ABB RER 103 Bedienungs- und Montageanleitung

Bus Connection Module

RER 103

Tecnical description

Bus Connection Module

Technical Descriptiopn

RER 1031MRS750532-MUM

Issued: 11.03.1997

Version: E/17.01.2007

Contents

1. General .......................................................................................5

2. Principle of operation ...............................................................6

3. Construction ..............................................................................7

4. Type designation ......................................................................8

5. Fibre-optic connectors and technical data .............................9

1MRS750532-MUM

Bus Connection Module

Technical Description

RER 103

Copyrights

The information in this document is subject to change without notice and should not

be construed as a commitment by ABB Oy. ABB Oy assumes no responsibility for

any errors that may appear in this document.

In no event shall ABB Oy be liable for direct, indirect, special, incidental or

consequential damages of any nature or kind arising from the use of this document,

nor shall ABB Oy be liable for incidental or consequential damages arising from use

of any software or hardware described in this document.

This document and parts thereof must not be reproduced or copied without written

permission from ABB Oy, and the contents thereof must not be imparted to a third

party nor used for any unauthorized purpose.

The software or hardware described in this documentisfurnished underalicenseand

may be used, copied, or disclosed only in accordance with the terms of such license.

Trademarks

ABB is a registered trademark of ABB Group. All other brand or product names

mentioned in this document may be trademarks or registered trademarks of their

respective holders.

Guarantee

Please inquire about the terms of guarantee from your nearest ABB representative.

Document Revisions

Version Date

E 17.01.2007 Layout & document reference in the

chapter 3 changed.

1MRS750532-MUM Product Type

Product Description

Sub Title

Manual Type

1 General

The bus connection module RER 103 acts as an interfacing unit between an RE_ 500

device and the fibre-optic SPA, LON®and IEC 60870-5-103 bus. The bus

connection module converts incoming optical signals from the SPA, LON®and

IEC_103 bus to electrical RS-485 signals for the RE_ 500 devices and vice versa.

The module is plugged into the RS-485 D-type subminiature connector on the rear

plate of the RE_500 device. It can be used together with any RE_500 device

provided with a 9-pin D-type connector. The bus connection module is powered

from the D-type connector of the RE_500 device.

RER 103 contains a Service Pin for LON®nodes. The RS-485 interface of the bus

connection module RER 103 is shown in figure below.

Fig. 1.-1 9-pin D-type connector and block diagram

9n_dliit

LON / SPA

9 +5 V in

8 Service Pin

7 GND

6 CD B

LON / SPA

CD A 5

R S B 4

R S A 3

DA A B 2

DA A A 1 RS485

RER 103

rer103block

D9P-connector

1MRS750532-MUM

Bus Connection Module

Technical Description

RER 103

2 Principle of operation

The RER 103 Bus Connection Module can be used in Loop and Star type bus

topologies. Also the line idle state of the module is selectable. It can be light on or

off. The selection of Loop/Star and light on/off is made by jumpers.

In the Loop topology the RER 103 module passes a message received from the fibre-

optic interface both to the fibre-optic transmitter and the RS-485 interface.

In the Star topology the module passes a message received from the fibre-optic

receiver only to the RS-485 interface.

A message received from the RS-485 interface is passed to the fibre-optic

transmitter in both bus topologies.

SPA bus communication is using Loop and light off modes, when the module

jumpers are in Loop and light off positions. LON®bus communication is using Star

and light off modes, when the module jumpers are in Star and light off positions.

IEC_103 bus communication is using Star and light on or off modes, when the

module jumpers are in Star and light on or off positions.

In LON®bus communication the RER 103 module supports collision detection. The

Service Pin is connected via the RS-485 interface to the Neuron®chip of the device

connected to the RER 103.

Fig. 2.-1 Rear side of the RER 103 module

Table 2.-1 Settings of the jumper

Topology Light on/off Protocol

Star Off LON or IEC 60870-5-103

Star Light IEC 60870-5-103

Loop Off SPA

Loop Light Not supported

1MRS750532-MUM Product Type

Product Description

Sub Title

Manual Type

3 Construction

The bus connection module RER 103 consists of a printed circuit board and is

housed in a plastic case.

The incoming optical fibre is connected to the receiver input Rx and the outgoing

optical fibre to the transmitter output Tx. Special attention must be paid to the

handling, mounting, connection, etc. of optical fibres. For additional information,

see manual 1MRS752089-MUM "Plastic-core fibre-optic cables. Features and

instructions for mounting".

Fig. 3.-1 Dimensional drawing of bus connection module RER 103.

The bus connection module can be provided with connectors for two plastic fibre

cables, two glass fibre cables or one of each type. The RS-485 communication mode

is used between the RE_ 500 device and the bus connection module.

Fig. 3.-2 Routing of the optical fibres.

rer103dim

35.0

20.0

73.0

rer_ref.tif

1MRS750532-MUM

Bus Connection Module

Technical Description

RER 103

4 Type designation

The LON®Star-Coupler RER 111 and the IEC Star-Coupler 125 support only glass-

glass and plastic-plastic transceiver connections.

Type

designation Transmitter Receiver Ordering number

RER103 PLASTIC PLASTIC RER103-BB

RER103 PLASTIC GLASS RER103-BM

RER103 GLASS PLASTIC RER103-MB

RER103 GLASS GLASS RER103-MM

RER103-MB

ype

Optical receiver:

B = plastic fibre cable

M = glass fibre cable

Optical transmitter:

B = plastic fibre cable

M = glass fibre cable

typedes

1MRS750532-MUM Product Type

Product Description

Sub Title

Manual Type

5 Fibre-optic connectors and technical data

Table 5.-1 Fibre-optic connectors

Table 5.-2 Technical data

Glass fibre Plastic fibre

Cable connector ST connector Snap-in connector

Cable diameter 62.5/125 um 1 mm

Max. cable length 1000 m 10 m

Wavelength 820-900 nm 660 nm

Transmitted power -13 dBm (HFBR-1414) -13 dBm (HFBR-1521)

Auxiliary power supply Powered from host device (5V dc)

Burden ~ 0.4 W Max

Max data transfer rate 1.25 Mbps

Mechanical dimensions RER 103 Width: 35.0 mm

Height: 73.0 mm

Depth: 20.0 mm

Operating temperature range -10...55°C

Storage temperature range -40...70°C

ABB Oy

Distribution Automation

P.O. Box 699

FI-65101 Vaasa

FINLAND

Tel. +358 10 22 11

Fax. +358 10 224 1094

www.abb.com/substationautomation

1MRS750532-MUM EN 01.2007

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