NICE D-PRO 500 Industrial Motor Control Unit UAE

NICE DPRO500 230 V / 400 V Industrial Gate Controller

The NICE D-PRO 500 is an original NICE industrial motor control unit designed for compatible single-phase and three-phase automation motors fitted with NICE mechanical or electronic limit switches.

Official NICE technical documentation specifies the D-PRO 500 for one 230 VAC single-phase motor or one 400 VAC three-phase motor up to 2.2 kW. It is suitable for heavy-duty gate and industrial automation applications requiring professional wired controls, safety-edge management, programmable functions and compatible NICE radio receiver integration.

The D-PRO 500 is also the control unit integrated into the NICE TUB4000 industrial sliding gate motor, making it an important replacement and service component for large industrial sliding gate installations.

NICE D-PRO 500 Key Features

• Original NICE industrial control unit
• Model: DPRO500
• For one compatible single-phase or three-phase motor
• 230 VAC single-phase operation
• 400 VAC three-phase operation
• Also supports 3 × 230 VAC three-phase configuration where correctly set
• Maximum motor power: 2.2 kW
• Compatible with NICE mechanical or electronic limit-switch systems
• Automatic or hold-to-run / man-present operation
• OPEN command input
• CLOSE command input
• ALT safety input
• Programmable PHOTO input
• Safety-edge input
• Supports NO, NC, 8.2 kΩ and optical OSE safety-edge systems
• 24 VDC accessory supply
• NICE SM radio receiver connector
• External aerial input
• Optional NDA040 programmable relay-output module
• Pro-View / O-View programming through compatible interface
• IP55 enclosed control unit

Official D-PRO 500 Technical Specifications

Brand	NICE
Model	DPRO500
Controller Type	Control unit for compatible single-phase or three-phase motors with NICE mechanical or electronic limit switches
Single-Phase Supply	1 × 230 VAC ±10%, 50/60 Hz
Three-Phase Supply	3 × 400 VAC / 3 × 230 VAC ±10%, 50/60 Hz
Maximum Motor Power	2.2 kW
Standby Power	< 5 W
Accessory Supply	24 VDC, maximum 100 mA on documented service output
Safety Edge	NO, NC, 8.2 kΩ resistive or optical OSE
ALT Input	Normally closed safety contact
OPEN Input	Normally open contact
CLOSE Input	Normally open contact
PHOTO / Input 1	Normally closed contact, programmable through O-View
Radio Receiver Slot	SM connector
Documented Receiver Families	SMXI, SMXIS, OXI, OXIT
Aerial Input	52 Ω, RG58-type cable or similar, maximum 10 m
Optional Relay Outputs	2 potential-free programmable outputs with NDA040
Programming	Compatible NICE programming interface / O-View functions
Operating Temperature	-20°C to +50°C
Protection Rating	IP55
Dimensions	Approx. 310 × 210 × 160 mm
Weight	Approx. 2.5 KG

230 V Single-Phase Motor Control

The D-PRO 500 can control one compatible 230 VAC single-phase motor up to the official maximum motor power of 2.2 kW.

The controller must be configured and wired according to the motor type and Nice installation instructions.

400 V Three-Phase Motor Control

The D-PRO 500 is also designed for one compatible 400 VAC three-phase motor up to 2.2 kW.

This makes the control unit particularly suitable for large industrial automation applications where three-phase motors are used.

3 × 230 V Three-Phase Configuration

The official D-PRO 500 technical manual also lists a 3 × 230 VAC three-phase configuration.

This must only be used where the motor and electrical supply are correctly configured for the required voltage.

NICE TUB4000 Compatibility

The NICE TUB4000 heavy-duty sliding gate motor is officially supplied with an integrated D-PRO 500 control unit.

TUB4000 is a 400 VAC industrial sliding gate operator designed for gates up to 4000 KG and is therefore one of the most important applications for this controller.

TUB4000 Technical Context

The TUB4000 motor itself is officially specified with:

• 400 VAC supply
• 580 W motor power
• Maximum gate weight up to 4000 KG
• 0.16 m/s nominal movement speed
• Electromechanical brake
• Self-ventilated motor
• Built-in D-PRO 500 control unit

The electromechanical braking and motor ventilation are characteristics of the TUB4000 motor/operator system and should not be incorrectly described as general electronic features built into every D-PRO 500 application.

Important: D-PRO 500 Is Not Only for TUB4000

Your product page should not describe D-PRO 500 as a controller designed exclusively for TUB4000 or TUB5000.

NICE officially defines D-PRO 500 more broadly as a controller for compatible:

• 230 VAC single-phase motors
• 400 VAC three-phase motors
• Motors up to 2.2 kW
• Motors with NICE mechanical limit switches
• Motors with NICE electronic limit systems

Exact motor compatibility should always be verified before installation.

TUB5000 Compatibility Warning

Do not state that D-PRO 500 is automatically compatible with NICE TUB5000 unless you have the exact TUB5000 motor documentation confirming the required control unit and electrical configuration.

The current NICE catalogue clearly documents TUB4000 with built-in D-PRO 500. For this product page, TUB4000 should therefore be the primary named NICE motor application.

Mechanical and Electronic Limit Switches

The D-PRO 500 is designed for compatible motors fitted with NICE mechanical or electronic limit systems.

Correct limit-switch wiring is essential because the control unit uses these inputs to stop the motor safely at the opening and closing travel positions.

Pre-Limit Input

NICE catalogue specifications identify a programmable pre-limit function on D-PRO 500.

Where used, the pre-limit logic must be configured according to the exact industrial motor and application.

Automatic and Man-Present Operation

The D-PRO 500 supports both automatic operation and hold-to-run / man-present operation.

This is particularly useful for industrial installations that require controlled movement during setup, servicing or specific operating modes.

OPEN Command Input

The dedicated OPEN input accepts a normally-open control contact.

Compatible command devices can include:

• Push buttons
• Key selectors
• External receivers
• GSM gate controllers
• RFID access controllers
• ANPR systems
• Industrial PLC relay outputs

CLOSE Command Input

The CLOSE input accepts a normally-open contact and can be used for a separate closing command.

Separate OPEN and CLOSE inputs are useful in industrial installations where independent controls are required.

ALT Safety Input

The ALT input is intended for a normally-closed safety circuit.

The exact safety-chain wiring must follow the D-PRO 500 installation manual.

PHOTO Input

The D-PRO 500 provides a conventional programmable input that can be used for a photocell safety contact.

This is a relay/contact-based safety architecture rather than a standard NICE BlueBUS connection.

D-PRO 500 Is Not a BlueBUS Control Unit

This is an important correction for your current product page.

The D-PRO 500 manual documents conventional safety and control inputs. It does not provide the standard NICE BlueBUS terminal architecture used by controllers such as MC824H.

Therefore, do not market D-PRO 500 as a BlueBUS controller.

NICE EPM Photocells

The NICE EPM conventional relay-output photocell is a more appropriate NICE photocell type to mention for D-PRO 500 installations where the voltage and relay wiring are correctly configured.

Do Not List EPMB as Direct BlueBUS Compatibility

The NICE EPMB is a BlueBUS photocell.

It should not be shown as a direct BlueBUS accessory for D-PRO 500 because D-PRO 500 does not provide the standard BlueBUS connection used by EPMB.

Safety Edge Support

D-PRO 500 has strong industrial safety-edge capability.

The official manual supports safety edges using:

• Normally-closed contact
• Normally-open contact
• 8.2 kΩ resistive edge
• Optical OSE safety edge

NICE catalogue information also describes compatibility with optical, resistive and pneumatic sensitive-edge systems.

Automatic Safety-Edge Recognition

The controller can automatically learn supported STOP / safety-edge device types such as OSE or 8.2 kΩ configurations.

If the learned safety condition changes, the system must be diagnosed rather than simply bypassing the safety device.

24 VDC Accessory Output

The official D-PRO 500 manual specifies a 24 VDC service output up to 100 mA on the documented terminals.

Always calculate the total accessory load before connecting external devices.

Radio Receiver Connector

D-PRO 500 includes a NICE SM plug-in radio receiver socket.

The official manual specifically documents receiver families including:

• SMXI
• SMXIS
• OXI
• OXIT

NICE OXI

OXI is a documented NICE plug-in receiver family for the D-PRO 500 SM receiver connector.

Remote-control compatibility then depends on the receiver frequency and radio coding.

NICE OXIBD Compatibility

Your current page lists OXIBD.

The D-PRO 500 manual revision I verified explicitly lists SMXI, SMXIS, OXI and OXIT. Current NICE catalogues identify D-PRO 500 with modern BiDi / Opera architecture, but I recommend avoiding an absolute statement that every D-PRO 500 revision accepts every modern receiver without verification.

Safer wording:

Compatible with NICE SM plug-in receivers appropriate to the exact D-PRO 500 revision; official manuals document SMXI, SMXIS, OXI and OXIT.

Remote Control Compatibility

The D-PRO 500 itself does not determine which NICE remote control will work.

Remote compatibility depends on:

• Installed receiver model
• Operating frequency
• Radio protocol
• Receiver memory configuration

Do not list ERA ONE, ERA FLOR, MYGO and INTI together as universally compatible.

External Aerial

The radio aerial input is specified for approximately 52 Ω using RG58 cable or equivalent, with a maximum documented cable length of approximately 10 m.

NDA040 Optional Output Module

The optional NICE NDA040 module adds two programmable potential-free relay outputs to the D-PRO 500.

These outputs can be configured through the compatible NICE programming system.

Potential-Free Outputs

With NDA040 installed, the two additional relay contacts can be useful for integration with:

• Traffic lights
• Status indicators
• Building management systems
• Alarm systems
• Industrial PLC systems
• Access-control systems

Pro-View / O-View Programming

NICE describes D-PRO 500 as programmable through the NICE professional programming architecture.

Current NICE catalogue information identifies programming through Pro-View via the optional IBT4N interface, while older D-PRO documentation references O-View programming.

Because programming accessories have changed across NICE generations, use:

Advanced programming and diagnostics available through compatible NICE professional programming interfaces, depending on controller revision.

IBT4N Interface

NICE catalogues list the IBT4N interface among D-PRO 500 accessories for connection to compatible programming and Opera devices.

Programmable Maintenance Warning

Current NICE catalogue documentation states that a maintenance-service warning can be programmed according to the number of manoeuvres.

This can be useful for high-use industrial gates where preventative servicing is important.

Two Diagnostic LEDs

NICE describes D-PRO 500 as providing simplified programming with two diagnostic LEDs.

These indicators help a trained installer diagnose control and safety conditions during commissioning and servicing.

Do Not Claim Adjustable Motor Speed Generally

Your current page states adjustable speed, acceleration and deceleration.

This should be removed as a general D-PRO 500 specification.

D-PRO 500 is a conventional controller for compatible single-phase and three-phase motors. Motor-speed control depends on the motor architecture and any associated inverter system.

Do not promise variable-speed operation unless the exact connected motor and inverter arrangement supports it.

Do Not Claim Electronic Braking Generally

Your current description states electronic braking.

The NICE TUB4000 has an electromechanical brake built into the motor system to control gate inertia.

That does not mean D-PRO 500 universally provides electronic braking for every connected motor.

Obstacle Detection Claim

Your current page advertises electronic obstacle detection and anti-crush protection.

I recommend removing this as a blanket D-PRO 500 feature unless the exact motor, encoder and safety configuration has been verified.

D-PRO 500's clearly documented safety architecture includes external photocells, safety edges, STOP circuits and limit controls.

Use:

Advanced safety-device management with compatible photocells, sensitive edges, STOP circuits and motor limit systems.

Safety Devices Remain Essential

Industrial gate safety should rely on correctly selected and commissioned protective devices such as:

• Photocells
• Safety edges
• Emergency stop devices
• Mechanical or electronic travel limits
• Vehicle-detection systems where required

GSM Gate Opener Integration

A compatible GSM gate controller can operate D-PRO 500 using an isolated dry relay contact connected to an appropriate OPEN command input.

The GSM controller must never directly switch or power the industrial motor.

RFID Access Control

RFID access-control systems can operate the D-PRO 500 using an appropriate dry relay command.

ANPR Camera Integration

An ANPR access-control system can command the automation using a suitable isolated relay output or through an industrial access controller.

Vehicle Loop Detector

A vehicle loop detector can be integrated through its dry relay outputs where appropriate for the required access logic.

Safety and vehicle-presence logic must be designed so that the gate cannot close onto a vehicle.

Industrial PLC Integration

The dedicated OPEN/CLOSE inputs and optional NDA040 potential-free outputs make D-PRO 500 suitable for integration with professional industrial control systems where electrically compatible.

Flashing Light Compatibility

Do not list both ELAC and ELDC as automatically direct-compatible accessories without checking the exact output arrangement.

D-PRO 500 installations can use signaling devices according to the controller and motor wiring architecture. Match the lamp voltage to the exact documented output or external control arrangement.

ELDC Warning

NICE ELDC is a 12–36 VDC flashing light.

It should not be connected to a mains-voltage circuit unless the correct low-voltage supply/interface is provided.

ELAC Warning

NICE ELAC operates from 90–240 VAC.

If ELAC is used, confirm that the chosen D-PRO 500 installation provides the correct mains-voltage switching arrangement.

IP55 Protection

The official D-PRO 500 technical specification gives the complete enclosed controller a protection rating of IP55.

This rating applies when the controller housing is correctly assembled and installed.

Operating Temperature

The official operating-temperature range is approximately -20°C to +50°C.

Installation conditions should keep the control unit within this limit.

UAE Installation Conditions

Do not state that the controller is specifically manufactured to withstand unlimited UAE heat, dust and humidity.

Use the verified specification instead:

IP55 enclosed industrial control unit with an official operating-temperature range of approximately -20°C to +50°C when correctly installed.

In UAE outdoor installations, avoid locations where direct sunlight or poor ventilation can push the enclosure beyond the specified operating temperature.

Condensation Protection

The NICE manual specifically warns that water accumulated in cable ducts can create condensation inside the control-unit enclosure and damage electronic circuits.

Use correct cable routing and cable glands to prevent water and condensation entering the controller.

Do Not Install in Explosive Atmospheres

NICE explicitly states that D-PRO 500 must not be installed in environments subject to explosion risk.

Professional Installation Required

D-PRO 500 controls mains-powered industrial motors at up to 400 VAC three-phase.

Installation and servicing should therefore be carried out by a competent industrial gate automation technician or qualified electrical professional familiar with three-phase motor systems and automation safety.

Before Replacing a D-PRO 500

Before replacing the controller, verify:

• Exact motor model
• Single-phase or three-phase supply
• 230 V or 400 V configuration
• Motor rated power
• Motor current
• Mechanical/electronic limit-switch type
• Safety-edge wiring
• Photocell wiring
• Radio receiver type
• Existing D-PRO 500 revision

Do Not Replace the Controller Before Diagnosing the Fault

If an industrial gate is not working, inspect:

• Mains voltage
• Three-phase supply condition
• Controller fuses
• Motor windings
• Motor brake
• Opening and closing limit switches
• Safety-edge circuit
• ALT / emergency-stop circuit
• Photocells
• External control wiring

Motor Does Not Run

If the motor does not start, first check:

• Correct mains supply
• Motor voltage configuration
• Power-board fuses
• ALT safety circuit
• Limit switch status
• OPEN/CLOSE command inputs
• Motor wiring

Motor Runs in the Wrong Direction

On three-phase motors, motor direction can depend on phase sequence and controller wiring.

The opening and closing direction must be verified during commissioning before normal automatic operation.

Gate Opens but Does Not Close

Check:

• PHOTO input
• Safety edge
• ALT safety circuit
• Closing limit
• CLOSE command input
• Automatic operating logic

Radio Remote Does Not Work

If wired OPEN/CLOSE commands work but the remote does not, check:

• Installed SM receiver
• Remote frequency
• Radio protocol
• Remote programming
• Aerial connection

Package Contents

• 1 × NICE D-PRO 500 Industrial Control Unit

NDA040 module, IBT4N, programming unit, radio receiver, transmitters, photocells, flashing light and safety edges should only be listed as included when they are physically supplied with your product.

Industrial Applications

The NICE D-PRO 500 is suitable for compatible industrial automation systems used at:

• Factories
• Warehouses
• Logistics centres
• Industrial compounds
• Ports and terminals
• Manufacturing plants
• Commercial facilities
• High-security vehicle entrances

NICE D-PRO 500 Supply & Installation UAE

Supply, replacement, programming and troubleshooting support for compatible NICE D-PRO 500 systems is available throughout Dubai, Sharjah, Abu Dhabi, Ajman, Ras Al Khaimah, Fujairah, Umm Al Quwain and Al Ain.

Why Choose NICE D-PRO 500?

• Original NICE industrial control unit
• 230 VAC single-phase motor support
• 400 VAC three-phase motor support
• Maximum 2.2 kW motor power
• Compatible mechanical/electronic limit management
• Automatic and hold-to-run operation
• Advanced safety-edge compatibility
• Dedicated OPEN and CLOSE commands
• SM radio receiver slot
• Optional NDA040 dry-contact outputs
• Professional programming support
• IP55 enclosure

Buy NICE D-PRO 500 Control Unit UAE

Buy the NICE D-PRO 500 industrial motor control unit in UAE for compatible 230 VAC single-phase or 400 VAC three-phase automation motors up to 2.2 kW.

For NICE sliding gate applications, D-PRO 500 is officially integrated with the TUB4000 heavy-duty industrial operator.

Before ordering, confirm the exact motor voltage, motor power, limit-switch system and existing controller revision.

Supply, professional installation, programming and technical support are available throughout Dubai, Sharjah, Abu Dhabi, Ajman, Al Ain, Ras Al Khaimah, Fujairah and Umm Al Quwain.

Frequently Asked Questions

What is NICE D-PRO 500?
D-PRO 500 is an industrial NICE control unit designed for compatible single-phase and three-phase motors with mechanical or electronic limit switches.

What motor voltage can D-PRO 500 control?
Official documentation specifies one 230 VAC single-phase motor or one 400 VAC three-phase motor. A 3 × 230 VAC three-phase configuration is also documented.

What is the maximum motor power?
Up to 2.2 kW.

Does D-PRO 500 work with NICE TUB4000?
Yes. NICE officially specifies TUB4000 with an integrated D-PRO 500 control unit.

Does D-PRO 500 work with TUB5000?
Do not assume compatibility from the product family name alone. Verify the exact TUB5000 motor documentation, voltage and controller requirement before ordering.

Does D-PRO 500 support BlueBUS?
It is not a standard NICE BlueBUS controller. Its documented safety architecture uses conventional inputs, including PHOTO and safety-edge connections.

Can I connect NICE EPM photocells?
A conventional relay-output photocell such as EPM can be appropriate when correctly powered and connected to the conventional safety input.

Can I connect EPMB directly as BlueBUS?
No. EPMB is a BlueBUS photocell, while D-PRO 500 does not provide the normal BlueBUS accessory bus.

Which safety edges are supported?
The official manual supports NO, NC, 8.2 kΩ resistive and optical OSE safety-edge arrangements.

Does D-PRO 500 have OPEN and CLOSE inputs?
Yes. The official manual documents separate normally-open OPEN and CLOSE command inputs.

Can I connect a GSM gate opener?
Yes. Use the GSM controller's isolated dry relay output to command a suitable OPEN input. Do not switch the industrial motor directly through the GSM relay.

Does D-PRO 500 accept a radio receiver?
Yes. It has an SM plug-in receiver connector. Official documentation lists SMXI, SMXIS, OXI and OXIT receiver families.

Can I connect OXIBD?
Receiver compatibility should be checked against the exact D-PRO 500 revision. The manual verified here explicitly documents SMXI, SMXIS, OXI and OXIT.

What is NDA040?
NDA040 is an optional Nice module that adds two programmable potential-free relay outputs.

What is the D-PRO 500 IP rating?
IP55 for the complete enclosed controller when correctly installed.

What is the operating temperature?
Approximately -20°C to +50°C according to the official technical specification.

Do you provide D-PRO 500 installation in UAE?
Yes. Supply, replacement, programming and troubleshooting support is available for compatible industrial gate automation systems throughout the UAE.