Bronkhorst RS232 interface Instrukcja Użytkownika Pobierz pdf (Strona 3)

BRONKHORST®

Page3RS232interface    9.17.027

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Tableofcontents

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1 GENERALPRODUCTINFORMATION....................................................................................................4

1.1 INTRODUCTION...................................... ................................................................. ......................................4

1.2 MULTIBUSTYPES.................................................................... ....................................................................... 4

1.3 REFERENCESTOOTHERAPPLICABLEDOCUMENTS................. .......................... ........................... .............................5

1.3.1 Manualsanduserguides:. ........... .................... ........... ........... ................... ........... .................... ........... .....5

1.3.2 TechnicalDrawings:...... ........... ........... ................... ........... .................... ........... ........... .................... .........5

1.3.3 Softwaretooling:. ........... ........... .................... ........... ........... ................... ........... .................... ........... .......5

1.4 SHORTFORMSTART‐UP..................................... ................................................................. .............................6

2 INTERFACES........................................................................................................................................7

2.1 RS232/FLOW‐BUSINTERFACE................ ................................................................. ......................................7

2.1.1 D‐connectorforRS232............. ................... ........... ........... .................... ........... .................... ........... .........7

2.2 RS232ONMULTIBUSINSTRUMENT.......................................................................................... ..........................8

2.2.1 Applications,e.g.EL‐FLOW.............. ........... .................... ........... ........... .................... ........... ....................8

2.2.2 Facilities................. ........... .................... ........... ........... .................... ........... ................... ............. ........... ...9

2.2.3 BaudratesmultibusRS232:............ ........... .................... ........... ........... .................... ........... ................... ...9

3 FLOW‐BUSPROTOCOLDESCRIPTION................................................................................................10

3.1 GENERAL......................... ........................... ................................................................. ..............................10

3.2 INITIALISATIONOFLOCALHOSTINTERFACESONMULTIBUSINSTRUMENTS.......................................... ........................10

3.3 INTERFACESTRUCTURE.. ........................... ................................................................. ....................................11

3.3.1 Basicdatalinkformat................. .................... ........... ................... ........... ........... .................... ........... .....11

3.3.2 ASCIItable........... ........... .................... ........... ................... ........... ........... .................... ........... ................11

3.3.3 RS232ASCIIprotocol.. ........... ........... .................... ........... ........... .................... ........... .................... .........12

3.3.4 Enhancedbinaryprotocol..................... ........... ................... ........... .................... ........... ........... ..............13

3.4 COMMUNICATIONMESSAGES............................................................................................................. ............14

3.4.1 Communicationcommands................................... ........... ........... .................... ........... .................... .......14

3.4.2 Parametertypes........... ................... ........... .................... ........... ........... .................... ........... ..................15

3.5 CHAINING............... ........................... ................................................................. .......................................15

3.6 STATUSMESSAGE.................................................................................................... ....................................16

3.7 SENDPARAMETERS.............................................................. ........................................................................17

3.8 REQUESTPARAMETER....................................... ................................................................. ...........................17

3.9 INITIALISINGRS232/FLOW‐BUSINTERFACE........................................ ............................................................19

3.10 EXAMPLES.......................................................................................................... .......................................20

3.10.1 Sendingsetpoint.. .................... ........... ........... ................... ........... .................... ........... ........... ................20

3.10.2 Sendingchainedparameters........ .................... ........... ................... ............ .......... .................... ........... ...21

3.10.3 Requestsetpoint......... .......... ........... .................... ........... ........... .................... ........... .................... .........22

3.10.4 Requestchainedparameters...................... ........... ........... .................... ........... .................... ........... .......23

3.10.5 Requestmeasure................... .......... .................... ........... ........... .................... ........... .................... .........25

3.10.6 Requestcountervalue.......... .................... ........... .................... ........... ........... .................... ........... .........26

4 DUALINTERFACEOPERATION..........................................................................................................27

5 PARAMETERINFORMATION.............................................................................................................28

6 TROUBLESHOOTING.........................................................................................................................30

6.1 LEDINDICATIONS.............. ................................................................. ........................... ..............................30

6.2 TROUBLESHOOTINGHINTSANDTIPS...................................... ........................... ........................... ..................... 30

7 SERVICE............................................................................................... .............................................31

8 APPENDIX........................................................................................................................................32

8.1 PARAMETERVALUESTABLE.............. ................................................................. .............................................32

8.2 PARAMETERPROPERTIESTABLE............................................ .................................................................. .........32

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