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Pico-pH-SUB

 | Manual 

© PyroScience GmbH 

9 

 

Figure 4: Connecting the sensor to the SUB port 

 

2.3

 

External temperature sensor 

The signal of pH sensors is temperature dependent, which can be automatically 
compensated. 

Pico-pH

 offers a high-precision sensor interface, which can be directly 

connected to a Pt100 temperature sensor (not included, item no. 

TSUB21-NC

). The 

temperature sensor has to be soldered to the 4 solder pads at the front of the module. 
The temperature sensor has to be placed into the sample of the pH measurements. 

  

 

Figure 5: Connecting a resistive temperature sensor to the module 

 

Содержание Pico-pH-SUB

Страница 1: ...Version V1 06 www pyroscience com Pico pH SUB OEM Fiber Optic pH Meter MANUAL pH...

Страница 2: ...Optic pH Meter Document Version 1 06 The Pico pH SUB is released by PyroScience GmbH Hubertusstrasse 35 52064 Aachen Germany Phone 49 0 241 5183 2210 Fax 49 0 241 5183 2299 Email info pyroscience com...

Страница 3: ...ng the software Pyro Developer Tool 15 Option 3 Simplified Custom Integration 16 5 1 Configuring the Module using PyroScience Software 16 5 2 Electrical Connector for Custom Integration 16 5 3 Configu...

Страница 4: ...4 5 4 13 WRUM Write User Memory 25 5 4 14 ERRO Response if Error Occurred 26 5 5 Available Implementations of Communication Protocol 27 Option 4 Advanced Custom Integration 28 Technical Drawing 29 Spe...

Страница 5: ...ith optical sensors Option 1 For initial evaluation purposes Pico pH can be operated with the simple and customer friendly logger software Pyro Workbench which is typically used by end users This soft...

Страница 6: ...ng the software the configuration is automatically saved within the internal flash memory of the module The module can then be integrated into a specific setup and your custom software can perform mea...

Страница 7: ...H 2 1 Mounting of fiber connector in the housing The fiber connector can be installed in two ways depending on the housing In thick walled housings the connector can be screwed directly into a threade...

Страница 8: ...ensor signals Before connecting a sensor insert a syringe needle to the bottom of the connector and fill it completely with deionized water Figure 4 Alternatively and mandatory for the optical fiber w...

Страница 9: ...ly compensated Pico pH offers a high precision sensor interface which can be directly connected to a Pt100 temperature sensor not included item no TSUB21 NC The temperature sensor has to be soldered t...

Страница 10: ...emperature sensor the cables should be twisted and kept as short as possible 2 4 Status LED The behavior of the status LED is given in Table 1 Table 1 Status LED Status Description Behavior of status...

Страница 11: ...icense for the comfortable logger software Pyro Workbench and the software Pyro Developer Tool Especially for initial testing purposes this software packages can speed up OEM developments significantl...

Страница 12: ...ware requires an encoded USB interface cable PICO USB for connecting the module to a Windows PC 3 1 Installing the software Pyro Workbench System requirements PC with Windows 7 8 10 and min 1000 MB fr...

Страница 13: ...orrect startup of the module Start the Pyro Workbench software 3 2 Using the software Pyro Workbench Please refer to the Pyro Workbench manual for general operation instructions for the software avail...

Страница 14: ...USB interface cable PICO USB for connecting the module to a Windows PC 4 1 Installing the software Pyro Developer Tool System requirements PC with Windows 7 8 10 and min 1000 MB free disk space Do not...

Страница 15: ...startup of the module Start the Pyro Developer Tool software 4 2 Using the software Pyro Developer Tool Please refer to the Pyro Developer Tool manual for general operation instructions for the softwa...

Страница 16: ...n configured close the PyroScience software The configuration is automatically saved within the internal flash memory This means that the adjusted settings and the last sensor calibration are persiste...

Страница 17: ...ata transmission line of the UART interface 4 GND Power Ground 5 3 Configuration of the Serial Interface Pico pH is operated via a serial interface which is realized as a UART interface at 3 0 V level...

Страница 18: ...e requested task The first part of response consists always of a copy of the original command optionally appended with output parameters and again terminated by a carriage return After a response has...

Страница 19: ...t measurement as a decimal representation of the following bit field The user has to distinguish between warnings and errors A warning indicates that the measurement results are in principle still val...

Страница 20: ...re compensation the sample temperature measurement typ external Pt100 is done before it is then used for compensating the pH measurement IMPORTANT If automatic temperature compensation is enabled for...

Страница 21: ...e interpreted as follows R0 0 No error or warning occurred the measurement is valid tempSample 20 135 C signalIntensity 87 016 mV ambientLight 11 788 mV pH 7 105 5 4 3 CPH Calibrate pH Sensor This com...

Страница 22: ...the configuration of the module In order to keep the calibration permanently even after a power cycle the command SVS must be executed afterwards 5 4 4 SVS Save Configuration Permanently in Flash Mem...

Страница 23: ...tarting at 1 for each firmware version reflects minor firmware revisions which normally do not require a software or firmware update for the user F Bit field about available features as follows Bit 0...

Страница 24: ...that the sensor circuits are automatically powered up again if the module receives any command e g MEA requiring a sensor measurement This is also the case if a broadcast measurement takes place 5 4 9...

Страница 25: ...located in the flash memory and is therefore retained even after power cycles This read command returns N N 1 64 consecutive values Y1 YN from the user memory starting at the user memory address R R 0...

Страница 26: ...wing table Note Warnings and errors directly related to the sensor measurements e g a broken Pt100 temperature sensor or a worn out optical pH sensor will not result in such an ERRO response Instead s...

Страница 27: ...is not supported No baudrate change took place 26 UART Request The command header does not match any of the supported commands 27 UART Start Rx The device was waiting for incoming data however the nex...

Страница 28: ...OPTION 4 ADVANCED CUSTOM INTEGRATION For advanced custom integration the full USB UART communication protocol is available on request allowing custom software full control on all settings calibration...

Страница 29: ...Pico pH SUB Manual PyroScience GmbH 29 TECHNICAL DRAWING The solder pads have 2 54mm pitch...

Страница 30: ...0 A 10 A on request Start up time from power off 1 2 s from deep sleep ca 200 ms Interface UART 3 0V levels 5V tolerant 19200 baud 8 data bit 1 stop bit no parity no handshake Max sample rate1 ca 20 s...

Страница 31: ...located on internal PCB Resolution 0 02 C Accuracy 0 3 C Range 40 to 125 C 1 Note This max sample rate refers only to the limits of the UART communication It does not consider the actual response tim...

Страница 32: ...atment and publication The sensors and the Pico pH SUB are not intended for medical aerospace or military purposes or any safety critical applications The device should be installed and used only by q...

Страница 33: ...Pico pH SUB Manual CONTACT www pyroscience com PyroScience GmbH Hubertusstra e 35 52064 Aachen Deutschland Tel 49 0 241 5183 2210 Fax 49 0 241 5183 2299 info pyroscience com www pyroscience com...

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