Dynamic Fluid Measurement
SFC3 Liquid Pulse Manual
Modbus Data
— 4-1
Date: 8/1/2019
CHAPTER 4:
MODBUS DATA
MODBUS PROTOCOL
TRANSMISSION MODE
ASCII
RTU
DATA BITS
7
8
START BITS
1
1
PARITY
EVEN, ODD
NONE
STOP BITS
1
1
ERROR CHECKING
LRC
CRC
BAUD RATE
1200-9600
1200-9600
ASCII FRAMING
Framing is accomplished by using colon (:) character indicating the beginning of frame and carriage (CR),
line feed (LF) for the end of frame
ASCII MESSAGE FORMAT
ADDRESS
FUNCTION
DATA
ERR\CHECK
:
2 CHAR
2 CHAR
Nx2 CHAR
2 CHAR
CR
LF
8 BITS
16 BITS
16 BITS
Nx16 BITS
16 BITS
8 BITS
8 BITS
RTU FRAMING
Frame synchronization is done by time basis only. The Smart Flow Computer allows 3.5 characters time
without new characters coming in before proceeding to process the message and resetting the buffer.
RTU MESSAGE FORMAT
ADDRESS
FUNCTION
DATA
CRC
8 BITS
8 BITS
Nx8 BITS
16 BITS
Содержание SFC3
Страница 15: ...Dynamic Fluid Measurement SFC3 Liquid Pulse Manual Quick Start 1 10 Date 8 1 2019 Memory Jumper ...
Страница 17: ...Dynamic Fluid Measurement SFC3 Liquid Pulse Manual Quick Start 1 12 Date 8 1 2019 ...
Страница 18: ...Dynamic Fluid Measurement SFC3 Liquid Pulse Manual Quick Start 1 13 Date 8 1 2019 ...
Страница 22: ...Dynamic Fluid Measurement SFC3 Liquid Pulse Manual Quick Start 1 17 Date 8 1 2019 Wiring the Analog Inputs 1 4 ...
Страница 26: ...Dynamic Fluid Measurement SFC3 Liquid Pulse Manual Quick Start 1 21 Date 8 1 2019 TURBINE SINE WAVE ...
Страница 35: ...Dynamic Fluid Measurement SFC3 Liquid Pulse Manual Quick Start 1 30 Date 8 1 2019 ...
Страница 37: ...Dynamic Fluid Measurement SFC3 Liquid Pulse Manual Quick Start 1 32 Date 8 1 2019 Wiring of Brooks Prover ...
Страница 38: ...Dynamic Fluid Measurement SFC3 Liquid Pulse Manual Quick Start 1 33 Date 8 1 2019 Wiring of Calibron Prover ...
Страница 88: ...Dynamic Fluid Measurement SFC3 Liquid Pulse Manual Flow Equations 3 5 Date 8 1 2019 ...