Allen-Bradley ControlNet 1786-RPFS User manual

17865.12  May 1997

ControlNet Modular Repeater

Short-distance Fiber Module

(Cat. No. 1786-RPFS)

Use this document as a guide when you install a ControlNetrepeater

fiber module for short distances:

•To install the module, read these sections:

Section Page

About The Fiber Module 2

European Union Directive Compliance 3

Mounting The Fiber Module 4

Wiring The Fiber Module 8

•For this information, refer to these sections:

Section Page

Indicators 9

Specifications 12

Mounting Dimensions 11

Related Publications 11

Installation Instructions

AB PLCs

ControlNet Modular Repeater Short-distance Fiber Module2

17865.12

 May 1997

About The Fiber Module

Use this module when a short-distance (distances of 300m/984ft) fiber

link is required between two ControlNet products. This fiber link

provides ground isolation between nodes and is less susceptible to noisy

environments.

The module provides:

•two independent full duplex fiber channels

•activity LED indicators for each fiber channel

The figure below identifies the components of the module:

Indicators

Channel

1 fiber port

Module locking tab

Channel 2 fiber port

Right-side

backplane connector

with protective cap

The left side of the module (not shown here) also contains a backplane connector

Protective caps

ControlNet Modular Repeater Short-distance Fiber Module 3

17865.12

 May 1997

European Union Directive Compliance

If this product has the

ÎÎ

mark, it is approved for installation within

the European Union and EEA regions. It has been designed and tested to

meet the following directives.

If this product is installed within the European Union or EEA regions

and has the CE mark, the following regulations apply.

EMC Directive

The module is tested to meet Council Directive 89/336 Electromagnetic

Compatibility (EMC) using a technical construction file and the

following standards, in whole or in part:

•EN 50081-2 EMC – Generic Emission Standard,

Part 2 – Industrial Environment

•EN 50082-2 EMC – Generic Immunity Standard,

Part 2 – Industrial Environment

The module described in this manual is intended for use in an

industrial environment.

Low Voltage Directive

The module is also designed to meet Council Directive 73/23 Low

Voltage, by applying the safety requirements of EN 61131–2

Programmable Controllers, Part 2 – Equipment Requirements and Tests.

For specific information that the above norm requires, see the

appropriate sections in this manual, as well as the following

Allen-Bradley publications:

•Industrial Automation Wiring and Grounding Guidelines,

publication 1770-4.1

•Guidelines for Handling Lithium Batteries, publication AG-5.4

•Automation Systems Catalog, publication B111

AB PLCs

ControlNet Modular Repeater Short-distance Fiber Module4

17865.12

 May 1997

Mounting The Fiber Module

To mount the module on the DIN rail:

1. Position the module on a 35 x 7.5mm DIN rail (Allen-Bradley part

number 199-DR1; 46277-3; EN 50022) at a 30oangle.

30074-M

2. Hook the lip on the rear of the adapter onto the top of the DIN rail,

and rotate the module onto the rail.

30074-M

ControlNet Modular Repeater Short-distance Fiber Module 5

17865.12

 May 1997

3. Press the module down onto the DIN rail until flush.

The locking tab should snap into position and lock the module to the

DIN rail.

4. If the module does not snap into position, use a screwdriver or similar

device to move the locking tab down while pressing the module flush

onto the DIN rail. Release the locking tab to lock the module in place.

If necessary, push up on the locking tab to lock.

30074-M

AB PLCs

ControlNet Modular Repeater Short-distance Fiber Module6

17865.12

 May 1997

5. Remove the protective backplane cap as shown in “Removing the

Protective Caps” on page 7.

6. Once attached to the DIN rail, slide modules to the left to mate with

the repeater adapter or another repeater module.

30043-M

!ATTENTION: Make certain that the adapter and repeater

modules are secured together with DIN rail anchors.

Failure to do so may result in the loss of communications

and/or cause damage to the modules.

The total number of modules that can be attached to the repeater adapter

can not exceed four or the total power consumption of the modules can

not exceed 1.6A @ 5VDC, whichever comes first.

Important: If you exceed the module or power limit, you may cause

damage to the repeater adapter and modules.

Important: If this is the right–most module, a DIN rail end anchor must

be used to keep the modules from moving.

7. Connect the module wiring as shown in “Wiring The Fiber Module”

on page 8.

ControlNet Modular Repeater Short-distance Fiber Module 7

17865.12

 May 1997

Removing the Protective Caps

1. Remove the protective caps, Transmit and Receive, from the fiber

channels that will be used.

2. Save the caps for future use.

Protective

cap

Protective backplane cap

DIN rail

30038-M

If: Then:

a channel is not going to be used keep protective caps on channels to protect

unit from dust.

another module will be connected to the right

connector

remove the protective backplane cap and save

cap for future use.

a module will not be connected to the right

backplane connector

leave the backplane cap attached.

AB PLCs

ControlNet Modular Repeater Short-distance Fiber Module8

17865.12

 May 1997

Wiring The Fiber Module for Zipcord Operation

If only one channel is wired, you can use Channel 1 or Channel 2.

The zipcord uses a duplex cable. Duplex cables use a single cable that

contains 2 separate fibers, one for transmit and one for receive.

To wire the module:

1. Hold down the latch and insert the Channel 1 zipcord connector into

Aand Buntil the pins and latch lock into place.

Make sure you insert the blue pin (receive) of the zipcord connector

into Aand the black pin (transmit) into B.

Channel

1, A and B

Channel 2, A and B

30041-M

ControlNet Modular Repeater Short-distance Fiber Module 9

17865.12

 May 1997

2. Hold down the latch and insert the other end of the duplex cable into

another module using either Channel 1 or Channel 2 of the other

module.

1786-RPA

CH1 CH2

A B

1786-RPFS

A B

CH1 CH2

A B

1786-RPFS

1786-RPA

Important: The duplex cable is manufactured with the fiber reversed on

opposite ends. This automatically connects A of one unit to

B of the other.

Important: Never connect more than one duplex fiber or two simplex

fibers between the same modular repeaters, even if they are

from different modules on the same repeater.

!Warning: Do not look directly into the fiber ports.

Light levels may cause damage to eyesight.

AB PLCs

ControlNet Modular Repeater Short-distance Fiber Module10

17865.12

 May 1997

Indicators

The figure below identifies indicators on the module:

Channel

1 Status

Channel 2 Status

The table below provides probable cause for Channel 1 and Channel 2

(individually) status indicators:

Status Indicator Probable Cause

Off No power or hub is faulted

Green Channel operational

Flashing Green/Off No data activity on associated channel

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