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ML-x17 DATA LOGGER MANUAL

Manufacturers of low power instruments

page 100

4.38 Digital inputs

The ML-x17 is equipped with 3 digital input(s). These inputs are interrupt-driven what means that they
activate the data logger to wake up when sleeping, and that a signal-change on the input is never missed.
So, these inputs are ideal to use for counting events (like the pulses from an energy-meter or a rain
gage), or to set an Alarm state (e.g. level or float switch). The signal level needs to be zero volts and 3.6
volts (“0” level and “1” level). The inputs are “5 Volts tolerant” So standard 5 Volts signals are also OK.
Any other voltage needs to be adapted to the right range, before connecting. The user can select whether
the input has to be “pull-up” or “pull down”

4.38.1 Pull up type

The pull up type of input means that there is an internal resistor (40 K) mounted between the input and
the Vcc Power supply. So, when NO signal is connected, the input will be logical high. This type of inputs
is very convenient for use with “

” systems or “NPN outputs”

4.38.2 Pull down type

The pull up type of input means that there is an internal resistor (40K) mounted between the input and the
ground. So, when NO signal is connected, the input will be logical low. This type of inputs is very
convenient for use with “active output” systems or “PNP outputs”

4.38.3 Electrical specifications Digital inputs

Below table give an overview of the Electrical specifications of the Digital inputs
Vil is logical low level
Vih is logical high level
Pull up/ down resistors are 40 k typical.

lect

Parameter

Min

Max

Vil

0V

1.25V

Vih

1.67V

5 V

Impedance

30K

50K

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Содержание ML 17 Series

Страница 1: ...ML x17 DATA LOGGER MANUAL Manufacturers of low power instruments page 1 Type ML x17 Low power 2G 3G 4G data loggers Title User Manual ML x17 Date July 2022 Version FW V4 6B4...

Страница 2: ...logger prepares you to install it and tells you how to put it into operation The Chapter Operating Basics covers basic principles of operation of the data logger The operating interface menu and the t...

Страница 3: ...5 4 1 2 4 Data filter 25 4 1 2 5 Max payload 25 4 2 Parameters 25 4 2 1 Name 26 4 2 2 Code 26 4 2 3 Unit 26 4 2 4 Value factor 26 4 2 5 Value offset 26 4 2 6 Decimals 26 4 2 7 Data log 26 4 2 8 Data o...

Страница 4: ...2 Sample interval 37 4 10 3 Battery Capacity 37 4 10 4 Battery Replaced 38 4 10 5 Rest Capacity 38 4 10 6 Rest power 38 4 10 7 Processor Temperature 38 4 10 8 Average Voltage 38 4 10 9 Max Voltage 38...

Страница 5: ...andard deviation change 47 4 17 1 2 Percentiles 47 4 18 Calculation Channels 47 4 18 1 Syntax 49 4 18 2 Functions 49 4 18 3 Example 1 49 4 18 4 Example 2 49 4 18 5 Supported mathematical functions wit...

Страница 6: ...4 19 2 14 Measurement ready status 55 4 19 2 15 Measurement ready after 55 4 19 3 Generic ASCII 56 4 19 3 1 Log raw data String 56 4 19 3 2 Decimal symbol 56 4 19 3 3 Separator Character 56 4 19 3 4...

Страница 7: ...ime slot 69 4 20 7 Display 70 4 20 7 1 Power down delay 70 4 20 7 2 Order of parameters 71 4 20 1 Accessory port tunnel 72 4 20 1 1 Port settings 72 4 20 1 2 Sensor power 72 4 21 Modem output Email 73...

Страница 8: ...ameter order 87 4 29 3 Measurement list 88 4 29 4 Output list 88 4 29 5 Alarm list 89 4 29 6 Alarm limits 89 4 30 Maintenance Menu 90 4 30 1 Field Testing 90 4 30 1 1 Verify Analog inputs 90 4 30 1 2...

Страница 9: ...42 1 1 Header 106 4 42 1 2 Parameter Code 106 4 42 1 3 Parameter Name 106 4 42 1 4 Parameter Unit 106 4 42 2 D Records 107 4 42 2 1 Parameter Code 107 4 42 2 2 Parameter value 107 4 42 3 System record...

Страница 10: ...5 5 1 1 3 Potentiometer input 125 5 1 2 RS485 A B 125 5 1 3 Power Switch 125 5 1 4 VBAT 125 5 1 5 RS232 RX TX 125 5 1 6 SDI 12 Hi 125 5 1 7 Digital inputs 125 5 1 8 3V6 126 5 1 9 Antenna placement and...

Страница 11: ...ut and digital inputs They can also be provided with RS232 RS485 SDI 12 port to capture serial data ASCII MODBUS RTU ASCII NMEA 0183 SDI 12 or to connect an accessory Camera Display GPS Satellite mode...

Страница 12: ...Description Remarks ML x17TFT z With 5 analog 3 digital inputs serial port TFT display cover on accessory port ML x17ADS z With 5 analog 3 digital inputs serial accessory port ML x17AD z With 5 analo...

Страница 13: ...TFT CAM etc 6 Analog input port 7 RS232 RS485 SDI 12 Port 8 Digital input port 9 12 V Sensor Power Output Alarm Output connector 10 Hexaband antenna for 2G 3G 4G communications 11 U FL Connector for...

Страница 14: ...he configuration and network settings must also match to those supplied by the SIM card provider The pin code of the SIM card must be removed prior to insertion in the data logger To prevent problems...

Страница 15: ...charges could cause invisible damage This endangers long term stability and proper operation 2 4 Power on for the First time In the factory the data logger is programmed with the necessary system info...

Страница 16: ...information see the reference Example Let s Configure an ML 317ADS for operation with the following Analog pressure transmitter 4 20mA CT2X conductivity temperature sensor INW FTP data output EMAIL d...

Страница 17: ...C 2 Data log interval 00 10 00 3 Timestamp round down 00 01 00 Avoid equal timestamps Off 5 Continuous alarm sampling Off 6 Direct data output on data alarm Off 7 Alarm output port Disabled 8 Battery...

Страница 18: ...els or continues alarm sampling 3 Set the parameter name 4 Set both minimum option 6 and maximum option 7 values of your sensor at 4mA and at 20mA If you don t know those values you could determine th...

Страница 19: ...ways consult the manual of your sensor first In this case the address of the sensor is 1 This sensor measures two parameters Temperature and conductivity So we need to look up two register addresses T...

Страница 20: ...sec Just to be sure we choose to sample at the data log interval Consult the manual of your digital sensor and check the response time The sample interval must be larger than the response time of the...

Страница 21: ...ight be because your SIM requires manual APN settings please ask your provider for the correct settings first APN test Modem full power Please wait ATE0 CMEE 2 CCLK 15 11 26 14 26 21 00 CFUN 5 CPIN CP...

Страница 22: ...xample Go To menu option 6 internal sensors 0 Exit 1 Name Email 2 Send interval Normal 01 00 00 Alarm Not Used 3 Send delay Not Used 4 SMTP Server smtp provider com 5 SMTP Port 25 6 User name reh6a01...

Страница 23: ...ssigns processor time to the different tasks Each task is executed on its own interval To understand more about this Fist we explain the different intervals There are three different intervals 1 Sampl...

Страница 24: ...interval So in this example this is 3 hours 4 When Data Send interval is reached the data logger will wake up and starts to send the previously collected data stored on the SD card to the server So i...

Страница 25: ...column order of the CSV file follows the order of the parameter list see chapter Parameter overview We prefer native or JSON format as it can contain data as well is diagnostic info 4 1 2 4 Data filte...

Страница 26: ...Decimals The numeric precision of the value displayed and stored on the SD card of course not the real life precision only the numeric presentation 4 2 7 Data log Setting which enables the storage of...

Страница 27: ...of the parameter to the SD card When set to on it will store an unscheduled data log in a single data record and the passing of the alarm limits in a system record 4 2 11 Alarm output Setting which s...

Страница 28: ...and time manually If pressed enter the existing system data time is displayed 4 3 2 System Information A read only menu section which displays all specific details about the data logger an example is...

Страница 29: ...creenshot of the configuration setup is displayed Each item is explained below including sub items Configuration setup 0 Exit 1 General settings 2 Modem settings 3 NTP time update Not used 4 Alarm mes...

Страница 30: ...arm sampling Off 6 Direct data output on data alarm Off 7 Alarm output port Disabled 8 Power supply board ML PB LFP 9 Battery protection lifespan Rechargeable LFP A Permanent SD storage Data Diagnosti...

Страница 31: ...econds to finish data reading and as a result you get timestamps like 12 50 07 If you want to round it down to 12 50 00 you can set the round down to 10 seconds 4 5 5 Avoid equal timestamps A log file...

Страница 32: ...ve previously chosen a matching power supply board Choose LFP when using LiFePO4 3 2V batteries in this mode the data logger will not start if the voltage is below 2 8V giving a DC source e g solar pa...

Страница 33: ...clock to summer time conventions Worldwide there are multiple conventions and therefore the user can adjust it to manually Also a couple of preprogramed summertime conventions are selectable Europe U...

Страница 34: ...CP based TCP based communication requires a certain network performance which is not everywhere guaranteed by NB IoT it s a matter of trying 4 6 3 APN settings Please perform an APN login test first I...

Страница 35: ...Manually forces device to update time via NTP in order to test the feature 4 8 Alarm messages Alarm messages can be send as SMS by e mail or MQTT you have to choose one of the drivers To use e mail or...

Страница 36: ...o add additional pre processed sensors inputs ML OO Auxiliary Output boards can be used to add additional outputs e g open collectors ML OU BLE to add a Bluetooth LE user interface for Android ydocTer...

Страница 37: ...lable to add additional counters digital thermometers humidity sensors etc 4 9 4 ML OO Auxiliary outputs These boards are equipped with their own processor running their own firmware to do specific si...

Страница 38: ...ensor for approximation measurements And also for diagnostic measurements 4 10 8 Average Voltage The voltage of the connected battery averaged to get a real practical value 4 10 9 Max Voltage Battery...

Страница 39: ...unction 2 calibration points This is an automated function to help the user to set the right conversion function into the data logger This feature will determine the same function as described above b...

Страница 40: ...because they are interrupt driven There are several modes of operation on a digital input counting pulses generating alarms counting on time recording states or trigger actions Below a menu of the se...

Страница 41: ...bucket rain gauge 4 12 2 2 Pull down In this mode a resistor is connected from the input to the ground of the data logger So in order to create an event the external device must drive the input with...

Страница 42: ...for a certain amount of time end detection time The start time will be logged with a 0 value and the end time time of last pulse in the period will be logged with the time past since the start time R...

Страница 43: ...t handles the signal differently This driver can be used to initiate an instantaneous action 4 14 1 Trigger mode The action that should be performed when the digital input is asserted Taking measureme...

Страница 44: ...counts the On time over a log interval only By applying a factor you can record this interval in minutes or seconds if you like 4 15 5 Input state Use to record the state of the input at every log in...

Страница 45: ...16 2 Signal bars A comprehensive presentation of the quality of the sensor the network coverage at your installation site 0 bars no reception it will not work The system will work from 1 bar and above...

Страница 46: ...a reed switch based anemometer self powered like a pyranometer or negligible like a 20KOhm wind vane potentiometer The power draw is about reversed proportional to the sample interval a twice longer i...

Страница 47: ...nd oldest value over the aggregation period and scaled to a rate in unit per hour 4 17 1 2 Percentiles It s also possible to define up to 3 different percentiles in ascending or descending order E g t...

Страница 48: ...General settings YDOC6721BK 2 Modem settings 3 NTP time update Used 4 Alarm SMS Not used 5 Option boards Not used 6 Internal sensors Internal 7 Analog sensors Potentiometer 8 Digital sensors Digital...

Страница 49: ...O HI and HIHI in your calculations When an input value is acquired successfully it will be timestamped you can use the AGE attribute to check the age of a value in seconds since the last valid acquisi...

Страница 50: ...3 ln x returns the natural logarithm of x 4 18 5 4 exp x calculates the exponent of e to x 4 18 5 5 log x returns the base 10 logarithm of x 4 18 5 6 sin radians returns the sinus of radians 4 18 5 7...

Страница 51: ...reminder of x y 4 18 6 3 pow x y returns x to the power of y 4 18 6 4 clip x min max returns x clipped between min max Example clip 5 0 100 returns 5 Example clip 10 0 100 returns 0 Synonym If x min...

Страница 52: ...onym if x y return q else return p 4 18 8 3 le x y q p returns q if x smaller or equal than y else return p Example le 1 2 3 4 returns 3 synonym if x y return q else return p 4 18 8 4 gt x y q p retur...

Страница 53: ...s very often adjustable with the aid of a configuration tool of the sensor s manufacturer So the user can change this according to its need You can build a multi sensor network by using unique address...

Страница 54: ...ytes signed DWORD 2 register 4 bytes unsigned Integer 2 register 4 bytes signed Float 2 register 4 bytes IEEE754 Double 4 register 8 bytes IEEE754 All multi register data types are also available for...

Страница 55: ...ter and its expected value indicating when a maintenance cycle is concluded 4 19 2 12 Maintenance ready after If the device does not support a maintenance ready status register please indicate how lon...

Страница 56: ...ce 0x20 is used This is the default setting A comma semi colon or tab character are commonly in use as well 4 19 3 4 Start Stop character These define with which character a data sentence starts and t...

Страница 57: ...single character Note a single character will be recorded as a its ASCII numeric value e g A will be recorded as 65 4 19 3 10 Example An NMEA 0183 compliant weather station could output the wind direc...

Страница 58: ...suming GGA2 is the latitude 2nd field position GGA3 is the direction 3th field 83 S GGA4 is the longitude 4th field position GGA5 is the direction 5th field 87 E 4 19 5 RS485 Similar as the RS232 port...

Страница 59: ...sensors are measuring simultaneously The command number is asked by the firmware for retrieving the right data value For more info consult your sensors manual After selecting the right measurement com...

Страница 60: ...ns below _Parameters 4 19 7 1 Port settings Specify it the device is connected by RS485 or RS232 along with its serial communication characteristics baud rate parity 4 19 7 2 Sensor power When the dev...

Страница 61: ...al data to a custom system by cable 4 20 1 1 Send interval The send interval on which the data is send to the radio This can be another send interval than the internal modem has More on send interval...

Страница 62: ...is practical using multiple radio s they must NOT be sending simultaneously The send interval can be the same for each data logger but each data logger must have a different send delay in order to av...

Страница 63: ...By using comport redirect see Maintenance Menu Field testing you can check the signal strength by issuing the AT CSQ command or even try to send a text message with the AT SBDWT command Please downlo...

Страница 64: ...ormed only if data transfer by TCP FTP e Mail or HTTP thru the cellular network is failing You can also specify the number of cellular transmission failures before satellite transfer takes place When...

Страница 65: ...our SwarmDataCollector Java jar see https ydoc biz download YDOC SwarmCollector manual pdf We have implemented two flavours of satellite messages Text and Compacted The body of a Text message contains...

Страница 66: ...ode names with a capital P followed by a number between 1 and 15 The P will be stripped of as well as any trailing characters so you could specify meaning full codes like P1TMP or P02HUM or P15LEV Not...

Страница 67: ...the timeframe in which it waits for a fix These are minimum wait time to fix and maximum wait time to fix Please use these according the specs of your GPS Of course when a position is found within th...

Страница 68: ...lo alarm drift Both limits represent geographical seconds and likewise a box is created with the size of 2 times the latitude hi lo alarm drift by 2 times longitude hi lo alarm drift So this box has a...

Страница 69: ...independent from the normal data logging interval e g once a day Interval 24 00 00 at 9h Shift with 09 00 00 You can also use a digital input to take an instantaneous picture See chapter Digital inpu...

Страница 70: ...ve touch screen display with a resolution of 320 240 pixels Display settings 4 20 7 1 Power down delay This is the time the data logger shuts the display down after not touched anymore With this acces...

Страница 71: ...p to 6 parameters simultaneously organized in two columns and three rows Next and Previous buttons can be used to shift columns in out of view when having more than 6 parameters The columns are ordere...

Страница 72: ...ice thru the screens below _Parameters 4 20 1 1 Port settings Specify the serial communication characteristics baud rate parity of the serial device 4 20 1 2 Sensor power When the device should be pow...

Страница 73: ...t 25 and they don t allow traffic on this port except for their own server Therefore a problem arises So in order to solve that many providers open a second port for SMTP And our data logger is suppor...

Страница 74: ...lt file name is formatted as YDOC_ sysname _ sn _ yy mm dd _ hh nn ss and appended with the file extension txt csv or json You can customize the file name to your liking and use substitutions like sys...

Страница 75: ...l e g a calculated channel that evaluates to an alarm condition in example when a level exceeds x and flow exceeds y The FTP client should place the file with input parameters on the FTP server in the...

Страница 76: ...nly be established if ydocTerminal is running at the scheduled moment When running ydocTerminal will pop up a terminal window a few minutes before the scheduled moment Type of Server ydocTerminal supp...

Страница 77: ...h is 80 by default for HTTP or 443 for HTTPS 4 23 3 Security The data logger supports basic HTTP credentials and data unencrypted or HTTPS using SSL TLS to encrypt credentials and data 4 23 4 Data for...

Страница 78: ...server must honor POST requests from ydocTerminal at the specified URL ydocTerminal will POST the request with content type text x tlr The S N of the concerned data logger is given in the custom HTTP...

Страница 79: ...This is the device ID given by you in your Azure portal 4 24 3 Device Key This is the primary or secondary key in base64 as generated by you in your Azure portal If the generated key is to long to fit...

Страница 80: ...4 25 2 Port The TCP port on which the MQTT broker is listening which is 1883 by default or 8883 for MQTT over TLS 4 25 3 Security The data logger supports basic MQTT credentials and data unencrypted o...

Страница 81: ...is option if your MQTT broker requires it else you won t be able to do remote configuration or over the air configuration updates or firmware upgrades anymore 4 25 7 Data format The MQTT driver can be...

Страница 82: ...fw set where the payload should contain the contents of a FW file YDOC SN cfg set where the payload should contain the contents of a complete binary config file or just some changes by means of tiny...

Страница 83: ...nel can only be established if ydocTerminal is running at the scheduled moment When running ydocTerminal will pop up a terminal window a few minutes before the scheduled moment Type of Server MQTT Ser...

Страница 84: ...After sending data to the serial device the data logger will wait max 3 seconds for reply from the connected device In case of no response the data logger will publish an MQTT message with empty paylo...

Страница 85: ...od used to logon to the TCP server this can be Basic Secure Authentication or AES 128 encrypted When using Basic the credentials are transferred by TCP in plain text This is quick and therefore consum...

Страница 86: ...Log data Each log record will be sent as an individual SMS message Note Independ data logs not part of the regular data log intervals are not include in SMS data output 4 27 3 Data format Each data SM...

Страница 87: ...uration screen e g to change its name or unit 4 29 2 Parameter order This gives an overview of the configured parameters and their units in an ordered list You can change the order of a parameter in t...

Страница 88: ...ameters and their outputs in an ordered list By clicking the character between brackets in front of the concerned parameter brings you directly to the parameter configuration screen e g to change a pa...

Страница 89: ...configuration See example below Alarm list Code Alarm SMS Alarm log Alarm output Alarm samples PM Disabled Off Disabled RPT Disabled Off Disabled TPT Disabled Off Disabled AIN Disabled On On 0 MINVi...

Страница 90: ...er against a well known voltage current source Below a screenshot of this test is shown The internal reference must always be 1 2 Volts 0 1 For using this feature in the field just disconnect your sen...

Страница 91: ...omport redirect This feature allows the user to communicate with the sensor directly It offers a transparent connection from the USB terminal screen to the sensor Baud rate settings can be selected to...

Страница 92: ...al for retrieving the config from your data logger When you like to retrieve a configuration file from the data logger select the option configuration download and use Y modem receive file option Navi...

Страница 93: ...oaded yet Normally the user does NOT use this menu or its options Only when the logger has severe problems this menu can help it is this like the old rescue disk you received with your windows compute...

Страница 94: ...ect a SDI 12 sensor to a RS232 or RS485 port it won t work The use of convertors between RS232 485 and SDI 12 is discouraged because of the high pricing of the convertors and the bad performance see n...

Страница 95: ...r ground It is called asymmetrical because it uses only one wire per signal Therefore it s susceptible for interference and hence the maximum cable length is limited to 15meters Please keep in mind th...

Страница 96: ...has one RS485 port which is capable of driving multiple sensors maximum number of sensors depends on specs from the manufacturer of the sensor a practical figure is 10 The maximum number of slaves def...

Страница 97: ...voltage level if he uses external resistors This is done by a simple voltage divider However this possibility offers a flexible way to expand the range of the instrument this is NOT covered in this ma...

Страница 98: ...rs This input is connected to the internal ADC directely and is translated into a 0 100 value The user has to connect the potentiometer between the 3 30V Vref and ground The ML x17 has a Vref output f...

Страница 99: ...ed as follows IN X1 8 GND X1 6 OUT X1 7 Another application of the use of the potentiometer input is to connect a PT 1000 temperature sensor to the potentiometer input In the appendix is this example...

Страница 100: ...input has to be pull up or pull down 4 38 1 Pull up type The pull up type of input means that there is an internal resistor 40 K mounted between the input and the Vcc Power supply So when NO signal i...

Страница 101: ...evel is reached when the data logger encounters a value which is higher than the high high Limit this is the 2nd and most urgent state of alarming This type of alarming is used for very rare and criti...

Страница 102: ...resis Hysteresis is only used for switching back to the normal mode The amount of hysteresis has an effect on the sensibility of the alarming It is strongly advised to use a certain amount of hysteres...

Страница 103: ...ing level due to vaporization while there is no demand for water or why alarm when water is just over a high limit due to precipitation while there is no forced supply To avoid unnecessary level alarm...

Страница 104: ...ol to send the new firmware to the data logger Don t remove the USB nor power from the data logger When these steps are completed the new firmware is active We recommend the use of the USB connection...

Страница 105: ...the need of a modem firmware it is possible to do so This can be done with the modem mounted on the board in circuit programming The procedure of upgrading modem firmware is not covered in this manual...

Страница 106: ...nd unit of the parameter follow These last 3 elements must be repeated for each logged parameter Example header So the header consists of these elements 1 L 2 Parameter Code 3 Parameter Name 4 Paramet...

Страница 107: ...rmal measurements A system record is made when a deviating situation has occurred for instance when a sensor is not replying to a request from the logger System records are used for monitoring system...

Страница 108: ...cription Remarks T Timeout The sensor did not provide the data logger with a data value and the timeout has expired The previous data value is recorded with the addition of this exception I Data Inval...

Страница 109: ...ter s user defined unit e g C channels code PTi name Processor Temperature unit C code CHx name Channel x unit Unit x code SB name Signal quality unit bars The channels array is for convenience termin...

Страница 110: ...meaning full codes like P1TMP or P02HUM or P15LEV Make sure that the number parts are unique The compacted data is a binary and unreadable format as representing times and values in ASCII format woul...

Страница 111: ...alue 20 0 to 127 Bit 7 6 5 4 3 2 1 0 Following byte bit 7 bits value 27 128 to 16383 Bit 7 6 5 4 3 2 1 0 Following byte bit 7 bits value 214 Bit 7 6 5 4 3 2 1 0 Following byte bit 7 bits value 221 Bit...

Страница 112: ...the sign bit and when set to 1 it indicates that the time difference given in this record should be subtracted from the current timestamp and when 0 added to it 4 44 1 4 Value record Bit 7 6 5 4 3 2...

Страница 113: ...the items concerning Sparkplug B will be detailed 4 45 1 1 Root topic As Sparkplug works with a dedicated topic namespace the root topic of this driver is of no concern to the Sparkplug feature and c...

Страница 114: ...and the previous succeeded transfer session Aliases are used to keep the payload limited in size Note The alias assignments will not change between sessions unless something has changed to the configu...

Страница 115: ...e user definable timestamp 1486144902122 metrics name bdSeq timestamp 1486144902122 dataType Uint64 value 0 name Properties Hardware Make timestamp 1486144902122 dataType String value YDOC name Proper...

Страница 116: ...alias 1 ts 1486144300000 dataType Double value 3 32 alias 2 ts 1486144300000 dataType Double value 14 0 alias 3 ts 1486144300000 dataType Double value 8 7 alias 4 ts 1486144300000 dataType Double valu...

Страница 117: ...ace else the data logger will not interpret the payload as JSON and report an error Objects or members unknow to the data logger will be ignored Supplying invalid values for known members will be igno...

Страница 118: ...cifying 0 will make ai equal to ni wu a number providing the warm up time in seconds of the connected device this is the time needed by the external device to provide stable service after applying pow...

Страница 119: ...ds Driver Settings id MODBUS Current name of the addressed driver ni 0 Set sample interval equal to data log interval wu 10 New warm up time of connected sensor dn Probe 1 New driver name id MQTT name...

Страница 120: ...rain gauge has an internal bucket with a very precise volume It is constructed to tip over when it reaches a specified amount of water The water is drained and while the bucked was turning a magnet tr...

Страница 121: ...ect it and apply a known amount of pulses tot the data logger You can verify this count with the command Ctrl A Shift V Ctrl D When this is correct you can proceed to set up your rain gauge Now you ha...

Страница 122: ...etween the actual counter value and the previous counter value So when your data log interval is set to 10 minutes this parameter shows you the amount of pulses per 10 minutes Every log interval this...

Страница 123: ...take and log a measurement Data logger is transferring GPRS data 220mA Requires a good GPRS signal The data logger is equipped with an internal power monitor During the active mode of the data logger...

Страница 124: ...Positive terminal digital input 1 or wake up line 2 D2 Digital input 2 0 5V Positive terminal digital input 2 3 D3 Digital input 3 0 5V Positive terminal digital input 3 4 GND GND Ground X4 1 12V 100...

Страница 125: ...the driver circuit The signal levels are according to the TIA EIA 485 Standard 5 1 3 Power Switch This is an output to drive one or more sensors It holds a level of 12 Volts and is capable of driving...

Страница 126: ...are tightened and free of moisture Make sure the antenna is in vertical position as the GSM and 2G 3G 4G radio signals are vertically polarize the antenna should be vertical positioned for maximum pe...

Страница 127: ...user demands a high precision measurement the analog interface may be re calibrated after that period High temperature deviations and harsh environment are factors that needed to be considered Please...

Страница 128: ...compliance with the RoHS directive Reduction of Hazardous Substances EU directive 2002 95 EC which means in popular terms that the product is lead free When the data logger is taken out of service dis...

Страница 129: ...og inputs 12 bits Temperature sensor Yes Power Sensor Yes Monitors power consumption rest capacity of battery Option Port One for optional modules Extra I O special boards see website USB port USB 2 0...

Страница 130: ...ML x17 DATA LOGGER MANUAL Manufacturers of low power instruments page 130 10 2 CE Declarations of Conformity...

Страница 131: ...current That s why the load in the picture above is located in the high side The transistor will sink the bottom side of the load enabling current to flow through The user can choose his own voltage...

Страница 132: ...y wrong it must be adjusted If it is totally out of date it designates a RTC problem There should be NO errors on this start up If there are errors contact your local YDOC dealer A screen dump of the...

Страница 133: ...hows the sensor driver name were the watchdog timeout occurred Sensor defect or wrongly connected or warmup time too short WDT MODEM_INIT Watchdog timeout while initializing Modem No response from Mod...

Страница 134: ...ate machine step were the error occurred Unknown SMS_SEND_ERR An error occurred while sending SMS See the Modem ERR WDT message before for more details SMS_SEND_OK Sending of the SMS was successful SM...

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