Series production of DIN rail Modbus boards

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Modules of our own design.

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101 modules of our own design

We develop these modules ourselves. Most of them work at 12 and 24 V DC and fit on a DIN rail. For each module you will find the specifications, the connections and the setup instructions. Choose a product group, or search by the signal you have and the signal you need.

Product groups

  • Signal converters4-20 mA, 0-10 V, ±10 V

    ProCircuits signal converters and controllers in DIN rail enclosures

    Converts 4-20 mA, 0-10 V, 0-5 V, ±10 V, PWM, pulses or current into the signal your PLC or instrument expects, galvanically isolated if required.

    For example

    • 0-10 V to 4-20 mA
    • 4-20 mA to ±10 V
    • Current transformer to 4-20 mA
    View 33 modules
  • PotentiometersJoystick, resistance

    PR100 series potentiometer converter on a DIN rail holder

    Turns a potentiometer, a joystick with centre position or a resistance sensor into a 4-20 mA, 0-10 V or 0-5 V signal, with adjustable limits.

    For example

    • Potentiometer to 4-20 mA
    • Joystick with centre position
    • Resistance sensor to 4-20 mA
    View 9 modules
  • DimmersLED and lighting

    PR507 five-channel dimmer on a DIN rail holder

    Dims LED and halogen lighting at 12 and 24 V DC, high-side or low-side switched, controlled by potentiometer, push button, 0-10 V or 4-20 mA.

    For example

    • Potentiometer or push-button control
    • Control by 0-10 V or 4-20 mA
    • Multi-channel display dimmers
    View 18 modules
  • Valve driversPWM for hydraulics

    Water unit with solenoid valves and a ProCircuits board

    Drives hydraulic valves, motors and pumps with PWM from 0-10 V, ±10 V, a joystick or a switch contact, with adjustable ramp-up and ramp-down where needed.

    For example

    • 0-10 V or ±10 V to PWM
    • Joystick to two valves
    • Switch contact to PWM
    View 11 modules
  • PID controllersProcess and position

    PR515x006 PID module with network connector and screw terminals

    Controls a process to a setpoint, or a position to a joystick position, set up via the display.

    For example

    • PID module 0-10 V with display
    • Joystick PID with PNP outputs
    View 2 modules
  • I/O modulesModbus, CAN and USB

    PR157s08 with eight relay outputs and CAN bus on a DIN rail holder

    Reads up to 16 voltages, resistances or contacts via Modbus RS485, switches relays via CAN bus, and isolates or repeats an RS485 network.

    For example

    • 16 inputs to Modbus
    • 8 relay outputs with CAN bus
    • RS485 isolator and repeater
    View 10 modules
  • MarineNavigation, power, toilet

    PR150 emergency power switchover on a DIN rail holder

    Monitors navigation lights, switches over to emergency power, flushes the toilet automatically and measures the position of spud poles.

    For example

    • AutoFlush toilet controller
    • Navigation light monitor
    • Emergency power switchover
    View 8 modules
  • ControlsIndication, accessories

    Control panel with buttons and display

    LED bars for 4-20 mA, touch buttons behind glass, indication inputs and small accessories such as a fuse holder and an ideal diode.

    For example

    • LED bar for 4-20 mA
    • Touch buttons behind glass
    • Ideal diode, fuse holder
    View 10 modules
  • Is your module not listed?

    A different input, another range, galvanic isolation or your own logo: we adapt an existing module, or develop a new one. The design is ours, so we do not start from scratch.

How to order

Price and lead time depend on quantity and version. That is why you request them from us, and you speak directly with the developer.

  • Choose a module

    By product group or by input and output. Each module has its own page with specifications and connections.

  • Request price and lead time

    With the button on the product page, via WhatsApp or by email. Willem replies on working days.

  • Order with a purchase order

    You order by email with a purchase order. We supply businesses only.

Get in touch, without obligation

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