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Allen-Bradley CompactBlock LDX I/O

CompactBlock LDX I/O Modules

Our Bulletin 1790D CompactBlock™ LDX I/O modules are a cost-effective distributed I/O solution for light industrial environments where high-protection specifications and advanced performance features are not required. Base blocks include I/O points and a built-in DeviceNet™ network adapter. Digital I/O expansion blocks provide the flexibility to add I/O points to your CompactBlock LDX I/O system.

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1790 CompactBlock LDX I/O |  Overview

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

1790 CompactBlock™ LDX Digital I/O Base Blocks

  • 24V DC, 120V AC, and relay outputs
  • Up to 32 I/O points per block
  • Each base block supports up to three expansion blocks

1790 CompactBlock LDX Analog I/O Base Blocks

  • Up to  four I/O points per block
  • 16-bit integer data format
  • Each base block supports up to two expansion blocks

1790 CompactBlock LDX Thermocouple and RTD I/O Base Blocks

  • 16-bit integer (2’s complement) data format
  • Thermocouple and RTD base blocks do not support expansion blocks

1790 CompactBlock LDX Digital I/O Expansion Blocks

  • Add to base blocks to expand the I/O assembly up to 80 I/O points
  • 24V DC, 120V AC, and relay outputs
  • 8 or 16 I/O points per block
  • Compatible with all base blocks, except for thermocouple and RTD base blocks
  • Includes 7-cm ribbon cable connector

Product Selection

Catalog Number Description
1790-0B16XDeviceNet LDX I/O, 24VDC, 16 Source Out Expansion Block, D-Shell 
1790-0V16XDeviceNet LDX I/O, 24 VDC, 16 Sink Out Expansion Block, D-Shell 
1790-0W8XDeviceNet LDX I/O, 24VDC, 8 Relay Out Expansion Block, D-Shell 
1790-15CMCBLDeviceNet LDX I/O Longer Ribbon Cable, 15 cm (Lots of 5) 
1790-16BV0XDeviceNet LDX I/O, 24VDC, 16 Universal In Expansion Block, D-Shell 
1790-7CMCBLDeviceNet LDX I/O Replacement Ribbon Cable, 7 cm (Lots of 5) 
1790-8BV8BXDeviceNet LDX I/O, 24VDC, 8 Universal In/8 Source Out Expansion Block, D-Shell 
1790-8BV8VXDeviceNet LDX I/O, 24VDC, 8 Universal In/8 Sink Out Expansion Block, D-Shell 
1790D-0B16DeviceNet LDX I/O, 24VDC, 16 Source Out Base Block, D-Shell 
1790D-0V16DeviceNet LDX I/O, 24VDC, 16 Sink Out Base Block, D-Shell 
1790D-0W6DeviceNet LDX I/O, 6 Relay Out Base Block, D-Shell 
1790D-16BV0DeviceNet LDX I/O, 24VDC, 16 Universal In Base Block, D-Shell 
1790D-8BV8BDeviceNet LDX, 24VDC, 8 Universal In/8 Source Out Base Block, D-Shell 
1790D-8BV8VDeviceNet LDX, 24VDC, 8 Universal In/8 Sink Out Base Block, D-Shell 
1790D-N0C2DeviceNet LDX, 2 Output Analog Current Base Block, D-Shell 
1790D-N4C0DeviceNet LDX, 4 Input Analog Current Base Block, D-Shell 
1790D-T0A6DeviceNet LDX I/O, 120VAC, 6 Output Base Block, Screw-clamp 
1790D-T0B16DeviceNet LDX I/O, 24VDC, 16 Source Out Base Block, Screw-clamp 
1790D-T0B32DeviceNet LDX I/O, 24VDC, 32 Source Out Base Block, Screw-clamp 
1790D-T0V16DeviceNet LDX I/O, 24VDC, 16 Sink Out Base Block, Screw-clamp 
1790D-T0V32DeviceNet LDX I/O, 24VDC, 32 Sink Out Base Block, Screw-clamp 
1790D-T0W6DeviceNet LDX I/O, 6 Relay Out Base Block, Screw-clamp 
1790D-T16BV0DeviceNet LDX I/O, 24VDC, 16 Universal In Base Block, Screw-clamp 
1790D-T16BV16BDeviceNet LDX, 24VDC, 16 Universal In/16 Source Out Base Block, Screw-clamp 
1790D-T16BV16VDeviceNet LDX, 24VDC, 16 Universal In/16 Sink Out Base Block, Screw-clamp 
1790D-T32BV0DeviceNet LDX I/O, 24VDC, 32 Universal In Base Block, Screw-clamp 
1790D-T4R0DeviceNet LDX, 4 Input RTD Base Block, Screw-clamp 
1790D-T4T0DeviceNet LDX, 4 Input Thermocouple Base Block, Screw-clamp 
1790D-T8A0DeviceNet LDX I/O, 120VAC, 8 Input Base Block, Screw-clamp 
1790D-T8BV8BDeviceNet LDX, 24VDC, 8 Universal In/8 Source Out Base Block, Screw-clamp 
1790D-T8BV8VDeviceNet LDX, 24VDC, 8 Universal In/8 Sink Out Base Block, Screw-clamp 
1790D-TN0C2DeviceNet LDX, 2 Output Analog Current Base Block, Screw-clamp 
1790D-TN0V2DeviceNet LDX, 2 Output Voltage Analog Base Block, Screw-clamp 
1790D-TN4C0DeviceNet LDX, 4 Input Analog Current Base Block, Screw-clamp 
1790D-TN4V0DeviceNet LDX, 4 Input Voltage Analog Base Block, Screw-clamp 
1790-T0A8XDeviceNet LDX I/O, 120VAC, 8 Output Expansion Block, Screw-clamp 
1790-T0B16XDeviceNet LDX I/O, 24VDC, 16 Source Out Expansion Block, Screw-clamp 
1790-T0V16XDeviceNet LDX I/O, 24VDC, 16 Sink Out Expansion Block, Screw-clamp 
1790-T0W8XDeviceNet LDX I/O, 24VDC, 8 Relay Out Expansion Block, Screw-clamp 
1790-T16BV0XDeviceNet LDX I/O, 24VDC, 16 Universal In Expansion Block, Screw-clamp 
1790-T8A0XDeviceNet LDX I/O, 110VAC, 8 Input Expansion Block, Screw-clamp 
1790-T8BV8BXDeviceNet LDX I/O, 24VDC, 8 Universal In/8 Source Out Expansion Block, Screw-clamp 
1790-T8BV8VXDeviceNet LDX I/O, 24VDC, 8 Universal In/8 Sink Out Expansion Block, Screw-clamp
About Softcon

Softcon is a leading and preferred solution provider for all kind of Industrial Automation requirements in the field of Process and Power Automation.

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The founder and managing director of Softcon Systems Pvt. Ltd., Chandrakant Kulkarni, has more than 20 years of experience in industrial automation. He has been the driving force behind Softcon's success from its creation in 2003 by providing complete Power Management and Process Automation solutions that encompass design, engineering, manufacture, testing, installation, and repair.

Leading consumers from a variety of industries trust Softcon because of Chandrakant's dedication to assembling a talented workforce and guaranteeing outstanding outcomes. He developed his skills as an Automation Executive at Thermax Limited before to Softcon, which served as the basis for his goal of offering top-notch, client-focused automation solutions.