The GP2 Data Logger - Lombard & Marozzini
Contents
1. GP2 Data Logger and controller Delta T Devices The GP2 is a powerful weatherproof research grade data logger with unique features for recording and controlling field experiments e 12 differential channels e High performance microvolt sensitivity e Easy set up e Flexible configuration e Versatile communication options e Flexible control outputs e Excellent analog accuracy i ei e Powerful Script Editor a f 4 K e Virtual channels e Unique program Simulator e Data visualisation Applications e Demanding research projects e Environmental monitoring Ee oe ee e Irrigation control S e PID control applications Delta T Devices The GP2 Data Logger The GP2 provides a versatile solution for both simple and complex recording and control applications For many applications the GP2 is quicker and simpler to set up and install than competitive systems while still providing full access to a rich set of advanced features The relay outputs can control experiments and applications with exceptional sophistication using the Script Editor The GP2 has unique reliability built on Delta T s 25 years experience in designing and manufacturing data loggers Ease of use Simple point and click software makes it easy to configure channel set up and recording intervals The menus that support the advanced customisation options can be displayed or hidden as required Sensor con2. 16 90 0 13 21 60 0 21 0 30 0 20 0 50 0 15 5 20 2k 20 to 60 C 10k 20 to 60 C 0 20 0 20 3 wire resistance measurements Common mode range 3V to 2 5V Common mode rejection ratio gt 70cB For more detailed accuracy specifications see the User Manual lt 0 01 C lt 0 01 C Control 2 Relay outputs expandable to 6 with Relay Expansion Module e Latching SPST relays rated 1A 24V AC 32V DC for powering sensors controlling external equipment or providing alarms Software DeltaLINK 3 0 provides full GP2 status display program editor with detailed context sensitive help data download and chart table display real time sensor readings integrated Script Editor and program simulator video tutorials supplied free and available for download try it now at www delta t co uk Sensor library standard library includes all supplied sensors extensible to custom types with built in editor Relay control relay switching controlled by simple thresholds complex condition expressions or fully customisable scripts evaluated at defined repeat rates or at digital events or manually Control parameters and targets can be optionally configured as program settings and adjusted without interrupting logging Simulator check complex programs control scripts and recording formats before logging deployment using realistic measurement simulations available for all standard sensor library types Lombard
3. amp Marozzini strumentazione e sistemi per l industria e la ricerca Via A Albricci 9 00135 Roma Tel 06 36301456 www lombardemarozzini com Hardware and System Internal power 6x AA alkaline cells typically sufficient for 300k readings External power 10 to 15V DC 2A via screw terminals or network cabling Sleep current lt 60A typical 30A for each digital input held low Wake current lt 10mA any current supplied to sensors Communications RS 232 serial 115 2kBaud Networking Up to 7 GP2s on 100m of network cabling Environmental Operating temperature 20 to 60 C weatherproof case IP65 with desiccant and humidity indicator EMC conformity Tested to comply with EN 50081 1 and EN 50082 1 1992 harmonised emissions and immunity standards Size Weight 225 x 185 x 75mm 1 0kg base configuration For further technical specifications see the User Manual
4. options Individual readings statistics total integral wind direction vector average gust wind roses conditional recording Readings converted into engineering units using look up tables polynomial or linear conversion Recording rate 1 second to gt 24hrs independently programmable for each channel Sampling rate typically gt 16 channels per second Calculated measurements Unlimited user configured virtual channels calculated from measurements using algebraic and trigonometric functions Reading storage 4 Mbytes of FLASH memory storing 2 5 million readings typical exported as text file with caching for large datasets Input Ranges at 25 C 20 to 60 C Single ended voltage measurements are susceptible to additional offset errors due to current flowing in the signal 2 5uV ground Selectable adaptive auto ranging fixed range Cold junction temperature is measured at isothermal Thermocouple Oto 70 C 0 39 C 0 79 C 0 05 C terminals response lt 0 1 C C hour 7 5mvV V 62mvV V 0 042 3uV V Bridge sensors 0 038 6uV V 0 090 11uV V 0 081 16uV V 1 5uV V mV per 1V excitation 2uV V Resistance 2 wire Long term stability 0 02 worst case over 1 year Noise figures quoted are rms values Input impedance 0 8 to 3 8GQ 0 056 120 0 052 120 0 041 160 0 064 0 30 0 060 0 40 0 048 4 20 0 05 C 0 04 C 0 18 16 70 0 17
5. increased from 2 to 6 using the optional Relay Expansion Module Up to 7 GP2 Data Loggers can be networked to allow the construction of complex monitoring and control systems Storage communication amp power 4 Mbytes of FLASH memory enable storage of 2 5 million readings typical Data can be collected by laptop locally via USB RS232 or remotely using the GSM modem options The GP2 has 6 alkaline AA internal batteries as standard An optional mains power adapter is available type GP2 PSU Up to 7 GP2s can share power and communications using an M12 cabling network see Ordering Information below For external battery power options please enquire at sales delta t co uk New connection DeltaLINK Logger File Edit View Help Refresh Help E Logger amp Sensors E Dataset Program Radin BE H a 3 a X TemperatureDailyAverage Jai X so i 3 a g gt S D O Oo x ET Abtew ETM 2 uiness Bordne k ET Hargreaves S ET Turc x ET McCloud 15 05 201 16 08 2013 11 2013 06 11 2014 05 05 2015 01 11 2015 29 04 2016 00 00 0q 00 00 00 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 i 10 05 2014 00 00 00 a Connection Details New connection Any logger on GP2Simul Running the GP2 Simulator gives years of data displayed almost instantly Ordering Information GP2 Data Logger Advanced data logger and con
6. nections are laid out logically with clear easy to follow diagrams and notes The GP2 s weatherproof case battery power and convenient accessories make it very easy to install in the field often without the need for a secondary enclosure Sensors e 12 differential or 24 single ended analog inputs configurable as Voltage Resistance 2 wire or 3 wire Bridge Potentiometer Thermistor 3 wire e 4 digital inputs as Counters 2 fast 2 slow Frequency Digital state e 1 Delta T WET sensor channel e Unlimited virtual channels GP2 with ML3 ThetaProbe GP2 with PR2 Sensors A gt p Pa O x a Oo _ O Flexibility and customisation The GP2 s analog inputs can be fully customised Each channel can have its own input type and recording parameters DeltaLINK software gives the user control over reading frequency thresholds and units and provides recording options for average min and max plus specialised wind options including wind rose gusts and wind averaging Users can add their own custom sensor types to the sensor library exploiting the GP2 s detailed configuration options The GP2 provides 4 input ranges down to microvolt resolution with adaptive auto ranging excellent analog accuracy and configurable sensor excitation enabling it to support nearly all analog sensors Calculations based on the measurements from several input channels can be recorded and dis
7. odems in weatherproof enclosures are available Delta T offers a range of weather stations including systems based on the GP2 Data Logger Please visit www delta t co uk for details Advanced Logger and Controller Specifications Analog Channels 12 differential inputs configurable as a combination of Differential voltage channels 12 max Single ended voltages common ground 24 max 2 wire resistances 24 max 3 wire resistances 12 max Bridge amp potentiometric sensors 12 max J J e J e e Temperature sensors 12 max 2 wire thermistors 24 max Temperature sensors e Thermistors types 2k and 10k e Thermocouples types J K and T Digital Channels 4 digital inputs configurable as a combination of e Fast counters or frequency 30 kHz 2 max e Slow counters or frequency 100Hz 2 max e Digital state logic level open collector switch closure 4 max WET Sensor 1 serial input providing e Water content bulk pore conductivity and temperature Analog Channels Voltage m oF 185mV 1 4 to 1 5V 0 17 to 2 7V a 10V Differential 0 013 12uV or Single ended 0 007 87V 0 084 24uV 0 075 28uV 0 043 122uV Input protection All input terminals protected to 15V DC or 24V AC continuous including battery reverse polarity Sensor excitation Calibrated 3V reference 5V and 12V stabilised or 5 to 10 5V battery or external power user selectable Recording
8. played as additional virtual channels calculated measurements Control Control conditions for experiments and applications can range from simple thresholding to sophisticated calculations using the Script Editor e g irrigation control PID control seasonality etc Control parameters e g target soil moisture level can be adjusted throughout an experiment without interrupting data logging See Advanced Features on page opposite for further details Dependable quality The GP2 is a research grade data logger designed and manufactured to be rugged sealed amp completely dependable Its program editor has built in error checking and enables the full logger configuration including advanced features to be road tested before activation Sensor integrity set up and connections can also be checked before or during logging by viewing real time measurements Fault tolerance is provided by intelligent Statistics rejecting erroneous sensor measurements and safety conditions upper and lower limits on active and rest periods The relay outputs can be configured as intelligent alarm outputs and LEDs on the front panel provide a quick visual reassurance that logging is proceeding ok Expansion A range of expansion lids is available with additional cable entry points and configurations including dedicated Profile Probe connectors or wider diameter cable entry glands The number of programmable control relay outputs can be
9. tor interface is easy to use no programming language is involved Virtual Channels Data can be processed to obtain max min sum etc and the results logged to a virtual channel Calculations can be made using any channel combination Calculated measurements also allow implementation of custom formula including trig function normal math function and more Simulator This unique software feature allows logging programs to be tested before real world activation For applications involving weather data irrigation or soil moisture recording the environmental variables can be changed to test how the program responds Years of logging time can be simulated in just a few minutes Network T Piece type GP2 NTP Enables GP2 Data Logger to use M12 network cabling Connects to EXT 5W xx M12 cables and to GP2 USB cable Mains Power Supply type GP2 PSU For GP2 Data Logger Input 100 240V AC 50 60Hz Output 2 5A 12V via screw terminals requires minimum 2A 2 core wire Must be protected from weather Suitable for powering GP2 directly or via GP2 NPC Network Power Cable Requires correct IEC mains lead type PC UK PC EU PC US PC IN or PC CN Mains lead national plug to IEC connector types PC UK PC EU PC US PC IN PC CN Connects to GP2 PSU and LBC4 Service Pack type GP2 SER Contains battery holder cable gland bungs and a selection of other spares Universal Mounting Kit type DL MKT Suitable for GP1 GP2 and DL6 GSM m
10. troller with 12 analog 4 event and 2 relay channels plus 1 WET Sensor channel Includes DeltaLINK PC Software USB cable Quick Start Guide and Software and Manuals Disk Expansion Lid with 5 cable glands type GP2 G5 LID GP2 lid with 5 general purpose cable glands Each gland accepts either a single cable of 3mm to 10mm diam or 2 cables of 4 5mm to 3mm diam using gland insert Expansion Lid with 2 Profile Probe connectors type GP2 P2 LID GP2 lid with 2 sockets for connection to Profile Probe cables PRC M12 05 Relay Expansion Module type GP2 RLY Provides 4 extra relay outputs Increases number of relay channels from 2 to 6 GP2 Network Power Cable type GP2 NPC For use with GP2 NTP Network T Piece Connects to EXT SW xx cables to provide power and communications to one or more GP2 Loggers GP2 Data Logger Advanced features The GP2 is a flexible and powerful research and control tool enabling model implementation simulation and evaluation The new Script Editor is easy to use yet allows the creation of complex functions such as disease prediction degree days dew point wind chill factor PID control and evapotranspiration calculation and analysis Script Editor This powerful software feature creates step by step operations to control simple or complex processes or recording requirements The degree of sophistication it offers means the potential applications are numerous and varied The edi
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