Lynch LE PS X Digital Display Proportional Valve Driver

Product Name

Lynch LE PS X Digital Display Proportional Valve Driver – Single Solenoid, DIN Rail Mount

Model Number

LE PS X

Brand

Lynch Electronics / Lynch Fluid Controls

Product Category

Hydraulic Proportional Valve Electronics / Proportional Valve Driver / Hydraulic Valve Controller

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Product Details

The Lynch LE PS X is a digital display proportional valve driver designed to control the output current supplied to a proportional solenoid valve.

It accepts an analogue command signal from devices such as a potentiometer, joystick, PLC, or other control system, and converts the command into proportional solenoid current for smooth hydraulic valve operation. The unit is designed for single-solenoid proportional valve control and is mounted on a DIN rail, making it suitable for installation inside electrical control cabinets. (Lynch Fluid Controls)

The LE PS X features a digital display and adjustable ramp functions, allowing users to configure and monitor operating parameters directly from the driver.

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Description

The Lynch LE PS X Digital Display Proportional Valve Driver is a compact electronic amplifier for proportional hydraulic valves.

It provides proportional current control according to an input command signal. Supported command inputs include 0–5 V, 0–10 V and 4–20 mA, allowing the driver to interface with common industrial control equipment and PLC systems. (Lynch Fluid Controls)

The driver incorporates adjustable ramp-up and ramp-down functions, PWM/dither frequency adjustment, current settings and command deadband functions. These features help provide controlled and smoother proportional valve response.

Its DIN rail mounting makes it convenient for hydraulic machinery control panels, electrical cabinets and industrial automation systems.

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Key Features

• Digital display proportional valve driver

• Single proportional solenoid output

• DIN rail mounting

• Microcontroller-based design

• Adjustable ramp-up and ramp-down

• 3-digit bright seven-segment LED display

• Displays and adjusts actual current and voltage values

• Selectable input signal

• Supports 0–5 V input

• Supports 0–10 V input

• Supports 4–20 mA input

• Adjustable ramp time up to 99.5 seconds

• Adjustable PWM / dither frequency

• Current sensing

• Energy-efficient PWM circuit

• No heat sink required

• Electronic current limiting

• Short-circuit protection

• Reverse-polarity protection

• Command input protection

• Load can be connected/disconnected while live

• DIN rail installation for electrical cabinets

• Troubleshooting and error indication functions (Lynch Fluid Controls)

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Verified Specifications

Specification	LE PS X
Manufacturer	Lynch Fluid Controls / Lynch Electronics
Model	LE PS X
Product Type	Digital Display Proportional Valve Driver
Configuration	Single proportional solenoid
Mounting	DIN Rail
Operating Voltage	9–36 VDC
Maximum Output Current	3.00 A
Input Signal	0–5 V, 0–10 V, 4–20 mA
Maximum Ramp Time	99.5 sec
PWM / Dither Frequency	40–450 Hz
Linearity	1%
Operating Temperature	-40°C to +80°C
Dimensions	59 mm × 76 mm × 19 mm

These specifications are taken from Lynch's manufacturer product page and datasheet. (Lynch Fluid Controls)

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Typical Applications

Hydraulic Presses

The LE PS X can be used to control proportional valves in hydraulic presses where controlled hydraulic cylinder movement and force adjustment are required. Lynch specifically identifies hydraulic press applications for this product family. (Lynch Fluid Controls)

Hydraulic Snow Plows

The driver can provide smooth proportional control for hydraulic lifting, extending and retracting functions on hydraulically operated snow-plow equipment. (Lynch Fluid Controls)

Industrial Hydraulic Machinery

Suitable for proportional hydraulic valve control in:

• Manufacturing machinery

• Hydraulic presses

• Industrial automation

• OEM machinery

• Mobile hydraulic equipment

• Hydraulic power systems

• Machine control panels

• PLC-controlled hydraulic systems

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Input Signal Compatibility

The LE PS X can be configured for different analogue command signals:

0–5 V
Suitable for analogue controllers, potentiometers and compatible control systems.

0–10 V
Common industrial analogue control signal for PLC and automation systems.

4–20 mA
Suitable for industrial PLC, instrumentation and long-distance analogue control applications. (Lynch Fluid Controls)

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Adjustable Parameters

The Lynch datasheet identifies adjustable functions including:

• High / maximum output current

• Low / minimum output current

• Ramp-up time

• Ramp-down time

• Command deadband

• Dither frequency

• Input signal selection

• Display mode

• Factory parameter reset

• Error detection

• Error clearing (Lynch Fluid Controls)

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Important Product Status – 2026

Please note: Lynch has announced that the LE PS X, along with LE PS X W-68, LE PD X and LE PD X W-68, will become obsolete and unavailable for purchase from September 1, 2026.

Lynch identifies the LE PS XW as the replacement model. The replacement retains the same listed electrical specifications but has different mounting-plate dimensions. (Lynch Fluid Controls)

Replacement Model

Lynch LE PS XW – Digital Display Proportional Valve Driver

Verified LE PS XW specifications include:

• Operating voltage: 9–36 VDC

• Maximum output current: 3.00 A

• Input signal: 5 V, 10 V, 4–20 mA

• Maximum ramp time: 99.5 sec

• PWM / Dither frequency: 40–450 Hz

• Linearity: 1%

• Operating temperature: -40°C to +80°C

• Dimensions: 68 mm × 82 mm × 16 mm (Lynch Fluid Controls)

For new applications, customers should verify whether LE PS XW is the appropriate replacement before ordering.

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Related Lynch Models

The Lynch digital proportional valve driver family includes:

• LE PS X – Single proportional amplifier, DIN rail

• LE PS XW – Replacement/wide version

• LE PS X W-68 – Previous wide version

• LE PD X – Dual proportional amplifier

• LE PD XW – Replacement dual proportional amplifier

• LE PD X W-68

• LE PP X – Single proportional amplifier, DIN43650A/direct DIN coil mounting

• LE PG X

• LE PI X

• LE PN X

• LE PT X

• LE PB X

The manufacturer's product information identifies these as part of the Lynch proportional driver/electronics family. (Lynch Fluid Controls Shop)

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Alternative / Replacement Model

Lynch LE PS XW

Recommended manufacturer replacement for LE PS X due to the announced obsolescence of LE PS X from September 1, 2026. (Lynch Fluid Controls)

For an existing machine, always compare the mounting arrangement and wiring before replacing an LE PS X with LE PS XW.

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FAQ

What is the Lynch LE PS X?

The LE PS X is a digital display proportional valve driver used to control the current supplied to a single proportional solenoid valve.

What input signals does LE PS X support?

The driver supports 0–5 V, 0–10 V and 4–20 mA analogue input signals. (Lynch Fluid Controls)

What is the maximum output current?

The manufacturer's standard specification lists a maximum output current of 3.00 A. (Lynch Fluid Controls)

What is the supply voltage?

The specified operating voltage is 9–36 VDC. (Lynch Fluid Controls)

Is LE PS X suitable for PLC control?

Yes. The LE PS X can receive analogue command signals from a PLC or other compatible control system, including 0–5 V, 0–10 V and 4–20 mA signals. (Lynch Fluid Controls)

Does LE PS X have a display?

Yes. It uses a bright seven-segment LED display for parameter adjustment and monitoring. (Lynch Fluid Controls)

Is LE PS X DIN rail mounted?

Yes. It is designed as a DIN rail-mounted proportional valve driver for installation in electrical control cabinets. (Lynch Fluid Controls)

Is LE PS X still available?

Lynch has announced that the LE PS X will become obsolete and unavailable for purchase effective September 1, 2026. The manufacturer directs customers toward the LE PS XW replacement. (Lynch Fluid Controls)

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ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD

Malaysia Hydraulic & Pneumatic Component Supplier

We supply hydraulic and pneumatic components for manufacturing, construction, palm oil mills, mining, marine, industrial automation and OEM machinery.

Direct ordering available for original genuine and aftermarket products, subject to availability.

Tel: 05-282 1518 / +60 16-550 2288
WhatsApp: +60 16-550 2288
Email: asiamech88@gmail.com

Delivery: Malaysia, Singapore, Thailand, Indonesia, Philippines, Vietnam, Europe & Worldwide.

For the LE PS X, customers should provide the model number and, where possible, the existing driver photo/nameplate and valve/solenoid information so compatibility can be checked before ordering.

Manufacturer reference: Lynch LE PS X official product page (Lynch Fluid Controls)