Bosch RKP-PQ
Bosch RKP-PQ
Bosch RKP-PQ
Bosch RKP-PQ
Bosch RKP-PQ
Bosch RKP-PQ
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RKP-PQ

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The Bosch RKP-PQ is a p/Q closed-loop control amplifier, identified as material 0 811 405 110 and type VT-VPRAP1-540-10/V0, for pressure and flow regulation with RKP radial-piston pump systems.
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Technical specifications for RKP-PQ

  • Manufacturer:
    Bosch
  • Part Number:
    RKP-PQ
  • Product Family:
    Bosch
  • Product Type:
    p/Q Closed-Loop Control Amplifier for RKP Pumps
  • Stock:
    1
  • Controlled Hydraulic Element:
    High-response valve with electrical position feedback
  • Pump Application:
    RKP radial-piston pump system
  • Output Stages:
    1
  • Supply Voltage:
    24 V DC nominal
  • Permitted Battery Supply:
    21 to 40 V DC
  • Permitted Rectified Supply:
    21 to 28 V AC equivalent, single-phase full-wave rectified
  • Valve Solenoid Output:
    2.7 A / 40 VA maximum for the documented size 6 configuration
  • Maximum Current Consumption:
    1.7 A
  • Typical Power Consumption:
    37 W
  • Flow Command Input:
    0 to ±10 V differential
  • Pressure Command Input:
    0 to 10 V
  • Pressure Feedback for Standard Variant:
    1 to 6 V or 0 to 10 V
  • Pressure Controller Shut-Off Input:
    6 to 40 V DC
  • Operating Temperature:
    0 to +70 °C
  • Storage Temperature:
    −20 to +70 °C
  • Dimensions:
    10.0 × 3.5 × 16.0 cm
  • Tariff Code:
    9032810000
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Control Diagnostics Integration Application
  • p/Q closed-loop control for pressure and flow regulation
  • Officially mapped to 0811405110 and VT-VPRAP1-540-10/V0
  • Designed for RKP radial-piston pump systems with high-response valves

RKP-PQ is a Bosch analog p/Q control amplifier designed for dynamic hydraulic pump and high-response-valve systems.

The card compares pressure and flow commands with sensor and valve-position feedback, then limits the valve command through a PID-based pressure-control loop.

Before installation or replacement, verify material 0811405110, the standard sensor interface, valve and pump configuration, F32 connector wiring, 24 V supply quality, saved adjustments and any predecessor-material relationship.

Availability, condition, price, and shipping time for RKP-PQ are confirmed during quotation.

Bosch RKP-PQ p/Q Closed-Loop Control Amplifier for RKP Pumps Manuals, Product Family, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Processes separate flow and pressure command values
  • Uses pressure feedback and valve-position feedback in the control loop
  • Applies PID behavior and command limiting for stable p/Q regulation
  • Indicates enable and low-supply conditions on the front panel
  • Monitors the valve position-transducer cable for an open circuit
  • Signals a pressure-sensor cable break through the pressure-status LEDs
  • Uses a DIN 41612 F32 plug-in connector and Europe-format card layout
  • Requires correct pressure-sensor signal selection for the installed variant
  • Provides external pressure-controller shut-off for machine-level control
  • Closed-loop pressure control of RKP radial-piston pump systems
  • Flow control through high-response valves with electrical position feedback
  • Dynamic and energy-saving pump adjustment in open hydraulic circuits
Description
RKP-PQ is a Bosch p/Q closed-loop control amplifier identified by material number 0 811 405 110 and type code VT-VPRAP1-540-10/V0.

The plug-in card combines high-response-valve position control with pressure feedback so an RKP radial-piston pump system can regulate flow and pressure dynamically from analog command and actual-value signals.

Before replacement, confirm the 0 811 405 110 material number, standard V0 variant, pressure-sensor interface, valve and pump combination, DIN 41612 F32 pinout, controller settings, cabinet supply, and the relationship to any earlier R927001359 installation.
Alternative Names
RKP-PQ RKP PQ RKP/PQ RKPPQ Bosch RKP-PQ RKP-PQ 0 811 405 110 RKP-PQ 0811405110
Technical notes
RKP-PQ maps to Bosch 0811405110 and VT-VPRAP1-540-10/V0. Match the standard pressure-sensor interface, valve and pump combination, pinout and tuning; treat R927001359 only as the documented predecessor mapping.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What must be matched to avoid confusing Bosch RKP-PQ with the SI or flushing-circuit variants?
Match material 0 811 405 110 and type VT-VPRAP1-540-10/V0. An /SI suffix changes the pressure-sensor interface, while a /T suffix adds a flushing-circuit option and is not the same build.
Can a 4–20 mA pressure sensor be connected directly to Bosch RKP-PQ?
Do not assume so for the standard 0811405110 variant. The documented standard interface uses 1–6 V or 0–10 V feedback; 4–20 mA is associated with the SI option and requires the correct variant or signal conditioning.
Can Bosch RKP-PQ be installed directly in place of R927001359 without an engineering check?
Bosch lists 0811405110 VT-VPRAP1-540-10/V0 as the replacement code for R927001359, but the machine owner should still verify pinout, pressure-sensor signal, valve and pump combination, settings, front-panel access and commissioning requirements.
What should be investigated if Bosch RKP-PQ causes pressure hunting after replacement?
Compare Kp, Ki and Kd settings, pressure-sensor range and polarity, valve position feedback, leakage-oil compensation, flow-command scaling, hydraulic air or contamination, and the original card adjustments before retuning the loop.
What does simultaneous pressure-status LED flashing on Bosch RKP-PQ indicate?
The documented p/Q amplifier behavior associates both yellow LEDs flashing with a pressure-sensor cable break. Inspect the sensor supply, signal conductors, shielding, connector pins and sensor output before returning the machine to service.
How should supply ripple be handled when installing Bosch RKP-PQ?
Use a stable nominal 24 V supply and assess ripple under valve load. Bosch recommends the VT 11110 capacitor module when supply ripple exceeds 10 percent, with grounding returned to the defined central neutral point.
Which components are normally separate from Bosch RKP-PQ?
Treat the offer as the amplifier card unless stated otherwise. The VT 3002 card holder, pressure sensor, high-response valve, RKP pump, smoothing capacitor, field cables and calibrated machine settings may all be separate items.

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