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Analog Multiplexer/Demultiplexer System

Item# DRA-DM-11

Analog Multiplexer/Demultiplexer System Analog Multiplexer/Demultiplexer System
The DRA-MDM-11 is a mux/demux system which transfers analog information accurately via a single pair of wires. The multiplexer unit (DRA-M-11) accepts up to sixteen 4-20 mA process current inputs. The multiplexed inputs are transferred to the demultiplexer unit (DRA-DM-11) at a scan rate of up to 1000 channels/sec up to a distance of 2 kilometers (1.2 miles). At the demultiplexer the current outputs are reproduced in the same order and magnitude as the inputs. The demultiplexer is provided with an alarm (flashing LED and dry contact output) which is operated whenever there is any interruption in communication due to mux failure, cable discontinuity or short-circuit. Use of the DRA-MDM-11 mux/demux system enables a considerable reduction in cabling costs for a new installation or considerable expansion of analog data transfer capability in an existing installation.
DRA-DM-11
  • Parallel/Serial Communications Ports
  • ±0.1% Accuracy
  • 12 Bit Resolution
  • Solid-State Technology
Input Ranges
Input Type
Number of Inputs
Output Type
Quantity Price each
1-4 $1,015.00
5-9 $964.25
10-24 $943.95
25-49 $903.35
50-99 $883.05
100+ $862.75

In stock

Lead Time ( If not in Stock): 8 weeks

Product Specs

  • Accuracy Value ±0.1% of span typical ±0.25% of span max
  • Form Factor Standard 35 mm DIN railor wall mount
  • Indicator 16 red LEDs for output currents
  • Maximum Ambient Humidity 95% RH non-condensing
  • Maximum Ambient Temperature 70 {C} (158 {F})
  • Minimum Ambient Temperature 0 {C} (32 {F})
  • Maximum Storage Temperature 85 {C} (185 {F})
  • Minimum Ambient Humidity 5% RH
  • Minimum Storage Temperature -25 {C} (-13 {F})
  • Form Factor Standard 35 mm DIN railor wall mount
  • Accuracy Value ±0.1% of span typical ±0.25% of span max
  • Indicator 16 red LEDs for output currents
  • Maximum Storage Temperature 85 {C} (185 {F})
  • Maximum Ambient Humidity 95% RH non-condensing
  • Maximum Ambient Temperature 70 {C} (158 {F})
  • Minimum Ambient Humidity 5% RH
  • Minimum Ambient Temperature 0 {C} (32 {F})
  • Minimum Storage Temperature -25 {C} (-13 {F})

The DRA-MDM-11 is a mux/demux system which transfers analog information accurately via a single pair of wires. The multiplexer unit (DRA-M-11) accepts up to sixteen 4-20 mA process current inputs. The multiplexed inputs are transferred to the demultiplexer unit (DRA-DM-11) at a scan rate of up to 1000 channels/sec up to a distance of 2 kilometers (1.2 miles). At the demultiplexer the current outputs are reproduced in the same order and magnitude as the inputs. The demultiplexer is provided with an alarm (flashing LED and dry contact output) which is operated whenever there is any interruption in communication due to mux failure, cable discontinuity or short-circuit. Use of the DRA-MDM-11 mux/demux system enables a considerable reduction in cabling costs for a new installation or considerable expansion of analog data transfer capability in an existing installation.

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