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Table of Contents
SECTION 1 INTRODUCTION ....................................................................................1-1
SECTION 2 HARDWARE ..........................................................................................2-1
2.1 Definition of terms......................................................................................2-1
2.2 RS-232 and RS-485 hardware ..................................................................2-1
SECTION 3 USING THE CONFIGURATION SETUP................................................3-1
SECTION 4 DEFINITIONS.........................................................................................4-1
4.1 Meter or DCE.............................................................................................4-1
4.2 Computer or DTE ......................................................................................4-1
4.3 Point to Point .............................................................................................4-1
4.4 Multi Point (Multi-Drop)..............................................................................4-1
4.5 Simplex......................................................................................................4-1
4.6 Half Duplex................................................................................................4-1
4.7 Full Duplex.................................................................................................4-1
4.8 RS-232 (CCITT V.24) ................................................................................4-2
4.9 RTS .......................................................................................................4-2
4.10 RS-422 ......................................................................................................4-2
4.11 RS-485 ......................................................................................................4-2
4.12 ASCII .......................................................................................................4-3
4.13 Hex ASCII..................................................................................................4-4
4.14 Transmission Voltage Levels.....................................................................4-6
4.15 Recognition Character...............................................................................4-6
4.16 RAM .......................................................................................................4-6
4.17 EEPROM...................................................................................................4-6
SECTION 5 BAUD RATES ........................................................................................5-1
SECTION 6 CHARACTER WAVEFORM...................................................................5-1
SECTION 7 CLASSES OF OPERATION ..................................................................7-1
7.1 Point to Point .............................................................................................7-1
7.1.1 Continuous Mode ........................................................................7-1
7.1.1.1 Message Handshake ..................................................................7-2
7.1.1.2 Character Handshake .................................................................7-2
7.1.2 Command Mode..........................................................................7-2
7.2 Multi Point..................................................................................................7-2
7.2.1 Command Mode..........................................................................7-2
7.2.2 Alarm Mode.................................................................................7-3
7.3 The Meter as a Remote Display................................................................7-4
7.4 The Meter as a Double Tasking Remote Meter .........................................7-4
7.4.1 Command Structure for Double Tasking .....................................7-5
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