Version V1.06
www.pyroscience.com
Pico
-pH-SUB
OEM Fiber-Optic pH Meter
MANUAL
pH
Page 1: ...Version V1 06 www pyroscience com Pico pH SUB OEM Fiber Optic pH Meter MANUAL pH...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 29: ...Pico pH SUB Manual PyroScience GmbH 29 TECHNICAL DRAWING The solder pads have 2 54mm pitch...
Page 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...
Page 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...
Page 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...
Page 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...
