressure sensor
A b26: 0 ... +10 V
b28: 0 V � Difference amplifier
b24:
b30:
4 ... 20 mA
B b16: 0 ... +10 V
b18: 0 V � Difference amplifier
z14:
z30:
4 ... 20 mA
Power supply for pressure sensors z6: +15 V, max. 100 mA
z8: –15 V, max. 100 mA
Pressure controller OFF b10: 6 ... 40 V DC
External controller signal z24: 24 V/0.1 A max., if controller not operative
Signal source External potentiometer 10 kΩ
±10 V supply from b32, z32 (10 mA) or external signal source
Monitor signal Ffeedback
z16: ±10 V
Error, pressure sensor b22: no fault: +UK; max. 100 mA
(open circuit in signal lines) b22: fault: 0 V
b22: LED “Ramp off A” and
“Ramp off B” flash
Ramp times min. 350 ms (1)
max. 5.6 s (16)
16 stages
� 350 ms/stage
Ramp OFF A z22: 6 ... 40 V DC
B z26: 6 ... 40 V DC
Surface area adaptation, cylinder min. 1:1 (1)
max. 1:4 (16) � 16 stages
LED-displays red: fault UB
red: ramp OFF A
red: ramp OFF B
green/yellow: green, controller operative
yellow, controller not operative
off, controller OFF
Important! Connect power zero b2 and control zero b12, b14 or z28 separately to central ground (neutral point).
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