CARLO GAVAZZI EM21 - COMMUNICATION PROTOCOL V1 REV0 Instrukcja Użytkownika Pobierz pdf (Strona 2)

CARLO GAVAZZI

CONTROLS

SERIAL COMMUNICATION PROTOCOL

WM24-96

V1 R0

Page

Index

INDEX ........................................................................................................................................2

1 SERIAL COMMUNICATION PROTOCOL..............................................................................3

1.1 INTRODUCTION............................................................................................................3

1.2 FUNCTIONS..................................................................................................................3

1.3 MEMORY AREA............................................................................................................5

1.4 WM24-96 IDENTIFICATION CODE.................................................................................5

2 RAM VARIABLES MAP .......................................................................................................6

2.1 INSTANTANEOUS VARIABLES MAP (RAM, PAGE 1).....................................................6

2.2 ALARM, STATUS, METER VALUES MAP (RAM, PAGE 0) ..............................................9

3 EEPROM MAP...................................................................................................................15

3.1 METERS AREA...........................................................................................................15

3.2 PROGRAMMING PARAMETERS .................................................................................16

4 CRC CALCULATION ALGORITHM ....................................................................................22

5 HARDWARE SPECIFICATIONS.........................................................................................23

5.1 RS485/RS422 INTERFACE..........................................................................................23

5.2 RS232 INTERFACE .....................................................................................................25

Gross Automation (877) 268-3700 · www.carlogavazzisales.com · [email protected]

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CARLO GAVAZZI EM21 - COMMUNICATION PROTOCOL V1 REV0 Instrukcja Użytkownika Strona 2