Rockwell Automation 1762-IF4 User Manual

Installation Instructions

MicroLogix 1762-IF4 Analog Input Module

Catalog Number 1762-IF4

Table of Contents

Topic	Page
Important User Information	2
North American Hazardous Location Approval	4
Additional Resources	5
Overview	6
Module Description	7
Mount the Module	8
Field Wiring Connections	11
Input Type Selection	12
Wiring the Finger-Safe Terminal Block	15
Wire Size and Terminal Screw Torque	15
Specifications	20

2 MicroLogix 1762-IF4 Analog Input Module

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://literature.rockwellautomation.com) describes some important differences between solid state equipment and hard-wired electromechanical devices. Because of this difference, and also because of the wide variety of uses for solid state equipment, all persons responsible for applying this equipment must satisfy themselves that each intended application of this equipment is acceptable.

In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment.

The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many variables and requirements associated with any particular installation, Rockwell Automation, Inc. cannot assume responsibility or liability for actual use based on the examples and diagrams.

No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits, equipment, or software described in this manual.

Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell Automation, Inc., is prohibited.

Throughout this manual, when necessary, we use notes to make you aware of safety considerations.

		WARNING								Identifies information about practices or circumstances that can cause an explosion in
										a hazardous environment, which may lead to personal injury or death, property
										damage, or economic loss.
										Identifies information that is critical for successful application and understanding of
	IMPORTANT
										the product.
	ATTENTION									Identifies information about practices or circumstances that can lead to personal injury
										or death, property damage, or economic loss. Attentions help you identify a hazard,
										avoid a hazard and recognize the consequences.
	SHOCK HAZARD
										Labels may be on or inside the equipment (for example, drive or motor) to alert people
										that dangerous voltage may be present.
	BURN HAZARD
										Labels may be on or inside the equipment (for example, drive or motor) to alert people
										that surfaces may reach dangerous temperatures.

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MicroLogix 1762-IF4 Analog Input Module 3

Environment and Enclosure

	ATTENTION			This equipment is intended for use in a Pollution Degree 2 industrial
				environment, in overvoltage Category II applications (as defined in IEC 60664-1),
				at altitudes up to 2000 m (6562 ft) without derating.This equipment is
				considered Group 1, Class A industrial equipment according to IEC/CISPR 11.
				Without appropriate precautions, there may be difficulties with electromagnetic
				compatibility in residential and other environments due to conducted and
				radiated disturbances.

This equipment is supplied as open-type equipment. It must be mounted within an enclosure that is suitably designed for those specific environmental conditions that will be present and appropriately designed to prevent personal injury resulting from accessibility to live parts. The enclosure must have suitable flame-retardant properties to prevent or minimize the spread of flame, complying with a flame spread rating of 5VA, V2, V1, V0 (or equivalent) if non-metallic. The interior of the enclosure must be accessible only by the use of a tool. Subsequent sections of this publication may contain additional information regarding specific enclosure type ratings that are required to comply with certain product safety certifications.

In addition to this publication, see:

•Industrial Automation Wiring and Grounding Guidelines, for additional installation requirements, Allen-Bradley publication 1770-4.1.

•NEMA Standards 250 and IEC 60529, as applicable, for explanations of the degrees of protection provided by different types of enclosure.

Preventing Electrostatic Discharge

	ATTENTION	This equipment is sensitive to electrostatic discharge, which can cause internal
		damage and affect normal operation. Follow these guidelines when you handle
		this equipment:

• Touch a grounded object to discharge potential static.

•Wear an approved grounding wriststrap.

•Do not touch connectors or pins on component boards.

•Do not touch circuit components inside the equipment.

•Use a static-safe workstation, if available.

•Store the equipment in appropriate static-safe packaging when not in use.

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4 MicroLogix 1762-IF4 Analog Input Module

North American Hazardous Location Approval

The following modules are North American Hazardous Location approved: 1762-IF4

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							Les produits marqués "CL I, DIV 2, GP A, B, C, D" ne
suitable for use in Class I Division 2 Groups A, B, C,							conviennent qu'à une utilisation en environnements de
D, Hazardous Locations and nonhazardous							Classe I Division 2 Groupes A, B, C, D dangereux et non
locations only. Each product is supplied with							dangereux. Chaque produit est livré avec des
markings on the rating nameplate indicating the							marquages sur sa plaque d'identification qui indiquent
hazardous location temperature code. When							le code de température pour les environnements
combining products within a system, the most							dangereux. Lorsque plusieurs produits sont combinés
adverse temperature code (lowest "T" number) may							dans un système, le code de température le plus
be used to help determine the overall temperature							défavorable (code de température le plus faible) peut
code of the system. Combinations of equipment in							être utilisé pour déterminer le code de température
your system are subject to investigation by the							global du système. Les combinaisons d'équipements
local Authority Having Jurisdiction at the time of							dans le système sont sujettes à inspection par les
installation.							autorités locales qualifiées au moment de l'installation.
					EXPLOSION HAZARD						RISQUE D’EXPLOSION
							AVERTISSEMENT
	WARNING
					• Do not disconnect equipment						• Couper le courant ou s’assurer que
					unless power has been removed or						l’environnement est classé non
					the area is known to be						dangereux avant de débrancher
					nonhazardous.						l'équipement.
					• Do not disconnect connections to						• Couper le courant ou s'assurer que
					this equipment unless power has						l'environnement est classé non
					been removed or the area is known						dangereux avant de débrancher les
					to be nonhazardous. Secure any						connecteurs. Fixer tous les connecteurs
					external connections that mate to						externes reliés à cet équipement à
					this equipment by using screws,						l'aide de vis, loquets coulissants,
					sliding latches, threaded						connecteurs filetés ou autres moyens
					connectors, or other means						fournis avec ce produit.
					provided with this product.						• La substitution de composants peut
					• Substitution of components may						rendre cet équipement inadapté à une
					impair suitability for Class I,						utilisation en environnement de Classe
					Division 2.						I, Division 2.
					• If this product contains batteries,						• S’assurer que l’environnement est
					they must only be changed in an						classé non dangereux avant de changer
					area known to be nonhazardous.						les piles.
					• All wiring must comply with N.E.C.
					article 501-4(b).
					• The interior of the enclosure must
					be accessible only by the use of a
					tool.
					• For applicable equipment (relay
					modules, etc.), exposure to some
					chemicals may degrade the sealing
					properties of materials used in the
					following devices: Relays, Epoxy. It
					is recommended that the User
					periodically inspect these devices
					for any degradation of properties
					and replace the module if
					degradation is found.

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	MicroLogix 1762-IF4 Analog Input Module 5
Additional Resources
Resource	Description
MicroLogix 1100 Programmable Controllers User	A more detailed description of how to install and use
Manual, publication 1763-UM001.	your MicroLogix 1100 programmable controller and
	expansion I/O system.
MicroLogix 1200 Programmable Controllers User	A more detailed description of how to install and use
Manual, publication 1762-UM001.	your MicroLogix 1200 programmable controller and
	expansion I/O system.
MicroLogix 1400 Programmable Controllers User	A more detailed description of how to install and use
Manual, publication 1766-UM001.	your MicroLogix 1400 programmable controller and
	expansion I/O system.
MicroLogix 1100 Programmable Controllers	Information on installing and using the
Installation Instructions, publication 1763-IN001.	MicroLogix 1100 programmable controller.
MicroLogix 1200 Programmable Controllers	Information on installing and using the
Installation Instructions, publication 1762-IN006.	MicroLogix 1200 programmable controller.
MicroLogix 1400 Programmable Controllers	Information on installing and using the
Installation Instructions, publication 1766-IN001.	MicroLogix 1400 programmable controller.
Industrial Automation Wiring and Grounding	More information on proper wiring and grounding
Guidelines, publication 1770-4.1.	techniques.

If you would like a manual, you can:

•download a free electronic version from the Internet: http://literature.rockwellautomation.com

•purchase a printed manual by contacting your local Allen-Bradley distributor or

Rockwell Automation representative

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6 MicroLogix 1762-IF4 Analog Input Module

Overview

The 1762 input module is suitable for use in an industrial environment when installed in accordance with these instructions. Specifically, this equipment is intended for use in clean, dry

environments (Pollution degree 2(1)) and to circuits not exceeding Over Voltage Category II(2) (IEC 60664-1)(3).

Install your module using these installation instructions.

1762 Input Module

Debris strip

45155

ATTENTION

Do not remove the protective debris strip until after the module and all other equipment in the panel near the module are mounted and wiring is complete. Once wiring is complete, remove protective debris strip. Failure to remove strip before operating can cause overheating.

ATTENTION

Electrostatic discharge can damage semiconductor devices inside the module. Do not touch the connector pins or other sensitive areas.

(1)Pollution Degree 2 is an environment where, normally, only non-conductive pollution occurs except that occasionally a temporary conductivity caused by condensation shall be expected.

(2)Over Voltage Category II is the load level section of the electrical distribution system. At this level transient voltages are controlled and do not exceed the impulse voltage capability of the product’s insulation.

(3)Pollution Degree 2 and Over Voltage Category II are International Electrotechnical Commission (IEC) designations.

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MicroLogix 1762-IF4 Analog Input Module 7

Module Description
			5
1a		1a	6
		10	7
3
	2	3
		4	8
4	1b
			9

Front view

45156

Left side view

45157

This equipment is sensitive to electrostatic discharge (ESD).

Follow ESD prevention guidelines when handling this equipment.

	Description		Description
1a	upper panel mounting tab	6	pull loop
1b	lower panel mounting tab	7	module door with terminal identification label
2	power diagnostic LED	8	bus connector cover
3	flat ribbon cable with bus connector (female)	9	bus connector with male pins
4	DIN rail latch	10	terminal block
5	input type selector switch

ATTENTION

To comply with UL restrictions, this equipment must be powered from a source compliant with Class 2 or Limited Voltage/Current.

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8 MicroLogix 1762-IF4 Analog Input Module

Mount the Module

General Considerations

Most applications require installation in an industrial enclosure to reduce the effects of electrical interference and environmental exposure. Locate your controller as far as possible from power lines, load lines, and other sources of electrical noise such as hard-contact switches, relays, and AC motor drives. For more information on proper grounding guidelines, see the Industrial

Automation Wiring and Grounding Guidelines, publication 1770-4.1.

	ATTENTION			This product is intended to be mounted to a well-grounded mounting surface
				such as a metal panel. Additional grounding connections from the power
				supply's mounting tabs or DIN rail (if used) are not required unless the mounting
				surface cannot be grounded. Refer to Industrial Automation Wiring and
				Grounding Guidelines, Allen-Bradley publication 1770-4.1, for additional
				information.

Mounting Dimensions

90 mm

(3.5 in.)

87 mm

(3.43 in.)

45158

40.4 mm (1.59 in.)

Measurements do not include mounting feet or DIN rail latches.

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