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Thursday 10 July 2008

Quadrature encoder mingles with PACs

Jessica Darnbrough

Advantech has launched a high speed quadrature encoder and counter module for use with Programmable Automation Controllers (PACs).

The ADAM-5081 has a high isolation of 2,500 VDC, a high speed frequency mode (5 Hz ~ 1 MHz), and a counter code at 1 MHz.

There’s also a digital filter to eliminate noise and interference (1 ~ 65000ì sec) which ensures accurate data collection and transmission.

The device comes with a digital filter to eliminate noise.
The device comes with a digital filter to eliminate noise.

The ADAM-5081 features four counter modes (up/down, bi-directional, up and A/B phase modes), which counts precise data units in minute detail. The frequency mode of the ADAM-5081 supports up to eight channels and can control a wider range of electromagnetic wave status under certain conditions.

The device supports four digital output channels, which can be triggered by a preset counter value, and can watch the position encoder of the machine while doing the position comparing. Once the preset value is reached, the system requires a digital output signal to trigger the camera. With built-in DO channels already in the ADAM-5081, the respond speed is maximized.

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