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ii | TERPS Instruction Manual–English

Note:

Abbreviations are the same in the singular and plural.

Abbreviation

Description

Absolute

ASCII

American Standard Code for Information Interchange

°C

Degrees Celsius

atm

Atmosphere

bps

Bits per second

cmHg

Centimetre of mercury

COSHH

Control of Substances Hazardous to Health

Carriage return

Direct current

EEPROM

Electrically Erasable Programmable Read Only Memory

EMC

Electro-Magnetic Compatibility

Full-scale

ftH

Feet of water

hPa

Hecto Pascal

Hertz

inH

Inches of water

inHg

Inch of mercury

Kilogram

kg/cm

Kilogram per centimetre squared

kg/m

Kilogram per metre squared

kHz

Kilohertz

kPa

Kilo Pascal

lb/ft

Pounds per foot squared

Line feed

LSB

Least Significant Bit

Milli Ampere

mbar

Millibar

mbar a

Millibar absolute

Metres of water

mHg

Metre of mercury

Millimetre

mmH

Millimetres of water

mmHg

Millimetre of mercury

MPa

Megapascal

MSB

Most Significant Bit

Содержание Druck 8000 Series

Страница 1: ...Druck com 8000 8100 8200 8300 Series Trench Etched Resonant Pressure Sensor Instruction Manual...

Страница 2: ......

Страница 3: ...rocedures and these should be carried out by authorized service agents or the manufacturer s service departments Druck com For technical advice contact the manufacturer Symbols Abbreviations The follo...

Страница 4: ...t EEPROM Electrically Erasable Programmable Read Only Memory EMC Electro Magnetic Compatibility FS Full scale ftH2O Feet of water hPa Hecto Pascal Hz Hertz inH2O Inches of water inHg Inch of mercury k...

Страница 5: ...ppm Parts per million psi Pound per square inch QFE Field elevation QFF Local station pressure reduced to mean sea level QNH Nautical height RF Radio frequency RPT Resonant Pressure Transducer RS 232...

Страница 7: ...Pressure Containment 6 3 4 Power Requirements 6 3 5 Software 6 3 5 1 USB Driver 6 3 5 2 LabVIEW Driver 7 3 5 3 Mobile Application 7 3 6 Maintenance 7 3 6 1 Visual Inspection 7 3 6 2 Cleaning 7 3 6 3 A...

Страница 8: ...eral Set up Commands 17 6 6 1 A Auto send Reading 17 6 6 2 N Set Device Transducer Address 18 6 6 3 Q Set Measurement Speed 19 6 6 4 U Set Units 19 6 7 PIN Protected Set up Commands 20 6 7 1 C User Ca...

Страница 9: ...ons The sensors are divided into two groups a TERPS 8X00 Pressure Sensor The sensor has a model number of the form PS 8 T A C Refer to the appropriate 8000 8100 8200 or 8300 data sheet for technical s...

Страница 10: ...re the pressure of non condensing dry gas The sensor consists of a pressure connector a silicon based micro machined resonant structure directly exposed to the measured gas an electronics module not e...

Страница 11: ...To identify the meaning refer to the product data sheet If the model number is followed by four or eight numbers or refer to the manufacturer s specification drawing E A3 or 4 Serial number 5 Pressur...

Страница 12: ...stallation Before using the equipment remove the plastic rubber protection cap from the pressure connector The 80XX 82XX and 83XX are harsh media isolated product Isolation is achieved by hermetically...

Страница 13: ...be measured is liquid If there are water hammer effects in the system it is recommended to use a sensor complete with a hydraulic shock dampener To reduce the temperature acting on the isolation diap...

Страница 14: ...http www ftdichip com FTDrivers htm Table 1 Media Compatibility Product Pressure Range Media Compatibility 81XX 0 to 3 5 bar 0 to 50 psi Non condensing dry gases compatible with silicon dioxide fluor...

Страница 15: ...case with a damp lint free cloth and mild detergent If the product has been in contact with hazardous or toxic materials obey all the applicable Control of Substances Hazardous to Health COSHH or Mate...

Страница 16: ...immunity from electromagnetic disturbances present on the system power supply the power supply should filter any transient interference from the incoming line and present a clean regulated DC supply...

Страница 17: ...30 kHz to better than 0 05 Hz to allow the sensor to meet quoted specification To make sure the calculated output is correct the measurement device should be regularly calibrated refer to the manufac...

Страница 18: ...be used as a single transducer directly connected to a serial interface It can also be part of a network of devices using the programmed addressing facility 5 2 Applications The sensor may be used as...

Страница 19: ...efer to the sales data sheet Other connectors available refer to manufacturer Figure 4 RS 485 Direct Connection Figure 5 RS 485 Network Connection 5 4 RS 232 Connections Standalone RS 232 electrical c...

Страница 20: ...a fixed number of cycles by the microprocessor Measurement cycles are continuous each cycle delivers new values of frequency and temperature See Section 6 4 on page 15 for instructions on how to read...

Страница 21: ...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 a PIN functions...

Страница 22: ...r using the valid address All devices on the network respond to the address 0 for the G R I and Z commands The reply timing depends on the address of the sensor Each sensor delays its response until a...

Страница 23: ...follows Command SPACE Address Command P1 P2 Pn CR The following example gets the device at address 1 to transmit pressure Command SPACE 1 R CR 6 4 Measurement Commands 6 4 1 R Get Reading This command...

Страница 24: ...e is proportional to the temperature sensed by the diode Command SPACE Z CR Reply Frequency Diode voltage CR Command SPACE Z CR Reply Frequency Hz Diode voltage mV CR In direct mode changes between au...

Страница 25: ...n a 6 6 General Set up Commands 6 6 1 A Auto send Reading This command sets the interval between each transmission The interval can be to one decimal place i e 1 5 seconds Entering a negative number...

Страница 26: ...sducer A valid address is a number between 0 and 32 Setting the address to zero causes the transducer to go into direct mode All other address settings cause the transducer to go into network mode Thi...

Страница 27: ...CR Reply Measurement Speed CR Query SPACE Q CR Reply Measurement Speed Measurement Speed CR 6 6 4 U Set Units This command sets the units of pressure measurement Command SPACE U Unit number CR Reply...

Страница 28: ...xtremes and in units of pressure measurement set in the transducer The software calculates an offset and gain correction to all subsequent readings Command SPACE C CR or SPACE C CR Reply Interactive R...

Страница 29: ...ssure 1 when stable send Command SPACE C PIN 1 CR Note Sending C PIN 1 CR causes the current stored data for pressure 1 to be sent Apply pressure 2 when stable send Command SPACE C PIN 2 CR Query SPAC...

Страница 30: ...ry SPACE H CR Reply Slope Slope CR Set At Set point Units CR Where the slope is a gradient and set point is the reading value entered for an applied pressure 6 7 3 M User Message This command sets a u...

Страница 31: ...ngth Stop Bits Software Handshaking Number of Termination Characters CR Reply n a Command SPACE O PIN Baud Rate Parity Character Length Stop Bits Software Handshaking Number of Termination Characters...

Страница 32: ...Y N Enter Y or N Reply Number of termination characters 1 CR 2 CRLF Enter number of termination characters Reply Accept these values Y N Enter Y or N Y answered EEPROM updated CR N answered Current se...

Страница 33: ...set Units CR Set At Set point Units CR 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 Cl...

Страница 34: ...fset Diode Offset Calibration Date CR Query SPACE L CR Reply K 0 0 Coefficient 0 0 CR K 0 1 Coefficient 0 1 CR K 0 2 Coefficient 0 2 CR K 0 3 Coefficient 0 3 CR K 0 4 Coefficient 0 4 CR K 1 0 Coeffici...

Страница 35: ...or Serial Number CR Style Style CR Minimum Pressure Minimum Pressure Pressure Units CR Maximum Pressure Maximum Pressure Pressure Units CR 6 8 5 W EEPROM Query This direct mode only command queries th...

Страница 36: ...ommand In a command string the transducer accepts correct commands and rejects incorrect commands An incorrect command causes the transducer to send an error message related to the command The form of...

Страница 37: ...nge value 012 Bad BUS Cmd Command sent to transducer in Network mode Send this command with transducer in Direct mode 013 Cal Error Corrupt calibration data detected transducer pressure measurement un...

Страница 38: ...um Power cycle sensor if fault remains return to Druck for repair or replacement 022 Bad Message Erroneous character detected in the middle of a message Check and re send message 023 Bad Cal Pres Divi...

Страница 39: ...t Integer 45 002D 1 Month of calibration mm 8 bit Integer 46 002E 1 Year of calibration yy 8 bit Integer 52 0034 4 Customer Offset term 0 32 bit IEEE 56 0038 4 Customer Gain term 1 32 bit IEEE 64 0040...

Страница 40: ...1 32 bit IEEE 224 00E0 4 K42 32 bit IEEE 228 00E4 4 K43 32 bit IEEE 232 00E8 4 K44 32 bit IEEE 236 00EC 4 K50 32 bit IEEE 240 00F0 4 K51 32 bit IEEE 244 00F4 4 K52 32 bit IEEE 248 00F8 4 K53 32 bit IE...

Страница 41: ...the value zero c The check sum is calculated so that addition of all locations between 0 and 01FF Hex will sum to 1234 Hex The list of available values for 0048 Hex pressure unit code are shown in Ta...

Страница 43: ......

Страница 44: ...kerhughes com Bangalore 91 9986024426 aneesh madhav bakerhughes com Milan 39 02 36 04 28 42 csd italia bakerhughes com Japan Netherlands Russia Tokyo 81 3 6890 4538 gesitj bakerhughes com Hoevelaken 3...

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