PicoLog 1000 Series User's Guide
Contents
1. especially laptops is not grounded reading stability cannot be guaranteed and it may be necessary to manually ground the equipment As with most oscilloscopes and data loggers you should take care to avoid connecting the inputs of the unit to any equipment which may be at an unsuitable voltage If in doubt use a voltmeter to check that there is no hazardous AC or DC voltage Failure to check may cause damage to the product and or computer and could cause injury to yourself or others You should assume that the product does not have a protective safety earth Incorrect configuration and or use on voltages outside the maximum input range can be hazardous Cleaning The unit may be cleaned externally using a cloth dampened slightly with water Do not use any other solvents or abrasive cleaning materials Repairs The unit contains no user serviceable parts Repair or calibration of the unit requires specialised test equipment and may be performed only by Pico Technology or its authorised distributors pl1000 en Copyright 2009 Pico Technology Ltd All rights reserved PicoLog 1000 Series User s Guide 3 1 3 Legal information The material contained in this release is licensed not sold Pico Technology grants a licence to the person who installs this software subject to the conditions listed below Access The licensee agrees to allow access to this software only to persons who have been informed of these conditions a2. manual describes the physical properties of the loggers The following PicoLog 1000 Series Data Loggers are available Version Resolution Channels PicoLog 1012 10 bits 12 PicoLog 1216 12 bits 16 These devices are designed for use with the PicoLog data logging software and the PicoScope oscilloscope software You can also use the PicoLog API ci to develop your own programs to collect and analyse data See the PicoLog 1 ri Programmer s Guide for details of the API Copyright 2009 Pico Technology Ltd All rights reserved pl1000 en Introduction 1 2 Safety warning We strongly recommend that you read the general safety information below before using your product for the first time If the equipment is not used in the manner specified then the protection provided may be impaired This could result in damage to your computer and injury to yourself or others Maximum input range The inputs of the PicoLog 1000 Series loggers are protected against overvoltages up to 30 V Input voltages beyond this range may cause permanent damage to the unit Mains voltages Pico products are not designed for use with mains voltages To measure mains we recommend the use of a differential isolating probe specifically designed for such measurements Safety grounding The ground of every unit is connected directly to the ground of your computer via the interconnecting cable provided This is done to minimise interference If the PC
3. that divide the input voltage to each channel by a known ratio thereby expanding the measuring range by the same ratio For example if you divide the input voltage by 4 then the effective input range of the Data Logger is increased from 2 5 V to 10 V on that channel 1 5 Company details Address Pico Technology James House Colmworth Business Park ST NEOTS Cambridgeshire PE19 8YP United Kingdom Phone 44 0 1480 396 395 Fax 44 0 1480 396 296 Email Technical Support rt picotech com Sales sales picotech com Web site www picotech com pl1000 en Copyright 2009 Pico Technology Ltd All rights reserved PicoLog 1000 Series User s Guide 5 1 6 1 7 Connecting the logger Before you connect your logger you must install the software supplied on the CD To connect the PicoLog logger plug the cable provided into any available USB port on your PC I O connector Status LED _ A I O connector for the pin numbering of the I O connector see I O connector pins sh The Pico PP545 Small Terminal Board is specially designed to connect to this socket to allow you to make connections to individual wires easily without soldering If you need to use a ribbon cable to connect your signals to this socket use the shortest possible length to avoid introducing too much crosstalk between the signals Status LED this flashes while the device is capturing data The flash rat
4. the data logger If you are using the Pico Small Terminal Board use any of the screw terminals marked GND Once you have built the circuit connect it to the Data Logger run the PicoScope 6 software and watch the trace on the display When the voltage source is connected the trace should rise to the level of the source voltage When the voltage source is disconnected the trace should fall to zero volts pl1000 en Copyright 2009 Pico Technology Ltd All rights reserved PicoLog 1000 Series User s Guide 7 1 9 Example circuit light Here is an example of a sensor circuit that you could connect to the logger Your custom sensor PicoLog 1000 Series Data Logger 2 5 V ET Data E Logger internal R1 dne circuitry R2 ov The components of the circuit are as follows ORP12 A light dependent resistor of type ORP12 or similar In the dark this acts like a fixed resistor with a high value of 1 MQ or more but when exposed to light its resistance drops in proportion to the brightness of the light down to several kQ R 100 kQ A fixed resistor to limit the current through R R3 1 MQ The input resistance of the PicoLog Data Logger You do not have access to this resistor but you may need to know its value when designing your circuit C Channel 1 The C1 pin on the data logger If you are using the Pico Small Terminal Board use the screw terminal marked C1 PO 2 5 V The power output pin on the data logger I
5. x 5 51 Weight lt 200 g 7 05 oz Notes 1 Block mode is supported by PicoScope and the PicoLog 1000 Series API but not by PicoLog 2 Except in USB ADC 11 compatibility mode 107 see 1 0 connections table 9 pl1000 en Copyright 2009 Pico Technology Ltd All rights reserved PicoLog 1000 Series User s Guide 9 2 2 I O connector pins The I O connector is the 25 way connector on the front of the unit Pin numbers and signal names are as follows See Specifications sh for further details of input and output characteristics Mn PicoLog PicoLog Ei 0 9 A resettable Ground EAT use E 6 anno in O to 2 5 V Arte aw ae Ground 0 9 A resettable 99 fuse log in O to 2 5 V es 25 Note 1 These outputs are available when the unit is used in USB ADC 11 Note 2 The ground pins are protected by resettable fuses If you connect one of the ground pins to a voltage source such as a power pack and the voltage source shares a ground connection with the USB cable to the Data Logger then a large current will flow into the ground pin The fuse will detect this condition and disconnect the pin before damage is caused to the Data Logger The fuse will automatically reset itself when the voltage source is disconnected from the input pin Note 3 NC not connected Copyright 2009 Pico Technology Ltd All ri
6. 1CO Has Technology PicoLog 1000 Series User s Guide www esis com au Ph 02 9481 7420 ESIS Fax 02 9481 7267 esis eng esis com au Industrial eee e pl1000 en 1 Copyright 2009 Pico Technology Ltd All rights reserved PicoLog 1000 Series User s Guide I Contents 1 Introduction ans ete e etre etre A e A EE 1 VOVERVIEW E III O Tin Eoso 1 2 Safety warning TN 2 3 Legal informiationii assista ar RL RA En 3 4 Accessories Sean li ee vanes cule seaducuditeawerdbecstevivecdcwcedsose 4 5 Company Ael EO E EIE 4 6 Connecting the logger M 5 7 Getting started Lena SD 5 8 Example circuit voltage M PD RI in 6 9 Example circuit light LE RI IR IENA 7 Product information metet aii 8 1 Specifications P A 8 2 I O connector pins Tm 9 3 USB ADC 11 compatibility eie EL RE 10 3 ect cn EE 11 Inden Bee RENE dirias 13 Copyright 2009 Pico Technology Ltd All rights reserved pl1000 en PicoLog 1000 Series User s Guide 1 1 Introduction 1 1 Overview The PicoLog 1000 Series PC Data Loggers are medium speed multichannel voltage input devices for sampling analog data using a PC This
7. alue This corresponds to a drop in amplitude of about 29 Duty cycle For a square wave signal the proportion of the time that the signal spends at the high level divided by the period of the signal expressed as a percentage Thus a symmetrical square wave has a duty cycle of 50 Input impedance The impedance of the input channels of the logger with the input disconnected Impedance is the total opposition due to resistance capacitance and inductance offered to the flow of an alternating current Linearity The ideal output of an ADC is a linear function of its analog input Linearity is a measure of the worst case deviation from this ideal characteristic Maximum sampling rate A figure indicating the maximum number of samples the ADC is capable of acquiring per second Maximum sample rates are usually given in S s samples per second The higher the sampling rate of the ADC the more accurately it can represent the high frequency details in a signal Overload protection The maximum voltage that can be applied across the inputs of the ADC without causing damage to it PWM Pulse width modulation A way of conveying analog information by means of a single binary signal The PWM output from the PicoLog 1000 Series units is a square wave between 0 volts and 3 3 volts with variable duty cycle The average voltage of the signal is the peak voltage 3 3 volts multiplied by the duty cycle The signal can be used to control proportiona
8. e depends on the sampling rate USB port USB port use the USB cable supplied to connect this to the PC that is running the Pico software A PC with a USB 2 0 port is recommended for best performance Getting started To check that the unit is working start the PicoScope program by clicking the PicoScope icon on your desktop Ay You should immediately see a signal trace on the screen As the inputs are high impedance the trace will show noise until a defined voltage is applied to the input If you connect a wire from the PO output of the data logger to the C1 analog input see I O connector pins 9 you should see the signal jump to 2 5 V Copyright 2009 Pico Technology Ltd All rights reserved pl1000 en Introduction 1 8 Example circuit voltage This is how to connect a simple voltage source to the Data Logger Your circuit PicoLog 1000 Series Data Logger V The components of the circuit are as follows V Battery R 1 MQ C1 Channel 1 GND Ground m A Data Logger internal circuitry Any cell battery or transducer with a voltage output in the range O V to 2 5 V The input resistance of the PicoLog Data Logger You do not have access to this resistor but you may need to know its value when designing your circuit The C1 pin on the Data Logger If you are using the Pico Small Terminal Board use the screw terminal marked C1 The GND pin on
9. f you are using the Pico Small Terminal Board use the screw terminal marked 2 5 GND Ground The GND pin on the data logger If you are using the Pico Small Terminal Board use any of the screw terminals marked GND Ry Once you have built the circuit connect it to the Data Logger run the PicoScope 6 software and watch the trace on the display When the sensor is exposed to light the trace should rise to almost 2 5 V When the sensor is covered the trace should fall to a value close to 0 V Copyright 2009 Pico Technology Ltd All rights reserved pl1000 en 8 Product information 2 Product information 2 1 Specifications Maximum sampling rate 1 continuous streaming 100 kS s single channel block mode 1 1 MS s single channel nalog bandwidth 3 dB inputtpe Singlerended unipolar period 100 us to 1800 us duty cycle 11 adjustable from 0 to 100 in 1 steps Digital outputs all logic low voltage 100 mV typical logic high voltage 3 3V current limiting 1 kQ resistors in series with outputs Power output for sensors 2 5 V 10 mA current limited Ground fault current protection 0 9 A thermal self resetting fuse 25 way D female Environmental operating conditions tor quoted accuracy 20 C to 50 C for quoted accuracy general operation 0 C to 70 C overall relative humidity 5 to 80 RH Compliance CE EMC class A emissions amp immunity FCC emissions USB 2 01 45 mm x 100 mm x 140 mm 1 77 x 3 94
10. ghts reserved pl1000 en 10 Product information 2 3 The I O connector pins are numbered as follows 13 1 USB ADC 11 compatibility mode The PicoLog 1000 Series data loggers may be used as replacements for the USB ADC 11 an 11 channel data logger previously available from Pico Technology The 1000 Series units have all the functions of the USB ADC 11 and some extra functions such as extra digital outputs 9 a PWM output 9 and a sensor power output They also have a faster USB interface and more advanced driver software If you use a 1000 Series unit with old versions of PicoScope and PicoLog that were released before April 2009 then it will automatically emulate a USB ADC 11 You can continue to use the unit as an USB ADC 11 if you wish or you can upgrade your software to enable the extra functions of the new unit pl1000 en Copyright 2009 Pico Technology Ltd All rights reserved PicoLog 1000 Series User s Guide 11 3 Glossary Accuracy The closeness between measured values and true values This is more usually expressed as the error as a percentage of full scale between the measured value and the true value ADC Analog to Digital Converter An ADC samples analog signals and converts them to digital data for storage and processing It is an essential component of a data logger Analog bandwidth The range of input frequencies over which the measured signal power is at least half its true v
11. l Resolution A value in bits indicating the number of distinct input levels that the ADC 115 can turn into digital values USB Universal Serial Bus This is a standard port that enables you to connect external devices to PCs A typical USB 1 1 port supports a data transfer rate of 12 megabits per second and is much faster than an RS 232 serial port A full speed USB 2 0 port operates at up to 480 megabits per second Copyright 2009 Pico Technology Ltd All rights reserved pl1000 en PicoLog 1000 Series User s Guide 13 Index A Accessories 4 Accuracy 8 11 ADC 11 ADC 11 compatibility mode 8 10 Analog bandwidth 11 Analog inputs 8 B Bandwidth 8 Block mode 8 C Circuit example 6 7 Compliance 8 Connections 5 Contact details 4 D Digital outputs 8 Dimensions 8 Duty cycle 11 E Environmental conditions 8 Example circuit 6 7 I O connector 5 8 Input coupling 8 Input impedance 8 11 Input range expanding 4 LDR 7 LED 5 Legal information 3 Linearity 8 11 M Maximum sampling rate 11 O Overload protection 8 11 Overview 1 P PC connection 8 PicoScope 5 Power output 8 PWM 1i PWM output 8 R Resolution 8 11 S Safety warning 2 Sampling rate 8 Small Terminal Board 4 Specifications 8 Status LED 5 Streaming mode 8 T Terminal board 4 U USB 11 USB ADC 11 compatibility mode 10 USB port 5 8 V Voltage input connection 6 W Weight 8 Co
12. nd agree to abide by them Usage The software in this release is for use only with Pico products or with data collected using Pico products Copyright Pico Technology claims the copyright of and retains the rights to all material software documents etc contained in this release You may copy and distribute the entire release in its original state but must not copy individual items within the release other than for backup purposes Liability Pico Technology and its agents shall not be liable for any loss damage or injury howsoever caused related to the use of Pico Technology equipment or software unless excluded by statute Fitness for purpose No two applications are the same Pico Technology cannot guarantee that its equipment or software is suitable for a given application It is your responsibility therefore to ensure that the product is suitable for your application Mission critical applications This software is intended for use on a computer that may be running other software products For this reason one of the conditions of the licence is that it excludes usage in mission critical applications for example life support systems Viruses This software was continuously monitored for viruses during production but you are responsible for virus checking the software once it is installed Support If you are dissatisfied with the performance of this software please contact our technical support staff who will tr
13. pyright 2009 Pico Technology Ltd All rights reserved pl1000 en PicoLog 1000 Series User s Guide 15 Copyright 2009 Pico Technology Ltd All rights reserved pl1000 en Pico Technology www esis com au Ph 02 9481 7420 ES Fax 02 9481 7267 esis enq esis com au Industrial Electronics pl1000 en 1 12 5 09 Copyright O 2009 Pico Technology Ltd All rights reserved
14. y to fix the problem within a reasonable time scale If you are still dissatisfied please return the product and software to your supplier within 28 days of purchase for a full refund Upgrades We provide upgrades free of charge from our web site We reserve the right to charge for updates or replacements sent out on physical media Trademarks Pico Technology PicoScope and PicoLog are trademarks of Pico Technology Ltd registered in the United Kingdom and other countries Pico Technology acknowledges the following product names as trademarks of their respective owners Windows Excel Visual Basic LabVIEW Agilent VEE HP VEE Delphi Copyright 2009 Pico Technology Ltd All rights reserved pl1000 en 4 Introduction 1 4 Accessories The following items are supplied in all packages Standard items Part no PicoLog 1000 Series PC Data Logger PP543 PicoLog 1012 PP544 PicoLog 1216 USB cable M1106 Software and Reference CD ROM DI025 USB Installation Guide DO112 The following additional items are supplied in some packages see our website for details Additional items Part no Small Terminal Board PP545 Small Terminal Board User s Guide DO161 The Small Terminal Board makes connecting wires to the Data Logger much easier Instead of soldering wires to a 25 way D type plug you can simply insert prepared wire ends into the screw terminals on the terminal board The board also contains solder pads to allow you to fit resistors
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