Allen-Bradley ControlLogix 1756-IF8 User Manual

Publication 1756-IN040C-EN-P - October 2000
Installation Instructions
ControlLogix
Voltage/Current Input Module
(Catalog Number 1756-IF8)
Obtain a User Manual
This product also has a user manual (pub. no. 1756-6.5.9). To view it,
visit www.ab.com/manuals
or www.theautomationbookstore.com
You can also purchase a printed manual by:
• contacting your local distributor or Rockwell Automation
representative
• visiting www.theautomationbookstore.com and placing
an order
To: See page:
Obtain a User Manual 1
Identify the Module Components 2
Prevent Electrostatic Discharge 3
See Removal and Insertion Under Power (RIUP) 3
Understand Compliance to European Union Directive 4
Note the Power Requirements 5
Install the Module 5
Key the Removable Terminal Block/Interface Module 6
Wire the Module 8
Assemble the Removable Terminal Block and the Housing 12
Install the Removable Terminal Block onto the Module 12
Check the Indicators 14
Remove the Removable Terminal Block from the Module 15
Remove the Module 16
See 1756-IF8 Specifications 16
Hazardous Location information 18

Allen-Bradley ControlLogix 1756-IF8 Specifications

General

Product Type	Analog Input Module
Model	1756-IF8
Category	I/O Systems
Number of Inputs	8
Resolution	16-bit
Power Dissipation	2.5W
Compatibility	ControlLogix
Voltage Range	0 to 10V
Current Range	4-20 mA
Isolation	1500V RMS
Temperature Range	0 to 60 °C
Backplane Current @ 24VDC	30 mA
Backplane Current Draw @ 5V	100 mA
Backplane Current Draw @ 24V	0.1A
Module Location	Any slot in a ControlLogix chassis
Relative Humidity	5 to 95% non-condensing

Summary

Identify the Module Components

Prevent Electrostatic Discharge

Removal and Insertion Under Power (RIUP)

Understand Compliance to European Union Directive

EMC Directive

Covers compliance with the Electromagnetic Compatibility (EMC) directive and relevant standards.

Low Voltage Directive

Details compliance with the Low Voltage directive and related safety requirements.

Note the Power Requirements

Install the Module

Key the Removable Terminal Block/Interface Module

Key the Module

Explains how to use U-shaped bands to key the module for correct RTB connection.

Key the RTB/IFM

Details the process of using wedge-shaped tabs to key the Removable Terminal Block (RTB).

Wire the Removable Terminal Block

Connect grounded end of the cable

Guides on how to properly ground the drain wire of the shielded cable.

Connect ungrounded end of the cable

Instructions for connecting the ungrounded wires to the Removable Terminal Block (RTB).

Wire the Module

Assemble the Removable Terminal Block and the Housing

Install the Removable Terminal Block onto the Module

Check the Indicators

Remove the Removable Terminal Block from the Module

Remove the Module

1756-IF8 Specifications

Additional Notes

Hazardous Location information

Rockwell Automation Support

Installation Assistance

Information on how to get help with module installation issues within the first 24 hours.

New Product Satisfaction Return

Procedure for returning a product if it is not functioning correctly after shipment.