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Digital to 8 Current Loop Converter

Item# DRA-DCC-8

Digital to 8 Current Loop Converter Digital to 8 Current Loop Converter
The DRA-DCC-8 is a microprocessor-based unit which converts digital data into eight continuous analog current loops. The processor controls the digital input, handles the active memory of the unit and updates the current outputs. For digital input range of 000 HEX to FFF HEX, the unit provides two user selected output current spans of either 4 to 20 mA or 0 to 20 mA. One parallel and two serial ports are available. The parallel input port receives an asynchronous 15 bit bus composed of a 3 bit output channel address and 12 bits of data representing the output current value. DRA-DCC-8 units can be connected in parallel to the input bus and selected by controlling the Enable (E) input terminal. The unit’s controller continuously scans the input data field and compares it to the previously stored data. When new data is encountered, the old data is replaced and the proper output current is updated. The DRA-DCC-8 provides both RS-232C and RS-422 full duplex serial communications ports. The RS-422 serial communications port enables use of up to eight DRA-DCC-8 units in a multi-drop configuration. A set of seven internal DIP switches enables parameters such as baud rate, unit identity code, digital input mode (parallel or serial) and output current span (4-20 mA or 0-20 mA) to be set by the user.
DRA-DCC-8
  • Multiplexes Sixteen 4-20 mA Inputs Into One 4-20 mA Output
  • ± 0.01% Accuracy
  • Channel Selection Controlled by 4 Discrete Inputs
  • Solid-State Technology
  • Economical PLC Upgrade
Input Type
Number of Inputs
Output Type
Quantity Price each
1-4 $865.00
5-9 $821.75
10-24 $804.45
25-49 $769.85
50-99 $752.55
100+ $735.25

In stock

Lead Time ( If not in Stock): 8 weeks

Product Specs

  • Accuracy Value ±0.1% of span typical ±0.2% of span max
  • Form Factor Standard 35 mm DIN rail or wall mount
  • Indicator 8 red LEDs for current outputs
  • Maximum Ambient Humidity 95% RH non-condensing
  • Maximum Ambient Temperature 55 {C} (131 {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 rail or wall mount
  • Accuracy Value ±0.1% of span typical ±0.2% of span max
  • Indicator 8 red LEDs for current outputs
  • Maximum Storage Temperature 85 {C} (185 {F})
  • Maximum Ambient Humidity 95% RH non-condensing
  • Maximum Ambient Temperature 55 {C} (131 {F})
  • Minimum Ambient Humidity 5% RH
  • Minimum Ambient Temperature 0 {C} (32 {F})
  • Minimum Storage Temperature -25 {C} (-13 {F})

The DRA-DCC-8 is a microprocessor-based unit which converts digital data into eight continuous analog current loops. The processor controls the digital input, handles the active memory of the unit and updates the current outputs. For digital input range of 000 HEX to FFF HEX, the unit provides two user selected output current spans of either 4 to 20 mA or 0 to 20 mA. One parallel and two serial ports are available. The parallel input port receives an asynchronous 15 bit bus composed of a 3 bit output channel address and 12 bits of data representing the output current value. DRA-DCC-8 units can be connected in parallel to the input bus and selected by controlling the Enable (E) input terminal. The unit’s controller continuously scans the input data field and compares it to the previously stored data. When new data is encountered, the old data is replaced and the proper output current is updated. The DRA-DCC-8 provides both RS-232C and RS-422 full duplex serial communications ports. The RS-422 serial communications port enables use of up to eight DRA-DCC-8 units in a multi-drop configuration. A set of seven internal DIP switches enables parameters such as baud rate, unit identity code, digital input mode (parallel or serial) and output current span (4-20 mA or 0-20 mA) to be set by the user.

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