CompactBlock LDX I/O

Bulletin 1790D CompactBlock™ LDX I/O is 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.

Features

• 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