Allen-Bradley ControlLogix 1756-OB16D Installation Instructions Manual
Dc 19.2-30v diagnostic output module
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Also See for ControlLogix 1756-OB16D:
- Installation instructions manual (10 pages) ,
- User manual (258 pages)
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ControlLogix
DC (19.2-30V) Diagnostic Output Module
(Catalog Number 1756-OB16D)
To:
Obtain a User Manual
This product also has a user manual (pub. no. 1756-6.5.8). To view it,
visit www.ab.com/manuals or www.theautomationbookstore.com
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Installation Instructions
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Table of Contents
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Summary of Contents for Allen-Bradley ControlLogix 1756-OB16D
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Page 1: Table Of Contents
Installation Instructions ControlLogix DC (19.2-30V) Diagnostic Output Module (Catalog Number 1756-OB16D) See page: Obtain a User Manual Identify the Module Components Prevent Electrostatic Discharge See Removal and Insertion Under Power (RIUP) Understand Compliance to European Union Directive Note the Power Requirements Install the Module Key the Removable Terminal Block/Interface Module Wire the Module... -
Page 2: Identify The Module Components
2 ControlLogix DC (19.2-30V) Diagnostic Output Module • calling 800.963.9548 (USA/Canada) or 001.320.725.1574 (outside USA/Canada) Identify the Module Components You received the following components with your order: • 1756-OB16D module • Removable Terminal Block (RTB) door label If you did not receive these components, contact your Rockwell Automation sales office. -
Page 3: Prevent Electrostatic Discharge
ControlLogix DC (19.2-30V) Diagnostic Output Module 3 Prevent Electrostatic Discharge Electrostatic discharge can damage integrated circuits or ATTENTION semiconductors if you touch backplane connector pins. Follow these guidelines when you handle the module: • Touch a grounded object to discharge static potential. -
Page 4: Understand Compliance To European Union Directive
Voltage, by applying the safety requirements of EN 61131-2 Programmable Controllers, Part 2 - Equipment Requirements and Tests. For specific information required by EN 61131-2, see the appropriate sections in this publication, as well as the following Allen-Bradley publications: • Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1 •... -
Page 5: Note The Power Requirements
ControlLogix DC (19.2-30V) Diagnostic Output Module 5 Note the Power Requirements This module receives power from the 1756 chasis power supply and requires 2 sources of power from the backplane: • 250mA at 5.1V dc • 140mA at 24V dc Add this current/power value (4.64W) to the requirements of all other modules in the chassis to prevent overloading the power supply. -
Page 6: Key The Removable Terminal Block/Interface Module
6 ControlLogix DC (19.2-30V) Diagnostic Output Module Key the Removable Terminal Block/Interface Module Wedge-shaped keying tabs and U-shaped keying bands came with your RTB to prevent connecting the wrong wires to your module. Key positions on the module that correspond to unkeyed positions on the RTB. -
Page 7: Wire The Module
ControlLogix DC (19.2-30V) Diagnostic Output Module 7 Wire the Module You can only connect wiring to your module through an RTB or IFM. The example below shows how to wire the module. 1756-OB16D Daisy chain to other RTBs +DC-0 OUT-0 +DC-0 OUT-1 +DC-0... -
Page 8: Assemble The Removable Terminal Block And The Housing
8 ControlLogix DC (19.2-30V) Diagnostic Output Module Assemble the Removable Terminal Block and the Housing 1. Align the grooves at the bottom of the housing with the side edges of the RTB. Groove Side edge of the RTB Groove Strain relief area Side edge of the RTB 2. - Page 9 ControlLogix DC (19.2-30V) Diagnostic Output Module 9 Before installing the RTB, make certain: • field-side wiring of the RTB has been completed. • the RTB housing is snapped into place on the RTB. • the RTB housing door is closed. •...
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Page 10: Check The Indicators
10 ControlLogix DC (19.2-30V) Diagnostic Output Module Check the Indicators The indicators show individual I/O status (yellow) for each point and a bi-colored LED for module "OK" (red/green). DC OUTPUT ST 0 1 2 3 4 5 6 7 FLT 0 1 2 3 4 5 6 7 ST 8 9 10 11 12 13 14 15 FLT 8 9 10 11 12 13 14 15 DIAGNOSTIC... -
Page 11: Remove The Removable Terminal Block From The Module
ControlLogix DC (19.2-30V) Diagnostic Output Module 11 Remove the Removable Terminal Block from the Module Shock hazard exists. If the RTB is removed from WARNING the module while the field-side power is applied, the module will be electrically live. Do not touch the RTB’s terminals. -
Page 12: Remove The Module
12 ControlLogix DC (19.2-30V) Diagnostic Output Module Remove the Module 1. Push in top and bottom locking tabs. 2. Pull module out of the chassis. 20856–M 20857–M 1756-OB16D Specifications Number of Outputs 16 (8 points/common) Module Location 1756 ControlLogix Chassis Backplane Current 250mA @ 5.1V dc &... - Page 13 ControlLogix DC (19.2-30V) Diagnostic Output Module 13 Scheduled Outputs Synchronization within 16.7s maximum, reference to the Coordinated System Time Fusing Electronically fused per point Reverse Polarity Protection None - If module is wired incorrectly, outputs may be damaged. Isolation Voltage Group to group 100% tested at 2546V dc for 1s (250V ac max.
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Page 14: Hazardous Location Information
14 ControlLogix DC (19.2-30V) Diagnostic Output Module This industrial control equipment is intended to operate in a Pollution Degree 2 environment, in overvoltage category II applications, as defined in IEC publication 664A, at altitudes up to 2000 meters without derating. Hazardous Location information The following information applies when operating this equipment in hazardous locations:... -
Page 15: Publication 1756-In058D-En-P - October
ControlLogix DC (19.2-30V) Diagnostic Output Module 15 Informations sur l’utilisation de cet équipement en environnements dangereux : Les produits marqués « CL I, DIV 2, GP A, B, C, D » ne conviennent qu’à une utilisation en environnements de Classe I Division 2 Groupes A, B, C, D dangereux et non dangereux. - Page 16 Publication 1756-IN058D-EN-P - October 2000 PN 957424-02 Supersedes Publication 1756-5.8 - September 1999 © 2000 Rockwell International Corporation. Printed in USA...