Allen-Bradley ControlNet 1786-RPFS Manuale utente
17865.12 May 1997
ControlNet Modular Repeater
Short-distance Fiber Module
(Cat. No. 1786-RPFS)
Use this document as a guide when you install a ControlNetrepeater
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
17865.12
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
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European Union Directive Compliance
If this product has the
ÎÎ
Î
Î
ÎÎ
Î
Î
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
17865.12
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
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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
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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
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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
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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
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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.
OR
1786-RPA
A
B
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
17865.12
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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