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Contact us 

With over 300 years of engineering experience, Savery designs and manufactures high-quality hydraulic systems tailored to your needs. If you're interested in this product, fill in our contact form, and our team will be in touch.

Valve Drivers

EFDR1 Valve Driver, Fan Control, Plug-In Style (EFDR1)

<div>
<h3>Product Operation</h3>
This fan drive controller can be conﬁ gured for a single or dual output control based on a single input signal. A single output would be used to control a single solenoid proportional valve coil for ﬂ ow or pressure control. As the temperature increases the current decreases. All input and output endpoints and breakpoints can be adjusted via a PC interface and conﬁ guration software. 
There are two modes of automatic operation: On/Off and Proportional. There is also a Reversing feature which allows the operator to blow any debris out of the radiator by reversing the direction of fan rotation.
</div>
<div>
<h3>Product Ratings</h3>
Operating Temperature: –40°C to +85°C (–40°C to +185°F) 
Molded Enclosure Dimensions: 35.1mm(W) x 72.9mm(H) x 42.67mm (D);1.38 in.(W) x 2.87 in. (H) x 1.68 in. (D) 
Mating Connectors: Deutsch DT06-6S and DT04-2P 
Solenoid Connector: Integral HF DR 2-Pin 
Power Requirements: 9 to 32 VDC 
Control Inputs: Voltage: 0 to 5 or 0 to 10 VDC; Current: 4 to 20 mA;Negative or Positive Temperature Coefﬁ cient (NTC or PTC) sensor;Resistive: 60 to 6500 ohms; PWM: 5 to 95%, 1.5V to 3.5V, 100 Hz to 10 KHz 
Control Outputs: 50 to 2000 mA 
Dither: 50 to 400 Hz; 0 to 50% of I-Max 
Ramp Time: 0.0 to 10.0 seconds; I-Min to I-Max 
Sealing: IP67 rated 
<a title="3.452.1" href="https://www.savery.co.uk/products/view/3-452-1">3.452.1</a>
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A convenient, plug-mounted microprocessor-based controller intended for use on a TSxx-21 or TSxx-27 hydraulic proportional valve for fan control applications. The input signal to the controller can be a temperature sensor, PWM, voltage, or current.

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Bespoke Projects

<ul class="ul1">
<li class="li1">Bespoke lubrication systems for testing Aerospace propulsion using high temperature fluids and test article scavenge capability</li>
<li class="li1">Bespoke lubrication solution for testing Automotive EV components.</li>
<li class="li1">Bespoke assembly rigs for Aircraft landing gear with built in test facilities.</li>
<li class="li1">Bespoke pressure testing and flushing rigs for Aircraft assembly plants.</li>
<li class="li1">Purpose design test benches for fluid power components.</li>
<li class="li1">Ground support trolleys for production and field use for Aircraft testing.</li>
<li class="li1">Hydraulic ring mains for aircraft production and servicing.</li>
<li class="li1">Hydraulic Infrastructure for test houses.</li>
</ul>

Bespoke-Projects

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Savery Hydraulics have a highly experienced team for fluid control for hydraulic, electronic control, installation and project management. Using this experience we have supported customers with a wide range of projects which are not traditionally considered hydraulic equipment. Some examples of bespoke projects we have successfully delivered are:-

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Hydraforce

Hydraforce products meet global quality standards including ISO 9001, QS 9000 and CE. Every Hydraforce valve, coil, solenoid, manifold and electro-hydraulic control goes through rigorous testing and inspection to perform beyond industry standards.

Savery offers one of the most comprehensive lines of hydraulic valves, solenoids and coils and is the UK distributor for the Hydraforce range of products for the mobile and industrial equipment markets, including high performance valves for flow rates of 0.4 to 530lpm and pressure up to 420 bar.

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Hydraulic Control Systems  

Tailored Solutions for Precision Control 
Our in-house hardware and software design team is dedicated to delivering cost-effective and reliable solutions for a wide array of control system needs. From embedded microcontroller systems to large-scale machine controls, we excel in designing and developing systems that meet the most demanding specifications. 
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Cloud-Based Monitoring for Seamless Access 
We offer cloud-based system monitoring solutions that provide 24/7 access through smart phone or tablet apps, giving you real-time insights into your operations from anywhere. 
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Industry-Leading Expertise 
With extensive experience across various industries, including aerospace, automotive, wind turbine testing, marine, and industrial sectors, our engineers bring invaluable expertise to every project. 
 
Hardware and Software Capabilities 
Small-Scale Control Systems: We design cost-effective control systems in-house using bespoke electronic control boards giving you optimal performance for your specific needs. 
Microchip Programming: We specialise in programming microchips for specialist applications in fluid power, providing tailored solutions for precise control. 
Large-Scale Machine Control Systems: Our capabilities include designing dedicated Motor Control Centre (MCC) cabinets and implementing System Control and Data Acquisition (SCADA) plant monitoring for seamless operation of complex machinery. 
Software Authoring: We are proficient in various software platforms, including: 
<ul>
<li>Delta Motion Controllers </li>
<li>National Instruments LabView© </li>
<li>National Instruments LabWindows CVI© </li>
<li>PLCs: Allen Bradley, Siemens, Omron, Schneider, Bachmann, Koyo </li>
<li>HMI and SCADA Systems: Siemens, Schneider, Bachmann, Koyo </li>
</ul>
 
Cost-Effective Solutions, Tailored to Your Needs 
Our deep understanding of different control systems enables us to select the most cost-effective platform to suit your systems development, ensuring you get the best value for your investment. 
At Savery, we are committed to delivering innovative, reliable, and tailored solutions that optimise the performance of your hydraulic systems, empowering you to achieve your goals with precision and efficiency.  
Get in touch with us today to discuss your project needs.

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At Savery, we design and manufacture electronic systems that ensure the safe and efficient control and monitoring of hydraulic equipment. Our expertise lies in providing comprehensive control system solutions tailored to your specific requirements, with a focus on bespoke applications. 

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Hydraulic Control Systems

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Hydraulic Power Unit

Our power units vary from compact, fixed pump systems to intricate setups featuring multiple variable displacement pumps and energy-saving variable speed drive technology. These units can be equipped with control manifolds for basic relief unloading functions or complex hydraulic control circuitry, custom-made for your application. 
We offer bespoke electrical control equipment that can manually or automatically control the power source, adhering to all current safety standards. This can be paired with simple condition monitoring for parameters such as flow, pressure, level, temperature, and fluid condition, or with advanced SCADA data recording for remote access via the cloud. This ensures safe and reliable 24/7 operation of equipment. 
Our power units can include fluid reservoirs ranging from 10 litres to over 14,000 litres, with built-in bund containment to meet regulatory requirements. 
With Savery, you’re in safe hands. We work with you from conception through design, project planning, installation, commissioning, and servicing to deliver a cost-effective and efficient hydraulic and control solution. 
We have successfully completed projects in various industries, including: 
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}" aria-setsize="-1" data-aria-posinset="1" data-aria-level="1">Civil: Flood Barriers, Roll-on/Roll-off dock equipment </li>
<li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}" aria-setsize="-1" data-aria-posinset="2" data-aria-level="1">Marine: Ship Stabiliser, steering and deck equipment (with in-house 60 Hz testing capability) </li>
<li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}" aria-setsize="-1" data-aria-posinset="3" data-aria-level="1">Testing Infrastructure: Automotive, Aerospace, research and production component testing </li>
<li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}" aria-setsize="-1" data-aria-posinset="4" data-aria-level="1">Mechanical Handling: Large Scissor lifts </li>
<li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}" aria-setsize="-1" data-aria-posinset="5" data-aria-level="1">Defence and Security: Specialist equipment </li>
<li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}" aria-setsize="-1" data-aria-posinset="6" data-aria-level="1">Wind: Turbine Blade testing </li>
</ul>
Trust Savery Hydraulics for your hydraulic power needs.

Hydraulic-Power-Unit

At Savery Hydraulics, we specialise in the design and manufacture of hydraulic power units tailored to customer specifications. Our offerings range from single fractional power motors to multiple pump sets, with power installations up to 2 Mw. 

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Savery custom manifolds can be designed as part of a new power unit or to enhance your existing equipment & machinery. Custom designed manifolds offer no-leak, screw-in components with fast and easy valve removal and replacement. 

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Our team of experienced engineers can simplify the most complex hydraulic circuits to reduce cost, improve reliability, minimise pipe work connections and the physical size &amp; weight of the solutions.
Custom manifold assemblies are: 
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}" aria-setsize="-1" data-aria-posinset="1" data-aria-level="1">Designed by our engineers in house using the latest 3D CAD software for integration into your product. </li>
<li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}" aria-setsize="-1" data-aria-posinset="2" data-aria-level="1">Designed utilising Hydraforce cartridge valves and a vast range of other manufacturer’s components to achieve the required performance. </li>
<li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}" aria-setsize="-1" data-aria-posinset="3" data-aria-level="1">Machined using modern CNC equipment with specialist tooling to ensure high quality. </li>
<li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}" aria-setsize="-1" data-aria-posinset="4" data-aria-level="1">Manufactured from aluminium, steel or stainless steel to meet system pressure, flow and application requirements. </li>
<li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}" aria-setsize="-1" data-aria-posinset="5" data-aria-level="1">Designed in conjunction with your engineers to ensure we meet your unique requirements and installation needs. </li>
<li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}" aria-setsize="-1" data-aria-posinset="6" data-aria-level="1">Supplied in a variety of sizes from small manifold blocks with cartridges capable of controlling low(a few litres per minute) flow rate up to large complex assemblies for hundreds of litres per minute. </li>
<li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}" aria-setsize="-1" data-aria-posinset="7" data-aria-level="1">Supplied fully assembled &amp; tested in our UK facility &amp; meeting the necessary ISO recommended guidelines for hydraulic cleanliness prior to dispatch. </li>
</ul>

Manifold-Assembly

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Savery custom manifolds can be designed as part of a new power unit or to enhance your existing equipment & machinery. Custom designed manifolds offer no-leak, screw-in components with fast and easy valve removal and replacement.

Manifold Assembly

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Contact Us

Savery hydraulic power packs and mini power packs are the culmination of many years of experience in manufacturing AC and DC power packs.

Small HydraulicPower Packs

The PB300 series of power units offer the latest design and features not normally associated with this type of unit. The units have a pressure up to 300 bar, which is achieved by the use of high specification materials. The centre adaptor can be machined to give a vast range of integral control options for single and double acting circuits.
Applications for this type of unit are numerous DC units for battery powered use include our tail lift packs and can be found on tippers, aerial access equipment and material handling trucks. AC units with power ratings from 0.25kW to 5.5kW have an even greater range of applications including the retail and service industry for the handling of goods &#8211; loading and unloading of vehicles and the lift industry for lifts installed in the home, disabled lifts and automotive assembly plants.
Savery has developed hydraulic power packs specifically for applications such as dock levellers, which provide a bridge between the loading bay and the truck being loaded or unloaded.
PB300 units have;
<ul>
<li>DC units 12V &amp; 24V / 0.2 – 3.5kW.</li>
<li>AC units 3 Phase &amp; 1 Phase / 0.25 – 5.5kW.</li>
<li>A vast range of control options for single and double acting circuits.</li>
<li>Advanced pressure die-cast aluminium centre adaptor.</li>
<li>The ability to eliminate porosity.</li>
</ul>
<img loading="lazy" decoding="async" class="alignnone size-full wp-image-5274" src="https://cms.savery.co.uk/wp-content/uploads/2024/03/E11-Logo.jpg" alt="" width="110" height="48" />

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Savery offer a complete and comprehensive range of hydraulic power units, incorporating highly flexible, cost effective modular construction suited to both OEM and small users. The design of units for special applications is an important part of Savery’s marketing activities and our engineers can develop a unit to perfectly match our customer’s requirements.

Savery hydraulic power packs and mini power packs are the culmination of many years of experience in manufacturing AC and DC power packs.


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Small Hydraulic Power Packs

EVDR9 Nine-Valve Driver with CAN Input (EVDR9)

<h3>Product Features</h3>
• Microprocessor based control (standard software or OEM software on request).• Standard hardware and software adapts to many applications.• Robust 8 to 80VDC power supply interface with reverse polarity protection.• Thermal overload and overvoltage protection provided.• Rugged IP67-rated packaging with IP69K-rated plug-in connections.• Operational from -40 to 85°C (-40 to 185°F).• CAN for networking capability, user configuration and diagnostics.
<h3>Product Ratings</h3>
POWER REQUIREMENTS:Power Required: 8 to 80 VDCOperating Current: 8 amp maximum loadNon-Destructive Voltage: –32 to +80 VDC 
PROCESSING and MEMORY:Motorola Microprocessor: MC56F8346Flash ROM: 128 KByteSRAM: 4 KByteEEPROM: 8 KBytes 
All input and output characteristics are confi gurable with ACP (Application Confi guration Programmer). 
COMMUNICATION I/O:CAN J1939 — StandardCANopen — Consult Factory 
OUTPUTS:PWM Driver, High Side (2A): 9; PWM Drivers can be confi gured for On/Off or Proportional 
ENVIRONMENTAL RATINGS:Operating Temperature Range: –40°C to +85°CStorage Temperature Range: –50°C to 125°CHumidity Tolerance: 115% of nominal system voltage at 90% relative humidity over operating temperature rangeSalt Spray Tolerance: 115% of nominal system voltage with 5% salt spray for 48 hours at 35°CVibration (Shock-isolated components): 7.4 Grms random vibration from 24 Hz to 2 KHz in three orthagonal planesMoisture Leakage (sealant pressure tolerance): ±0.35 bar (5 psi) against water and water vapor; immersion resistant in 3 ft. (1 meter) of water; meets IP67 standards.Radiated Immunity: 10 V/M; 80 MHz to 1.0 GHzElectrostatic Environment: Zero damage during exposure to electrostatic painting process (IEC 61000-4-2) 
Materials:Housing: Thermoplastic with silicone elastomer seals.Contacts: Tin-plated copper alloy. 
<a title="3.459.1" href="https://www.savery.co.uk/products/view/3-459-1">3.459.1</a>

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The EVDR9 valve driver provides precise, repeatable control of nine proportional solenoid valve coils. CAN bus communications offer control system networking capabilty and user configuration.

This versatile, multi-function controller is suitable for a wide range of heavy duty industrial, marine, and mobile off-highway equipment applications, such as transmission controls, vehicle traction controls, and drive-by-wire control systems.

EVDR6 Six-Valve Driver, Universal Input, w/J1939, (EVDR6)

CAN bus communications offer control system networking capabilty and user confi guration.This versatile, multi-function controller is suitable for a wide range of heavy dutyindustrial, marine, and mobile off-highway equipment applications, such as transmission controls, vehicle traction controls, and drive-by-wire control systems.
<h3>Product Features</h3>
• Microprocessor based control (standard software or OEM software on request).• Standard hardware and software adapts to many applications.• Robust 9 to 36VDC power supply interface with reverse polarity protection.• Six on/off outputs capable of driving 5 amps each.• Two analog confi gurable inputs:5V, 20mA, PWM, Frequency/RPM,or Digital.• Three digital confi gurable inputs:High, Low, or PWM• Thermal overload and overvoltage protection provided.• Rugged IP67-rated packaging with IP69K-rated plug-in connections.• Operational from -40 to 85°C (-40 to 185°F).• One CAN J1939 port• CAN for networking capability, user configuration and diagnostics.
<h3>Product Ratings</h3>
POWER REQUIREMENTS:Power Required: 9 to 36 VDCOperating Current: 8 amp maximum loadNon-Destructive Voltage: –32 to +80 VDC 
PROCESSING and MEMORY:Motorola Microprocessor: MC56F8346Flash ROM: 128 KByteSRAM: 4 KByteEEPROM: 8 KBytes 
All input and output characteristics are confi gurable with ACP (Application Confi guration Programmer). 
COMMUNICATION I/O:CAN J1939 — StandardCANopen — Consult Factory 
INPUTS:Analog: 2, Confi gurable as: 0 to 5VDC; 0(4) to 20mA; PWM, 0 to 100%, 5KHz maximum;Frequency/RPM, 1 to 65 KHz; 16-bit counter; Digital–HighDigital: 3, Confi gurable as: Digital, High/Low; PWM, 0 to 100%, 5KHz maximum;Frequency/RPM, 1 to 65KHz; 16-bit counter 
OUTPUTS:High Side ON/OFF Drivers: 6 Drivers can be confi gured for On/Off, Timed, Pulsed, Duty Cycle 
ENVIRONMENTAL RATINGS:Operating Temperature Range: –40°C to +85°CStorage Temperature Range: –50°C to 125°CHumidity Tolerance: 115% of nominal system voltage at 90% relative humidity over operating temperature rangeSalt Spray Tolerance: 115% of nominal system voltage with 5% salt spray for 48 hours at 35°CVibration (Shock-isolated components): 7.4 Grms random vibration from 24 Hz to 2 KHz in three orthagonal planesMoisture Leakage (sealant pressure tolerance): ±0.35 bar (5 psi) against water and water vapor; immersion resistant in 3 ft. (1 meter) of water; meets IP67 standards.Radiated Immunity: 10 V/M; 80 MHz to 1.0 GHzElectrostatic Environment: Zero damage during exposure to electrostatic painting process (IEC 61000-4-2) 
Materials:Housing: Thermoplastic with silicone elastomer seals.Contacts: Tin-plated copper alloy. 
<a title="3.456.1" href="https://www.savery.co.uk/products/view/3-456-1">3.456.1</a>
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The EVDR6 valve driver provides precise, repeatable control of six on/off solenoid valve coils that draw up to 5 amps each. It also accepts two analog and three digital inputs. 

EVDR5 Five-Valve Driver, Universal Input w/J1939 (EVDR5)

PWM input signals can be from a joystick, a PLC or Engine Control Module. Analog inputs and multiple switched inputs are optional to suit a range of applications. The CAN J1939 communications port, along with the USB-to-CAN adapter, allow the EVDR5 setup parameters to be configured using a PC. Also, the CAN port can be set up to provide communications and control with other devices on the network.This versatile, multi-function controller is suitable for a wide range of heavy duty industrial, marine, and mobile off-highway equipment applications, such as transmission controls, vehicle traction controls, and drive-by-wire control systems.
<h3>Product Features</h3>
• Microprocessor based control (standard software or OEM software on request).• Standard hardware and software adapts to many applications including interface to a joystick PWM command or proportional signals.• Independent outputs for four proportional valves (0…2A) and 1on/off valve (&lt; 2 A).• Interfaces to up to 2 PWM signal inputs (interface to a 2 axis joystick).• Up to four voltage or current analog inputs: 0-5V, 0-10V, 4-20 mA or 0-20 mA.• Digital inputs for interface to switches, etc., (up to 6).• Robust 8…36VDC power supply interface with reverse polarity protection.• Two, +5V reference voltage to power input devices.• Thermal overload and overvoltage protection provided.• Rugged IP67-rated packaging with IP69K-rated plug-in connections.• Operational from -40 to 85°C (-40 to 185°F).• CAN for networking capability, user configuration and diagnostics.
<h3>Product Ratings</h3>
POWER REQUIREMENTS:Power Required: 8 to 36 VDCOperating Current: 6 amp maximum loadNon-Destructive Voltage: –32 to +36 VDC 
SENSOR POWER SUPPLY:Two, 5V Sensor Supplies: 50 mA DC each 
PROCESSING and MEMORY:Motorola Microprocessor: MC56F8346Flash ROM: 128 KByteSRAM: 4 KByteEEPROM: 8 KBytes 
All input and output characteristics are configurable 
with ACP (Application Configuration Programmer). 
INPUTS:PWM/Frequency/Digital: 2 inputs5 to 12 VDC; 0 to 100% DC; 50 Hz to 10 KHz; or Digital Active High/Low InputAnalog/Digital: 4 inputs0 to 20 mA; 4 to 20 mA with digital inputs active low, 0 to 5V or 0 to 10V with digital inputs active high 
OUTPUTS:On/Off High Side Driver (2A): 1PWM Driver, High Side (2A): 4; PWM Drivers can be configured for On/Off or ProportionalCommunications: CAN J1939 
ENVIRONMENTAL RATINGS:Operating Temperature Range: –40 to 85°C (–40 to 185°F)Storage Temperature Range: –50 to 125°C (–58 to 257°F)Humidity Tolerance: 115% of nominal system voltage at 90% relative humidity over operating temperature rangeSalt Spray Tolerance: 115% of nominal system voltage with 5% salt spray for 48 hours at 35°C (95°F)Chemical Splash Immunity: Diesel Fuel, engine/machine oil, SAE J1455 chemical agentsVibration (Shock-isolated components): 7.4 Grms random vibration from 24 Hz to 2 KHz in three orthagonal planesMoisture Leakage (sealant pressure tolerance): ±0.35 bar (5 psi) against water and water vapor; immersion resistant in 3 ft. (1 meter) of water; meets IP67 standards.Radiated Immunity: 10 V/M; 80 MHz to 1.0 GHzElectrostatic Environment: Zero damage during exposure to electrostatic painting process (IEC 61000-4-2) 
Materials:Housing: Thermoplastic with silicone elastomer seals.Contacts: Tin-plated copper alloy. 
<a title="3.455.1" href="https://www.savery.co.uk/products/view/3-455-1">3.455.1</a>

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The EVDR5 valve driver provides precise, repeatable control of four proportional solenoid valve coils and one on/off solenoid valve coil. 

EVDR4 Five-Valve Driver, Universal Input (EVDR4)

<h3>Product Features</h3>
• Microprocessor based control (standard software or OEM software on request).• Standard hardware and software adapts to many applications including interface to a joystick PWM command or proportional signals.• Independent outputs for four proportional valves (0…2A) and 1on/off valve (&lt; 2 A).• Interfaces to up to 2 PWM signal inputs (interface to a 2 axis joystick).• Up to four voltage or current analog inputs: 0-5V, 0-10V, 4-20 mA or 0-20 mA.• Digital inputs for interface to switches, etc., (up to 6).• Robust 8…36VDC power supply interface with reverse polarity protection.• One, +5V reference voltage to power input devices.• Thermal overload and overvoltage protection provided.• Rugged IP67-rated packaging with IP69K-rated plug-in connections.• Operational from -40 to 85°C (-40 to 185°F).• RS232 interface to PC or laptop for user configuration and diagnostics.
<h3>Product Ratings</h3>
POWER REQUIREMENTS:Power Required: 9 to 32 VDCOperating Current: 7 amp maximum loadNon-Destructive Voltage: –32 to +36 VDC 
SENSOR POWER SUPPLY:One, 5V Sensor Supply: 50 mA DC 
PROCESSING and MEMORY:Motorola Microprocessor: MC56F8346Flash ROM: 128 KByteSRAM: 4 KByteEEPROM: 8 KBytes 
All input and output characteristics are confi gurable with ACP (Application Confi guration Programmer). 
INPUTS:PWM/Digital: 2 inputs5 to 36 VDC; 0 to 100% DC; 50 Hz to 10 KHz; or Digital Active High/Low InputAnalog/Digital: 4 inputs0 to 20 mA; 4 to 20 mA, 0 to 5V or 0 to 10V; or Digital Active High or Low 
OUTPUTS:On/Off High Side Driver (2A): 1PWM Driver, High Side (2A): 4; PWM Drivers can be confi gured for On/Off or ProportionalCommunications: RS-232 
ENVIRONMENTAL RATINGS:Operating Temperature Range: –40°C to +85°CStorage Temperature Range: –50°C to 125°CHumidity Tolerance: 115% of nominal system voltage at 90% relative humidity over operating temperature rangeSalt Spray Tolerance: 115% of nominal system voltage with 5% salt spray for 48 hours at 35°CChemical Splash Immunity: Diesel Fuel, engine/machine oil, SAE J1455 chemical agentsVibration (Shock-isolated components): 7.4 Grms random vibration from 24 Hz to 2 KHz in three orthagonal planesMoisture Leakage (sealant pressure tolerance): ±0.35 bar (5 psi) against water and water vapor; immersion resistant in 3 ft. (1 meter) of water; meets IP67 standards.Radiated Immunity: 10 V/M; 80 MHz to 1.0 GHzElectrostatic Environment: Zero damage during exposure to electrostatic painting process (IEC 61000-4-2) 
Materials:Housing: Thermoplastic with silicone elastomer seals.Contacts: Tin-plated copper alloy. 
<a title="3.454.1" href="https://www.savery.co.uk/products/view/3-454-1">3.454.1</a>
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The EVDR4 valve driver provides precise, repeatable control of four proportional solenoid valve coils and one on/off solenoid valve coil. PWM input signals can be from a joystick, a PLC or Engine Control Module. Analog inputs and multiple switched inputs are optional to suit a range of applications. An onboard RS-232 port is used for user-configuration and diagnostics via PC.This versatile, multi-function controller is suitable for a wide range of heavy duty industrial, marine, and mobile off-highway equipment applications, such as transmission controls, vehicle traction controls, and drive-by-wire control systems.

EVDR1 Dual/Single Valve Driver, Plug-In Style (EVDR1)

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<h3>Product Operation</h3>
The EVDR1 can be confi gured for a SINGLE or DUAL OUTPUT control based on a single input signal. A single output would be used to control a single solenoid proportional valve coil for flow or pressure control. It could be confi gured to increase or decrease the output current as the input increases. All input and output endpoints and breakpoints can be adjusted via a PC interface and confi guration software. A dual output would be used to control a dual solenoid proportional valve.
For a dual control the input would be a joystick that is spring loaded to the center position where both outputs would be OFF. As the joystick is stroked in one direction the corresponding output would increase to adjust the valve and the other output would remain OFF. When the joystick is stroked the opposite direction the other output will respond. Again all input and output endpoints and breakpoints are adjustable and the dual slope will have a center deadband width that is also adjustable.
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<h3>Product Ratings</h3>
Operating Temperature: –40°C to +85°C (–40°C to +185°F) 
Molded Enclosure Dimensions: 35.1mm(W) x 72.9mm(H) x 42.67mm (D);1.38 in.(W) x 2.87 in. (H) x 1.68 in. (D) 
Mating Connectors: Deutsch DT06-6S and DT04-2P 
Solenoid Connector: Integral HF DR 2-Pin 
Power Requirements: 9 to 32 VDC 
Control Inputs: 
Voltage: 0 to 5 or 0 to 10 VDC 
Current: 0 to 20 or 4 to 20 mA 
Resistive: 0 to 5K ohms 
PWM: 5 to 95% Duty Cycle, Low3.5V (50V max.), 100 Hz to 10 KHz min. 
Control Outputs: 50 to 2000 mA 
Dither: 50 to 400 Hz; 0 to 50% of I-Max 
Ramp Time: 0.0 to 10.0 seconds; I-Min to I-Max 
Sealing: IP67 rated; 
Materials: Polyester, 15% glass with silicone seals 
<a title="3.451.1" href="https://www.savery.co.uk/products/view/3-451-1">3.451.1</a>
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A convenient, plug-mounted microprocessor-based controller for use on a hydraulic proportional valve coil. The input signal to the controller can be confi gured as voltage, current, resistive, or PWM.

EVDR-0201 Dual/Single Valve Driver, Plug-In Style (EVDR-0201)

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<h3>Product Operation</h3>
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The controller will accept inputs from commonly available analog or J1939 CAN operator interface devices (joystick, potentiometer, sensors, master controller, etc.). The input signal drives the output current to the user defined ramp rate, enabling accurate and proportional metering control of the hydraulic valve. As the input changes, the output follows the defined metering profile allowing optimum system response. The unit can be configured for direct valve operation. Built-in diagnostics detect short to ground, over current or over voltage conditions which automatically deactivates the outputs.
<h3>Product Ratings</h3>
Operating Temperature: -40°C to +85°C (-40° to 185°F) 
Molded Enclosure Dimensions: 46.7 mm (W) x 87.8 mm (H) x 34.0 mm (D);1.84 in. (W) x 3.46 in. (H) x 1.34 in. (D) 
Mating Connectors: Deutsch DT06-8SA and DT04-2P 
Power Requirements: 9 to 36 VDC 
Control Inputs: 
Voltage: 0 to 5 or 0 to 10 VDC 
Current: 0 to 20 or 4 to 20 mA 
Resistive: 0 to 5K ohms 
CAN: J1939 
Control Outputs: 50 to 2000 mA 
Dither: 40 to 400 Hz; 0-2000 mA 
Ramp Time: 0.0 to 25.5 seconds; Signal-Min to Signal-Max 
Sealing: IP69K rated 
Weight: 0.079 kg/0.175 lb without connectors 
<a title="3.451.3" href="https://www.savery.co.uk/products/view/3-451-3">3.451.3</a>
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A CE-qualified, compact plug-in style, microprocessor based, valve driver designed for use in hydraulic proportional valve applications. Configurable to drive either one or two coils using SAE J1939 CAN input or an independent voltage, current, or resistance signal. The EVDR-0201 is designed to proportionally control one or two coils to a user-defined metering profile. The profile can provide either a straight-line or dual sloped output which is user configurable. An easy to use, web-accessible configuration tool is available as a free download at www.hydraforce.com/electronics

ETDR1 Dual/Single Transmission Valve Driver, Plug-In (ETDR1)

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<h3>Product Operation</h3>
The ETDR1 can be configured to provide a smooth clutch operation on a transmission. The controller will output the required current to fill the clutch , hold the output and then ramp the current output to full engagement of the shift. This will happen under a configurable preset timed function when the neutral to in gear is required. See Clutch Engagement Profile graph below. Once the transmission is engaged the controller will also operate in the inch/troll which will allow slow precise control based on the amplitude of the input signal. The input signal can originate from a joystick type device with PWM, Voltage, or Resistance output. The two outputs of the ETDR1 provide for both forward and reverse control.
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<h3>Product Ratings</h3>
Operating Temperature: –40°C to +85°C (–40°C to +185°F) 
Molded Enclosure Dimensions: 35.1mm(W) x 72.9mm(H) x 42.67mm (D);1.38 in.(W) x 2.87 in. (H) x 1.68 in. (D) 
Mating Connectors: Deutsch DT06-6S and DT04-2P 
Solenoid Connector: Integral HF DR 2-Pin 
Power Requirements: 9 to 32 VDC 
Control Inputs: Voltage: 0 to 5 or 0 to 10 VDC; Current: 0 to 20 or 4 to 20 mAResistive: 0 to 5K ohms; PWM: 5 to 95%, 1.5V to 3.5V, 100 Hz to 10 KHz 
Control Outputs: 50 to 2000 mA 
Dither: 70 to 350 Hz; 0 to 10% of I-Max 
Ramp Time: 0.0 to 5.0 seconds; I-Min to I-Max 
Sealing: IP67 rated 
Materials: Polyester, 15% glass with silicone seals 
<a title="3.453.1" href="https://www.savery.co.uk/products/view/3-453-1">3.453.1</a>
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A convenient, plug-mounted microprocessor-based controller for use on a hydraulic proportional valve coil. The input signal to the controller can be confi gured as voltage, current, resistive, or PWM.



EFDR2 Valve Driver, Fan Control, Multi-Input, (EFDR2)

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The controller accepts up to three thermistor inputs for fan control along with a single switch input for manual activation of the fan reversal function. Controller input signals can be from a resistive temperature sensor, or analog switch inputs. The EFDR2 setup parameters are confi gured using a PC, or the Application Confi guration Programmer (ACP) serial interface, which allows for infrared programming and fi eld adjustment of the controller. This multi-input fan drive controller is suitable for a wide range of heavy duty industrial, marine, and mobile off-highway equipment applications requiring proportional fan control.
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<h3>Product Features</h3>
• Complete Closed-Loop System Controller.• Settings by pre-written PC program.• CE Compliant for global application.• PC Data Logging feature for trend analysis.• Visible diagnostics with LED system ‘error’ blink code warning.• Alarm output for integrated system interface/shutdown options.• Fully protected against shorts, opens, and reverse connections.• Fan ‘Start-up Delay’ feature to prevent excessive cooling.• Flame-proof resin encapsulation.• Reversing can be initiated manually or automatically.• Various password levels ensure that characteristics cannot be changed without proper authority.• Suitable for on- or off-road use.• Industry-standard, sealed, Weather-pack or two-part polarized connectors. • Fan Noise Test feature for demonstrat-ing the proper noise level of a forward driven fan.
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<h3>Product Ratings</h3>
POWER REQUIREMENTS:Power Required: 10 to 32 VDC 
INPUT SUPPLY CURRENT:One: 200 mA Quiescent 
All input and output characteristics are confi gurable with the Application Confi guration Programmer (ACP) software. 
INPUTS — Three Command Inputs:Three discrete thermistor inputs: OHMS only (Max. Temp. = 50; Min. Temp. = 2M) Note: a thermistor input reaching ’Overtemp’ will result in ramping to full fan speed. 
One Reversing Input: Digital: Active High 
Dither Frequency: ~30 to 250Hz (menu selectable) 
OUTPUTS — Two Control Outputs:Operating Current: Max. load for proportional valve 
One, On/Off Sourcing Driver: (3A) 
One, Proportional: (3.3A) 
Proportional and Directional Coils: 8-14VDC: Use 12V coil 
; 20-36VDC: Use 24V Coil
ENVIRONMENTAL RATINGS:Operating Temp. Range: –30°C to +75°C; Storage Temp. Range: –40°C to +85°C 
Humidity Tolerance: 95-100% Non-Condensing 
Moisture Leakage (sealant pressure tolerance): ±0.35 bar (5 psi) against water and water vapor; immersion resistant in 3 ft. (1 meter) of water; meets IP68 standards. 
MATERIALS:Housing: Polycarbonate with fl ame resistant, two-part Epoxy Resin 
<a title="3.452.3" href="https://www.savery.co.uk/products/view/3-452-3">3.452.3</a>
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The EFDR2 multi-input fan drive controller provides precise, repeatable control of one proportional valve coil and one on/off solenoid valve coil.

EFDR1 Valve Driver, Fan Control, Plug-In Style (EFDR1)

Product Operation

Product Ratings

EVDR9 Nine-Valve Driver with CAN Input (EVDR9)

EVDR6 Six-Valve Driver, Universal Input, w/J1939, (EVDR6)

EVDR5 Five-Valve Driver, Universal Input w/J1939 (EVDR5)

EVDR4 Five-Valve Driver, Universal Input (EVDR4)

EVDR1 Dual/Single Valve Driver, Plug-In Style (EVDR1)

EVDR-0201 Dual/Single Valve Driver, Plug-In Style (EVDR-0201)

ETDR1 Dual/Single Transmission Valve Driver, Plug-In (ETDR1)

EFDR2 Valve Driver, Fan Control, Multi-Input, (EFDR2)

EFDR1 Valve Driver, Fan Control, Plug-In Style (EFDR1)

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