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FMC Technologies MPU B Series - User Manual
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Multipath Ultrasonic Gas Flow
Meter
External Dat
a Communicat
ion,
MPU Series B
Procedure Manual
The Most Trusted Name In Measurement
PRD-000002254
3 / Rev. 00D / FL
/ nb /
April 2008
MNKS0
08 0.0 (4
/08)
2
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
1 Introduction
5
General
5
References
5
Abbreviations
5
Definitions
5
2 Protocol Details
7
Modbus on Serial Port
7
Serial Port 1
7
Serial Port 2
7
Hardware Interface Details
8
Timing Considerations for RS-485
8
Modbus on TCP/IP
8
3 Register Mappings
9
Input Registers
9
Results/Output Registers
10
High Resolution Accumulators
11
Parameter Registers
12
Spoolpiece Geometry
12
Rate Calibration Factors
12
4 Register Usage
13
The MPU Series B Alarm Status
13
Figure 1 - Flow Computer Application Example
13
The Modbus Protocol - Message Exchange Example
14
Modbus Read Message Example
14
Figure 2 - Modbus Read Message Example
14
Figure 3 - Modbus Read Reply Message Example
14
Modbus Write Message Example
15
Figure 4 - Modbus Write Message Example
15
Figure 5 - Modbus Write Reply Message Example
15
5 Register Mappings for the Deca Calculations
17
External Input Values
17
Mode Parameters
17
Input Parameters
18
Calculation Results
19
6 Windows Communication Software
21
MPUCOMM Dynamic Link Library
21
Installation
21
Running the Test Programs
22
Figure 6 - Dlltester User Interface
22
Figure 7 - Running the Simpletalk.exe Application
23
The Network Programmers Interface
23
Status Return Codes
27
MPU Series B Winscreen
27
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FMC Technologies MPU B Series Specifications
General
Brand
FMC Technologies
Model
MPU B Series
Category
Measuring Instruments
Language
English
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