HOBO 4-Channel Pulse Input Data Logger (UX120
Contents
1. Solid State Switch Closure Internal Weak Pull Up Input Impedance Minimum Pulse Width Lockout Time Edge Detection Preferred Switch State Logging Resolution Logging Rate Time Accuracy Battery Life Battery Type Memory Memory Download Type Download Time Physical Operating Range Weight Size Environmental Rating CE Electronic solid state switch closure or logic driven digital signals to 24 V 120 Hz 1 Hz 4 32 bits depending on pulse rate and logging interval 7 863 960 using maximum logging rate Input Low lt 0 4 V Input High 3 to 24 V Maximum Voltage 25 V DC Minimum Voltage 0 3 V DC Input Low lt 10 KQ Input High gt 500 KQ 100 KQ Solid state switch closure 100 KQ pull up Driven signal 4 5 KQ Contact closure duration 500 uS Driven logic signal 100 uS O to 1 second in 100 ms steps Falling edge Schmitt Trigger buffer Normally open or Logic 1 state Pulse 1 pulse Runtime 1 second State and Event 1 State or Event 1 second to 18 hours 12 minutes 15 seconds 1 minute per month at 25 C 77 F see Plot A on next page 1 year typical with logging intervals greater than 1 minute and normally open contacts Two AA alkaline or lithium batteries UX120 017 520 192 measurements assumes 8 bit UX120 017M 4 124 672 measurements assumes 8 bit USB 2 0 interface 30 seconds for UX120 017 1 5 minutes for UX120 017M Logging 40 to 70 C 40 to 158 F2. O to 95 RH non condensing Launch Readout 0 to 50 C 32 to 122 F per USB specification 149 g 5 26 oz 11 4 x 6 3 x 3 3 cm 4 5 x 2 5 x 1 3 inches IP50 The CE Marking identifies this product as complying with all relevant directives in the European Union EU 14638 E HOBO 4 Channel Pulse Input Data Logger Manual Specifications continued Inputs There are 4 input channels to connect the logger to external sensors devices Terminal Blocks There are 4 terminal blocks included with the logger to plug into the inputs for connecting devices 0 0 Test Button Press this button to activate the Activity Lights for z 25 0 10 minutes to test for contact resistance or voltage signal in any kr of the four input channels see the LED table U i Mounting Holes There are four mounting holes two on each E side that you can use to mount the logger to a surface see 75 0 Mounting the Logger aah USB Port This is the port used to connect the logger to the a eas 35 35 475 0 computer or the HOBO U Shuttle via USB cable see Setting up Temperature C the Logger and Reading Out the Logger Plot A Time Accuracy Setting Up the Logger Use HOBOware Pro to set up the logger including selecting the start and stop logging options configuring the input channels for specific sensor types and entering scaling factors It may be helpful to set up the logger with a Delayed Start or a Button Start first and then bring it
3. to 32 bits instead of a typical fixed width This results in the ability to store more data using less space which in turn extends logging duration The default pulse rate is 120 Hz which is also the maximum You can adjust this rate in HOBOware see the HOBOware Help for details Decreasing the rate will increase logging duration The following table shows examples of how pulse rate and logging interval affect logging duration Pulse Number Approximate Approximate Logging Rate of Bits Total Data Logging Interval Hz Required Points Duration 1 minute 4 8 520 192 361 days 1 minute 50 12 346 795 240 days 1 minute 120 16 260 096 180 days Reading Out the Logger There are two options for reading out the logger connect it to the computer with a USB cable and read out it with HOBOware or connect it to a HOBO U Shuttle U DT 1 firmware version 1 14m030 or higher and then offload the datafiles from the 1 800 LOGGERS www onsetcomp com HOBO 4 Channel Pulse Input Data Logger Manual U Shuttle to HOBOware Refer to the HOBOware Help for more details Recording Internal Logger Events The logger records several internal events to help track logger operation and status These events which are unrelated to state and event logging include the following Internal Event Name Definition Host Connected The logger was connected to the computer Started The Start Stop button was pressed to begin logging Stopped The logger recei
4. HOBO 4 Channel Pulse Input Data Logger UX120 017x Manual HOBO 4 Channel Pulse Input Data Logger Models UX120 017 UX120 017M Included Items e 4 Mounting screws 2 Magnets Hook amp loop tape e 4 Terminal block connectors Required Items e HOBOware Pro 3 2 or later e USB cable included with software Accessories e Additional terminal blocks A UX120 TERM BLOCK e Lithium batteries HWSB LI Additional sensors and accessories available at www onsetcomp com The HOBO 4 Channel Pulse Input data logger records electronic pulses and mechanical or electrical contact closures from external sensing devices Using HOBOware you can easily configure each of its four channels to monitor and record pulse event state or runtime data in a wide variety of applications including tracking building energy consumption monitoring mechanical equipment and recording water and gas flow rates Plus when combined with the E50B2 Energy amp Power Meter T VER E50B2 this logger provides extensive power and energy monitoring capabilities There are two models of the HOBO 4 Channel Pulse Input data logger the UX120 017 stores more than 500 000 measurements while the UX120 017M holds more than 4 000 000 measurements Specifications Inputs External Contact Input Maximum Pulse Frequency Maximum State Event Runtime Frequency Bits Maximum Pulses Per Interval Driven Logic Signal Absolute Maximum Rating
5. ere are three types of LEDs on the logger to indicate logger operation Logging Waiting and Activity Note that all LEDs will blink when the logger is initially powered i e when the batteries are installed e State This records how long an event lasts by storing the date and time when the state of the signal or switch LED Description changes logic state high to low or low to high The logger Logging Blinks every 2 seconds when the logger is recording data checks every second for a state change but will only green Disable this LED by selecting the Turn Off LEDs option in record a time stamped value when the state change a e MOBOWAE o a occurs One state change to the next represents the event Waiting Blinks every 2 seconds when awaiting a start because the duration orange logger was configured with Start At Interval Delayed Start or Button Start settings in HOBOware e Event This records the date and time when a connected Activity There is one Activity LED per input channel Press the relay switch or logic low transition occurs the logger red Test button to activate all four Activity LEDs for 10 records an event when the input transitions to the logic minutes to determine the state of the four input low This is useful if you need to know when an event channels When the logger is recording data the Activity occurred but do not need to know the duration of the LED for the corresponding channel will blink at every event You can als
6. inerate heat above 85 C 185 F or recharge the lithium batteries The batteries may explode if the logger is exposed to extreme heat or conditions that could damage or destroy the battery cases Do not dispose of the logger or batteries in fire Do not expose the contents of the batteries to water Dispose of the batteries according to local regulations for lithium batteries HOBOware provides the option of recording the current battery voltage at each logging interval which is disabled by default Recording battery life at each logging interval takes up memory and therefore reduces logging duration It is recommended you only record battery voltage for diagnostic purposes 2011 2013 Onset Computer Corporation All rights reserved Onset HOBO and HOBOware are trademarks or registered trademarks of Onset Computer Corporation All other trademarks are the property of their respective companies 1 800 LOGGERS 564 4377 508 759 9500 www onsetcomp com loggerhelp onsetcomp com 14638 E
7. o adjust the lockout time to debounce pulse signal Note If you press the Test button during switches logging then the Activity LED will remain illuminated for any channel that has not been configured to record data e Runtime This records the number of state changes that happen over a period of time The logger checks the state of the line once a second At the end of each logging 1 800 LOGGERS 2 www onsetcomp com interval the logger records how many seconds the line was in the logic low state 3 Choose the logging interval from 1 second to a maximum of 18 hours 12 minutes and 15 seconds available for Pulse or Runtime logging only 4 Choose when to start logging e Now Logging begins immediately At Interval Logging will begin at the next even interval e Push Button Logging will begin once you press the Start Stop logging button for 3 seconds On Date Time Logging will begin at a date and time you specify 5 Choose when to stop logging e When Memory Fills Logging will end once the logger memory is full e Never wrapping The logger will record data indefinitely with newest data overwriting the oldest e Push Button Logging will end once you press the Start Stop logging button for 3 seconds Note If you also configured a Push Button start then you must wait 5 minutes after logging begins before you can use the button to stop logging e Specific Stop Date Logging will end at a date and time
8. on for Event State Data The logger s storage capacity and logging duration varies depending on several factors including logging interval number of channels configured and the type of data being recorded This table estimates the logging duration based on recording event or state changes on one input channel with logging set to stop when the memory is full To estimate logging duration for multiple event or state channels divide the logging duration by the number of active channels If you want to know exactly how long the logger will run use pulse or runtime modes Time Approximate Approximate Between Total Data Logging Duration Logger Part Events Points 1 Year Battery Life Number 1to 15 346 795 4 to 60 days UX120 017 seconds 2 749 781 32 days to 1 3 years UX120 017M 16 seconds 260 096 48 days to 2 1 years UX120 017 to l 4 2 minutes 2 062 336 1 to 16 6 years UX120 017M 4 3 to 68 2 208 077 1 6 to 27 years UX120 017 minutes 1 649 869 13 to 214 years UX120 017M 68 3 173 397 22 5 to 360 years UX120 017 minutes tO 18 2 hours 1 374 891 17 8 to 285 decades UX120 017M Notes e Typical battery life is 1 year e The logger can record battery voltage data in an additional channel This is disabled by default Recording battery voltage reduces storage capacity and is generally not used except for troubleshooting Setting Maximum Pulse Frequency When recording raw pulse counts the logger dynamically adjusts its memory usage from 4
9. onsetcomp com Battery Information The logger is shipped with two AA alkaline batteries You can also use 1 5 V AA lithium batteries when deploying the logger in cold environments Expected battery life varies based on the temperature where the logger is deployed and the frequency the logging interval and the rate of state changes and or events at which the logger is recording data A new battery typically lasts one year with logging intervals greater than one minute and when the input signals are normally open or in the high logic state Deployments in extremely cold or hot temperatures logging intervals faster than one minute or continuously closed contacts may reduce battery life The logger can also be powered through the USB cable connected to the computer This allows you to read out the logger when the remaining battery voltage is too low for it to continue logging Connect the logger to the computer click the Readout button on the toolbar and save the data as prompted Replace the batteries before launching the logger again To replace the batteries 1 Disconnect the logger from the computer 2 Unscrew the logger case using a Philips head screwdriver 3 Carefully remove the two batteries 4 Insert two new AA batteries alkaline or lithium observing polarity When batteries are inserted correctly all LEDs blink briefly 5 Carefully realign the logger case and re fasten the screws A WARNING Do not cut open inc
10. to the location where you will mount it to connect the external sensors devices and test the connections before logging begins Logger Components and Operation LEDs Start Stop Button 1 Connect the logger and open the Launch window To USB Port connect the logger to a computer plug the small end of the USB cable into the side of the logger and the large end into a USB port on the computer Click the Launch icon on the HOBOware toolbar or select Launch from the Device menu Important USB specifications do not guarantee operation One of Four Terminal Blocks Test Button Mounting Holes outside this range of 0 C 32 F to 50 C 122 F 2 Select Sensor Type Each of the input channels can be Start Stop Button Press this button for 3 seconds to start or configured to log the following stop logging data This requires configuring the logger in HOBOware with a Button Start and or a Button Stop see e Pulse This records the number of pulse signals per logging Setting up the Logger You can also press this button for interval the logger records a pulse signal when the input 1 second to record an internal event see Recording Internal transitions to the logic low There are built in scaling Logger Events factors you can select for supported devices and sensors or you can set your own scaling when you select raw pulse counts You can also adjust the maximum pulse frequency and lockout time as necessary LEDs Th
11. ved a command to stop recording data from HOBOware or by pushing the Start Stop button Button Up Button The Start Stop button was pressed for Down 1 second Safe Shutdown The battery level is 1 8 V the logger shut down Mounting the Logger There are three ways to mount the logger using the materials included e Screw the logger to a surface with a Phillips head screwdriver and the four mounting screws using the following dimensions H 10 16 cm 4 inches a2 or SS Lw SN PAPAE OCG GIAG Wy SY N a Nar StOp 4 57 cm 1 8 inches e Attach the two magnets to the back of the logger and then place the logger on a magnetic surface e Use the hook and loop tape to affix the logger to a surface Protecting the Logger The logger is designed for indoor use and can be permanently damaged by corrosion if it gets wet Protect it from condensation If it gets wet remove the battery immediately and dry the circuit board It is possible to dry the logger with a hair dryer before reinstalling the battery Do not let the board get too hot You should be able to comfortably hold the board in your hand while drying it Note Static electricity may cause the logger to stop logging The logger has been tested to 4 KV but avoid electrostatic discharge by grounding yourself to protect the logger For more information search for static discharge in the FAQ section on
12. you specify 6 Select any other logging options as desired and finish the launch configuration Depending on the start type verify that the logging or waiting LED is blinking Connecting Sensors Transducers or Instruments to the Logger You can connect the logger to an external sensing device using the four input channels To connect a device to the logger 1 Follow the instructions and wiring diagrams in the user manual for the device 2 Connect the device to the terminal block as directed in the device instructions 3 Plug in the terminal block into one of the four inputs labeled 1 through 4 4 Press the Test button as needed to activate the Activity LEDs and check whether the logger reads the pulse signal 5 Configure logger launch settings if you have not already Notes e Be sure that all devices are connected before logging begins Any sensors devices attached after logging begins will not record accurate data e f connecting an E50B2 Energy amp Power Meter T VER E50B2 you have the option to use the default meter settings or your own custom settings e If any channels have been configured to record raw pulse counts or events in HOBOware there is also an option to specify lockout time This can prevent false readings from mechanical contact closure bouncing For more information on setting lockout time see the HOBOware Help HOBO 4 Channel Pulse Input Data Logger Manual Determining Logging Durati
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