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Baker Hughes 8000 Series
Instruction manual
GE Baker Hughes 8000 Series Instruction Manual
Trench etched resonant pressure sensor
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Contents
Table of Contents
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Table of Contents
Table of Contents
Installation
Introduction
Connecting TERPS to a Pressure Source
Media Compatibility
Pressure Containment
Power Requirements
Software
USB Driver
Labview Driver
Mobile Application
RPS Pressure Measurement
Measuring the Frequency
Measuring the Diode Voltage
Calculating Pressure
Stored Coefficients
DPS Pressure Measurement
Serial Data Communications Settings
Applications
RS-485 Connections
RS-232 Connections
USB Connection
Measuring Pressure
Factory Defaults
Programming Guide
Command Summary
Communication Modes
Direct Mode
Addressed Mode
Command Syntax
Direct Mode Syntax
Addressed Mode Syntax
Measurement Commands
R - Get Reading
G - Get New Reading and Transmit
Z - Read Raw Data
Information Commands
I - Transducer Identity
General Set-Up Commands
A - Auto-Send Reading
N - Set Device (Transducer) Address
Q - Set Measurement Speed
U - Set Units
PIN Protected Set-Up Commands
C - User Calibration
H - Change Slope
M - User Message
O - Communication Settings
P - Change PIN
S - Set Offset
Factory Commands - Query Only
E - Crystal Reference Frequency
L - Load Calibration Coefficients
T - Analogue/Digital Converter Set-Up
Transducer Type and Settings
W - EEPROM Query
Error Messages
Incorrect User Command
Transducer Fault
Appendix A. Fault Finding
Appendix B. RPS EEPROM Format
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8000/8100/8200
Series
Trench Etched Resonant Pressure Sensor
Instruction Manual
bhge.com
BHGE Data Classification: Public
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Summary of Contents for GE Baker Hughes 8000 Series
Page 1
8000/8100/8200 Series Trench Etched Resonant Pressure Sensor Instruction Manual bhge.com BHGE Data Classification: Public...
Page 3
A qualified technician must have the necessary technical knowledge, documentation, special test equipment and tools to carry out the required work on this equipment. © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | i...
Page 4
Feet of water Hecto Pascal Inches of water inHg Inch of mercury Kilogram kg/cm Kilogram per centimetre squared kg/m Kilogram per metre squared Kilo Pascal ii | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 5
Pound per square inch RS-232 ANSI TIA-232 communication standard RS-485 ANSI TIA-485 communication standard TERPS Trench etched resonant pressure sensor Universal serial bus Volt © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | iii...
Page 6
| 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 7: Table Of Contents
Measurement Commands 4.4.1 R - Get Reading 4.4.2 G - Get New Reading and Transmit 4.4.3 Z - Read Raw Data Information Commands © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | v...
Page 8
4.8.5 W - EEPROM Query Error Messages 4.9.1 Incorrect User Command 4.9.2 Transducer Fault Appendix A. Fault Finding Appendix B. RPS EEPROM Format vi | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 9: Installation
1.2 Connecting TERPS to a Pressure Source When mounting the sensor, seal the mating surfaces. Failure to properly seal may affect performance or calibration accuracy. © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 1...
Page 10: Media Compatibility
0 to 3.5 bar 7 bar maximum DPS 80XX 0 to 7 bar 70 bar maximum >7 to 70 bar 200 bar maximum 2 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 11: Power Requirements
The TERPS application displays pressure from any USB TERPS sensor. Barometric TERPS sensors can optionally display the following aeronautical parameters: QFE, QNH, QFF and MSL. © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 3...
Page 12
Chapter 1. Installation 4 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 13: Rps Pressure Measurement
) and a 4 order temperature signal ). If other orders of fit are used, these equations will need to be expanded to suit. © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 5...
Page 14: Stored Coefficients
2.4 Stored Coefficients The coefficients are also stored internally on a serial EEPROM. See Appendix B. for details on data format and communication information. 6 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 15
The internal EEPROM is only available on some electrical connector variants of the RPS 8XXX series, see data sheet or calibration certificate for electrical connection details. © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 7...
Page 16
Chapter 2. RPS Pressure Measurement 8 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 17: Dps Pressure Measurement
Note: For electrical connections refer to the sales data sheet. Other connectors available, refer to manufacturer. 11 - 28 V DC Pressure RS-485 A RS-485 B Figure 3-1: RS-485 Direct Connection © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 9...
Page 18: Rs-232 Connections
RS-232 Tx RS-232 Rx Figure 3-3: RS-232 Direct Connection 3.5 USB Connection Standalone USB electrical connection: Pressure Micro-USB socket Figure 3-4: USB Connection 10 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 19: Measuring Pressure
300 ms to 560 ms Mode Direct a. PIN functions are disabled in USB versions. The default PIN value is not applicable for USB versions. © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 11...
Page 20
Chapter 3. DPS Pressure Measurement 12 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 21: Programming Guide
All <LF> characters are removed from the incoming string before processing, so <CR> = <CRLF>. The number of line terminating <CR> or <LF> characters in the reply message is set using the ‘O’ command. © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 13...
Page 22: Communication Modes
Each sensor delays its response until all sensors with a lower address have replied. Note: The 0:I command returns only the sensor serial number. 14 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 23: Command Syntax
This command polls the devices in the network for a reading. Although used mainly in the addressed mode it can also be used in direct mode. © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 15...
Page 24: G - Get New Reading And Transmit
In direct mode changes between automatic transmission mode (see A command) and transmission of the frequency and voltage. In network mode sends the last complete “measurement cycle” of the transducer as frequency and voltage. 16 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 25: Information Commands
User Zero = <User Zero Y/N><CR> User FS = <User Full-scale Y/N><CR> Sensor SN = <Sensor Serial Number><CR> Internal Checksum = <Checksum><CR> Query: © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 17...
Page 26: General Set-Up Commands
<Transmission interval set>,<Y if Units displayed, N if units not displayed><CR> Query: <SPACE>*A,?<CR> Reply: Interval = <Transmission interval set><CR> Units = <Yes if Units displayed, No if units not displayed><CR> 18 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 27: N - Set Device (Transducer) Address
Note: Increasing the Q speed may, for the next two seconds, cause reading errors or ‘!020 No Frequency’ error message to be returned. © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 19...
Page 28: U - Set Units
Changes the pressure units of the transmitted reading. Query: <SPACE>U,?<CR> Reply: <Unit number><CR> Command: <SPACE>*U<CR> Reply: (Interactive) Current units are <Units> (<unit number>)<CR> 20 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 29: Pin Protected Set-Up Commands
The calibration routine requires two pressures to be applied within the operating extremes and in units of pressure measurement set in the transducer. The software calculates an offset and gain correction to all subsequent readings. © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 21...
Page 30
Apply pressure 2, when stable send: Command: <SPACE>C,<PIN>,2,<CR> Query: <SPACE>C,<PIN>,mode?<CR> Reply: <Measured>,<Applied><Got first point (Yes/No)><CR> Query: <SPACE>*C,?<CR> Reply: “Measured Pressure = <Measured>”<CR> “Applied Pressure = <Applied>”<CR> 22 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 31: H - Change Slope
S value. Command: <SPACE>H,<PIN>,<Pressure><CR> where: <PIN> is the PIN of the transducer. <Pressure> is the new span pressure. Reply: Query: <SPACE>H,?<CR> Reply: <Slope>,<Set-point><CR> © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 23...
Page 32: M - User Message
Transmitted lines must end in CR, received lines end in either CR or LF. b. Transmitted lines must end in CRLF, received lines end in CRCR or CRLF or LFLF or LFCR. 24 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 33
Data Bits = <Char Length><CR> Stop Bits = <Stop Bits><CR> Handshake = <Software Handshaking - Yes/No><CR> Term Chars = <Number of Termination Characters><CR> © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 25...
Page 34: P - Change Pin
<Current PIN> is the PIN of the transducer. <New PIN> is the replacement PIN. Reply: Result: The PIN of the transducer changes to new PIN. 26 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 35: S - Set Offset
The transducer stores the value entered as <Set-point>. The H command also uses this set- point value. To remove the set-point send: Command: <SPACE>S,<PIN>,X<CR> Result: Clears the set-point value. © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 27...
Page 36: Factory Commands - Query Only
K[1][0] = <Coefficient 1,0><CR> … K[5][3] = <Coefficient 5,3><CR> K[5][4] = <Coefficient 5,4><CR> <CR> Frequency Offset (X) = <Frequency Offset> Diode Offset (Y)= <Diode Offset><CR> 28 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 37: T - Analogue/Digital Converter Set-Up
Real number in pressure units. Command: Query: <SPACE>V,?<CR> Reply: <Type>,<Serial Number>,<Sensor Serial Number>,<Style>,<Pressure Unit Number>,<Minimum Pressure>,<Maximum Pressure><CR> Query: <SPACE>*V,?<CR> Reply: Type = <Type><CR> © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 29...
Page 38: W - Eeprom Query
An incorrect command causes the transducer to send an error message related to the command. The form of the error message: Reply: ERROR nn 30 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 39: Transducer Fault
An applied pressure, 5% of span out of the calibrated range, causes: Reply: *Over Pressure* Reply: *Under Pressure* A damaged transducer or no frequency output from the transducer causes: Reply: **** NO RPT **** © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 31...
Page 40
Chapter 4. Programming Guide 32 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 41: Appendix A. Fault Finding
Invalid value entered in response to a Repeat command with valid values in Response prompt normally happens with inactive response to each prompt. commands. © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 33...
Page 42
Check and re-send message. Message middle of a message. !023 Bad Cal Divide by zero error occurred in Check data and repeat calibration. Pres calibration calculation. 34 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 43: Appendix B. Rps Eeprom Format
32 bit IEEE 0090 32 bit IEEE 0094 32 bit IEEE 0098 32 bit IEEE 009C 32 bit IEEE 00A0 32 bit IEEE © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 35...
Page 44
32 bit IEEE 00F0 32 bit IEEE 00F4 32 bit IEEE 00F8 32 bit IEEE 00FC 32 bit IEEE 01FE Checksum 16 bit Integer 36 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 45
The list of available values for 0048 Hex, pressure unit code are shown in Table B-3. Table B-3: Pressure Unit Codes Pressure Code Units Not defined mbar mmHg inHg kgf/cm © 2010 Baker Hughes, a GE company – All rights reserved. 8000/8100/8200 Series Instruction Manual-English | 37...
Page 46
Appendix B. RPS EEPROM Format 38 | 8000/8100/8200 Series Instruction Manual-English © 2010 Baker Hughes, a GE company – All rights reserved.
Page 48
Contact your BHGE representative for the most current information. The Baker Hughes logo is a trade mark of Baker Hughes, a GE company. The GE Monogram is a trademark of the General Electric Company.
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Baker hughes 8100 series
Baker hughes 8200 series
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