Burster DIGIFORCE 9310 Bedienungsanleitung

DIGIFORCE 9310

PROFIBUS manual

Date 2004-04-28

2004

burster

präzisionsmeßtechnik gmbh &

co kg

Manufacturer:

burster präzisionsmeßtechnik gmbh & co kg

Talstraße 1 - 5 Postfach 1432

76593 Gernsbach 76587 Gernsbach

Note:

The information contained in the following may be changed without prior notification. Reproduction

of any part of this document, or its processing using electronic systems is prohibited without prior

written approval. burster provides no warranty whatsoever for this equipment. This disclaimer also

applies to implied warranty for commercial quality and suitability for a specific purpose. burster is

not liable in any circumstance for faults contained therein, accidental damag

e or consequential

damage in connection with the operation or use of this equipment.

Content

Page 2 Version FELD-V2002.02 PROFIBUS manual

Note:

Exclusion of warranty liability for operating manuals

All information in the present documentation was prepared and compiled with great

care and reproduced subject to effective control measures. No warranty is provided for

freedom from errors. We reserve the right to make technical changes. The present

information as well as the corresponding technical data can change without notice.

Reproduction of any part of this documentation or its processing or revision using

electronic systems is prohibited without the manufacturer's prior written approval.

Components, devices and measured value sensors made by burster

praezisionsmesstechnik (hereinafter referred to as "product") are the results of targeted

development and meticulous research. As of the date of delivery, burster provides a

warranty for the proper condition and functioning of these products covering material

and production defects for the period specified in the warranty document

accompanying the product. However, burster excludes guarantee or warranty

obligations as well as any liability beyond that for consequential damages caused by

improper use of the product, in particular the implied warranty of success in the

market as well as the suitability of the product for a particular purpose. Furthermore,

burster assumes no liability for direct, indirect or incidental damages as well as

consequential or other damages arising from the provision and use of the present

documentation.

User advice and safety instructions User advice and safety instructions

PROFIBUS manual Version FELD-V2002.02 Page 3

1. User advice and safety instructions 5

1.1 Important information 5

1.2 Proper use of the equipment 5

1.3 Notes on equipment configuration and installation 6

1.4 Symbols 6

1.5 Abbreviations 6

2Technical data 7

3Installation 8

3.1 Connection of fieldbus lines 8

3.2 Configuring a PROFIBUS DP system 10

3.3 Configuration menu in DIGIFORCE®type 9310 10

4PROFIBUS 11

4.1 Overview 11

4.2 General information 13

4.3 GSD file 13

4.4 Data conversion 14

4.4.1 Description of the data formats in this manual 14

4.4.2 Handling problems that arise when reading floating-point numbers 14

5. PROFIBUS DP data protocol 15

5.1 Transfer from master to slave 15

5.2 Message structure / Transfer from slave to master 16

5.3 Meaning of the contents of the different protocol modes 17

5.4 Message structure / data break-down 18

5.5 Byte reference list 19

5.5.1 Mode 1 (PLC-Out) 19

5.5.2 Mode 2 (PLC-Out, min. general curve data) 19

5.5.3 Mode 3 (PLC-Out, full general curve data) 20

5.5.4 Mode 4 (PLC-Out, Window 1 E/E) 22

5.5.5 Mode 5 (PLC-Out, Full general curve data, Window 1 E/E) 23

5.5.6 Mode 6 (PLC-Out, Windows 1-2 E/E) 25

5.5.7 Mode 7 (PLC-Out, Full general curve data, Windows 1-2 E/E) 26

5.5.8 Mode 8 (PLC-Out, Windows 1-3 E/E) 28

5.5.9 Mode 9 (PLC-Out, Full general curve data, Windows 1-3 E/E) 30

6. Glossary 33

7. Appendix A: Representation of floating-point values 36

8. Appendix B: Byte sequence of float values 40

Content

Page 4 Version FELD-V2002.02 PROFIBUS manual

User advice and safety instructions

PROFIBUS manual Version FELD-V2002.02 Page 5

1. User advice and safety instructions

1.1 Important information

It is essential that you read this chapter to ensure safe handling of electrical

equipment.

This operating manual contains important information for proper use of our

equipment with the PROFIBUS. It has been written for personnel who are

qualified and trained in the handling of electrical equipment.

Qualified and trained personnel are people who satisfy at least one of the

following three requirements:

•You are familiar with the safety designs used in automation

engineering, and understand how to deal with them in your capacity

as configuration engineer.

•You are an operator of automation systems and have been instructed

in how to handle the system. You are familiar with the operation of

the equipment described in this documentation.

•You are a commissioning or service engineer and have successfully

completed a training course qualifying you to repair automation

systems. In addition you are authorized to commission, ground and

label circuits and equipment in accordance with safety engineering

standards.

1.2 Proper use of the equipment

The equipment described in this manual must only be used for the

applications intended in this manual.

burster equipment is supplied from the factory with a permanent hardware

and software configuration. Changes can only be made according to the

options documented in the manuals. Any other changes to the hardware or

software, or improper use, exempt the burster company from the warranty

and liability. Please contact our sales office if you require a modified or new

hardware or software configuration.

Proper transportation, storage, installation and assembly plus careful

operation and maintenance are essential for trouble-free and safe operation of

the equipment.

User advice and safety instructions

Page 6 Version FELD-V2002.02 PROFIBUS manual

1.3 Notes on equipment configuration and installation

Always observe the current safety and accident prevention regulations when

commissioning the equipment.

Install the power, signal and sensor cables so as to prevent electromagnetic

interference from impairing operation of the equipment.

Install automation engineering equipment and installations with sufficient

protection against accidental actuation.

Take suitable precautions in both the hardware and software to prevent any

undefined states of the automation installation in the event of an open circuit.

In installations where major damage to property or even personal injury may

be caused by a malfunction, take suitable precautions to establish a safe

operating state in the event of a fault. This may be achieved using limit

switches, mechanical interlocks etc. for example.

1.4 Symbols

CAUTION:

This information must be observed to prevent damage to the equipment.

WARNING:

Indicates basic conditions that must be observed for fault-free operation.

ESD (Electrostatic Discharge)

Warning that components are at risk from electrostatic discharge. Take

precautionary measures when handling components at risk from electrostatic

discharge.

Note

Routines or advice for efficient use of the equipment and software

optimization.

Further information

References to additional literature, manuals, data sheets and Internet pages.

1.5 Abbreviations

BF Bus error

DGND Data transfer potential (reference potential to VP)

GSD Device description data

PNO PROFIBUS user organization

RTS Request To Send

RxD/TxD-N Receive/Transmit Data -N, A-line

RxD/TxD-P Receive/Transmit Data -P, B-line

VP Positive supply voltage (+5 V) for the terminating resistors

Technical data

PROFIBUS manual Version FELD-V2002.02 Page 7

2 Technical data

PROFIBUS DP system data

Number of devices or modules 126 with repeaters

Transmission medium Cu cable to EN 50 170

Max. bus segment length 100 m to 1200 m (dependent on baud

rate/cable)

Data transfer rates 9.6 kbaud to 12 Mbaud (dependent on

cable)

Type 9310 device data

Supported transfer rates 9.6 kbit/s 187.5 kbit/s 3000 kbit/s

19.2 kbit/s 500 kbit/s 6000 kbit/s

93.75 kbit/s 1500 kbit/s 12,000 kbit/s

Bus connector 9 pin SUB-D socket (female)

ID number 06E5 Hex

GSD file BUR_06E5.gsd

Address range 0 to 126

Electrical safety

Reverse voltage protection Yes

Air clearance/leakage paths To DIN EN 61131-2 and DIN EN 50178

Overvoltage category II,

Pollution degree 2

Electrical isolation Between fieldbus and internal electronics

Withstand voltage DC 500 V

Electromagnetic compatibility

(see also the operating manual for DIGIFORCE®type 9310)

Interference immunity to EN50082-2 : 1995

EN 61000-4-2 4 kV/8 kV (2/4) B

EN 61000-4-3 10 V/m 80 % AM (3) A

EN 61000-4-4 2 kV (3/4) A

EN 61000-4-6 10 V/m 80 % AM (3) A

Emitted interference to EN50081-2 : 1994

EN 55011 30 dBµV/m (30 m)

37 dBµV/m

Notes on CE labeling

burster equipment carrying the CE mark meets the requirements of the EU

directives and the harmonized European standards (EN) cited therein.

The EU declarations of conformity are available to the relevant authorities as

specified in the directives. A copy of the declaration of conformity is

included in the relevant equipment documentation.

Installation

Page 8 Version FELD-V2002.02 PROFIBUS manual

3 Installation

3.1 Connection of fieldbus lines

burster devices with a PROFIBUS option have a 9-pin SUB-D female

connector for the fieldbus

connection

5 DGND

(CNTR-N) NC* 9 4 NC* (CNTR-P)

RxD/TxD-N RTS 8 3 RxD/TxD-P

(P24) NC* 7 2 NC *(M24)

(Us terminating resistor) VP 6 1 shield

Fig. 8.1: Connector pin

assignment

* NC = not connected

3.1.1 Installation of fieldbus lines

For the PROFIBUS employing RS 485 transmission technology, all devices

are connected in a line structure. The bus line is a shielded twisted pair cable.

The fieldbus line is specified in EN 50 170 as cable type A and must comply

with specific cable parameters. Cable type B also specified in EN 50 170 is

obsolete and should no longer be used.

Parameter value

Characteristic impedance in Ω135 to 165 for 3 to 30 Mhz

Effective capacitance < 30 pF/m

Loop impedance (Ω/km) < 110

Wire diameter (mm) *) >0.64

Wire cross-section (mm2) *) >0.34

*) the wire cross-sections used must be suitable for the connection options on

the bus connector.

For cable type A, the maximum cable lengths for a bus segment depend on

the transfer rate.

Transfer rate Max. bus segment length

9.6 ... 93.75 kbaud 1200 m

187.5 kbaud 1000 m

500 kbaud 400 m

1500 kbaud 200 m

3000 / 6000 / 12000 kbaud 100 m

Installation

PROFIBUS manual Version FELD-V2002.02 Page 9

Commercially available connectors allow the incoming data cable to be

connected directly to the outgoing data cable in the connector. This avoids

stubs, and the bus connector can be connected to the bus or disconnected

from the bus at any time without interrupting data traffic. These connectors

include a bus termination that can be switched in or out. To avoid line

reflections, connectors containing integral series inductors should be used to

compensate for the capacitive load of the station. This is essential for transfer

rates > 1.5 Mbaud.

9-pin SUB-D

connector

Additional

fieldbus stations

9-pin SUB-D

connector

Wiring of bus lines with bus termination

Note

Take care not to swap over the data lines when connecting the stations.

Always install the bus termination at the start and end of the bus line. The

bus termination uses the supply voltage VP from the device, so ensure that

the voltage supply to the slave device on which the bus termination is

installed is always on.

Since the connectors contain built-in series inductors, avoid fitting connectors

that are not connected to field devices, because the non-existent device

capacitance may cause transmission errors.

It is essential to use a shielded PROFIBUS cable in order to achieve high

system immunity to radiated electromagnetic interference. As far as possible,

the shield should be connected at both ends to the protective ground via large-

area shielding clamps providing good conducting contact. In addition, ensure

that the cable is positioned as far as possible from all power cables. At data

rates >1.5 Mbit/s, stubs must be avoided at all costs.

An equipotential bonding conductor must be installed to reduce potential

differences introduced by different network input points from different parts

of the system.

Installation

Page 10 Version FELD-V2002.02 PROFIBUS manual

3.2 Configuring a PROFIBUS DP system

3.3 Configuration menu in DIGIFORCE®type 9310

Key [Enter] Display

Initial display “MEASUREMENT”

MINIMUM SETUP MENU

CONFIGURATION

GENERAL SETTINGS

PROFIBUS

num.

keys

ADDRESS 002

WATCHDOG OFF

CONTROLLER PROFIBUS

DATA MODE 9

BAUD RATE

1.5 MBAUD

VERSION 200201

001 to 126

ON – OFF*

PLC -PROFIBUS

1 - 9

9.6 kB - 12 MB

* Internal watchdog The communications processor monitors the

measurement processor and forwards the status to the PROFIBUS in the event

of a fault (see page <17>)

System configuration

Device master data files

GSD files

Field

device

Drive I/O

module

Field

device

DIGIFO

RCE93

DIGIFO

RCE93

PROFIBUS

configurator

PLC

PROFIBUS-DP

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