gefran 2400 Manual To Configuration And Network Installation
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gefran 2400 Manual To Configuration And Network Installation

Profibus fast display alarm units
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pAGINA
1 INTRODUCTION ...................................................................................................................... 2
2 TECHNICAL CHARACTERISTICS .......................................................................................... 2
3 INSTALLATION ........................................................................................................................ 2
3.1 ELECTRICAL CONNECTIONS TO PROFIBUS NETWORKS ........................................................................ 2
3.2 CONFIGURATION OF PROFIBUS NETWORK ADDRESS ............................................................................ 4
4 PROFIBUS-DP DATA STRUCTURE ....................................................................................... 6
4.1 CHANGE NODE ADDRESS TELEGRAM (SAP 55) ....................................................................................... 6
4.2 CONFIGURATION TELEGRAM (SAP 62)....................................................................................................... 6
4.3 PARAMETERISATION TELEGRAM (SAP 61) ................................................................................................ 7
4.4 DIAGNOSTICS DATA REQUEST TELEGRAM (SAP 60) ............................................................................... 8
4.5 DATA EXCHANGE (SAP DEFAULT) .............................................................................................................. 9
5.1 CONFIGURATION ......................................................................................................................................... 13
5.2 PARAMETERISATION................................................................................................................................... 14
5.4 STANDARD AREA FOR SLAVE DIAGNOSTICS ......................................................................................... 26
5.5 CHANGING NODE ADDRESS ...................................................................................................................... 27
80018C_MSW_2400-2500-Profibus_1209_ENG
2400/2500 PROFIBUS
GUIDE TO CONFIGURATION
AND NETWORK INSTALLATION
Code: 80018C - ENGLISH
Edition: 04 - 12/09
Profibus firmware version: 01.1x
CONTENTS
PROFIBUS
page
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Summary of Contents for gefran 2400

  • Page 1: Table Of Contents

    5 USING PROFIBUS 2400/2500 INSTRUMENTS WITH SIEMENS STEP7 ......13 5.1 CONFIGURATION ............................13 5.2 PARAMETERISATION........................... 14 5.3 S7 BLOCKS FOR THE MANAGING OF INSTRUMENTS 2400 AND 2500 IN PROFIBUS ......16 5.4 STANDARD AREA FOR SLAVE DIAGNOSTICS ..................26 5.5 CHANGING NODE ADDRESS ........................27...

  • Page 2: Introduction

    1 INTRODUCTION The 2400 series of Fast Displays / Alarm Units and the 2500 series of High Performance Controllers with PROFIBUS-DP Fieldbus interface provide quick integration of typical instrument functions in advanced automation systems (such as PLC, Supervision Systems, etc.) interconnected via communication networks and standard EN50170 “PROFIBUS”...
  • Page 3 3000 6000 12000 Max. length in mt. 1200 1200 1200 1200 1000 GEFRAN S.p.A. supplies cables and PROFIBUS-approved connection systems as accessories. DESCRIZIONE LED “STATUS” PROFIBUS Operative state (GREEN) No communication with Master PROFIBUS Flash 1000msec "AUTOMATIC BAUDRATE RESEARCH" State Flash 250msec "WAIT FOR PARAMETRIZATION"...

  • Page 4: Configuration Of Profibus Network Address

    (see figure on previous page). 2400/2500 instruments come from the factory with the rotary switch in position “00.” The user has to assign the correct position, considering that only “01” to “99” are valid positions.

  • Page 5: Example Of Profibus Network With Hardware Node Address Selection

    3.3 EXAMPLE OF PROFIBUS NETWORK WITH HARDWARE NODE ADDRESS SELECTION 2500 Modbus 2500 Modbus 2500 Modbus 2500 Modbus Node 1 Node 1 Node 1 Node 1 PLC Profibus Master HMI Profibus Slave DRIVE Profibus Slave 2500 Profibus Slave 2500 Profibus Slave 2500 Profibus Slave 2500 Profibus Slave Class 1 node 2...

  • Page 6: Profibus-Dp Data Structure

    4 PROFIBUS-DP DATA STRUCTURE The “Configuration Telegram” (SAP 62) managed by the PROFIBUS Master has to contain the exact configuration of data (number of bytes, format and consistency) exchanged during the “DATA EXCHANGE” operative state (SAP DEFAULT). By means of an area of 7 consistent bytes, always present, defined Parametric Data, the PROFIBUS Master (PLC or Supervisor) can access any parameter of the instrument’s MODBUS memory map.

  • Page 7: Parameterisation Telegram (Sap 61)

    See the attached file 24000A40.gsd or 2500A40.gsd for standard PROFIBUS parameterisations; the implementations introduced by byte 11 let the user define which instrument variables to read and write in the Process data of that PROFIBUS node. INSTRUMENTS 2400 2500 BYTE DESCRIPTION...

  • Page 8: Diagnostics Data Request Telegram (Sap 60)

    3 bytes representing specific product diagnostics. BYTE DESCRIPTION VALUE (hex) 1 ≈ 6 In accordance with standard EN50170 Length of external diagnosis MSB external diagnostics LSB external diagnostics With “xx=00” in absence of alarms and “xx=FF” with 2400/2500 in fault state. Page 8 80018C_MSW_2400-2500-Profibus_1209_ENG...

  • Page 9: Data Exchange (Sap Default)

    1 2 3 4 5 6 7 “Parametric data” are “consistent” data that let you read or write any MODBUS variable, in both bit format and in word format, in the 2400/2500 instruments connected to the PROFIBUS node. PARAMETRIC DATA...
  • Page 10 4.5.2 PARAMETRIC DATA: READING A WORD Request bytes ADD SLAVE ADD MSB ADD LSB NW MSB NW LSB Trigger Slave 3 or 4 Address word Address word No. of word to No. of word to Address to read to read read read (always 00)
  • Page 11 The “Process data” Input area lets the operator immediately read the value of some significant variables of the instrument connected to the PROFIBUS node. PROCESS DATA INPUT BYTE PARAMETER 2400 2500 Process Data Input 1 (MSB) PV1 LSW PV1 LSW...
  • Page 12 The “Process data” Output area lets the operator immediately write the value of some significant variables of the instrument connected to the PROFIBUS node. PROCESS DATA OUTPUT BYTE PARAMETER 2400 2500 Process Data Output 1 (MSB) Alarm Point 1 LSW Local Setpoint LSW...

  • Page 13: Using Profibus 2400/2500 Instruments With Siemens Step7

    4. In the window, look for the file on the support on which it is saved (Floppy or Hard Disk). 5. Press Open. 6. The item “2500 HIGH PERFORMANCE CONTROLLER” (with file 25000a40.gsd) or “2400 HIGH PERFORMANCE INDICATOR” (with file 24000a40.gsd) has now been added to the catalog. To find it, expand the item “Profibus”, then expand the folder “Other field devices”, and finally expand “Controller.”...

  • Page 14: Parameterisation

    5.2 PARAMETERISATION Select the preferred process data by selecting the DP slave properties on the hardware configuration page (16 word input and 16 word output as described in paragraphs 4.5.5 and 4.5.6 ); the selected “Value” represents: (530) PV1 LSW Variable description Variable numerical index in the instrument Modbus Map...
  • Page 15 Clicking the fields in the “Value” column (on the right) lets you modify the default parameter as required by opening a pull-down menu to choose preset variables. Use the vertical scroll bar to display the “Process Data Output” variables and thereby change the default value by choosing one of the alternatives provided.

  • Page 16: S7 Blocks For The Managing Of Instruments 2400 And 2500 In Profibus

    5.3 S7 BLOCKS FOR THE MANAGING OF INSTRUMENTS 2400 AND 2500 IN PROFIBUS In the instruments documentation the following files are supplied: Function Call “FC3” makes the “Parametrical data” of the instrument available in a Data Block (see paragraphs 4.5.1, 4.5.2, 4.5.3, 4.5.4) used together with the FB1 to read and write all the variables contained in the instrument memory map.
  • Page 17 ≈ DBx.DBW82 OUTPUT 16 PROCESS DATUM 5.3.2 FC3 “CFG 2400 2500” This function makes available, in the data block created with UDT described in the previous paragraph, the instrument Parametrical Data necessary for the FB1 operation (see paragraph 5.3.4) FC must be called up in the OB1, without conditions, so that each scanning updates data.
  • Page 18 FirstByte:256 5.3.3 FC4 “PD 2400 2500” This function (FC) makes available, in the data block created with UDT described in paragraph 5.3.1, the instrument Process Data. Each time FC is called up, both reading and writing process data are updated.
  • Page 19 5.3.4 FB1 “OP GEFRAN” This function block (FB) manages the fundamental operations of communicating and configurating Gefran instruments. Bit or word reading or writing operations are available for the user. FB needs one freely assignable istance DB. Branch enabling must be kept high for the necessary time. It is advisable to reset it with “Operation done” flag.
  • Page 20 SlaveNr (INT) : It is the slave MODBUS address with which to operate. In instruments 2400 and 2500 it is fixed at 1 OPCode (INT) : It is the operation code enabling the function to know if you want to read or write one word or one bit. The...
  • Page 21 Example 1 In this example the “group 1 proportional band” with modbus address 5 is read. DB associated to the instrument is DB 3, created with UDT5 or 6, and it is specified at the first input parameter “DBNr”. The instrument MODBUS address to call is 1. The word reading operation code is 3 The word address to be read is 5.
  • Page 22 Example 2 In this example the writing of the group 1 proportional band with modbus address 5 is made. DB associated to the instrument is DB 3, created with UDT5 or 6, and it is specified at the first input parameter “DBNr”.
  • Page 23 5.3.5 FB15 “RCP GEFRAN” The FB15 function block saves or writes a pre-definded parameter set. FB15 nees an istance DB. It must be called up only upon request and kept active until the operation is completed. It is tipically set on a Bit that enables the branch and that is reset with the “Job done”...
  • Page 24 Input parameters: DBNr (INT) : In this field you have to specify the number (only the number in figures or a INT variable that contains the valued) of the DB associated to the instrument to be operated. The association is the one made at FC3 or FC4 call up.
  • Page 25 Output parameters: Done (BOOL) : In this parameter the function writes 1 when the operation has ended Error (BOOL) : In this parameter the function writes 1 when an error took place during the writing operation. ErrorCode (INT): In this parameter the function gives the error code found in case of error ErrorParamNr (INT): In this parameter, in case of error, the function writes the ordinal number in the DB with the list of the parameter addresses that caused the error.

  • Page 26: Standard Area For Slave Diagnostics

    5.4 STANDARD AREA FOR SLAVE DIAGNOSTICS Click Slave Properties to identify the address of the global diagnostics area of the slave. This area is readable with SFC 13 “DPNRM_DG”. See the Siemens Step 7 user manual. In addition to standard bytes, the slave supplies extended diagnostics data with a word. Page 26 80018C_MSW_2400-2500-Profibus_1209_ENG...

  • Page 27: Changing Node Address

    5.5 CHANGING NODE ADDRESS You can change the address of the Profibus Slave by selecting the “Assign Profibus address” command. Attention: check that your hardware for communication with the Profibus Master supports this function. If you are not sure of your network configuration, connect one Slave at a time and change their address. Active PROFIBUS Address : Use this field to select one of the existing nodes.
  • Page 28 STEP ® is a registered trademark of Siemens AG. 25000A40.gsd is a registered trademark of the PROFIBUS user organization (PNO) GEFRAN spa Via Sebina, 74 25050 Provaglio d’Iseo (Brescia) – Italy Tel. +39 030 9888.1 Fax +39 030 9839063 http://www.gefran.com mail: info@gefran.com...

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