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Allen-Bradley Hardware Product

CompactBlock LDX I/O

  • Main Image

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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CompactBlock I/O, CompactBlock LDX I/O Selection Guide CompactBlock LDX I/O for DeviceNet Technical Data CompactBlock LDX Analog I/O User Manual
1790 CompactBlock LDX I/O
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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 choice of fixed screw terminals, or D-shell connector 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


Specifications

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CompactBlock LDX I/O for DeviceNet Technical Data
Certifications
CE MarkingCE Marking
C-TICK CertificationC-TICK Certification
DeviceNetDeviceNet
  • c-UL-us Class I Div 2 Hazardous
  • CE
  • C-Tick
  • ODVA
  • Enclosure meets IP20.
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Software

FactoryTalk Network Manager
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Software
FactoryTalk Network Manager

FactoryTalk® Network Manager software provides increased visibility and insight into the performance of your network in context of your automation assets.

CompactBlock™ LDX I/O modules require RSNetWorx configuration software.

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FactoryTalk Software
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FactoryTalk Software

Each FactoryTalk offering centers on driving your business performance. From the design and commissioning phase on through to board room level data needs, we can bring together value to all users in your operation.

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Documentation

Resource Publication Number Language
CompactBlock I/O, CompactBlock LDX I/O Selection Guide 1790-SG001
CompactBlock LDX I/O for DeviceNet Technical Data 1790D-TD001
CompactBlock LDX Analog I/O User Manual 1790-UM001
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