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Data Acquisition and Control Products by Interworld Electronics

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Interworld’s data acquisition and control products are designed for use with all the bus connectivity standards including PCI-E (PCI Express), Universal PCI, PCI, USB, Ethernet, Modbus (Serial RTU and Ethernet TCP), mini-PCIe, PC/104, PC/104 Plus. Interworld also carries a range of standalone miniature Dataloggers.

Data acquisition and control is made up of both analogue input and output signals as well as digital I/O signals.

Multi-Function Analogue I/O Boards

Multi-function Analogue I/O boards make it easy for the designer to build a complete Data Acquisition and Control system.

Analogue input boards are useful for measuring the variably changing conditions in the real world. When we want to measure these variably changing conditions, we need analogue inputs to convert these changing real world conditions to changing electrical quantities eg, monitoring the temperature inside a wood kiln, or the water pressure on the output of a pump, or the heart rate of a medical patient. In each of these cases, you can use one of our analogue input devices to convert the electrical data from a sensor or transducer into binary data that can then be used by your computer. Interworld’s analogue input boards amplify and multiplex input signals from thermocouples, strain gauges, accelerometers, photo sensors, flowmeters, RTDs, thermistors, voltage sources, millivolt sources, and current sources, just to name a few.

Analogue output boards are useful when you need an output where the condition is not just an on or off state. Analog Output boards convert digital values generated by software into the analogue voltage or current signals required for controlling frequency inverters, valves, sliders, brightness of lights, or things controlled by motors and other mechanical transducers.

Ideal applications include light control, motion control, and process controls.

Key features include:

  • High-speed 16-bit Analogue to Digital (A/D) converters
  • Sample rates up to 1Mhz
  • Single-ended and differential-ended inputs
  • Auto Calibration
  • Programmable voltage ranges
  • FIFO data buffers
  • Analogue outputs
  • Digital I/O and Counter/Timers

Dedicated Analogue Output Boards

Analogue Output and Arbitrary Waveform Generation boards are available with:

  • 12-bit Digital to Analogue (D/A) converters
  • Up to 16 output channels
  • On-board 128K sample buffers for waveform data storage
  • Up to 125K samples per DAC per second.
  • Signal generation and analogue output streaming

Digital I/O

In many cases, we only need to know a simple status about the device we are trying to collect data from, whether something is true or false, on or off, in one position or another. In these cases, we can determine what we need to know using a digital input, or control these things by a digital output. Digital I/O can fit into many applications. Anywhere your application requires something switched from one state to another, or a two-position contact monitor. Such applications include handshaking, pattern input and output, and change of state detection.

Key features of the Digital I/O range includes:

  • TTL I/O, Optically Isolated Inputs
  • Isolated Relay Outputs
  • High Current (2A) Relay Outputs or Solid State Outputs
  • Change-of-State detection
  • Optical isolation
  • Independent counter timers
  • High current switching

Modbus Compatible Products

Our range of Modbus compatible products can be expanded and distributed to allow complex Supervisory Control and Data Acquisition (SCADA) systems to be realized.

  • Distributed data acquisition and control.
  • (Modbus RTU) and Ethernet (Modbus TCP) support
  • RS-232, RS-485, USB, Ethernet and Wireless Ethernet connectivity
  • Digital I/O, Isolated I/O and Analogue I/O
  • Expandable and Stackable Modules


MSR dataloggers are highly suited to a wide range of data collection and monitoring tasks. These miniature data logging systems are fully customizable with a range of inbuilt and external sensors for measuring 3-axis acceleration, temp, humidity, pressure and light.

  • Capability of recording and storing thousands of measurements
  • Tailored to your field of application
  • Analogue inputs for external sensors
  • Choice of case, measurement parameters and sensors
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    Contact Interworld Electronics

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    933 Glenhuntly Rd
    Caulfield South
    VIC 3162
    Tel: 03 95937555
    Fax: 03 9563 5033

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