Fieldbus Specialists Profibus Manual de usuario

MCD 3000 – PROFIBUS GATEWAY

MCD 3000 SERIES 1 USER MANUAL

PROFIBUS Gateway

for MCD 3000 Series Soft Starters

P/N FS-1135

User Manual

Ver. 1.9

10 October 2003

MCD 3000 – PROFIBUS GATEWAY

MCD 3000 SERIES 2 USER MANUAL

REVISION NOTES

Index

Date

Chapte

Author

Rev.

Revision note

04-Feb-2002

All

AMcN

1.0

Created

11-Feb-2002

All

1.1

Various corrections

10-Mar-2002

All

1.2

Extended indications for invalid PROFIBUS

address

14-Mar-2002

2.6.2, 7

1.3

Local/Remote setting recommendations,

corrections to Specifications

4-April-2002

2.6.1

AKJ

1.4

Wiring diagrams added, mapping of read

memory corrected

5-MAY-2002

All

AmcN,

1.5

Unified format, added functions to handle

comm. breakdown

25-OCT-2002

1.6

Added comments related to Siemens S7

PLC

1-OCT-2003

1.7

Added comments re. firmware version 2.02

and code compliance with Danfoss

manual AMB00000 Rev. G

9-OCT-2003

JP/AJ

1.8

Modified to reflect compliance with

AMB00000 Rev. G

10-OCT-2003

1.9

Note re.byte sequencing in 2.10

TECHNICAL SUPPORT

In case of any questions or problems, please contact Fieldbus Specialists on

[email protected].

We will endeavour to reply immediately.

PREFACE

MCD 3000 – PROFIBUS GATEWAY

MCD 3000 SERIES 3 USER MANUAL

The data and illustrations in this manual are not binding.

Fieldbus Specialists reserve the right to modify our products in

line with our policy of continuous product development. The

information in this manual is subject to change without notice

and should not be considered as a commitment by Fieldbus

Specialists.

Fieldbus Specialists assume no responsibility for any errors that

may appear in this document.

Although this product has been developed with great care

and extensively tested, Fieldbus Specialists cannot guarantee

the suitability of this product for any purpose. Warranty claims

shall be limited to the right to require rectification of faults.

Liability for any damages, which may have arisen from the use

of this product or its documentation, shall be limited to cases of

intent.

MCD 3000 – PROFIBUS GATEWAY

MCD 3000 SERIES 4 USER MANUAL

CONTENTS

1 INTRODUCTION ............................................................................................................................. 6

1.1 IMPORTANT USER INFORMATION............................................................................................................... 6

1.2 GENERAL.................................................................................................................................................. 6

2 INSTALING THE GATEWAY ..........................................................................................................8

2.1 GATEWAY CONNECTION DIAGRAM............................................................................................................ 8

2.2 FRONT PANEL ........................................................................................................................................... 9

2.3 INSTALLATION SEQUENCE....................................................................................................................... 11

2.4 POWER CONNECTION .............................................................................................................................. 11

2.5 PROFIBUS CONNECTION....................................................................................................................... 12

2.5.1 Cabling..........................................................................................................................................12

2.5.2 GATEWAY CONFIGURATION ................................................................................................................... 13

2.6 MCD3000 CONNECTION......................................................................................................................... 14

2.6.1 Cabling..........................................................................................................................................14

2.6.2 MCD3000 configuration .............................................................................................................16

3 PROGRAMMING THE MASTER CONTROLLER ........................................................................ 18

3.1 GSD FILE................................................................................................................................................ 18

3.2 DECLARING MODULES ............................................................................................................................ 18

3.3 SETTING PROFIBUS PARAMETERS........................................................................................................ 19

3.4 MASTER-SLAVE DATA EXCHANGE .......................................................................................................... 21

3.5 DATA WRITE AREA.................................................................................................................................. 21

3.6 DATA READ AREA................................................................................................................................... 22

3.7 ISSUING COMMANDS .............................................................................................................................. 24

4 OPERATION OF THE GATEWAY ................................................................................................ 29

4.1 SCANNING SLAVES.................................................................................................................................. 29

4.2 SCANNING TIMES .................................................................................................................................... 29

4.3 OFFLINE SLAVES..................................................................................................................................... 31

5 SPECIFICATIONS......................................................................................................................... 32

6 TROUBLESHOOTING .................................................................................................................. 33

MCD 3000 – PROFIBUS GATEWAY

MCD 3000 SERIES 5 USER MANUAL

Table List

Table 1 – LED Indication.......................................................................................................................................10

Table 2 – PROFIBUS socket pin assignment .......................................................................................................12

Table 3 – RS-485 pin assignment.........................................................................................................................14

Table 4 – MCD 3000 Local/Remote modes ..........................................................................................................17

Table 5 – MCD 3000, RS-485 baud rate values....................................................................................................17

Table 6 – MCD 3000 node address on RS-485 network.......................................................................................17

Table 7 – Gateway parameter, RS-485 link baud rate..........................................................................................19

Table 8 – Gateway parameter, gateway operation on communication loss..........................................................20

Table 9 – PROFIBUS Write / Out Memory in control module................................................................................22

Table 10 – Command result codes .......................................................................................................................22

Table 11 – PROFIBUS Read / In memory.............................................................................................................24

Table 12 – Valid commands..................................................................................................................................25

Table 13 – New Command / Command Acknowledge handshaking ....................................................................27

Table 14 – Result Ready / Result Acknowledge handshaking..............................................................................27

Table 15 – Scanning cycle length for different baud rates and the number of MCD 3000 devices present..........30

Table 16 – Maximum time to detect return of an offline device.............................................................................30

Table 17 – Gateway specifications........................................................................................................................32

Table 18 – Troubleshooting guide.........................................................................................................................33

Figure List

Figure 1. Typical diagram of a PROFIBUS network, a gateway and an RS-485 sub-network...............................8

Figure 2. Gateway front panel................................................................................................................................9

Figure 3. Entering address via dip switches, an example....................................................................................13

Figure 4. Recommended wiring diagram for one MCD3000 device.....................................................................15

Figure 5. Wiring diagram for a number of MCD3000 devices connected to a single gateway.............................15

MCD 3000 – PROFIBUS GATEWAY

MCD 3000 SERIES 6 USER MANUAL

1INTRODUCTION

1.1 Important user information

This manual describes operation and programming of a

PROFIBUS gateway for MCD3000 series soft starters, gateway

firmware revision 2.11.

Gateway with firmware version 2.11 complies with MCD3000

protocol as described in Danfoss manual AMB00000 Rev. G

and is likely to be incompatible with earlier versions of the soft

starter. Remote programming of parameters is not supported

at the moment. Contact Fieldbus Specialists if you require a

firmware version that supports earlier models.

Observe all the necessary safety precautions when controlling

any MCD 3000 series device over the serial communications

link, including alerting personnel that the machinery may start

without warning.

1.2 General

The MCD 3000 series of solid state soft starters incorporate a

serial communications facility that allows for the remote

control and interrogation of the MCD 3000 from an intelligent

host (master) via a multi-drop RS-485 communications network

using a proprietary protocol, specific to MCD 3000 devices.

The RS-485 link may be used to interface a MCD 3000 device to

a PROFIBUS network using the PROFIBUS to MCD 3000 gateway.

The PROFIBUS Master can then control any connected MCD

3000 device – start it, stop, reset trip conditions and read

operational status, motor conditions or trip status.

The PROFIBUS to MCD 3000 Gateway is a certified PROFIBUS

slave device. A number of gateways and other PROFIBUS

slave devices can be connected to the same network, subject

only to standard PROFIBUS limitations.

The gateway is a master on the RS-485 multi-drop MCD 3000

communications network. Up to 30 MCD 3000 devices may be

connected to a single Gateway. In this way up to 30 MCD

3000 devices will share one PROFIBUS address on the PROFIBUS

communications network.

This manual describes how the PROFIBUS to MCD 3000

gateway operates, how to connect MCD 3000 series soft

starters to the gateway and how to connect and operate the

gateway on a PROFIBUS network.

MCD 3000 – PROFIBUS GATEWAY

MCD 3000 SERIES 7 USER MANUAL

When reading this manual, it may help to refer to the MCD

3000 Operating Instructions, Danfoss document no. AMB00000.

MCD 3000 – PROFIBUS GATEWAY

MCD 3000 SERIES 8 USER MANUAL

2INSTALING THE GATEWAY

2.1 Gateway connection diagram

The diagram below shows how the gateway is connected to

the PROFIBUS network and to the RS-485 sub-network.

PROFIBUS DP

Master

DP Slave DP Slave

MCD 3000

Gateway

MCD 3000

device MCD 3000

device

MCD 3000

device

MCD 3000

device

PROFIBUS network

RS-485 sub-network

Figure 1. Typical diagram of a PROFIBUS network, a gateway

and an RS-485 sub-network.

A gateway can coexist with a number of other PROFIBUS

nodes, including other gateways. Each gateway constitutes a

single PROFIBUS node, even if it connects to a number of MCD

3000 devices.

MCD 3000 – PROFIBUS GATEWAY

MCD 3000 SERIES 9 USER MANUAL

2.2 Front panel

Figure 2. Gateway front panel

Fig. 2 shows the front panel of the gateway. Located on the

front panel are:

1. RS-485 sub-network connector for connecting up to 30

MCD 3000 devices, DB9, male,

2. PROFIBUS network connector, DB9, female,

3. Power connector, 2 pin removable terminal block,

4. Bi-colour PROFIBUS status LED,

5. Bi-colour RS-485 status LED,

6. Dip switches for PROFIBUS address selection.

The following table indicates the status of the PROFIBUS

connection.

RS485

STATUS 1

2345678

ADDRESS

LSB

24V DC

MCD 3000 - PROFIBUS Gateway

FS-1135

PROFIBUS

STATUS

RS485

POWER

MCD 3000 – PROFIBUS GATEWAY

MCD 3000 SERIES 10 USER MANUAL

PROFIBUS

LED

RS-485

LED

Gateway status

Gateway starting (max. 6 sec) or no power

ANY

Invalid PROFIBUS address

ANY

PROFIBUS link down – no PROFIBUS Master,

incorrect address or no connection,

ANY

PROFIBUS link error – wrong configuration or

parameter in Master

ANY

PROFIBUS link up and problem-free

ANY

No communication on the RS-485 link

ANY

Occasional errors on the RS-485 link

Both PROFIBUS and RS-485 links operational

and error-free

Legend:

- LED off

- LED steady green

- LED flashing red/off

-LED flashing green/red

-LED flashing green/red/off

ANY – applies irrespective of LED status

Table 1 – LED Indication

These simple rules may be worth remembering:

-Flashing indicates errors on the relevant link,

-Flashing red means that the gateway attempts to

communicate but fails every time,

-Flashing red/green means that the gateway can

communicate, but errors occur.

R/B

G/R

G/R/B

R/B

G/R/B

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