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Installation Instructions
Digital Expansion Terminal Block
CompactBlock LDX I/O
Catalog Numbers 1790-T16BV0X, 1790-T8BV8VX,
1790-T8BV8BX, 1790-T0B16X, 1790-T0V16X, 1790-T0W8X,
1790-T8A0X, 1790-T0A8X
Table of Contents
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Summary of Contents for Allen-Bradley 1790-T16BV0X
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Page 1: Table Of Contents
Installation Instructions Digital Expansion Terminal Block CompactBlock LDX I/O Catalog Numbers 1790-T16BV0X, 1790-T8BV8VX, 1790-T8BV8BX, 1790-T0B16X, 1790-T0V16X, 1790-T0W8X, 1790-T8A0X, 1790-T0A8X Table of Contents Topic Page Important User Information Environment and Enclosure Prevent Electrostatic Discharge North American Hazardous Location Approval Install Your Module... -
Page 2: Important User Information
2 Digital Expansion Terminal Block CompactBlock LDX I/O Important User Information Solid-state equipment has operational characteristics differing from those of electromechanical equipment. Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (Publication SGI-1.1 available from your local Rockwell Automation sales office or online at http://www.rockwellautomation.com/literature/) describes some important differences between solid-state equipment and hard-wired electromechanical devices. -
Page 3: Environment And Enclosure
In addition to this publication, see: • Industrial Automation Wiring and Grounding Guidelines, for additional installation requirements, Allen-Bradley publication 1770-4.1. • NEMA Standards publication 250 and IEC publication 60529, as applicable, for explanations of the degrees of protection provided by different types of enclosure. -
Page 4: North American Hazardous Location Approval
4 Digital Expansion Terminal Block CompactBlock LDX I/O North American Hazardous Location Approval The following information applies when Informations sur l’utilisation de cet operating this equipment in hazardous équipement en environnements dangereux: locations: Products marked "CL I, DIV 2, GP A, B, C, D" are suitable for Les produits marqués "CL I, DIV 2, GP A, B, C, D"... -
Page 5: Install Your Module
Digital Expansion Terminal Block CompactBlock LDX I/O Overview This document describes how to install the expansion blocks. Install Your Module Follow these steps to install the block: 1. Mount the block. 2. Connect the expansion blocks. 3. Wire the expansion blocks. These steps are explained in detail in the following sections. - Page 6 6 Digital Expansion Terminal Block CompactBlock LDX I/O • vertically (up or down) – add expansion blocks either up or down in a back-to-back configuration. In this configuration, you must use the optional 15cm ribbon cable (1790-15CMCBL) and alternately position the blocks in a right-side up, upside-down fashion.
- Page 7 Digital Expansion Terminal Block CompactBlock LDX I/O 5. Replace the block on the panel and place a screw through each of the two mounting holes. Tighten the screws until the block is firmly in place. 95 mm 3.74 in Expansion Cover 41 mm...
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Page 8: Connect An Expansion Block To A Base Block
8 Digital Expansion Terminal Block CompactBlock LDX I/O Connect an Expansion Block to a Base Block Follow these procedures when connecting the expansion block to the base block. ATTENTION: Expansion blocks should not be installed when power is applied to the base. 1. -
Page 9: Wire The Expansion Blocks
Digital Expansion Terminal Block CompactBlock LDX I/O To install plug, gently pull and swing cover inward Red strip must be on bottom of expansion cable 5. Replace the expansion covers on all blocks. Wire the Expansion Blocks The following figures show the wiring information for the expansion blocks. Input and output wiring must be in accordance with Class 1, Division 2 IMPORTANT wiring methods and in accordance with the authority having jurisdiction. - Page 10 10 Digital Expansion Terminal Block CompactBlock LDX I/O 1790-T8BV8VX Input/Output Expansion Block Wiring Diagram OUT0 OUT4 OUT2 OUT6 OUT1 OUT5 OUT3 OUT7 • Sinking inputs – wire COM (pin 9) to Field Power (-) GND Sourcing inputs – wire COM (pin 9) to Field Power (+) 24V DC Note: both COM (pins 9 and 10) are internally connected.
- Page 11 Digital Expansion Terminal Block CompactBlock LDX I/O 1790-T0B16X Output Expansion Block Wiring Diagram OUT0 OUT4 VDC0 OUT8 OUT12 OUT2 OUT6 VDC1 OUT10 OUT14 OUT1 OUT5 GND0 OUT9 OUT13 OUT3 OUT7 GND1 OUT11 OUT15 • Sourcing outputs – wire VDC0 (pin 9) and VDC1 (pin 11) to Field Power (+) 24V DC, wire GND0 (pin 10) and GND1 (pin 12) to Field Power (-) GND.
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Page 12: Troubleshoot With The Indicators
12 Digital Expansion Terminal Block CompactBlock LDX I/O Troubleshoot with the Indicators Use the I/O status indicators to troubleshoot your expansion blocks: I/O Status Indicators Indicator Status Description Output Output not energized status Solid green Output energized Input No valid input status Solid green Valid input... - Page 13 Digital Expansion Terminal Block CompactBlock LDX I/O DC Input/Output Combination Expansion Block – 1790-T8BV8VX, 1790-T8BV8BX Attribute 1790-T8BV8VX 1790-T8BV8BX Input Specifications Number of inputs per 8 points, non-isolated, sinking or sourcing expansion block Indicators 8 green status Common type 8 points/2COM (non-polarity) On-state voltage 9.6V DC min...
- Page 14 14 Digital Expansion Terminal Block CompactBlock LDX I/O Attribute 1790-T8BV8VX 1790-T8BV8BX Output signal delay, max OFF to ON 0.5 ms ON to OFF 1.0 ms Output current rating, max 0.5 A per output 4.0 A per common Field power dissipation 3.22 W @ 28.8V DC DC Output Expansion Block –...
- Page 15 Digital Expansion Terminal Block CompactBlock LDX I/O AC/DC Relay Output Expansion Block – 1790-TOW8X Attribute Value Relay type Form A, normally open Single pole, single throw Indicators 8 green status Common type 1 point/1COM Output voltage range, 5…28V DC @ 2.0 A resistive load dependent 48V DC @ 0.8 A resistive...
- Page 16 16 Digital Expansion Terminal Block CompactBlock LDX I/O Attribute Value Off-state voltage, max 45V AC Input signal delay, max OFF to ON 10 ms ON to OFF 30 ms External AC power supply 110V rms, 60 Hz voltage External AC power supply 85…132V rms, 47…63 Hz voltage range External AC power supply...
- Page 17 Digital Expansion Terminal Block CompactBlock LDX I/O Attribute Value External AC power supply 15…132V rms, 60 Hz voltage range External AC power supply 5.2 W @ rated current power dissipation General Specifications Attribute Value Mounting DIN rail or screw Dimensions 52H x 104W x 42D mm (2.03H x 4.07W x 1.64D inches) Weight 100 g (3.53 oz)
- Page 18 18 Digital Expansion Terminal Block CompactBlock LDX I/O Environmental Specifications Attribute Value Operating IEC 60068-2-1 (Test Ad, Operating Cold), temperature IEC 60068-2-2 (Test Bd, Operating Dry Heat), IEC 60068-2-14 (Test Nb, Operating Thermal Shock): 0…55 °C (32…131 °F) Non-operating IEC 60068-2-1 (Test Ab, Unpackaged Non-operating Cold), temperature IEC 60068-2-2 (Test Bb, Unpackaged Non-operating Dry Heat),...
- Page 19 Digital Expansion Terminal Block CompactBlock LDX I/O Certification (when product is marked) Certification (when Value product is marked) c-UL-us UL Listed for Class I, Division 2 Group A,B,C,D Hazardous Locations, certified for U.S. and Canada. See UL File E194810. European Union 89/336/EEC EMC Directive, compliant with: EN 50082-2;...
- Page 20 RA-DU002, available at http://www.rockwellautomation.com/literature/. Allen-Bradley, Rockwell Automation, CompactBlock LDX and RSNetWorx for DeviceNet, are trademarks of Rockwell Automation, Inc. DeviceNet is a trademark of Open DeviceNet Vendor Association. Trademarks not belonging to Rockwell Automation are property of their respective companies.
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