Procentec Profihub B2FO2+ Manuale utente

ProfiHub B2FO2+

User Manual

ProfiHub B2FO2+ User Manual –v2.1.0 | 29 December 2016 | © PROCENTEC 1/38

in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior

written permission of the publisher.

Safety Guidelines

This manual contains notices which you should observe to ensure your own personal safety, as well as to

protect the product and connected equipment. These notices are highlighted in the manual by a warning sign

and are marked as follows according to the level of danger:



Warning

This device and its components may only be used for the applications described in this manual and only in

connection with devices or components that comply with PROFIBUS and an RS 485 interface. This product can

only function correctly and safely if it is transported, stored, set up, installed, operated and maintained as

recommended.

Qualified Technicians

Only qualified technicians should be allowed to install and work with this equipment. Qualified technicians are

defined as persons who are authorized to commission, to ground, to tag circuits and systems in accordance

with established safety practices and standards. It is recommended that the technicians carry a Certified

PROFIBUS Installer or Certified PROFIBUS Engineer certificate.

Disclaimer of Liability

We have checked the contents of this manual as much as possible. Since deviations cannot be precluded

entirely, we cannot guarantee full agreement. However, the content in this manual is reviewed regularly and

any necessary corrections included in subsequent editions. Suggestions for improvement are welcomed.

Draws your attention to important information on handling the product, a particular part of

the documentation or the correct functioning of the product.

ProfiHub B2FO2+ User Manual –v2.1.0 | 29 December 2016 | © PROCENTEC 2/38

Important information

Purpose of the Manual

This manual explains how to put the ProfiHub B2FO2+ into operation.

Recycling and Disposal

The parts of the ProfiHub can be recycled. For further information about environment-friendly recycling and

the procedure for disposing of your old equipment, please contact:

Document Updates

You can obtain constantly updated information on PROCENTEC products on the Internet at

www.procentec.com. You can also contact PROCENTEC Customer Support:

• By phone at +31-(0)174-671800

• By fax at +31-(0)174-671801

• By email at suppo[email protected]

PROCENTEC

Klopperman 16

2292 JD WATERINGEN

The Netherlands

Tel.: +31-(0)174-671800

Fax: +31-(0)174-671801

Email: [email protected]om

ProfiHub B2FO2+ User Manual –v2.1.0 | 29 December 2016 | © PROCENTEC 3/38

Contents

Important information ........................................................ 2

1. Product description....................................................... 5

1.1 Introduction ........................................................................................................................ 5

1.2 Product features.................................................................................................................. 6

1.3 Application areas................................................................................................................. 7

1.4 Additional benefits.............................................................................................................. 7

1.5 Channel Structure ............................................................................................................... 8

1.6 Grounding System............................................................................................................... 8

1.7 Cable lengths for PROFIBUS DP........................................................................................... 9

1.8 Cable types for PROFIBUS DP.............................................................................................. 9

1.9 Cable lengths for fiber optic............................................................................................... 10

1.10 Cable types for fiber optic.................................................................................................. 10

1.11 Status LEDs ......................................................................................................................... 10

1.12 The red Error LED ............................................................................................................... 11

1.13 Comparison table ............................................................................................................... 12

2. Installation Instructions ProfiHub B2FO2+ .................. 13

2.1 Location.............................................................................................................................. 13

2.2 Position............................................................................................................................... 13

2.3 Mounting............................................................................................................................ 13

2.4 Power Supply...................................................................................................................... 14

2.5 Grounding of the power..................................................................................................... 15

2.6 Alarm contact..................................................................................................................... 15

2.7 Fiber optic backbone.......................................................................................................... 16

2.8 Calculating the delay time.................................................................................................. 16

2.9 Spur Segments ................................................................................................................... 17

2.10 Termination........................................................................................................................ 17

2.11 Baudrate switch ................................................................................................................. 18

2.12 Robust Repeating mode..................................................................................................... 19

2.13 Channel Redundancy.......................................................................................................... 19

3. Technical Data ProfiHub B2FO2+................................. 21

4. Sales offices and distributors....................................... 24

5. Order codes.................................................................. 29

6. Glossary ........................................................................ 30

ProfiHub B2FO2+ User Manual –v2.1.0 | 29 December 2016 | © PROCENTEC 4/38

7. About PROCENTEC ....................................................... 33

8. Revision history ............................................................ 34

9. Notes ............................................................................ 35

ProfiHub B2FO2+ User Manual –v2.1.0 | 29 December 2016 | © PROCENTEC 5/38

1. Product description

1.1 Introduction

ProfiHub B2FO2+ is an advanced, flexible and robust network component for PROFIBUS DP installations, to

create fiber optic backbone structures and long multi-device star/tree segments.

PROFIBUS DP is a high speed communication bus that must comply with strict rules concerning spur lines,

because of possible reflections that could lead to communication disturbances. If spur lines or star segments

are required, costly investments in repeaters have to be done.

The innovative ProfiHub B2FO2+ is the perfect component for such applications. It is an economic solution to

realise reliable spur lines in high speed DP networks. They have the functionality of 2 galvanic isolated

transparent repeaters and an optical link module in one device. This allows network structures with extended

spur lines that individually can handle a maximum of 31 devices and a length equal to the main bus. The

ProfiHub B2FO2+ refreshes a received message on one Channel and transfers it to all the other Channels

(chicken foot topology).

Because the ProfiHub B2FO2+ creates isolated segments, the devices can now be removed and added during

operation. Also most electrical bus problems and EMC disturbances in a spur do not spread to the other

segments. The intelligent logic and isolation circuits of the ProfiHubs do not change the bit width. This means

the ProfiHubs do not have limitations in serial placement. The logic also detects the transmission speed

automatically.

To assist the installation work, termination is integrated and can be switched on/off. The grounding concept is

also selectable: direct or capacitive grounding. The ProfiHubs are powered by a 12 to 24 DC Voltage. For

troubleshooting, maintenance and commissioning the ProfiHubs are equipped with LEDs on the outside, which

indicate the status of each Channel (Data and Error).

Fig. 1 - ProfiHub B2FO2+

ProfiHub B2FO2+ User Manual –v2.1.0 | 29 December 2016 | © PROCENTEC 6/38

1.2 Product features

2 Galvanic isolated outgoing channels (repeater segments).

2 Fiber Optic channels.

Transparent for all PROFIBUS DP protocols.

DP - RS 485 specifications for each channel.

Cable redundancy for copper channel 1 and 2

9.6 Kbps to 12 Mbps.

31 devices per channel.

3000 m cable length for FO channel 1 and 2

1200 m spur line length for copper channel 1 and 2 (depends on transmission speed).

Redundant power supply

No limit in serial placement or cascading of ProfiHubs.

Alarm contact, with manual reset button.

No address required.

Integrated termination facilities (switches).

Configurable grounding system (direct or capacitive).

IP 20 classification

Increased temperature range

Fig. 2 - ProfiHub connections

Fig. 3 - Long spur lines to instruments and the possibility to remove/insert them during operation. Short circuit protection on each

spur line is automatically provided

Intelligent Internal

Backbone

C1 C2

Copper Channel 1 and 2

Power supply2

Power supply1

Alarm contact

FO1 FO2

FO Channel 1 and 2

DP Fiber Optic Backbone

Wiring problems

do not spreadto

the other spur lines

Each spur line

can be 200m

at 1,5 Mbps

ProfiHub B2FO2+ User Manual –v2.1.0 | 29 December 2016 | © PROCENTEC 7/38

1.3 Application areas

Create Fiber Optic backbones

Dynamic spur lines to actuators, flow meters and pH analyzers.

Removable drives and motors.

Pull/Plug motor control centers (drawers).

Roof mounted devices in tank farms.

Barrier for non-galvanic isolated equipment.

Networks with requirement for High Availability/uptime

Large star/tree structured networks.

1.4 Additional benefits

Hot slave insertion and removal during operation.

Short circuit protection on each Channel.

Option to create a redundant path to other supporting Hubs or ComBricks

Compact and robust construction.

Status and error display (per Channel).

Suitable for all DP cables.

Conveniently arranged networks.

Easy extendable installations.

On-board DB9 female connector on each channel for maintenance activities.

Cost Savings

Fig. 4 - Creating a fiber optic backbone increases network reliability and network overview. It is also possible to mix ProfiHubs with

ComBricks

ProfiHubB2+FO2

ProfiHub B2FO2+ User Manual –v2.1.0 | 29 December 2016 | © PROCENTEC 8/38

1.5 Channel Structure

Each copper channel is electrically isolated and internally connected to the transparent intelligent backbone.

The termination is switchable and powered by the ProfiHub. The shielding of the PROFIBUS cable can be

directly grounded or indirectly grounded (see paragraph 1.6).

Fig. 5 - Channel structure

1.6 Grounding System

The ProfiHub B2FO2+ can be grounded by 3 methods:

1) Direct grounding on the Ground Rail

2) Indirect grounding (through a capacitor)

3) Combination of direct and indirect.

The power supply must be grounded directly on the Ground Rail. The shielding of the PROFIBUS cables can be

directly or indirectly grounded. If you do not want to ground all or some cables to the common ground, i.e.

compensating current, the cable shielding must be connected to pin ‘I’ which stands for Indirect grounding. A

capacitor with a parallel high value resistor will separate the 2 potentials (see Fig. 5), ensuring protection of

the signal against non-DC disturbances.

If by accident on 1 channel the Direct Grounding is connected with the Indirect Grounding, the connection to

the Direct Grounding bypasses the capacitor in the Indirect Ground connection. The current on the shield will

flow to Direct Ground.

RS 485

Circuit A

Isolation

Circuit

Powered

Termination

Isolated Area

DGND Indirect grounding

Term.

Switch

RX-OK

ERROR

Intelligent

Backbone

To direct groundingof

other Channels

1.7 Cable lengths for PROFIBUS DP

The copper cables on Channels 1 and 2 must comply with the PROFIBUS DP cable specifications for RS 485 (Fig.

6).

1.8 Cable types for PROFIBUS DP

The cable type must comply with the PROFIBUS DP cable specifications for RS 485 (Fig. 7).

Parameter

Value

Wires

2 (twisted)

Impedance

135 .. 165 Ohm at 3 to 20 MHz

Capacity

< 30 pF/m

Loop resistance

< 110 Ohm/km

Wire diameter

> 0.64 mm

Wire area

> 0.32 mm2

Fig. 6 - Cable lengths for PROFIBUS DP

Fig. 7 - PROFIBUS DP cable specifications

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