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Digital output boards provide 32 channels

An Adept Scientific product story
Edited by the Engineeringtalk editorial team Jun 4, 2008

Guardian boards offer an input mode that monitors the output voltage and current of each channel and easily detects opens, shorts and off-normal operation.

Adept Scientific has added United Electronic Industries' (UEI) Guardian DNA/DNR-DIO-432 and -433 industrial digital output boards to their range of data acquisition hardware.

The DNA models are designed for use with UEI's popular Ethernet Cube family PowerDNA, UEIPAC, UEILogger and Modbus Cubes.

The DNR models are designed for UEI's new 12-slot rack-mounted RACKtangle I/O chassis.

Each board provides 32 channels of digital output, with up to 600mA per-channel of continuous current with an output voltage drop of less than 550mV.

The -432 version outputs are configured as current sources while the -433 outputs are configured as current sinks.

The output ports are configured as single 32bit words, the maximum output throughput rate is 1ksamples/s and the boards have an operating range of 3.3 to 36V DC.

The boards offer an input mode that monitors the output voltage and current of each channel and easily detects opens, shorts and off-normal operation.

A powerful and convenient diagnostic tool, this function enables a technician to localise and correct faults quickly and accurately.

In addition channels not used as digital outputs may be used to measure 0-36V DC analogue voltage inputs with +/-10mV accuracy.

Each channel also offers a pulse-width-modulated (PWM) 'soft-start/stop' feature that applies and removes power gradually, greatly increasing the life and reliability of devices and components affected by thermal shock.

A PWM output may also be used to drive a low-speed, high-current device or as a 'dimmer' for indicating lights and similar devices.

Software for the boards is provided in the UEIDAQ Framework API.

Framework provides a simple and complete software interface to all popular programming languages, operating systems and data acquisition/control application packages such as LabView, Matlab/Simulink and DASYLab.

Find out more about this article. Request a brochure, download technical specifications and request samples here.

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