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DIGITAL TRANSDUCER TESTER & PC-INTERFACE (AVA-03) 

14-FEB-2022 

PAGE 7 OF 

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© Avanti Elektronik Limited  -  (44) 01224-583132  -  www.avanti.clara.net  -  [email protected]                  dqdtst_32.docx 
 

 

 

GET A CALCULATED PRESSURE READING (PSI OR BAR) 

PC SENDS 

TESTER 
RESPONDS 

DESCRIPTION 

BYTES  EXAMPLE 

 

Pressure request (lower 
case p) 

 

Echo 

       p 

A...D 

 

Transducer address 

 

A...D 

Echo 

       A 

<CR> (0x0D) 

 

Carriage return 

<CR> 

 

<  > (0x20) 

Space 

       <  > 

 

0.000 ... 
99999.999 

Pressure in psi or bar as a 
5.3 floating point number 

1234.567 

 

<CR> (0x0D) 

Carriage return 

       <CR> 

 

<LF> (0x0A) 

Line Feed 

       <LF> 

 
 
 

GET A CALCULATED TEMPERATURE READING (°C OR °F) 

PC SENDS 

TESTER 
RESPONDS 

DESCRIPTION 

BYTES  EXAMPLE 

 

Temperature request 
(lower case t) 

 

Echo 

       t 

A...D 

 

Transducer address 

 

A...D 

Echo 

       A 

<CR> (0x0D) 

 

Carriage return 

<CR> 

 

<  > (0x20) 

Space 

       <  > 

 

0.000 ... 
99999.999 

Temperature in °C or °F as 
a 5.3 floating point number 

123.456 

 

<CR> (0x0D) 

Carriage return 

       <CR> 

 

<LF> (0x0A) 

Line Feed 

       <LF> 

 

Summary of Contents for AVA-03

Page 1: ...ARE DESCRIPTION The AVA 03 I C Transducer Tester is housed in an aluminium enclosure measuring 168 x 103 x 56mm Transducer Socket Pinout Pin 1 A1 Pin 2 SCL Pin 3 GND Pin 4 SDA Pin 5 5V Pin 6 A2 Pin 7...

Page 2: ...be higher than the battery voltage in order to prevent the battery from inadvertently sourcing current Current consumption is approximately 5mA when the backlight is off and approximately 125mA when...

Page 3: ...0B61 A RAW T 0x01C71C72 3 Raw Values PF 20000 000 Hz A TF 50000 000 Hz 4 Equivalent Frequencies P 11111 222 psi A T 111 222 degC 5 Calculated P T Values A2A1 01 XDUCER B SN 000456 14 02 2022 6 Status...

Page 4: ...ansducers together see paragraph 6 2 12 BAR DEGF DUAL P Absolute pressure is displayed in bar and temperature in F Initial screen shows pressure values of 2 transducers together see paragraph 6 2 Once...

Page 5: ...psi B 10 Dual pressure screen again P1 is allocated to the transducer with the lowest I C address and P2 to the transducer with the second lowest I C address If more than two transducers are connecte...

Page 6: ...er Tester to output a list of all implemented RS232 commands plus the FPGA identifier and status of all connected transducers GET A RAW PRESSURE READING COUNTS PC SENDS TESTER RESPONDS DESCRIPTION BYT...

Page 7: ...Echo 1 A CR 0x0D Carriage return 1 CR 0x20 Space 1 0 000 99999 999 Pressure in psi or bar as a 5 3 floating point number 9 1234 567 CR 0x0D Carriage return 1 CR LF 0x0A Line Feed 1 LF GET A CALCULATED...

Page 8: ...Read EEPROM request 1 R R Echo 1 R A D Transducer address 1 A A D Echo 1 A 0000 1FFF Start address 4 0100 0000 1FFF Echo 4 0100 00 FF Number of bytes to read 00 256 2 0A 00 FF Echo 2 0A CR 0x0D Carria...

Page 9: ...K or NO Result of operation 2 OK 0x20 Space 1 0000 FFFF Checksum over all data bytes 4 0171 CR 0x0D Carriage return 1 CR LF 0x0A Line feed 1 LF SET SERIAL NUMBER AND CALIBRATION DATE PC SENDS TESTER R...

Page 10: ...zdyne in Jan 2010 START CONTINUOUS OUTPUT MODE PC SENDS TESTER RESPONDS DESCRIPTION BYTES EXAMPLE CM Continuous Mode request 2 CM CM Echo 2 CM CR 0x0D Carriage return 1 CR CR 0x0D Echo 1 CR LF 0x0A Li...

Page 11: ...charting functions are required there is a low cost 3rd party software available that runs on Windows PCs see www windmill co uk Windmill 7 data logging software includes a user configurable parser th...

Page 12: ...e at http www quartzdyne com The following documents are of particular interest DigitalTransSpec pdf Digital Quartz Pressure Transducer Specifications DigitalTransProg pdf Digital Transducer Programmi...

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