GL820 midi Data Logger System
Contents
1. power QsraRr CHARGE SRAPAT 9 Control panel keys AC adapter jack GND terminal USB memory terminal ne 1 85 95 58548858 lt 71 22 alas 8 8 8 89 85 86 S8 89 8 89 8 88 89 6516 li 9 8 8 8E 89 89 S 3 85 8 S 89 88 8 89 8 8 Analog signal input terminals External input output termin2. Maximum SPAN Minimum SPAN Minimum Resolution 0 to 100 0 to 110 330 668 1444 Typical GL820 Analog Signal Connections Terminal Configuration 06819 839907 Elie N l9 uvo O 1uvis O uoa C D i 3219 4121 O Of O0 1 C O OU 1 E 0j O kE Sia Cy Jp OO 0 O 8 9 1 8 8 01 LL eL 81 vl GL 91 LL 8L 6L 0 cedri e e CH1 CH20 Dmm jJ GND 008 9 0 8 05085 e e e e e Olele 9 e e e DC voltage input Resistance temperature detector input 100 109 Sampling Intervals Number of Mea Allowed Sampling Sampling In
3. 10 20 50 100 125 200 250 500 ms 30 min 1 h 4 points can be set for each channel Double screen display Exchange of USB memory Saving of data between cursors Capture to internal memory capture to USB memory setup data can be saved copy of data screen saved ON OFF Number of recording points 1000 to 2000000 When ON the memory space that can be used for capture is of the free space or less Addition subtraction multiplication and division Average value peak value maximum value minimum value RMS 2 max simultaneously Method Realtime and between cursors Results displayed in Digital Screen Calculation Display Screen Search the captured data for the required number of points Channel Pulse Logic Level Alarm Alphanumeric 31 character max 5 Analog Channel Specifications Number of inputs Input terminal type Input method Scan speed Measurement Ranges Voltage Temperature Humidity Measurement accuracy Voltage Temperature Thermocouple Resistance Temperature Detector 20 channels maximum 200 channels with exten sion unit M3 screw type terminals Photo MOS relay scanning system channels isolated balanced input Terminal b to be used to connect the resistance temperature detector 1s shorted within all channels 10 ms 1 ch maximum 20 50 100 200 500 1 2 5 10 20 50 V 1 5 V F S Thermocouples K J E T R S B N W WRe
4. 15 to 40 when using batteries Between each input channel and GND terminal 1 minute at 350Vp p Between each input terminal 1 minute at 350Vp p AC adapter 100 to 240 VAC 50 60 Hz DC input 8 5 to 24 VDC Battery pack option 7 2 VDC 2200 mAh 2 packs mountable AC Power consumption when AC adapter is used Normal Consumption Consumption during Condition battery recharge LCD on 18 VA 32 VA Screensaver on 14 VA 30 VA DC Power consumption DC Normal M Consumption during Voltage Consumption battery recharge 24 LCD on 0 3 VA 0 7 V 24 Screensaver on 0 25 VA 0 6 VA 2 212 LCD on 0 6 VA Can t Recharge 32V Screensaver on 0 45 VA Can t Recharge 8 5 LCD on 0 85 VA Can t Recharge 268 57 Screensaver 0 65 Can t Recharge Note normal status is when LCD brightness is set to MAX 232 x 152 x 50 mm 900g excluding AC adapter and battery Equivalent to automobile parts Type 1 Category A classification Overall Functional Specifications Display Screen Sampling interval EU Scaling function Function during capture Data save functions Ring capture Channels calculation Statistical calculation Search functions Annotation input function www dataq com Waveform screen Digital screen Expanded Waveform screen Digital screen Calculation Display screen can be key toggled 10 ms 1 ch maximum
5. Pulse Specifications Item Description Trigger Input Specifications Item Description Alarm Output Specifications Item Description Number of output channels 4 Output format Open collector output 5V 10KQ pull up resistance Contact capacity 5 V to 24 V 100mA or below Circuit Example of Relay Drive by Alarm Output Alarm Output Circuit External Device 24 GL820 5V V 10 This relay turns ON when alarm is generated www dataq com 5 330 668 1444 Program the GL820 for Real World Trigger Conditions The GL820 can adapt to just about any trigger condition you might encounter Data recording can be stopped or started as a function of analog signal level a definable alarm condition an external event or specific date and time Beyond initiat ing a data capture cycle the GL820 can also be programmed to set a digital output to flag an external alarm condition And after a trigger condition is executed you can program the GL820 to automatically rearm itself to wait for another trigger event or stop entirely You can even program the GL820 to detect and alarm on a thermocouple burnout condition Here s a summary of the GL820 s trigger and alarm features GL820 Trigger and Alarm Overview Setting Selections Available OFr Level Alarm Input Time Day Duration 0000 Level Analog Off L Window In Window Out Logic Off L Pulse Off 1 Window In Window Out C
6. VDC Sensor power source 5 to 16 VDC Power consumption approx 4mA External dimensions 14mm x 80 mm excluding cable Cable length 3m Other Optional Accessories Item Option Description Item Option Description DC power cable B 514 Bare tips 2 m Logic alarm cable B 513 2m bare tips Extension terminal base set B 537 Extension terminal base unit cable Carrying Case B 536 Durable carrying case 20 channel extension terminal set B 538 20 terminals extension terminal base unit connection plate screws www dataq com 11 330 668 1444 GL820 External Dimensions ad A _ 55 83 i 10 UU x 3 2 232 ORAPHTEG Dimension precision Error xbmm Units mm 330 668 1444 12 www dataq com GL820 Specifications Overall Specifications Number of analog inputs External input output PC interface Internal memory devices Data backup functions Operating Environment Withstand voltage Power supply Power Consumption External Dimensions Weight Vibration tested conditions unit 20 channels Extension unit Maximum 200 channels Trigger input Logic input 4 channels or Pulse input 4 channels Alarm output Ethernet 10Base T 100Base TX USB high speed supported provided as standard features Internal memory approx 2 GB USB memory slot FullSpeed supported standard Setup conditions Clock lithium secondary battery 0 to 45 5 to 85 RH
7. capture is complete File4 File5 Filexx Saved Mf IR External Sampling Input signal Sampling interval Shortest interval External Sampling pulse Data for this Data for this Memory capture data www dataq com T 330 668 1444 Flexible Computer Interfaces and an Optional Battery Pack The GL820 provides the added benefit of PC connectivity to either a USB or Ethernet port Both interfaces are standard and the USB port doubles as a method to expand the GL 820 s internal 2 GB memory to any size USB flash memory When either interface 18 connected to a PC you can upload measurement protocols to the GL820 monitor acquired data in real time or download previously acquired data The GL820 s Ethernet interface offers the advantage of allowing the GL820 to function as a Web server allowing the GL820 to be manipulated from any web browser such as Firefox or Internet Explorer Finally an optional battery pack may be added to the GL820 to allow power independent data recording whenever and wherever it s required USB Flash Drive Memory Expansion USB to PC Interface Connection USB cable USB Memory Ethernet Interface Connection Optional B 517 Battery Pack One battery pack or uu two for longer life LAN cable Ethernet Deployment Examples Directly to a PC using a cross over cable Over a local area network LAN using hubs or switches 100 meter maximum length unlimited length LA
8. type Lithium secondary battery Running time lt When LCD is ON gt 1 battery pack MAX brightness approx 2 5 hours MIN brightness approx 3 hours up to 2 battery packs 2 battery packs MAX brightness approx 5 hours MIN brightness approx 6 hours can be mounted lt When LCD is OFF gt 1 battery pack approx 3 5 hours 2 battery packs approx 7 hours Charging method Mount in the main unit Time required for charging 1 battery pack approx 4 hours 2 battery packs approx 8 hours Switchover in the case of Because the battery is used together with the AC adapter the power supply will be switched automatically to power failure the battery in the event of power failure The AC adapter is the primary power source Operating environment Running on battery O to 40 C Battery being charged 15 to 35 C When battery is running low file is closed automatically when captured to USB or internal memory Other functions Remaining amount indicator Optional Humidity Sensor model B 530 Item Description Alowable temperature range Relative humidity measurement accuracy 3 RH 5 to 98 RH at 25 C Method Capacitance method Relative humidity measurement accuracy 0 to 10 C 5 10 to 20 C 4 RH 20 to 30 C 3 30 to 40 C 4 RH 5 to 98 40 to 50 5 RH 50 to 60 x696RH 60 to 70 7 RH 70 to 80 C 8 RH Response time 15 s 90 response when membrane filter installed Sensor output 0 to 1
9. 0 1 Trigger input 1 ch or External sampling input 1 ch Logic input 4 ch or Pulse input 4 ch Alarm output 4 ch Switch between Logic and Pulse Switch between Trigger and External sampling The logic alarm cable B 513 option is required to use the external output function Input voltage range 0 to 24 V single ended ground input Input signal No voltage contact a contact b contact NO NC Open collector Voltage input Input threshold voltage Approx 2 5 V Hysteresis Approx 0 5 V 42 5 to 3 V Output format Open collector output 5 V pull up resistance 10 KQ Maximum ratings of output transistor Collector GND voltage 30 V Collector current 0 5 A Collector dissipation 0 2 W Output conditions Level judgment window judg ment logic pattern judgment pulse judgment Function Counts the number of pulses per second enables them to be converted to rpms Spans 50 500 5000 50 k 500 k 5 M 50 M 500 M PRM FS Function Displays a count of the number of pulses for each sampling interval from the start of measurement Spans 50 500 5000 50 k 500 k 5 M 50 M 500 M CIES Function Counts the number of pulses for each sampling interval Resets the count value after each sampling interval Spans 50 500 5000 50 k 500 k 5 M 50 M 500 M C E S Maximum input frequency 50kHz Maximum number of count 50kC sampling 16 bit counter Order No B 537 B 538 B 513 B
10. 00 Channels www dataq com 9 330 668 1444 GL820 Display Quick look GL820 Display Close up and Modes 4 Internal memory access display 3 Status mark 5 USB memory access display 6 Remote display 7 Key lock display 8 Clock display 1 Simplified message display 2 TIME DIV Free Running 1 sec DIV STOP 9 AC battery status display 18 Data capture bar 17 Upper limit scale 16 Waveform display 15 Lower limit scale 10 Digital display 11 Quick settings MONITOR 330 668 1444 ET 12 34 14 File name display 13 Pen display 12 Alarm display AMP settings Level settings DATA TRIG USER I F 2 menu AMP IVF OTHR Waking analog and pulse logic settings Trigger Level Settings Display Logic Pulse Data gt Display Logic Pulse Data gt Input Range Filter EU Misc j Combination 390R TCT 40 V CH Lower Level Upper WTEMP TC T 40 gt D C0 C Cn kWh s Help Sets the trigger mode Set the level to suit the waveform Keyboard Close up 1 CH GROUP 2 SPAN TRACE POSITION 3 TIME DIV 5 QUIT 4 MENU 8 Direction Keys 7 ENTER 8 FAST FORWARD key KEY LOCK 9 START STOP USB DRIV 13 FILE 9 f 14 12 CURSOR ALARM CLEAR 11 DISPLAY 10 REVIEW 10 The GL820 s keyboard and display are key components you ll use for any typ
11. 12 11 10 9 4 7 h 5 4 3 2 1 1 sec DIV STO Voltage Current and Temperature Measurement Functions Use the GL820 to measure voltages currents 4 20 mA process currents as well as thermocouple and RTD based temperatures Four Unique Pulse Inputs for Discrete Measurements The GL820 provides discrete input channels that can be used for counting and rotational speed measurement applications Or program the discrete inputs as simple logic level input channels Four Alarm Outputs Program the GL820 to trigger its open collector outputs as a function of analog input signal level judgment pulse judgment or logic pattern Wide Sample Interval Selections sample intervals can be programmed to be one of sixteen values ranging from 10 ms to one hour Bright TFT LCD Color Display The focal point of the GL820 is its built in 5 7 inch color display that allows real time trending data review and complete instrument configuration Engineering Units Scaling Each GL820 channel allows up to four break points to be programmed for accurate scaling into meaningful units like psi grams newtons gallons per minute etc MONITOR CH 1 a midi LOGGER GL820 GROUP gt yng lt 4 TWE DIV 0 65 ALARM 1 2 Flexible Triggering Options The GL820 allows data capture to be started or stopped based upon signal level an external event date time alarm duration or Boolean channel combinations Anal
12. 5 26 Resistance temperature detector Pt100 JPt100 Pt1000 IEC751 Humidity 0 to 100 voltage 0 V to 1 V scaling conversion with B 530 option 0 1 of Full Scale Measurement Accuracy Measurement Temperature TE Range C 05155100 100 lt Ts lt 300 300 lt Ts lt 1600 S 300 lt Ts lt 1760 400 lt Ts lt 600 600 lt Ts lt 1820 152 3 0 0 05 of rdg 2 0 0 05 of rdg 2 0 9 5 0 0596 of rdg 2 0 200 lt lt 100 100 lt lt 1370 0 05 of rdg 2 0 200 s Ts s 100 100 lt Ts lt 800 0 0596 of rdg 2 0 0 0596 of rdg 1 0 ne Imp iie he lhe 0 05 of rdg 1 0 200 s Ts s 100 100 Ts s 400 0 1 of rdg 1 5 0 196 of rdg 0 5 t 200 lt Ts lt 100 100 lt Ts lt 100 100 lt Ts lt 1100 t2 der 0 05 of rdg 1 0 0 lt Ts lt 1300 0 1 of rdg 1 0 0 lt Ts lt 2000 0 1 of rdg 1 5 Reference contact compensation accuracy 0 5 Measurement Accuracy C Measurement Tem perature Range Applied Type Current Pt100 200 to 850 FS 1050 1 2110 Jpt100 200 to 500 FS 700 1 0 8 Pt1000 0 2mA 0 8 200 to 500 FS 700 23 C 3 C when 30 minutes have elapsed after the power was switched on filter On 10 1 s 20 ch sampling GND connected Reference contact compensation accur
13. 530 250 Data Acquisition Product Links click on text to jump to page Data Acquisition Data Logger Chart Recorder Thermocouple Oscilloscope DATAQ the DATAQ logo and WinDaq are registered trademarks of DATAQ Instruments Inc rights reserved Copyright 2012 DATAQ Instruments Inc The information on this data sheet is subject to change without notice
14. 7 DATAQ Built in 5 7 TFT LCD Color Display Stand alone or PC connected operation 20 Analog Channels Standard Expandable to 200 Input to output and channel to channel Isolation USB and Ethernet PC Interfaces With its color monitor and internal memory the GL820 is a compact lightweight multi channel data logger that provides 20 standard analog measurement channels expandable to 200 The GL820 is equipped with a large internal flash memory to allow the direct capture of acquired data and its built in USB port may be used to connect any standard USB flash drive for incremental capacity Alternatively the USB or the integral Ethernet port may be connected to a PC to allow data upload in real time or from memory as well as local or remote configuration and real time data acquisition The Ethernet feature includes WEB and FTP server functions which allows monitoring from a remote location as well as data transfer Wide Voltage Measurement Range Each GL820 analog channel can measure from 20 mV to 50 VFS across eleven programmable measurement ranges Full Electrical Isolation Per Channel Each analog GL820 channel is electrically isolated from all others and from instrument ground to allow accurate and safe measurements in industrial applications where ground potential differences are common GL820 midi Logger INSTRUMENTS 7 wes ww www vr Pel Fer MC 20 19 18 17 16 15 14 13
15. N cable crossing LAN cable straight LAN cable straight 330 668 1444 8 www dataq com GL820 Analog Channel Expansion and Extension Options Adding more flexibility to where and how the GL820 can be deployed the analog input screw terminal unit may be detached from the GL820 and located up to 23 inches away using the optional B 537 Extension Kit If you need channel expansion beyond the 20 channels provided by the base GL820 then use one or more B 538 Expansion Kits plus ONE B 537 Extension Kit to expand your channel count in 20 channel increments to a maximum of two hundred The Terminal Unit May be Removed from and relocated up to 23 inches away us the GL820 ing the B 537 Extension kit 57 K 000 d IAT Od Pte 97 2725 4 LJ 55 5 Extension Terminal Cable 22 271347 id Bay Pay P 27772772 77 LS 274 77 22 7297 SI od JALIL OTT TSN NY 75427 2 ND 7 7 tL Seah 277 M 2 D Aa AN 277 00 NDS RR 3 221 Unit 2 CH21 to 40 N Ms Y NE 2883 NAP ATA Unit 1 CH1 to CH20 S ANNA 5 SKRR WY ANA M ANNE SYN SY NM AN Ways 22 212 A NN WY 2 2 lt aS ISS AA Expansion Ordering Chart 20 Channels 40 Channels 100 Channels 2
16. acy A D converter Temperature coefficient Input resistance Allowable signal source resistance Maximum permissible input voltage Withstand voltage Insulation resistance Common mode rejection ratio Noise Filter Internal External switching Method AX Resolution 16 bit Effective resolu tion About 1 40000 of the range Gain 0 01 5 2 Zero 0 02 of F S C Zero occurs at the sampling intervals of 10 20 and 50 ms 1 5 Within 300 Between terminals Between input terminal input terminal Between input terminal GND 60 Vp p Between input terminal input terminal 1 min at 350 Vp p Between input terminal GND min at 350 Vp p Between Input terminal GND At least 50 at 500 VDC At least 90 dB 50 60 Hz signal source 300 2 or less At least 48 dB with terminals shorted Off 2 5 10 20 40 Filter operation is on a moving average basis The average value of the set sampling count is used If the sample interval exceeds 30 seconds the aver age value of data obtained in a sub sample 30 seconds is used 330 668 1444 GL820 Specifications continued Integral TFT LCD Display Display Displayed languages Backlight life Backlight Trigger Function Specifications Repeat trigger Trigger types Trigger conditions Alarm judgment modes Alarm judgment modes PC Interface Interface types Software functions Ethernet fu
17. als LOGIC PULSE EXT TRIG SAMPLE ALARM Logic alarm cable When using the B 513 option Power jack for the humidity sensor Humidity sensor is the option B 530 CAT 1 e pni e 30VACrms 0000 80VDC max Label Battery cover Two battery packs can be installed option B 517 www dataq com GL820 Analog Input Circuit and Measurement Ranges Each GL820 analog input channel features electrical isolation using a photo MOS relay switching method to maintain safe and accurate measurements in demanding industrial environments Channel Switching Relay Voltage Measurement Ranges per Channel Range Maximum SPAN Minimum SPAN Minimum Resolution Process Current Measurement with model R250 resistor Range Maximum SPAN Minimum SPAN Minimum Resolution 5 500 to 5 500V 0 050V 0 001V Temperature Measurement Ranges per Channel Maximum SPAN Minimum SPAN Measurement Minimum Resolution 200 to 1370 200 to 1370 C 200 to 1100 C eee to 400 200to 400 C to 41600 Oto 1600 C EB 200t0 900C BEEN ON T E E M to 1920 600 to 1920 C 270 to 2000 C S 0 to 1760 0to 1760C N 0to 1300C to se 193000 0to 1300C W Ww Oto 2315 C 2 ere 200to 500 C 200to 500 C Optional Humidity Measurement Range
18. g solution for measurement situations where events need to be recorded but their occurrence is separated by long and unpredictable time intervals Ring capture employs a ping pong memory approach to data recording with a definable memory length which may be adjusted to ensure that a re corded event is retained long enough for manual intervention to stop recording and allow data retrieval External sampling allows the GL820 to be marginally synchronized to an external trigger signal The Ring Capture Concept REC Start capturing data Captured data is saved into File 1 When the specified number of data points are saved into File 1 the captured data is saved into File 2 The number of data points to capture is specified in the Ring Capture Points menu When the specified number of data points are saved into File 2 the captured data is saved into File 3 File1 is deleted at this point When the specified number of data points are saved into File 3 the captured data is saved into File 4 File2 is deleted at this point When the specified number of data points are saved into File 4 the captured data is saved into File 5 File3 is deleted at this point Repeat action STOP Stop capturing data File1 File2 File3 File4 File5 D ip 1 1 2 When capturing is stopped at the STOP POINT above File4 and File 5 remain These files are consolidated into one file and it is saved The ring
19. ical data recording session The display 15 a full color TFT LCD thin film transistor liquid crystal display the same technology used in modern flat panel televi sions The display measures 5 7 inches diagonally and offers 640 x 480 pixels of bright clear high contrast resolution The GL820 s keyboard allows full access to the instrument s menu system as viewed through its display Navigation 15 straightforward and intuitive using the keyboard s navigation and ENTER keys that form the center of the array Other keys support special operations that are clearly annotated Digital screen 25 8 0 2668 6 2668 cM co gt e 90 2658 9 2668 0 2668 6 0 2668 0 2668 9 2668 9 2653 3381 60900 19 3361 112 www dataq com GL820 Included and Optional Accessories Included PC Software Item Description Compatible OS Windows XP Vista 7 Monitor functions Alarm monitor enables sending of e mail to the specified address Report function Automatic creation of daily or monthly files Statistic History Displays max min and average values during measurement Included Accessories Item Description Quick Start Guide GL820 UM 8xx CD ROM User s manual application software AC adapter 100 to 240 VAC 50 60 Hz power supply cord for each area Optional Battery Pack model B 517 Item Description Capacity 7 4 2200 mAh 17Wh Battery
20. nctions USB functions Real time data transfer Description GL820 Compact lightweight multi channel data logger that provides 20 standard analog measurement channels expandable to 200 Battery Pack 7 2V 2200mAh Battery pack DC power cable 2 meter DC power cable bare tips Carrying Case Durable case designed specifically for the GL820 DATAQ INSTRUMENTS 2 5 7 inch TFT color LCD 640 x 480 dots Japanese English French German Chinese Korean 50 000 hrs when brightness is down to 50 depends on operation environment Screensaver function 10 30 s 1 2 5 10 30 60 m Off On Start Data capture starts when a trigger is generated Stop Data capture stops when a trigger 1 generated Start Off Level Alarm External Time Date Weekly Stop Off Level Alarm External Time Date Weekly Combination Level OR Level AND Edge OR Edge AND Analog channel judgment mode 1 L J Window In Window Out Logic channel judgment mode 1 L Pulse channel judgment mode 1 L Win dow In Window Out Detection method Level Edge Analog channel judgment mode 7 L Window In Window Out Logic channel judgment mode 1 L Pulse channel judgment mode H 1 L Win dow In Window Out Ethernet 10Base T 100Base TX USB HighSpeed Data transfer to PC real time memory PC control of the GL820 Web
21. og signal triggers can be programmed based upon level and window tests above threshold below threshold inside window or outside window Real Time and Post recorded Calculations The GL820 may be programmed to calculate average value peak value minimum value rms and arithmetic operations between channels Flexible Power Requirements Power the GL820 from its provided international AC adaptor from an optional built in battery pack or from any 9 to 24 VDC source using an optional cable PC Connectivity via USB or Ethernet Allows data transfer to the PC either in real time or from the GL820 s memory Also allows complete configuration of the GL820 PC Software Bundle Included The GL820 includes Windows application for direct capture measurement and monitoring of GL820 data In addition to waveform and data value capture and display the application can export data to an Excel file for further analysis and report creation The software includes built in help for quick reference DATAQ Instruments Inc 241 Springside Drive Akron Ohio 44333 Tel 330 668 1444 Email support dataq com www dataq com 330 668 1444 GL820 Display and Control Overview e USB e LAN PC interface terminals Monitor Operation status LED POWER ON when power is ON wan START ON during data capture CHARGE ON while battery is charging
22. ombination Level OR Level AND Edge OR Edge AND Start a side Alarm Alarm port 1 2 3 4 source Date From 2005 1 1 to 2035 12 31 setting Time From 0 0 0 to 23 59 59 Weekly Off or On setting for each of Sunday through Saturday Time From 0 0 0 to 23 59 59 Level Moe Analog L Window In Window Out Logic Off LL Pulse Off L Window In Window Out Combination Level OR Level AND Edge OR Edge AND Level Set numeric value Stop Alarm Alarm port 122 3 4 xo Date From 2005 1 1 to 2035 12 31 source setting Time From 0 0 0 to 23 59 59 Weekly Day of week Off or On setting for each of Sunday through Saturday Time From 0 0 0 to 23 59 59 Time From 0 0 1 to 9999 59 59 Repeated capturing Off On Analog Off L Window In Window Out Logic Off L Pulse Off L Window In Window Out Level Set numeric value Alarm Output 123 4 level settings Detection Method Level Edge Alarm Hold On Off Send Burnout Alarm On Off GL820 Trigger Modes Above Threshold Below Threshold gt Measurement starts alarm generated gt Measurement starts alarm generated 3 CH1 Inside Window Outside Window gt Measurement starts alarm generated Measurement starts alarm generated gt WA CH1 1 CH1 330 668 1444 6 www dataq com GL820 Ring Capture and External Sampling The GL820 s ring capture feature provides a continuous recordin
23. server function Displays GL820 s screen image on Web browser operation of GL820 FTP server function Transfers and deletes files from internal memory and USB memory FTP client function Backs up data in internal memory and USB memory NTP client function Corrects the time of the GL820 clock DHCP client function Automatically retrieves the IP address USB drive mode Transfers and deletes files from internal memory 10 msec 1 ch maximum depends on the number of transferring channels Internal Memory Devices Memory capacity Memory contents Internal memory approx 2GB Flash memory USB memory Unlimited 1 file must be 2GB at the max Setup conditions measured data screen copy Discrete I O Specifications Input Output types Input specifications Alarm output specifications Pulse input Revolutions mode engines etc Counts mode electric meters etc Inst mode Maximum number of pulse inputs Ordering Guide Order No GL820 B 517 B 514 B 536 DATAQ Instruments Inc 241 Springside Drive Akron Ohio 44333 Phone 330 668 1444 Fax 330 666 5434 Description Extension Terminal Base Set Extension terminal base unit with cable 20 Channel Extension Set 20 channel terminals Extension terminal base unit connection plate screws Logic Alarm Cable 2 meter bare tips Humidity Sensor 3 meter with dedicated power connector Resister Precision 250 Q resistor
24. terval which suring Interval enables Digital Filter 100ms or slower 500ms or slower t Number of Measuring Channels is the number of channels in which input settings are NOT set to OFF The temperature setting is not available for sampling intervals of 10 20 and 50 ms Signal Types and Typical Connections EE Thermocouple input Voltage Input L Compensation Copper Wire SM b Current input E j Direct Current e b iN Lead wire resistance should be 100 or less per wire three wires need to be same length Shunt Resister Ex The current is converted to the voltage in the shunt resister For 4 20mA current input installing 250 ohms 0 196 resister for converting 1 5V 2500 resister is model R250 High voltage terminal terminal for high voltage signals Low voltage terminal terminal for low voltage input signals Dedicated terminal when connection resistance temperature detector 4 www dataq com 1820 Logic Pulse Alarm and External Trigger Connections The Logic Alarm Cable model B 513 provides access to the GL820 s discrete and pulse inputs external trigger input and alarm outputs The cable is two meters in length and is purchased separately Logic alarm cable B 513 Logic
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