AT GP2, User Manual

Page 1: ...GP2 Data Logger and Controller Research gradeloggercontroller capableof complexcalculated measurementsandadvancedfeed backcontrol User Manual version 3 0 Delta T Devices Ltd ...

Page 2: ...ATA 11 DATASET IMPORT WIZARD 11 APPENDIX 1 GP2 RELAY EXPANSION MODULE 12 APPENDIX 2 GP2 NETWORK CABLING 16 APPENDIX 3 CABLE EXPANSION LID 20 APPENDIX 4 WS CAN CANOPY 21 APPENDIX 5 DL MKT UNIVERSAL DATA LOGGER MOUNTING KIT 22 APPENDIX 6 M ENCL B2 ENCLOSURE WITH MODEM GATEWAY TO DELTALINK CLOUD 22 APPENDIX 7 MAKE SURE THE GP2 IS PROPERLY SEALED 24 GP2 SPECIFICATIONS 25 PRODUCT CARE AND MAINTENANCE 3...

Page 3: ...th 5 cable glands for 3 to 10 mm dia cables Page 20 8 way M12 analogue signal extension cables EXT 8W xx where xx 5 10 or 25m Page 16 5 way M12 serial communication power extension cables EXT 5W xx where xx 1 5 10 or 25m Page 16 GP2 NTP 3 way network T Piece for connection to EXT 5W xx cables Page 16 GP2 NPC Network Power Cable to supply power via a GP2 NTP and or EXT 5W xx cable Page 16 GP2 USB U...

Page 4: ...n a programming language or typing out any commands New measurements can be created mathematically along with complex control algorithms using algebraic and trigonometric functions and conditional logic with easily created sequences of instructions You can create and manipulate your own variables for e g disease risk factor integral error days since soil moisture below a threshold etc Thresholds c...

Page 5: ...s PR2 PR2 1 2 3 4 5 6 8 10 12 7 11 9 12V 5V 9 cable glands for 3 6mm dia sensor cables with sealing bungs Signal input terminals for analogue channels 7 12 power terminals for each sensor from Power Bank B M12 connector for joint serial comms external power cable Signal input terminals for analogue channels 1 6 power terminals for each sensor from Power Bank A SDI 12 ...

Page 6: ...four LED flashes occur to initiate a cold reset This restores the factory set default program and deletes all data including any program which you may have added Analogue Channel Considerations The differential analogue channels accept signals nominally 0 to 2 5V with a full signal range of 1 4 to 2 7V The input range of custom sensor types can be set to auto range or to fixed ranges Ensure each v...

Page 7: ...aset Import Wizard 1 Obtain DeltaLINK 3 from http www delta t co uk 2 Select Install DeltaLINK and follow the on screen instructions 3 Setup creates a desktop shortcut to DeltaLINK and puts a Firmware Upgrade program a GP2 Calibration Certificate Generation program and a Document Library folder in the DeltaLINK 3 program group 4 Install USB drivers for the cable See https www ftdichip com Drivers ...

Page 8: ...gressive development of a soil moisture sensor program followed by its use to control soil moisture using an irrigation control relay Run DeltaLINK at the same time and see if you can reproduce the instructions along with the instructor Sensor Wiring Instructions Wiring installation and programming notes are provided for all sensors in the GP2 sensor library This information appears in the Info Pa...

Page 9: ...LINK connected to your GP2 see above or to the GP2 Simulator see below 1 Select Program 2 Select Change 3 Click on Click to add new item under Measurement 4 Select Temperature or any other option from the list 5 Select 2K Thermistor or any other option 6 Select Apply to send the program to your GP2 or the simulator 6 1 2 3 4 5 ...

Page 10: ...data select Logger Stop then Delete Records The GP2 Simulator This simulates the weather and its effect on a variety of sensors Before sending a program to your logger try it out on the Simulator You can speed up time in the simulator to check the behaviour of your program Restart the simulator and it will recreate the same weather as before from the same date This lets you see the effect of chang...

Page 11: ...fresh if required 2 Select File Save to save the data to a dataset file on your PC 3 Select File Open to open and view a previously saved dataset file 4 Select File Save As to change the file to a csv format for opening in Excel or use the Dataset Import Wizard see below Dataset Import Wizard This helps import logged data files into MS Excel spreadsheets To Install Dataset Import Wizard 1 Download...

Page 12: ...current using a resettable fuse that will activate at 1A The relays can handle up to 24V AC or 32V DC The relay expansion module fits onto the EXPANSION BOARD position on the GP2 PCB as shown below Fitting Instructions Warning use anti static procedures when handling the relay expansion module 1 Screw in the 4 hex stand off pillars provided into the 4 positions on the GP2 PCB 2 Push the relay expa...

Page 13: ...T CONNECT 110V or 240V MAINS POWER TO THE RELAY How to Control the Relays To instruct the relays to switch on or off you need to set up suitable control conditions which meet your requirements This is done using the DeltaLINK program For more information on how to do this please refer to the DeltaLINK online help You may also find the video tutorials helpful RELAY 6 RELAY 4 RELAY 3 ...

Page 14: ...m the selected power supply into the relay of choice Do not use the Pwr and Ret routing options on the board Relay terminals applicable to relays 1 6 Pwr Not used A Connect to power supply positive output B Connect to pump positive wire Ret Not used Connect the pump negative wire directly to the power supply negative terminal DO NOT CONNECT 110V or 240V MAINS POWER TO THE RELAY Figure A1 Example w...

Page 15: ...e ive terminal on the power supply Ret Connect to the ive terminal on the power supply Relay terminals applicable to relays 1 6 Pwr Link to the A terminal next to it e g 4A A As above linked to Pwr B Connect to pump ive wire Ret Connect to pump ive wire Figure A2 Switching in a solenoid valve using a common power supply through relay number 4 Figure A3 Switching in a solenoid valve using a common ...

Page 16: ...pendix 2 GP2 Network Cabling Figure A4 A network of 7 GP2 loggers connected to a PC via a total 100m of EXT 5w xx extension cables and seven M12 5 way T Piece connectors This is the maximum number of loggers and maximum cable length supported ...

Page 17: ...rnal battery The GP2 network serial communication and power cable should not exceed 3A or 15V DC Lead acid batteries must have a 2 5A in line fuse in series with the ve wire to protect the network cabling Do not charge any external battery including one in the modem box via any extension cables These warnings apply to all GP2 and GP1 network cabling systems GP2 USB GP2 RS232 GP2 NPT GP1 cabling ne...

Page 18: ...ctions dialog click Add to pop up the Connection Properties dialog See Figure A6 Figure A6 Connections Properties 4 In Connect to logger using select the communication method e g Serial 5 Select the Details tab and enter connection details e g COM3 See also How to Find your COM Port on page 19 6 Select the Connection tab tick the Networked check box and enter the serial number of the GP2 that you ...

Page 19: ...d to a PC on COM Port 3 How to find your USB COM port See also How do I set up my USB to RS232 converter at https www delta t co uk product gp2 support 2 5 6 7 USB cable found on COM8 8 Click to connect to any logger on COM8 3 1 4 Click to create a new connection Start here Disconnect USB cable Reconnect USB cable Click to detect USB port ...

Page 20: ... two holes See also Appendix 7 Make sure the GP2 is properly sealed on page 24 For larger cables separate the inner and outer sleeves and use only the outer sleeve When using the twin hole insert ensure both holes are used if using only one cable then a blanking plug or similar must be put into the other hole Failure to do this will mean the enclosure is not sealed and may damage the insert Outer ...

Page 21: ...Appendix 4 WS CAN Canopy Page 21 Appendix 4 WS CAN Canopy Parts Assembly DL2e Logger GP2 Logger ...

Page 22: ...t Appendix 5 DL MKT Universal Data Logger Mounting Kit The Universal Mounting Kit is a 2mm thick flat stainless steel plate with U bolts suitable for attaching to a 42 mm 1 inch diameter vertical pipe or post and with nuts and bolts for GP2 GP1 and DL6 loggers ...

Page 23: ...rd Side opening door with twin locks Gland plate with 12 cable glands Two inch dia pole mounting brackets 2 off Trunking for tidy cable routing Earthed back plate and strap Detail showing an M ENCL B2 Enclosure with additional options installed top left Modem Gateway type MD 3G DLC bottom left a solar charger regulator which along with a 30W solar panel and cabling forms a SOL4 KIT2 and bottom rig...

Page 24: ...able gland looks intact and clean Make sure the rubber seal hasn t pealed back on itself when a cable was inserted Ensure unused cable glands have a blanking plug fitted Tighten cable glands onto the cable not onto heat shrink Tighten the cable glands as hard as you can by hand or use a torque wrench set to 0 7 nm A cable coming out of a GP2 with bare wires exposed or a break in the insulation can...

Page 25: ...ction All terminals protected to 15VDC 24VAC including battery reverse polarity Regulatory compliance Surge tested IEC61000 4 5 PASS A ESD tested IEC61000 4 2 PASS A EMC tested IEC61000 4 3 PASS A CE Compliant FCC Compliant Environmental Operating 20 to 60 C Enclosure Fitted with cable glands IP65 Data storage 4 MBytes FLASH memory Storage capacity compressed 2 5 million values typical Autowrap op...

Page 26: ...ing time Optional 1 to 200 ms for high value resistance measurements Reading duration Per analogue measurement 6ms built in settling time 2ms if open circuit detection enabled optional settling time 20ms or 16 67ms depending on mains filter frequency additional 20 or 16 67ms if 2nd auto range cycle required Plus per program execution cycle 20 ms startup 2 to 8 self calibration cycles of 11ms depen...

Page 27: ... 0 059 0 63Ω 0 184 0 93Ω 0 3 Ω 1KΩ 0 091 0 42Ω 0 229 0 28Ω 0 2 Ω Resistance 2 wire 135KΩ 0 045 15 4Ω 0 109 22 9Ω 1 6 Ω 9KΩ 0 052 11 8Ω 0 155 17 4Ω 0 3 Ω Bridge 62mV V 0 037 20µV V 0 077 48µV V 2 µV V 7 5mV V 0 053 15µV V 0 100 41µV V 1 5 µV V Potentiometer 0 to 1 0 036 0 00015 0 057 0 00017 36 µV or 0 00002 Thermistor 3 wire 10K 20 to 60 C 0 04 C 0 08 C 0 01 C 2K 20 to 60 C 0 05 C 0 09 C 0 01 C Th...

Page 28: ...e Relay Outputs Relay channels 2 plus 4 with optional relay expansion card Type Latching single pole single throw Rating 24VAC 32VDC 1A thermal fuse overload protection Functions Alarm control scripts or switching power to sensors Other Dimensions 225 x 185 x 75 mm Standard lid no cables Weight 1 kg Standard lid No packaging No relay PCB Package contents GP2 logger with lid Dessicant and dessicant...

Page 29: ...hutdown to self preservation mode 4 1 V analogue readings fail User defined minimum power for analogue measurements powered via PWR Bank A or B below Measurements invalidated if requirement not met Sensor Power and Warm up Specifications Any of the sources below can be selected for powering sensors Power is switched when required either immediately before a measurement or with 1s to 60s warm up du...

Page 30: ...d data export as text file Caching to optimize download times of large datasets Program editor Multifunction GP2 program editor displays the logging program with point and click programming interface GP2 loggers only Online help Detailed context sensitive Help and reference GP2 simulator This can simulate a GP2 which is logging Delta T sensors and operating irrigation valves in a mid latitude mari...

Page 31: ...on notes created with built in HTML editor Recordings Individual readings statistics total integral wind including direction and vector average gust wind roses conditional Controls Relay switching controlled by independent Activate and Rest conditions safety conditions limit duration of Active and Rest periods with optional additional recording while Active and optional pulsing Conditions expresse...

Page 32: ... on the context Simulator Specifications The simulator assists the development of logging and control programs simulating a temperate maritime climate at a latitude of 51 degrees North such as that in the UK Soil water nutrient and heat fluxes are simulated Soil moisture is lost by drainage and by surface evaporation and evapotranspiration from a spring sown crop harvested in the autumn Water upta...

Page 33: ...dix 7 Make sure the GP2 is properly sealed on page 24 The Service Kit GP2 SER contains desiccant a replacement battery holder spare M8 connector cover cap lanyard and spare sealing bungs GP2 Calibration Certificate To see your current calibration certificate Connect your PC to your GP2 Select Windows Start menu icon All Programs Delta T Devices DeltaLINK 3 menu and run GP2 Calibration Certificate ...

Page 34: ...23 Digital Input Specifications 28 DL MKT 3 DL MKT Universal Data Logger Mounting Kit 22 E Event Channels 6 Expansion Lid 20 EXT 5W xx 3 EXT 8W xx 3 F Firmware Upgrade 7 G GP2 Program Specifications 31 GP2 Relay Expansion Module 12 GP2 Simulator 9 GP2 G5 LID 3 20 GP2 NPC 3 GP2 NTP 3 GP2 RLY 3 GP2 RS232 3 GP2 USB 3 H Help 8 I Import Dataset s 11 Individual reading 10 Info Panel 10 Install 7 L Legal...

Page 35: ...n module 4 Relay Expansion Module 7 Relay Outputs 28 Relay Wiring 14 Retrieve 11 RS232 3 S Script Editor Specifications 32 sensor reading rate 4 Sensor Power and Warm up Specifications 29 Sensors tab 10 serial 3 serial input 4 simulator 4 32 Simulator 10 Specifications 25 Status LED 6 T T Piece 3 tutorials 4 U USB 3 V variables 4 Video Tutorials 8 W WET sensor 4 7 Wiring Instructions 8 WS CAN 3 WS...