Allen-Bradley Micro850 series User manual

Installation Instructions

Micro850 24-Point Programmable Controllers

Catalog Numbers 2080-LC50-24AWB, 2080-LC50-24QBB,

2080-LC50-24QVB, 2080-LC50-24QWB

http://rockwellautomation.com/literature

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Table of Contents

Topic Page

Important User Information 2

Additional Resources 7

Overview 8

Controller Description 8

Status Indicator Description 9

Mount the Module 9

Wire the Controller 12

Specifications 15

2Micro850 24-Point Programmable Controllers

Publication 2080-IN007A-EN-P - September 2012

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://rockwellautomation.com/literature) 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.

IMPORTANT

Identifies information that is critical for successful application and understanding of 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.

Micro850 24-Point Programmable Controllers 3

Publication 2080-IN007A-EN-P - September 2012

Environment and Enclosure

Preventing Electrostatic Discharge

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 or be approved for the application if

nonmetallic. 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, Rockwell

Automation publication 1770-4.1, for additional installation requirements.

• NEMA Standard 250 and IEC 60529, as applicable, for explanations of the

degrees of protection provided by different types of enclosure.

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.

4Micro850 24-Point Programmable Controllers

Publication 2080-IN007A-EN-P - September 2012

North American Hazardous Location Approval

The following modules are North American Hazardous Location approved:

2080-LC50-24AWB, 2080-LC50-24QBB, 2080-LC50-24QVB, 2080-LC50-24QWB

The following information applies when

operating this equipment in hazardous

locations:

Informations sur l’utilisation de cet

équipement en environnements

dangereux:

Products marked "CL I, DIV 2, GP A, B, C, D" are

suitable for use in Class I Division 2 Groups A, B, C,

D, Hazardous Locations and nonhazardous locations

only. Each product is supplied with markings on the

rating nameplate indicating the hazardous location

temperature code. When combining products within

a system, the most adverse temperature code

(lowest "T" number) may be used to help determine

the overall temperature code of the system.

Combinations of equipment in your system are

subject to investigation by the local Authority Having

Jurisdiction at the time of installation.

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. Chaque produit est livré avec des

marquages sur sa plaque d'identification qui indiquent

le code de température pour les environnements

dangereux. Lorsque plusieurs produits sont combinés

dans un système, le code de température le plus

défavorable (code de température le plus faible) peut

être utilisé pour déterminer le code de température

global du système. Les combinaisons d'équipements

dans le système sont sujettes à inspection par les

autorités locales qualifiées au moment de

l'installation.

WARNING

EXPLOSION HAZARD

• Do not disconnect equipment

unless power has been

removed or the area is known

to be nonhazardous.

• Do not disconnect connections

to this equipment unless power

has been removed or the area

is known to be nonhazardous.

Secure any external

connections that mate to this

equipment by using screws,

sliding latches, threaded

connectors, or other means

provided with this product.

• Substitution of any component

may impair suitability for Class

I, Division 2.

• If this product contains

batteries, they must only be

changed in an area known to

be nonhazardous.

AVERTISSEMENT

RISQUE D’EXPLOSION

• Couper le courant ou s'assurer

que l'environnement est classé

non dangereux avant de

débrancher l'équipement.

• Couper le courant ou s'assurer

que l'environnement est classé

non dangereux avant de

débrancher les connecteurs.

Fixer tous les connecteurs

externes reliés à cet

équipement à l'aide de vis,

loquets coulissants,

connecteurs filetés ou autres

moyens fournis avec ce produit.

• La substitution de tout

composant peut rendre cet

équipement inadapté à une

utilisation en environnement de

Classe I, Division 2.

• S'assurer que l'environnement

est classé non dangereux avant

de changer les piles.

Micro850 24-Point Programmable Controllers 5

Publication 2080-IN007A-EN-P - September 2012

WARNING

• If you connect or disconnect the serial cable with power applied to this module

or the serial device on the other end of the cable, an electrical arc can occur.

This could cause an explosion in hazardous location installations. Be sure that

power is removed or the area is nonhazardous before proceeding.

• If you connect or disconnect the Ethernet communications cable with power

applied to this module or any device on the network, an electrical arc can occur.

This could cause an explosion in hazardous location installations.

Be sure that power is removed or the area is nonhazardous before proceeding.

• When used in a Class I, Division 2, hazardous location, this equipment must be

mounted in a suitable enclosure with proper wiring method that complies with

the governing electrical codes.

• The local programming terminal port is intended for temporary use only and

must not be connected or disconnected unless the area is assured to be

nonhazardous.

• The USB port is intended for temporary local programming purposes only and

not intended for permanent connection. If you connect or disconnect the USB

cable with power applied to this module or any device on the USB network, an

electrical arc can occur. This could cause an explosion in hazardous location

installations. Be sure that power is removed or the area is nonhazardous before

proceeding.

The USB port is a nonincendive field wiring connection for Class I, Division2

Groups A, B, C and D.

• Exposure to some chemicals may degrade the sealing properties of materials

used in the Relays. It is recommended that the User periodically inspect these

devices for any degradation of properties and replace the module if

degradation is found.

• If you insert or remove the plug-in module while backplane power is on, an

electrical arc can occur. This could cause an explosion in hazardous location

installations. Be sure that power is removed or the area is nonhazardous before

proceeding.

Refer to the Wiring Diagram for each plug-in module for additional details

regarding removal or insertion under power

• When you connect or disconnect the Removable Terminal Block (RTB) with field

side power applied, an electrical arc can occur. This could cause an explosion

in hazardous location installations.

Be sure that power is removed or the area is nonhazardous before proceeding.

• When you change switch settings while power is on, an electrical arc can

occur. This could cause an explosion in hazardous location installations.

Be sure that power is removed or the area is nonhazardous before proceeding.

6Micro850 24-Point Programmable Controllers

Publication 2080-IN007A-EN-P - September 2012

ATTENTION

• The USB and serial cables are not to exceed 3.0 m (9.84 ft).

• Do not wire more than 2 conductors on any single terminal.

• Do not remove the Removable Terminal Block (RTB) until power is removed.

ATTENTION

• To comply with the CE Low Voltage Directive (LVD), this equipment must be

powered from a source compliant with the following: Safety Extra Low Voltage

(SELV) or Protected Extra Low Voltage (PELV).

• To comply with UL restrictions, this equipment must be powered from a Class 2

source.

• Electrostatic discharge can damage semiconductor devices inside the module.

Do not touch the connector pins or other sensitive areas.

• Do not remove the protective debris strips until after the controller and all other

equipment in the panel near the module are mounted and wired. Remove strips

before operating the controller. Failure to remove strips before operating can

cause overheating.

• Be careful when stripping wires. Wire fragments that fall into the controller

could cause damage. Once wiring is complete, make sure the controller is free

of all metal fragments.

• For Class I Division 2 applications, use only Class I Division 2 listed or

recognized accessories and modules approved for use within the Micro800

platform.

Micro850 24-Point Programmable Controllers 7

Publication 2080-IN007A-EN-P - September 2012

Additional Resources

If you would like a manual, you can:

• download a free electronic version from the Internet:

http://rockwellautomation.com/literature

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

Rockwell Automation representative

Resource Description

Micro830™ and Micro850™ Programmable

Controllers User Manual, publication

2080-UM002

A more detailed description of how to install and use your

Micro830 and Micro850 programmable controllers and expansion

I/O system.

Micro800™ AC Power Supply Installation

Instructions, publication 2080-IN001 Information on wiring and installing the optional AC power supply.

Industrial Automation Wiring and

Grounding Guidelines, publication 1770-4.1 More information on proper wiring and grounding techniques.

8Micro850 24-Point Programmable Controllers

Publication 2080-IN007A-EN-P - September 2012

Overview

The Micro850 24-Point controller is an expandable brick style controller with embedded

inputs and outputs. It can accommodate up to three plug-in modules, up to four Micro800

expansion I/O, and any 24V DC output power supply that meets minimum specifications

such as the optional Micro800 power supply.

Controller Overview

Controller Description

Description Description

1 Status indicators 9 Expansion I/O slot cover(1)

(1) For use when the controller does not have an expansion I/O module attached to it.

2 Optional power supply slot 10 DIN rail mounting latch

3 Plug-in latch 11 Mode switch

4 Plug-in screw hole 12 Type B connector USB port

5 40 pin high speed plug-in connector 13 RS232/RS485 non-isolated combo serial port

6 Removable I/O terminal block 14 RJ-45 Ethernet connector (with embedded

green and yellow LED indicators)

7 Right-side cover 15 Optional power supply

8 Mounting screw hole / mounting foot

45909 45910

Status Indicators

12345678

15 9

Micro850 24-Point Programmable Controllers 9

Publication 2080-IN007A-EN-P - September 2012

Mount the Module

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.

Mounting Dimensions and DIN Rail Mounting

Module Spacing

Maintain spacing from objects such as enclosure walls, wireways and adjacent equipment.

Allow 50.8 mm (2.0 in.) of space on all sides for adequate ventilation. If optional

accessories/modules are attached such as the power supply 2080-PS120-240VAC or

Status Indicator Description

Description Description

16 Input status 21 Fault status

17 Module Status 22 Force status

18 Network Status 23 Serial communications status

19 Power status 24 Output status

20 Run status

45912

Mounting dimensions do not include mounting feet or DIN rail latches.

158 mm (6.22 in.) 80 mm (3.15 in.)

90 mm (3.54 in.)

10 Micro850 24-Point Programmable Controllers

Publication 2080-IN007A-EN-P - September 2012

expansion I/O modules, make sure that there is 50 mm (1.97 in.) of space on all sides after

attaching the optional parts.

DIN Rail Mounting

The module can be mounted using the following DIN rails: 35 x 7.5 mm x 1 mm

(EN 50 022 - 35 x 7.5).

Before mounting the module on a DIN rail, use a flat-blade screwdriver in the DIN rail latch

and pry it downwards until it is in the unlatched position.

1. Hook the top of the DIN rail mounting area of the controller onto the DIN rail, and

then press the bottom until the controller snaps onto the DIN rail.

2. Push the DIN rail latch back into the latched position.

Use DIN rail end anchors (Allen-Bradley part number 1492-EA35 or 1492-EAHJ35)

for vibration or shock environments.

To remove your controller from the DIN rail, pry the DIN rail latch downwards until it is in

the unlatched position.

Panel Mounting

The preferred mounting method is to use four M4 (#8) screws per module. Hole spacing

tolerance: ±0.4 mm (0.016 in.).

Follow these steps to install your controller using mounting screws.

1. Place the controller against the panel where you are mounting it. Make sure the

controller is spaced properly.

2. Mark drilling holes through the mounting screw holes and mounting feet then remove

the controller.

3. Drill the holes at the markings, then replace the controller and mount it.

Leave the protective debris strip in place until you have finished wiring any other

devices.

Use Surge Suppressors

Because of the potentially high current surges that occur when switching inductive load

devices, such as motor starters and solenoids, we recommend the use of some type of surge

TIP

For environments with greater vibration and shock concerns, use the panel

mounting method, instead of DIN rail mounting.

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