Published on Aug 26, 2008


Applying Isolation Technologies in Winmate's Products
as
Reliable Industrial Devices


Voltage, current, temperature, pressure, strain, and flow measurements are an integral part of industrial and process control applications. Often these applications involve environments with hazardous voltages, transient signals, common-mode voltages, and fluctuating ground potentials capable of damaging measurement systems and ruining measurement accuracy. To overcome these challenges, measurement systems designed for industrial applications make use of electrical isolation.

Isolation electrically separates the sensor signals, which can be exposed to hazardous voltages, from the measurement system's low-voltage backplane. Isolation offers many benefits including:

  • Protection for expensive equipment, the user, and data from transient voltages
  • Improved noise immunity
  • Ground loop removal
  • Increased common-mode voltage rejection

Consider isolation for measurement systems that involve any of the following:

  • Vicinity to hazardous voltages
  • Industrial environments with possibility of transient voltages
  • Environments with common mode voltage or fluctuating ground potentials
  • Electrically noisy environments such as those with industrial motors
  • Transient sensitive applications where it is imperative to prevent voltage spikes from being transmitted through the measurement system
  • Optical Isolation:
    LEDs produce light when a voltage is applied across them. Optical isolation uses an LED along with a photo-detector device to transmit signals across an isolation barrier using light as the method of data translation. A photo-detector receives the light transmitted by the LED and converts it back to the original signal.
  • Inductive Isolation:
    Inductive isolation uses a pair of coils separated by a layer of insulation. Insulation prevents any physical signal transmission. Signals can be transmitted by varying current flowing through one of the coils, which causes a similar current to be induced in the second coil across the insulation barrier. Inductive isolation can provide high-speed transmission similar to capacitive techniques. Because inductive coupling involves the use of magnetic fields for data transmission, it can be susceptible to interference from external magnetic fields.
Applied Products:  
Marine Bridge Display
Marine High Brightness LCD
The Marine Bridge System LCD is an extraordinary display design with transflective panel, dimming brightness, ease of use OSD front panel control, IP65 resistant, multi-scan, touchscreen, wide voltage range power input acceptable, and anti-corrosion. The Marine Bridge System LCD is an extraordinary display design with high brightness panel, dimming brightness, ease of use OSD front panel control, IP65 proof, multi-scan, touchscreen, wide voltage range power input acceptable.
Marine Transflective Panel PC
High Brightness Marine Panel PC
The Marine Grade Panel PC is high performance, fanless, low power PC with AMD CS 5536 chipset combine with a transflective Panel, dimming brightness, ease of use OSD front panel control, IP65 proof, touchscreen, wide voltage range power input acceptable, and anti-corrosion. The Marine Grade Panel PC is high performance, fanless, low power PC with AMD CS 5536 chipset combine with a high brightness Panel, dimming brightness, ease of use OSD front panel control, IP65 resistant, touchscreen, wide voltage range power input acceptable.
G-WIN Embedded Automation Controller
G-WIN Isolation Distributed I/O
G-Win Embedded Automation Controller was born to industrial automation and M2M (machine to machine) applications. Special design for Automation processes is RS232/422/485 serial ports with isolation and auto-direction function. The Distributed I/Os is a series of sensor modules connected to automation controller to detect or control remote devices. The modules are designed for standard industrial unregulated power supply range.
DD-IRTPS Isolation 100W
G-WIN Converter board
  • High efficiency DC-DC
  • Power Supply
  • lowinrush current
  • Output over-currentprotection
  • Simple to install
  • RoHS Compliant
  • No minimum load required
The G-WIN Converter boards are serial converter boards that convert RS232 signal to RS232/422/485 signal for data transmitting. They automatically detect signals to match RS-422 or RS-485 networks.

More Information:

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