Allen-Bradley ControlNet 1786-RPFM User manual

Installation Instructions

ControlNet Modular Repeater

Medium-distance Fiber Module

Catalog Number 1786-RPFM

About the Module

Use the 1786-RPFM module when you need a medium-distance fiber link

between two ControlNet products. Maximum distance is 3000 m (9843 ft). The

fiber link provides ground isolation between nodes and is less susceptible to

noisy environments than copper media.

Topic Page

Important User Information 2

Environment and Enclosure 3

North American Hazardous Location Approval 4

European Hazardous Location Approval 5

Module Components 6

Mount the Module 6

Select Fiber Cable 10

Connect the Fiber Module 11

Troubleshoot the Module 12

Specifications 13

Additional Resources 17

IMPORTANT

The supported distance depends on the quality of the fiber,

number of splices, and connectors. The total light loss through

the fiber link must be less than 13.3 dB.

AB Drives

2ControlNet Modular Repeater Medium-distance Fiber Module

Rockwell Automation Publication 1786-IN011C-EN-P - November 2010

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. 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.

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.

IMPORTANT Identifies information that is critical for successful application and understanding of the

product.

ControlNet Modular Repeater Medium-distance Fiber Module 3

Rockwell Automation Publication 1786-IN011C-EN-P - November 2010

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, 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 not resistant to sunlight or other

sources of UV radiation. AB Drives

4ControlNet Modular Repeater Medium-distance Fiber Module

Rockwell Automation Publication 1786-IN011C-EN-P - November 2010

North American Hazardous Location Approval

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 foruse 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 temperaturecode(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 components 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 composants 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.

ControlNet Modular Repeater Medium-distance Fiber Module 5

Rockwell Automation Publication 1786-IN011C-EN-P - November 2010

European Hazardous Location Approval

Prevent Electrostatic Discharge

European Zone 2 Certification (The following applies when the product bears the

Ex Marking.)

This equipment is intended for use in potentially explosive atmospheres as defined by

European Union Directive 94/9/EC and has been found to comply with the Essential Health

and Safety Requirements relating to the design and construction of Category 3 equipment

intended for use in potentially explosive atmospheres, given in Annex II to this Directive.

Compliance with the Essential Health and Safety Requirements has been assured by

compliance with EN 60079-15 and EN 60079-0.

WARNING: You must follow these guidelines:

•This equipment must be installed in an enclosure providing at

least IP54 protection when applied in Zone 2 environments.

•This equipment shall be used within its specified ratings

defined by Rockwell Automation.

•Do not disconnect equipment unless power has been removed

or the area is known to be nonhazardous.

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. AB Drives

6ControlNet Modular Repeater Medium-distance Fiber Module

Rockwell Automation Publication 1786-IN011C-EN-P - November 2010

Module Components

The illustration shows the components that comprise the 1786-RPFM module.

Mount the Module

Mount the module on a 35 x 7.5 mm (1.38 x 0.30 in.) DIN rail, Allen-Bradley

part number 199-DR1, 46277, EN 50022.

ATTENTION: This product is grounded through the DIN rail to

chassis ground. Use zinc-plated yellow-chromate steel DIN rail to

assure proper grounding. The use of other DIN-rail materials (for

example, aluminum or plastic) that can corrode or oxidize, or are

poor conductors, can result in improper or intermittent grounding.

Secure DIN rail to mounting surface approximately every

200 mm (7.87 in.) and use end-anchors appropriately.

TIP

When using the 1786-RPFM module, we recommend horizontal

mounting if cabinet temperatures are expected to approach

60 °C (140 °F). If your expected temperatures are much lower

than 60 °C (140 °F), vertical mounting is acceptable. If using

vertical mounting, we recommend that the 1786-RPA repeater

adapter module be mounted at the top.

42505

Both sides of the module contain a backplane connector.

Right-side

Backplane

Connector

with

Protective

Cover

Channel 2 Fiber Port

Module Locking Tab

Channel 1

Fiber Port

Protective Caps

Indicators

ControlNet Modular Repeater Medium-distance Fiber Module 7

Rockwell Automation Publication 1786-IN011C-EN-P - November 2010

Mounting Dimensions

1. Position the module at a 30°angle.

2. Hook the lip on the back of the module to the top of the DIN rail and

press the bottom of the module until the locking tab snaps securely

in place.

TIP

Use a screwdriver to move the locking tab downward, if the

module is not secured.

(3.6)

111

(4.44)

100

(4.0)

(2.76)

101.2

(4.048)

42501

All dimensions are in mm (in.).

42507

AB Drives

8ControlNet Modular Repeater Medium-distance Fiber Module

Rockwell Automation Publication 1786-IN011C-EN-P - November 2010

3. If necessary, remove the protective caps from the transmit and receive

fiber channels.

WARNING: If you insert or remove the 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.

If Then

You will connect another module Remove the protective backplane cap.

You will not use the backplane connector Keep the protective cap on to protect the

connector from dust.

ATTENTION: Do not discard the end cap. Use this end cap to

cover the exposed interconnections on the last module on the

DIN rail. Failure to do so could result in equipment damage.

41900

Protective Cap

DIN Rail

Protective

Backplane Cap

Both sides of the module contain a backplane connector.

ControlNet Modular Repeater Medium-distance Fiber Module 9

Rockwell Automation Publication 1786-IN011C-EN-P - November 2010

4. If applicable, slide the module to the left to mate with the repeater

adapter or another repeater module.

If Then

You will use a channel Remove the protective cap from the

channel.

You will not use a channel Keep the protective cap on to protect the

channel from dust.

You place the module in storage Keep the protective cap on to protect the

channel from dust.

IMPORTANT

Make certain that you secure the adapter and repeater modules

with DIN-rail anchors. If you do not, loss of communication or

module damage may result.

Consult with your local distributor for attenuation specifications

before you purchase your fiber media components.

30077

AB Drives

10 ControlNet Modular Repeater Medium-distance Fiber Module

Rockwell Automation Publication 1786-IN011C-EN-P - November 2010

You can attach a maximum of four modules to the repeater adapter, or, the

number of modules whose total power consumption does not exceed

1.6 A @ 5V DC, whichever occurs first.

Select Fiber Cable

The type of fiber cable you choose depends on the network environment. The

quality of fiber cable determines the distance you can achieve. The maximum

length of a fiber cable section for the module depends on the quality of fiber,

number of splices, and the number of connectors. The total attenuation for a

cable must be less than 13.3 dB. Typically, cable attenuation for a wavelength of

1300 nm is less than 1.5 dB/km.

Refer to the specification table on page 13 and also to the ControlNet Fiber

Media Planning and Installation Guide, publication CNET-IN001, for more

details.

Also, consult with your local distributor for attenuation specifications before

you purchase your fiber media components.

Terminate Your Cable

You must terminate a medium distance cable in the field. To terminate, we

recommend that you cover unused ports with a suitable protector cap to prevent

dust and other contaminants from damaging the fiber transceiver ports.

For unused ports, we recommend that you place a simplex jumper between the

transmit port and receive port of an unused channel.

IMPORTANT

If you exceed the module or power limit, you may damage the

repeater adapter and modules.

IMPORTANT

Avoid splicing your cable. Connectors can cause considerable

attenuation and limit the maximum length of your system. Make

certain to check the attenuation of different cable sections after

you install the cable.

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