Allen-Bradley 1790D-TN4C0 Compactblock LDX Analog Input Base Block
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Manufacturer Rockwell / Allen Bradley
Mfg Catalog # 1790D-TN4C0
North Coast Part # 151105


  • Includes built-in DeviceNet™ network connectivity
  • Includes compact package for easy installation in confined areas, including wireways and operator terminals
  • Allows addition of expansion blocks to a base block for up to 80 points per node
  • Offers base blocks that provide 4…32 I/O points
  • Offers choice of fixed screw terminals, or D-shell connector for convenient disconnection
  • Includes node address switches and autobaud rate detection which simplifies network commissioning
  • Includes universal sink/source inputs which reduce the number of components to stock and provide flexibility of input types


  • Sub Brand: CompactBLOCK LDX
  • Type: Analog Current Input Base, Terminal Block
  • Application: In-Cabinet
  • Input: 4 Point
  • Communication: DeviceNet
  • Power Supply: 24V DC
  • Enclosure: IP20
  • Mounting: Din-rail, Panel
  • Temperature Rating: 0...55 °C (32...131 °F)
  • Isolation Voltage: I/O to logic: photocoupler isolation. Isolation voltage: Type Test 1250V ac rms for 60 seconds. DeviceNet to logic: non-isolated. Field power: non-isolated
  • Signal Range: 0...20mA, 4...20mA
  • Resolution: 12 Bits

Analog I/O Base Blocks

  • Analog Base Blocks: DeviceNet LDX, 4 Input Analog Current Base Block, Screw-clamp



UPC 61259827918
GTiN 00612598279180
Type Analog Current Input Base Block
Applications In-Cabinet Use
Mounting Type DIN Rail/Panel
Temperature Rating 0 - 55 C
Family Brand Name Allen Bradley
Power Supply 24V DC
Enclosure IP20
Sub Brand CompactBlock

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