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www.cometsystem.com

 

 

 

 

 
 

 
 

User‘s Guide

 

 
 
 

U0110M 
U0121M 
U0141M 
U0141TM 
U0843M 
U3120M 
U3121M 
U3631M 
U4440M 
U5841M 
U6841M 
U7844M 
U8410M 

 
 

GSM modem dataloggers

 

 
 
 
 
 
 

 

 

Summary of Contents for U0110M

Page 1: ...www cometsystem com User s Guide U0110M U0121M U0141M U0141TM U0843M U3120M U3121M U3631M U4440M U5841M U6841M U7844M U8410M GSM modem dataloggers...

Page 2: ...s r o All rights reserved The COMET SYSTEM s r o company is continuously developing and improving its product COMET SYSTEM s r o reserves the right to carry out technical changes in equipment or prod...

Page 3: ...from a program Configuration 28 APPLICATION NOTES 38 RECOMMENDATIONS FOR OPERATION AND MAINTENANCE 41 TECHNICAL PARAMETERS 44 Power supply 44 USB communication interface 45 Measuring data storage and...

Page 4: ...ues will be overwritten by fresh ones after the memory unit getting filled up to set up two alarm signalling limits for each quantity to be measured The alarm signalling can be realised visually optio...

Page 5: ...IE LGR UxxxxM 22 5 Datalogger UxxxxM U0141M model...

Page 6: ...gs to chemicals or mechanical shocks Use soft tissue for cleaning Do not apply solvents or similar aggressive agents Battery damage Should the battery casing get damaged or should the whole device get...

Page 7: ...e quantity and safety of the message delivery For some tariffs the message delivery may be stopped when a certain number of messages or amount of transferred data is exceeded or when a given time peri...

Page 8: ...ling the PPP connection Installing the datalogger placing the probes Choose a suitable location for installing the device bear in mind that the environmental conditions should be concordant with the O...

Page 9: ...You can fix the device on the wall with the aid of a lockable holder LP100 optional accessory Probe installation and cable routing observe the installation instructions realize the recommended operat...

Page 10: ...splay mode you can switch over between individual channels and the display mode Current minimum maximum values by means of the keys By pressing a certain key combination you will enter a menu in which...

Page 11: ...he display of the device usually within 6 hours Maintenance and regular checks for a reliable functioning of the device it is advisable to perform its regular check ups For more details refer to Recom...

Page 12: ...d to it optical and acoustic signalling sending SMS messages The memory occupancy is about 75 the device is in the non cyclic recording mode i e the recording will be stopped as soon as the memory cap...

Page 13: ...ore switching OFF It can be preset in the device configuration whether and in what manner these Min Max values will be displayed by the device Remember that the Min Max in question are different from...

Page 14: ...tery the battery is fully charged and the charger can be disconnected A failure has been detected during charging and the charging process has been broken off Try to remove the failure by disconnectin...

Page 15: ...oggle the screens automatically in for about 5 sec interval The cycle can be interrupted by pressing a key If you do not want to use the keypad you can disable it in the device settings Display warnin...

Page 16: ...an 20 s the menu will close automatically Menu items Deactivation of the optical LED diode and or acoustic the intermittent tone alarm signalling The option Mute optical and or acoustic signalling are...

Page 17: ...a temperature change The device is placed directly in the measured area During the charging period the measurement accuracy may be affected by up to 1 C due to parasitic heat U0121M Two channel therm...

Page 18: ...ot exceed 15 m The use of shielded cables is strongly recommended The U0141M has a high degree of IP67 protection and probes with the connector Pt1000 E can be connected to it To maintain the IP ratin...

Page 19: ...st 1 s Binary inputs of this device are not able to capture connected disconnected voltage status Input signals are connected to a pluggable terminal block The response to a temperature change depends...

Page 20: ...level of GSM signal at the installation location As the internal battery creates a parasitic heat during the charging period the measurement accuracy may be affected by up to 1 C We recommend calibra...

Page 21: ...no rapid change in temperature or relative humidity and there is no condensation of water vapours If water vapour condensation occurs inside the datalogger then the resulting water will remain there...

Page 22: ...ce is placed directly in the measured area while the installation needs to ensure sufficient level of GSM signal at the installation location As the internal battery creates a parasitic heat during th...

Page 23: ...itor voltage signals or signals coming from a dry contact The binary input changes are registered immediately irrespectively of the recording interval setting To safe record the input status the signa...

Page 24: ...20 mA can also be measured with current inputs without any problems Binary input serves to monitor voltage signals or signals coming from a dry contact The binary input changes are registered immedia...

Page 25: ...1 s Unlike the U0843M model binary inputs can capture connected disconnected voltage status The counter states are recorded according to the set Record interval Input signals are connected to a plugg...

Page 26: ...e front and side of the unit The device is placed directly in the measured area while the installation needs to ensure sufficient level of GSM signal at the installation location In battery mode this...

Page 27: ...iews of registered data user defined online display export into a database etc The starting point for the program control is the menu situated in the left optionally right portion of the utility softw...

Page 28: ...ck on the Configuration button The device configuration will be downloaded you will be able to view it If you change the setup of some item the SW will pass over into the editing mode The other users...

Page 29: ...he datalogger local current time is running according to your setting By means of the UTC Offset choice you can fix its relation to the UTC This information will be available for all time data provide...

Page 30: ...kes place every time at integer multiples of the pre set interval For example if you switch the device on at 5 05 and the recording interval has been set to 1 hour the first data will be recorded at 6...

Page 31: ...the device display not the measurement and recording An example of user defined calibration for a sensor having a 4 to 20 mA current output The sensor is connected to the datalogger s current input t...

Page 32: ...device Optical signalling LED acoustically Activate internal acoustic signalling or by sending a alarm text message to up to four selected recipients when alarm occurs disappears send SMS to selected...

Page 33: ...during the time when the measurement values lie outside the allowed limits As soon as they return inside the allowed limits the alarm will cease In some cases it is desirable for the user to be inform...

Page 34: ...s optical by means of a LED diode acoustical or it may be realized by sending a warning SMS message up to as 4 selected recipients Alarm events System failure _______________________ These panel choic...

Page 35: ...Before sending a message the daily limit value will be ascertained Should the limit value be reached the respective recipient will receive a message indicating that the daily limit of the outgoing mes...

Page 36: ...dvantage is that larger reports can be divided into several messages These messages will not be sent out if no recipient has been chosen Determine which recipients the informative Keep alive text mess...

Page 37: ...ET Cloud system You can then extend this trial period by purchasing a Top Up Voucher for COMET Cloud code SLU503 If the user wants to realize his own collection system the manufacturer can offer php s...

Page 38: ...the device frequently then its keypad and both functions i e device switching on and off from the keypad must be enabled in the device settings Another option is to set the date and time when you wan...

Page 39: ...be used that is not longer than 5 m Check that all connectors are properly seated It is especially the USB C connector that must be properly pushed into the receptacle Cable disconnecting and subseque...

Page 40: ...the blue LED flashes quickly but it does not pass over to a slower frequency then the modem probably failed to be registered in the network Make sure there is sufficient signal strength near the anten...

Page 41: ...positioning Adhere to principles and procedures mentioned in this manual Try to choose such a place to position the device where the negative influence caused by environment is as low as possible Whe...

Page 42: ...rticular application and the user s internal regulations In fixed installations following checks are recommended to be performed Metrological verification Regular checks fixed by the user Judgement of...

Page 43: ...________ Engineering support and service activities are provided by the device distributor His contact person s address is given in the Certificate of warranty included with the product WARNING Unskil...

Page 44: ...cessary Battery charger __________________________________ Recommended charger type Commonly used chargers such as mobile phone chargers with a USB type C connector such as Sunny SYS 1561 1105 Maximum...

Page 45: ...ng process only runs when the internal temperature ranges between 0 C and 40 C USB communication interface Compatibility USB1 1 USB 2 0 USB3 0 Connector USB C Measuring data storage and real time circ...

Page 46: ...and 850 900 1800 1900MHz GPRS Mobile Station Class B Compliant to GSM Phase2 2 Class 4 2W 850 900MHz Class 1 1W 1800 1900MHz Antenna connection Connector SMA female Impedance 50 Antenna gain 3 dBi max...

Page 47: ...2 x temperature sensed by an external COMET Pt1000 E series probe Temperature range 200 to 260 C Pt1000 3850 ppm sensor Measuring current approx 0 5 mA with pulses of approx 60 ms length Input accura...

Page 48: ...ement value in a range of 100 to 260 C The accuracy of the device with a temperature probe connected to it is determined by the above input accuracy and the accuracy of the probe employed Connection T...

Page 49: ...ithout the need for configuration Voltage levels L level input voltage 0 8 V H level input voltage 2 V Minimum voltage applicable 0 V Maximum voltage applicable 30 V DC The voltage necessary for estab...

Page 50: ...___________ Measured values Internal temperature relative humidity Dew point temperature calculated from the internal temperature and relative humidity Ranges Temperature 20 to 60 C Relative humidity...

Page 51: ...connected Digi E series probe Response time Is determined by the response time of the used probe it valid if Measuring interval is set to 1 s Connection Digi E series probe The probe is provided with...

Page 52: ...measured value in the range 100 C to 260 C The precision of the device with the connected temperature probe is determined by the above mentioned precision of input and accuracy of the probe used Conn...

Page 53: ...y Ranges Temperature 20 to 60 C Relative humidity 0 to 100 RH without permanent condensation 2 Barometric pressure absolute 700 hPa to 1100 hPa Concentration of CO2 in the air 0 to 5000 ppm Dew point...

Page 54: ...____________ Measured values 3 x voltage 0 10 V 1 x binary input This input can be configured to voltage or a dry contact with open collector transistor acceptance Unlike the U0843M model this input c...

Page 55: ...ture connected disconnected voltage status Range and input levels Current input Range 0 to 20 mA DC Accuracy 20 uA Resolution better than 1 uA Input resistance approx 100 Minimum current 0 mA open cir...

Page 56: ...ansistor These counting inputs can be used as additional two binary ones Input levels Binary or counter input configured for voltage measurements Input voltage for the L level 0 8 V Input voltage for...

Page 57: ...he air Ranges Concentration of CO2 in the air 0 to 5000 ppm it is possible to deliver the device with the range of 0 to 10000 ppm as optional Accuracy CO2 concentration in the air 50 0 03 MV ppm CO2 a...

Page 58: ...pressure 700 to 1100 hPa for models with CO2 sensor 600 to 1100 hPa for other models Operating environment chemically non aggressive Storage temperature 20 to 45 C Storage humidity 5 to 90 RH Mechanic...

Page 59: ...evice cover screws must be properly tightened the USB connector must be provided with a closing cap and all connector screws must be tightened A connector that is not used must be provided with a clos...

Page 60: ...60 IE LGR UxxxxM 22 Dimensions U0110M U8410M U0121M...

Page 61: ...IE LGR UxxxxM 22 61 U0141M U3120M U4440M...

Page 62: ...62 IE LGR UxxxxM 22 U3121M U3631M...

Page 63: ...IE LGR UxxxxM 22 63 U0141TM U0843M U5841M U6841M U7841M...

Page 64: ...t available Error 11 No valid data of the counter batteries missing in the device Reset the counter content by means of the SW repeat the measurement Error 13 Error 14 Error 15 CO2 concentration senso...

Page 65: ...junction temperature measurement error Check if the internal temperature measurement channel is turned on for measurement Error 50 Error 52 Error 55 Device configuration failure corrupted configurati...

Page 66: ...the supplied SP013 or a screwdriver corresponding to the size insert a screwdriver into the pluggable terminal block s angular opening situated above the circular opening Open the connector by turning...

Page 67: ...perature humidity according to the device type Overview of available the Calculated channels by the device type named as Calculated Note All channels of the device U7844M are occupied so no calculated...

Page 68: ...ssage length then they will be divided into multiple messages Format of alarm SMS message from measured value Description of the device DescDev max 32 chars enter Name of the measured location max 16...

Page 69: ...e 4 ASCII chars Space 1 ASCII char Memory occupation 1 byte i e 2 ASCII chars Space 1 ASCII char Alarm I states on all chan 1 byte i e 2 ASCII chars Space 1 ASCII char Alarm II states on all chan 1 by...

Page 70: ...ry occupation CR LF 2 chars information about the state of the battery CR LF 2 chars information about the level of the GSM signal CR LF 2 chars inserts the current time of the device CR LF 2 chars Wa...

Page 71: ...JSON or SMS Modem starts and tries to find mobile signal and check its level If signal is not detected modem turns off and waits an idle time for next connection attempt is increased dynamically It me...

Page 72: ...ving server can receive data with bigger delay If you want to set time stamps for received data by server s receiving time it is recommended to use Delete unsent data option It will ensure that receiv...

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