Schuhmacher Technologies & Hydraulics GmbH
About us
Schuhmacher Technologies & Hydraulics GmbH
Your partner for high-quality hydraulic solutions and components.
We offer first-class hydraulic components and innovative solutions to optimize your systems. Our range includes:
Hydraulic components: pumps, motors, valves, proportional valves, filters and filter elements.
Condition Monitoring & Fluid Management: oil quality sensors, particle counters, moisture sensors, oil service devices and bypass filter systems.
Control and regulation technology: power amplifiers, position controls, synchronization controls, PID and pressure controllers as well as pump controls (as general representative of WEST Elektronik GmbH).
We stand for quality, reliability and first-class service. Contact us for tailor-made solutions!
As a proud general representative of WEST Elektronik GmbH, we also present you with an impressive range of power amplifiers, position controls, synchronization controls, PID and pressure controllers as well as pump controls. These state-of-the-art solutions enable you to precisely control and monitor your hydraulic systems.
At Schuhmacher Technologies & Hydraulics GmbH, we focus on quality, reliability and first-class customer service. Trust in our many years of experience and expertise to meet your hydraulic requirements. Contact us today to find customized solutions for your company.
About W.E.St. Elektronik GmbH
W.E.St. Elektronik GmbH is a leading company that specializes in the development and manufacture of electronic controls and regulations for proportional valves in hydraulic systems. Their products are universally applicable and support a variety of brands and applications. The company offers a uniform electronic solution that is tailored to the various requirements of hydraulic valves.
**Many years of experience and team competence**
With over 20 years of experience in electrohydraulics, W.E.St. Elektronik GmbH has developed a solid know-how that is continuously expanded with new members and skills. A team of eleven employees takes care of all areas, from design and production to procurement and customer support. The company relies on short communication channels and efficient processes under the motto "Everything under one roof".
**Customer proximity and flexibility**
The company attaches great importance to direct customer contact without time-consuming waiting times. In addition to technical support with product selection, training and system consulting, W.E.St. Elektronik GmbH offers comprehensive after-sales support, including commissioning and support during ongoing operations. Particular emphasis is placed on the development of customer-specific solutions, ranging from pre-configured devices to fully customized derivatives.
**Technology and platform approach**
The technology of W.E.St. Elektronik GmbH is platform-based and combines hardware and software designs in an optimized structure. The product range is reduced to a few basic modules, which are kept in stock in large quantities. This guarantees high availability and short delivery times. A uniform code library ensures consistency in configuration methods and functional routines, which enables new products to be introduced quickly.
**Supply chain and quality control**
The W.E.St. Elektronik GmbH maintains long-term relationships with regional suppliers, which shortens transport routes, reduces global dependencies and increases flexibility and speed in new developments. All products are programmed, assembled and tested in-house. This ensures 100% quality control before the products leave the company.
**Summary of strengths**
- Specialization in electronic controls for hydraulic systems.
- More than 20 years of experience and a flexible team.
- Customer proximity through direct contact and comprehensive support.
- Platform-based technology for fast delivery times and reusability.
- Sustainable supply chain and the highest quality standards.
W.E.St. Elektronik GmbH stands for innovation, reliability and tailor-made solutions in the world of electrohydraulics.
Products & services
Digital pressure controller with integrated power amplifier, commissioning wizard and IO-Link interface
The MDR-339-P-IO is an innovative digital pressure controller that is equipped with an integrated power amplifier, a commissioning assistant and an IO-Link interface. Typical applications: Pressure control in conjunction with proportional pressure valves and servo pumps. Speed control using analogue speed sensors (tacho). Digital setpoint specification, parameterization and monitoring via IO-Link. Advantages: Versatile control circuits: Control of either one or two control circuits possible, can be used flexibly for various applications. Efficient commissioning: The commissioning assistant makes commissioning easier and helps optimize the settings. Optimal overall solution: Integrated power amplifiers ensure an optimal and efficient overall solution. Simple parameterization and monitoring: Convenient parameterization and monitoring either via IO-Link or WPC (USB interface). Data availability and diagnostics: Sensor signals and diagnostic data are easily accessible via IO-Link, which eliminates the need for analog inputs on the PLC. Technology and integration: The MDR-339-P-IO is ideal for applications that require precise and reliable pressure and speed control. With its advanced technology and integration, this pressure regulator offers a comprehensive solution for diverse industrial needs.
The new dual-plug amplifier PAM-392-P from WEST Elektronik GmbH
**Power Amplifier: Features and Benefits** A power amplifier is essential for the precise control of proportional valves, particularly in applications requiring high reliability and flexible adjustments. This compact and cost-effective amplifier is specifically designed for directional valves with two solenoids and is suitable for numerous industrial applications. **Compact Design and Easy Integration** The device is housed in a DIN EN 175 301-803 connector and mounted directly onto the valve. An M12 cable connection and an additional valve connector enable quick and seamless integration into existing systems. **Flexibility and Current Regulation** It supports input signals such as +/- 0…10 V or 4…20 mA. The regulated output current (up to 2.6 A) operates reliably, regardless of supply voltage or coil resistance. **Easy Configuration** The amplifier can be configured via USB Type Mini 2.0, LIN bus, or a programming adapter (ULA-310). The WPC software allows intuitive adjustment of key parameters such as RAMP, MIN/MAX, output current, and DITHER. **Safety and Monitoring Features** The short-circuit-proof output stage monitors for wire breaks and automatically shuts down in case of errors. This enhances operational safety, even in critical applications. **Characteristic Curve Adjustment** The valve characteristic curve can be linearized with up to 21 XY points, ensuring a linear relationship between input signal and output pressure, for example, in pressure valves. **Versatile Applications** The amplifier is compatible with proportional valves from manufacturers such as BOSCH REXROTH, BUCHER, DUPLOMATIC, and PARKER, making it highly versatile. **Conclusion** With its compact design, flexible configuration options, and high compatibility, the power amplifier is an efficient solution for the precise control of proportional valves in industrial applications.
Power amplifier PAM-199-P
### Product Description – Universal Power Amplifier PAM-199 The PAM-199 module is designed for controlling directional valves with two solenoids or one/two independent pressure and throttle valves, each with one solenoid. With a variety of adjustable parameters, it offers optimal adaptation to different valves. The integrated power amplifier, featuring a cycle time of just 0.125 ms, ensures a robust, space-saving, and cost-effective solution. **Key Features:** - **Modes 195/196/197:** Configurable for directional, throttle/pressure, or proportional valves. Controlled via analog signals (+/- 10 V, 0…10 V, 4…20 mA with cable break monitoring). - **Flexibility:** Up to eight setpoints and ramps selectable via digital inputs. - **Regulation & Protection:** Output current independent of power supply and solenoid resistance. Short-circuit proof, with cable break monitoring and automatic power stage shutdown in case of faults. - **Advanced Parameterization:** Programmable RAMP, MIN/MAX, DITHER (frequency/amplitude), PWM frequency, and valve characteristic linearization via 10 setpoints. **Typical Applications:** Control of directional, throttle, and pressure valves from all leading manufacturers (e.g., Bosch Rexroth, Bucher, Parker). Particularly suitable for applications requiring high precision and flexibility. **Specifications:** - One module for all applications - DNV GL certification for maritime use - Compact design with reproducible digital settings - Analog and digital inputs, freely scalable - Fault diagnostics and advanced functionality monitoring - Parameterization via WPC software With an output current of up to 2.6 A and user-friendly configuration, the PAM-199 is the ideal solution for versatile proportional valve control systems.
Universal pump and valve control module PQP-179-P-PFN
### Product description - Universal pump control module PQP-176-P The PQP-176-P module offers a versatile solution for the swivel angle, pressure and power control of variable displacement pumps. It supports the control of directional valves with one or two magnets, including valves with integrated electronics. An internal slide position controller also enables precise control of valves with electrical feedback. **Functions and features:** - **Control structures:** Cascade control, suitable for pumps from various manufacturers. Supports swiveling above zero with pressure and power limiting signal from a second pressure transmitter (closed circuit) or active pressure reduction in the open circuit (mooring operation). - **Communication:** Setpoint specification and control are carried out via Profinet, current process data and status information are reported back. - **Flexible signal inputs:** Analog signals (0...10V or 4...20mA) freely scalable to adapt to individual requirements. **Extensions:** The module can be combined with the LDT-401 module to read additional values such as swivel angle or slide position via the backplane bus. **Reliability:** The regulated output currents are independent of the power supply and magnetic resistance. Short circuit and cable break monitoring ensures safety; in the event of errors, the output stages are switched off. **Easy to use:** The module impresses with intuitive, problem-oriented operation and a short training period. Parameterization is carried out conveniently via the WPC-300 software or Profinet. **Typical applications:** - Swivel angle control - Pressure and power control - Master-slave control for several pumps **Special advantages:** Universally applicable, ideal as a replacement for OEM cards such as Rexroth VT-VPCD. Optimized control functions and reproducible settings make the PQP-176-P the ideal solution for versatile control tasks.
Digital positioning unit POS-321-P
### Product description - Electronic module for hydraulic positioning drives This electronic module was specially developed for controlling cost-effective hydraulic positioning drives that use proportional valves without integrated electronics and piston position measurement. It offers optimized control functions for path-dependent braking and the NC control mode, with high accuracy and stability. **Main functions and features:** - **Control modes:** Control of the movement cycle via external position and speed specifications. Particularly robust and easy to parameterize in SDD mode, in NC mode via internal profile generator with constant speed. - **Optimized commissioning:** The integrated ACA function (Automatic Commissioning Assistance) scales the sensor, measures the valve and automatically adjusts the control parameters. - **Flexibility:** Simple script programming enables the input and output signals as well as the functionality to be adapted to special requirements. - **Intuitive parameterization:** Supported by the WPC-300 software, including a software wizard for quick commissioning and troubleshooting. **Areas of application:** The module is suitable for general positioning drives, process valve controls, fast transport drives, handling systems, speed-controlled axes and copy controls. **Technical highlights:** - Analog position and speed setting - Support for analog position sensors - Integrated power output stage - Internal profile definition (acceleration, speed, deceleration) - Path-dependent braking principle for the shortest stroke times - Error diagnostics and optimized parameter settings Thanks to its flexible configuration options, automated functions and precise control technology, this module is the ideal solution for versatile hydraulic applications.
Two-axis positioning and synchronization control module POS-124-U
This electronic module was developed to control two hydraulic positioning axes. Both axes can be controlled completely independently or in synchronism via a field bus. The differential outputs are designed to control continuous valves with integrated or external electronics (differential input). Alternatively, the output signal can be parameterized to 4…20 mA. The module is intended for the connection of analogue position sensors 0…10 V or 4…20 mA (scalable) or digital SSI position sensors. The internal monitoring signals errors and operating states to the higher-level control. Operational readiness is signaled via a switching output. Typical applications: positioning controls or synchronous controls with hydraulic axes. Features • Two independent positioning axes • Can be combined for synchronization control • Setpoint specification, actual value feedback, control byte and status byte via a fieldbus interface • SSI sensor interface or analog sensor interface (0… 10 V or 4… 20 mA) • Simple and user-friendly scaling of the sensors • Speed resolution 0.005 mm/s • Principle of path-dependent braking for robust positioning • Highly precise positioning • Advanced control technology with PT1 controller, drift compensation and fine positioning • Superimposed synchronization controller as PT1 (optimal for hydraulic applications) • Optimal use with zero-cut control valves • Master / slave or mean value control • Error diagnostics and advanced function testing • Simplified parameterization with WPC-300 software
Universal axis control module (position control and pressure control) UHC-126-U
This electronic module controls hydraulic axes via an integrated fieldbus interface. It supports position control with digital position measurement (SSI interface) or analog sensors, as well as autonomous or alternating force or pressure control. Setpoints and control signals are sent via the fieldbus, while status and actual values are reported back. The differential output is designed for continuous valves, and the system monitors errors and states internally. A READY message is available via fieldbus and hardware output. Parameterization is carried out via USB and the WPC-300 software with oscilloscope function or alternatively via the bus interface. Typical applications include positioning drives, transport axes, handling axes, forming machines and feed drives. **Features:** - Fieldbus: Setpoint specification, actual value feedback, control and status byte - Sensors: SSI (resolution up to 1 µm) or analog (0…10 V, 4…20 mA) - Modes: Path-dependent braking, NC mode with profile generator, rapid/creep speed - Pressure controller: Alternating pressure or force controller - Control technology: PT1 controller, drift compensation, fine positioning, feedforward control, acceleration feedback - Optimized for proportional valves with zero-cut control - Diagnostics and extended functional testing - Parameterization with WPC-300 for simplified setup This module is ideal for precise and fast hydraulic applications with extended error diagnostics and optimized control technology.
Plug amplifier for proportional valves with IO-Link interface PAM-190-P-IO
This compact and inexpensive power amplifier is designed to control proportional valves with a magnet. This amplifier in the connector housing is mounted directly on the valve. The device is designed for control and parameterization via I/O link and has a port Class B. The output current is regulated and therefore independent of the supply voltage and the magnet resistance. This module can be adapted to proportional valves from various manufacturers via the free parameterization of the power output stage. Typical applications: Current-controlled control of throttle or pressure valves as well as general inductive loads. Features • Power amplifier for proportional valves in a DIN EN 175 301-803 A connector housing • I/O – Link Port Class B, with internal galvanic isolation of the additional supply voltage • Complies with specification V1.1, data rate COM3 = 230.4 kBaud • Digital, reproducible settings • Can also be used as a soft switch amplifier (soft switching on and off) • M12 connector • Can be parameterized via I/O - Link • Free setting of ramps, MIN and MAX, dither (frequency, amplitude) and PWM frequency • Output current up to a maximum of 2.5 A, parameterizable • Adaptable to all standard proportional valves
Power amplifier with position control for valves with position feedback PAM-198-P
This module is used to control the slide position in proportional valves with electrical feedback. Various setting parameters enable optimal adaptation to the respective valve. The control circuit works with a control cycle time of 1 ms and the integrated power output stage with a cycle time of 0.125 ms for the solenoid current control. The setpoint and the actual value are read in via freely scalable analog inputs (range 0... 10V or -10V...10V or 4... 20mA). The output current is regulated and therefore independent of the supply voltage and the solenoid resistance. The output stage is monitored for cable breakage and switches off the output stage in the event of a fault. The operation is simple and problem-oriented, which ensures a very short training period. Features • Position control for proportional directional valves • Compact design • Digital reproducible setting • Freely scalable analog inputs • PID controller with pre-control • Control of continuous valves with one or two magnets • Free parameterization of ramps, MIN and MAX, dither (frequency, amplitude) and PWM frequency • Characteristic curve linearization • Output current can be parameterized up to 2.6 A • Application-oriented parameterization • Error diagnostics and extended function testing • Setting via USB with WPC-300 software
Intelligent and individual axis coordination with the POS-324
Intelligent and individual axis coordination with the POS-324 The new POS-324-U-PFN expands upon the proven POS-124-U-PFN with intelligent axis coordination, individual script extensions, expanded PROFINET communication capabilities, and an integrated simulation mode. In addition to the established synchronous control, which enables precise and synchronous movement of both axes on the same plane, the following new functions are available: FlexiMod allows for the implementation of additional script-based functions. Furthermore, intelligent axis movement is now possible, enabling the simultaneous achievement of the desired target position for both axes, regardless of the path profile. Additionally, the application can be qualitatively tested in a simulation mode on the device. Finally, PROFINET communication is now expandable to 64 bytes. Two axes positioning and synchronization control module withintegrated fieldbus interface SSI and analog sensor interface, selectable. With option for flexible function expansion (FlexiMOD). Typical applications: Positioning control or synchronization control with hydraulic axes. • Two independent positioning axes • Can be combined for synchronized control • Command position value parameter, actual value response, control bytes and status bytes via integrated fieldbus interface • SSI-Sensor interface or analog sensor interface (0….10V or 4…20mA) • Simple and user-friendly sensor scaling • Speed resolution of 0.005 mm/s • Principle of stroke-dependent deceleration for the shortest positioning time or NC profile generator for constant speed • Highly accurate positioning • Advanced position control with PT1 controller, Drift compensation and Fine positioning • Superimposed synchronization controller with PT1 (optimal for hydraulic applications) • Optimal use with zero lapped control valves • Synchronization control in Master / Slave or average value mode • Synchronisation with linear interpolation / gear function selectable
News
Duo plug amplifier PAM-392-P from WEST Elektronik GmbH
2 solenoid coils with a plug amplifier e.g. for 4/3-way valves
Intelligent and individual axis coordination with the POS-324
The new POS-324-U-PFN extends the proven POS-124-U-PFN with intelligent axis coordination and individual script extension, Profinet communication expansion and integrated simulation mode.
New Products 2026
Discover our latest solutions for your hydraulic controls!