DC Input Process Indicator DIS871-24
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4-20 mA DC Input Process Indicator With 24 VDC Power Supply For Two-Wire Transmitter
Features
The DIS871-24 provides a display, optional isolated DC output voltage or current proportional to a DC input signal, and optional alarm setpoints. The units include filtering and conditioning to reduce susceptibility to transients and noisy operations. The digital display utilizes an auto-zero dual-slope integrating A/D converter for accuracy and stability. All controls are accessible by removing the gasketed front access panel. The display controls are wide-ranging so that it can be calibrated to display engineering units. Decimal point selection is made with a switch, also accessible from the front. A complete set of engineering unit labels is sent with each DIS. Once the display has been adjusted to read the correct engineering units, the alarm setpoints can be adjusted without test equipment and without disturbing the transmitter output. Either setpoint may be displayed by use of the SP CAL switch. Each setpoint has an LED to indicate alarm status. The alarms have adjustable deadbands. Terminations are made to a screw terminal connector on the rear of the case. Typical Applications DC process indication, control, monitoring, voltage/current scaling, isolation, buffering, noise redution, driving, DC monitor/current limit, level/position control, HI/LO pressure alarm, power demand warning. Mounting The DIS is designed to be mounted from the front of a panel through a standard horizontal 3.62 x 1.77 inches (1/8 DIN) cutout. Two mounting cam-screws secure the DIS to the panel. Specifications
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