Mitsubishi Electronics 2408fの取扱説明書

デバイスMitsubishi Electronics 2408fの取扱説明書

デバイス: Mitsubishi Electronics 2408f
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メーカー: Mitsubishi Electronics
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追加した日付: 8/25/2013
ページ数: 35
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内容要旨
ページ1に含まれる内容の要旨

2408f & 2404f PROFIBUS Communications Handbook Contents
CONTROLLER MODELS 2408f and 2404f
PROFIBUS-DP COMMUNICATIONS HANDBOOK
Contents Page
Chapter 1 INTRODUCTION ……………………………………………………..…………… 1-1
Chapter 2 PRINCIPLES OF OPERATION ………………………..……..…...................…
2-1
Chapter 3 WIRING ………........……………………….………….……………… 3-1
Cable Specifications 3-2
Chapter 4 CONTROLLER SET UP & NETWORK

ページ2に含まれる内容の要旨

2408f & 2404f PROFIBUS Communications Handbook Introduction CHAPTER 1 INTRODUCTION This handbook is written for people who need to use a digital communications link and PROFIBUS-DP communication protocols to supervise Eurotherm Controls Series 2000 instruments. The PROFIBUS-DP protocol is supported by Eurotherm instruments carrying the suffix f in their order codes. Specifically 2408f and 2404f cont

ページ3に含まれる内容の要旨

Introduction 2408f & 2404f PROFIBUS Communications Handbook PROFIBUS-DP is a multimaster, master-slave, token passing network. More detailed information, including a detailed guide to products available, may be obtained from the various world wide PROFIBUS user organisations. You will find contact information in trade magazines or by reference to http://www.profibus.com on the World Wide Web. PROFIBUS is av

ページ4に含まれる内容の要旨

2408f & 2404f PROFIBUS Communications Handbook Principles of Operation CHAPTER 2 PRINCIPLES OF OPERATION PROFIBUS-DP distinguishes between master devices and slave devices. It allows slave devices to be connected on a single bus thus eliminating considerable plant wiring typical with conventional communications systems. Figure 2-1 compares the two systems. Master devices determine the data communication on the bus. A

ページ5に含まれる内容の要旨

Principles of Operation 2408f & 2404f PROFIBUS Communications Handbook Typically no more than 32 bytes of input data and 32 bytes of output data are exchanged for each device during the data exchange. Some PLC masters allow no more than this, although the PROFIBUS-DP standard provides the possibility of transferring 236 bytes in each direction. The input and output data lengths for a given device are variable and it is pos

ページ6に含まれる内容の要旨

2408f & 2404f PROFIBUS Communications Handbook Wiring CHAPTER 3 WIRING RS485 is the transmission technology used in 2404f and 2408f PROFIBUS-DP controllers. Connections are made to the rear terminal block as follows: Controller Terminal Designation Function HB Shield RF Ground for cable shielding HC VP 5 Volts for termination network only HD B/B RXD/TXD positive A/A RXD/TXD negative HE HF D Gn

ページ7に含まれる内容の要旨

Wiring 2408f & 2404f PROFIBUS Communications Handbook Either of the two cable types detailed below can be used. Please note that the cable types A and B, specified below, are NOT related to the wire numbers A and B in the above wiring diagram. Type A is recommended as it allows higher speed and longer cable length. Type A cable Type B cable Characteristic 135 to 165Ω at a

ページ8に含まれる内容の要旨

2408f & 2404f PROFIBUS Communications Handbook Controller Set Up & Network Configuration CHAPTER 4 CONTROLLER SET UP & NETWORK CONFIGURATION PROFIBUS-DP communications is available in Eurotherm 2408f and 2404f controllers. Other 2000 series controllers (i.e. controllers without the f suffix) cannot be converted to PROFIBUS-DP comms, since a different microprocessor board is required. Main Differences between 2400f Controllers and Other Series 20

ページ9に含まれる内容の要旨

Controller Set Up & Network Configuration 2408f & 2408f PROFIBUS Communications Handbook TO CONFIGURE THE CONTROLLER COMMUNICATIONS PARAMETERS Select Configuration Level Press Page button “HOME” repeatedly display until Access List appears If incorrect D D password D D entered )O6 )O6 1st press 2 secs If the password has been set to ‘0’ - / / access is or to enter password / / permanently unlocked (fac

ページ10に含まれる内容の要旨

2408f & 2404f PROFIBUS Communications Handbook Controller Set Up & Network Configuration NETWORK CONFIGURATION Having wired and configured the controller, the master PLC or PC based supervisory package must be configured to set-up the parameters that it will be able to read and write to. This is known as ‘network configuration’. The network is configured by importing ‘GSD’ files into your Master PROFIBUS network configuration software: This should

ページ11に含まれる内容の要旨

Controller Set Up & Network Configuration 2408f & 2408f PROFIBUS Communications Handbook PROFIBUS DIAGNOSTICS One of the features of PROFIBUS-DP is that high priority diagnostic information is provided for each slave. The 2400 f Series uses the ‘Ext_Diag_Data’ area of this message (bytes 7 and 8) to send a word containing 16 bits of information pertaining to the process and alarm status of the controller: The documentation supplied with your master sho

ページ12に含まれる内容の要旨

2408f & 2404f PROFIBUS Communications Handbook The Windows Configurator CHAPTER 5 THE WINDOWS CONFIGURATOR The Windows Configurator creates a ‘GSD’ file which provides a simple way of mapping device parameters into the PLC or supervisory package input/output registers. The GSD file is imported into a PROFIBUS Master which in turn produces a file that is downloaded into the PLC or supervisory package. It works on the ‘dra

ページ13に含まれる内容の要旨

The Windows Configurator 2408f & 2404f PROFIBUS Communications Handbook To add a parameter to the PROFIBUS-DP Input Data, simply drag it from the Device Parameter list using the mouse, and drop it into the Inputs list. Similarly, drop a parameter into the Outputs list to set PROFIBUS-DP Output Data. Alternatively, double click on a parameter name to add it to the currently selected window - select the list by clicking on

ページ14に含まれる内容の要旨

2408f & 2404f PROFIBUS Communications Handbook Troubleshooting CHAPTER 6 TROUBLESHOOTING No Communications: • Check the wiring carefully, paying particular attention to the continuity of the A and B connections to the Master. Ensure that the correct terminals have been wired to. • Access the # list in configuration level and check that the function ( 9. ) is set to 05/ . If not, the controller is not

ページ15に含まれる内容の要旨

2408f & 2404f PROFIBUS Communications Handbook Demand Data CHAPTER 7 DEMAND DATA The GSD file is used to define those parameters which need to be updated continuously. It is, therefore, a convenient way to transfer input and output data between the controller and the master PLC or Supervisory Computer. It is, however, wasteful in comms bandwidth if, for example: 1. It is used to read or write to occas

ページ16に含まれる内容の要旨

Demand Data 2408f & 2404f PROFIBUS Communications Handbook Demand Data uses the first 8 bytes in both the request and response message of the cyclic Data Exchange. DEMAND DATA STRUCTURE Read Request (from PLC) Response to Read Request (from Controller) PLC Output Register Output Data PLC Input Register Number Input Data Number The first four registers are reserved for responses to The first four registers

ページ17に含まれる内容の要旨

2408f & 2404f PROFIBUS Communications Handbook Demand Data THE COMMAND CODE AND TAG ARE ENCODED INTO REGISTER 1 AS FOLLOWS: Bits 15-12 Bit 11 Bit 10 - 0 Command Code Reserved Parameter Tag Because only 11 bits are available for the Parameter Tag, the maximum tag allowable for standard demand data operations is 2048. The 2400f series controller allows tag values of up to 16383, therefore, extended tags ha

ページ18に含まれる内容の要旨

Demand Data 2408f & 2404f PROFIBUS Communications Handbook Worked example 1 - Starting an Autotune An autotune is a good example of an operation that might be performed using the demand data sub-protocol, since it is a relatively infrequent operation and it would be wasteful to dedicate PROFIBUS-DP I/O data to such a task. Request 1: Clear any previous demand data requests. You should do this at the start

ページ19に含まれる内容の要旨

2408f & 2404f PROFIBUS Communications Handbook Demand Data Worked example 2 - Uploading Program Data The 2400f series with PROFIBUS-DP may be configured with a ramp/dwell programmer option. It is often the case that specific ramp dwell sequences need to be downloaded to an instrument. Because of the amount of data involved, it would be impossible if only standard PROFIBUS-DP input and output frames were

ページ20に含まれる内容の要旨

2408f & 2404f PROFIBUS Communications Handbook Tag Addresses CHAPTER 8 TAG ADDRESSES Tag addresses are used to identify parameters in the controller and are identical to the Modbus addresses which are also listed in the Series 2000 Communications Manual, Eurotherm Part No. HA 026230. Tag addresses are used with the demand data protcol to set up input/output data in the PLC or supervisory PC.. They are r


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