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Hydro Logger H1

User manual

36

electronics for ecology

FIEDLER

Con-

nection of terminals of galvanic isolator/breaker MIG485

SUITABLE TOPOLOGY

Connecting more than one measuring probe to the unit requires care to ensure
that the connection cable is pulled correctly. It is not advisable to connect a star-
shaped network, but due to the requirements for suppression of reflections, it
is advisable to connect the individual probes in series from the first to the last.

The following diagram shows the use of the MIG485 splitter to create two mu-
tually separated branches. Each branch can be grounded at one point without
balancing the currents through the ground loops due to galvanic isolation.

REST POTENTIALS OF TERMINALS A, B

The potentials of both RS485-A and RS485-B data lines must be voltage defined
on the master side. The wiring of the H1 register unit already contains circuitry
to define the quiescent state of the line: the RS485-A wire is held at a higher
potential than the RS485-B wire by internal resistors.

TERMINATING RESISTORS

Both ends of the RS485 network must be terminated with an impedance close
to the impedance of the cable used to suppress reflections. On the H1 unit side,
both RS485 serial lines are terminated with internal resistors.
In the case of a long line, it is advisable to strengthen this internal terminating
resistor on the H1 side with an additional external resistor of 150 to 330

Ω

loca-

ted between the RS485-A and 485-B terminals. The other end of the RS485 line

should always be supplemented with a terminating resistor. A 220 Ω resistor is

connected between the RS485-A and RS485-B terminals.

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Содержание H1

Страница 1: ...Small telemetry station for water applications H1 H2 Hydro Logger user manual version 1 10 ...

Страница 2: ...Hydro Logger H1 User manual 2 electronics for ecology FIEDLER ...

Страница 3: ...ITS LOCATION 25 4 4 CONNECTING SENSORS AND TRANSDUCERS 28 5 BASIC CONTROL OF THE DEVICE 37 5 1 CYCLIC DISPLAY OF MEASURED VALUES 37 5 2 SWITCHING ON THE INTERNAL GSM GPRS MODULE 39 5 3 EXTRAORDINARY DATA UPLOAD TO THE SERVER 41 6 PARAMETER SETTINGS 42 6 1 MOST PROGRAMME 42 6 2 BASIC PARAMETERS 43 6 3 ANALOG CHANNEL SETTINGS 48 6 4 CONTROL CHANNELS 60 6 5 BINARY CHANNEL SETTINGS 61 6 6 GSM PARAMETE...

Страница 4: ... or equipment must be installed to eliminate this risk All connected downstream equipment must comply with the relevant stan dards and safety regulations and be equipped with suitable anti interfe rence filters and surge protection Do not use in explosion hazardous areas Do not use in areas of excessive vibration The manufacturer is not liable for damages resulting from improper installa tion impr...

Страница 5: ...tion and calculation of rainfall using dynamically calibrated rain gauges The common features of both devices include their own data connectivity via a built in GSM GPRS module and software support on the server allows the Hydro Loggers H1 to form large scale monitoring networks independent of external power supply TYPICAL EXAMPLES OF USE Monitoring of smaller technological equipment WWTP DHW Basi...

Страница 6: ...tched off in normal mode and activated for a certain period of time by pressing a button The logger allows you to set up to 8 recording channels K1 K8 for measuring selected physical quantities and 8 binary channels B1 B8 for recording states on binary inputs In addition to the recording and binary channels the Logger also includes 7 K9 K15 control channels for recording the battery voltage magnit...

Страница 7: ...d procedures The following overview briefly summarizes the program procedures and functi ons contained in the H1 station FW which are fully available to the station users during its parameterization and setup Most of these functions will be described in detail in the Setup chapter Calculation of instantaneous and cumulative flow from pulses from REED and OPTO sensors Calculation and storage of the...

Страница 8: ...erring data to the server via GPRS network periodically in time or after reaching the limit value on the measu ring channel after activation of limit or gradient alarm in case of sensor fault low battery voltage after activation of binary input or on request by query SMS Configurable delay and hysteresis for limit SMS 25 query and command codes to build a query or control SMS Automatic insertion o...

Страница 9: ... The configu ration switch and SIM card holder are accessible from the bottom of the lid There is a flat cable between the two parts This design allows the upper top part to be disconnected from the connection plate during installation making it easier to connect the cables from the sensors to the terminal block The high IP67 rated metal box protects the electronic circuits from external in terfer...

Страница 10: ...m of active stations and a passive server allows the GSM module to be permanently switched off and only switched on when the station requests to transfer measured data to the server or to send a warning SMS This concept allows the station to operate for many years without changing the power battery In a practical test it was tested that the H1 station is able to make up to 2 800 data sessions to t...

Страница 11: ...vidual teleme try stations which themselves determine when the data will be transmitted to the server The system can receive data from multiple stations simultaneously The GSM GPRS modem in the station is switched on only for the ne cessary time needed to transfer data from the station to the server saving power of the power battery If an extraordinary event occurs at the measurement location the ...

Страница 12: ...aged summed or otherwise adjusted data from different real stations in one graph automatic sending of e mails to preset addresses after meeting the set conditions exceeding or dropping of the measured value over the set limits switching on off of the binary channel error conditions SIM CARD RENTAL The owner of the telemetry station can use any SIM card for data transmissions which will be enabled ...

Страница 13: ... to the investment in the equipment of your own server and its regular maintenance This makes the data collection system accessible to users of one or two telemetry stations as well as to operators of a large monitoring network MAP VISUALIZATION In some applications it may be advantageous to display the location of the sta tion and its current sta tus on a map base The status can be both in format...

Страница 14: ...tion After connecting the HydroLogger H1 to a PC notebook the MOST program can be used to perform a complete setup of the instrument parameters reading archived data from the instrument memory and saving them to a file as well as visualizing the actual measured values from the con nected sensors and transducers A certain limitation for the communica tion between the PC and Hydro Logger H1 is the f...

Страница 15: ...f data from connected sensors and sensors remains active in the instrument In hibernation mode a low battery warning appears on the display every time the instrument wakes up by pressing a button If the user has activated a warning SMS in the device parameters when the ba ttery capacity drops a warning SMS will also be sent to the same phone number notifying the user of the transition to the Hyber...

Страница 16: ...e of the external power supply is 15 V DC Higher voltages can cause damage to the protection circuits and to the Hydro Logger H1 s own DC DC converter The external voltage magnitude is periodically measured and sto red in control channel K9 The high efficiency of around 90 and the virtually zero self consumption of the internal inverter do not burden the external power supply with a continuous con...

Страница 17: ...e check that the silicone sealant profile of the lid is not dirty and if necessary lubricate it with silicone petroleum jelly to improve the sealing properties The Hydro Logger H1 should not be installed in areas where the temperature consistently exceeds 30 C as this increases the self discharge of the power ba ttery and shortens its life On the other hand low temperatures below 10 C reduce the c...

Страница 18: ...can be supplied built into one of the IP66 rated protective enclosures These enclosures not only serve to protect the instrument in aggressive wet en vironments but can also be used as a housing for an external 12V 9Ah power supply battery or as lockable protection for the instrument against mechanical damage and vandalism CABINET THALASSA H1 The smallest and most affordable type of cabinet for ho...

Страница 19: ...lastic canopy to the top edge of the cabinet on request Version A Z indicates a cabinet with a lockable handle and IP65 protection CABLE GLANDS The plastic cable glands are located on the underside of the enclosure and are IP67 rated 3x M20 gland cable diameter 3 to 12 mm 2x M16 gland cable diameter 4 to 8 mm 1x pressure compensator On request ARIA32 enclosures can be supplied with a different num...

Страница 20: ...he sealed area and are only accessible when the cabinet door is opened anti theft protection The mounting holes have a horizontal spacing of 155 mm and a vertical spacing of 295 mm and are blinded by the cabinet manufacturer the holes must be punctured with a screwdriver or other sharp tool before installation INSTALLING THE CABINET ON THE COLUMN The substation can be mounted on a pole or mast wit...

Страница 21: ...e the sealed area and therefore do not affect the enclo sure s degree of protection A maintenance free 12 V battery with a ma ximum capacity of up to 45 Ah can be installed in the Schneider enclosure toge ther with the H7 unit CABLE GLANDS The plastic cable glands are located on the underside of the IP67 rated enclo sure 3x M20 gland cable diameter 3 to 12 mm 2x M16 gland cable diameter 4 to 8 mm ...

Страница 22: ...up to 60 mm by means of clamps and two guides placed outside the cabi net in its vertical axis On the side of the cabinet there is a GSM antenna with cable outlet and 2 dBi gain In case of a weak signal it is possible to try swapping it with a pressure compensator which is located on the opposite side of the cabinet CABLE GLANDS The metal cable glands are located on the underside of the enclosure ...

Страница 23: ...on of the Schneider enclosure either the hot dip galvanized ST3 stand or the stainless steel DSS 2 brackets can be ordered for installation of the enclosure on a mast or pole using 20 mm wide Bandimex strips The cabinet is attached to the ST2 or ST3 racks using the 4 supplied M5x30 screws The mounting holes for the screws are accessible when the cabinet door is open and because the screw heads are...

Страница 24: ... mo dule must always be switched off In practice it is sufficient to insert or remove the SIM card in the power saving mode of the device with the display switched off and avoid turning on the GSM module by pressing the control button for a long time 3 sec It is also advisable to know the time of the regular sending of data from the communicator to the server and to avoid this time period when han...

Страница 25: ... cases it is advisable to move the antenna out of the enclosure Reliable GPRS and SMS communication requires a GSM field strength at the an tenna location of at least 25 of the optimum required strength measured by the unit during installation In case of lower signal strength it may happen that some GPRS data sessions will not take place at the set time but only on other days with better condition...

Страница 26: ...se antenna pointing and homoge neity of the electromagnetic field and its use has not been successful in practice Beware of the usual vertical polarization in GSM networks when in stalling directional antennas A small directional antenna 60 cm long together with its bracket can be ordered from the manufacturer of the telemetry set In underground objects such as sumps transfer shafts and similar ob...

Страница 27: ...asured Q value is refreshed at an interval of about 5 seconds To extend the display on time press the button briefly again before exiting the recalled mode By default the device is set so that the display backlight turns off after 1 minute from the last button press and the selected mode after another minute Therefore if you press the instrument button briefly at an interval of less than 1 minute ...

Страница 28: ...essary parameters are selected The setting of recording chan nels is covered in detail in the chapter 6 3 Analog channel settings 4 4 1 Inputs The measuring sensors and transducers are connected to the Hydro Logger H1 via terminals on a connection plate located in the bottom of the metal housing of the instrument to the left of the lithium battery Inputs Type of input Clamp no PV1 PV2 Fast pulse i...

Страница 29: ...by the user when parameterizing the instrument and depends on the type of sensors and measu ring probes connected For sensors and probes connected via RS 485 the lower voltage value is usually set near 6 V and for pressure or level sensors with a 4 20 mA output signal the higher voltage value is usually 15 V The required supply voltage is generated by the integrated DC DC converter in the instrume...

Страница 30: ...ws that sensors with a maximum output frequency of 50 pulses sec can be connected to these inputs The outputs of water meter speed sensors are usually connected to the fast pulse inputs PV1 or PV2 These sensors can be of the OPTO REED or CYBLE type Each fast pulse input is assigned its own pulse counter Each time the set archiving interval expires the coun ter contents are stored in the instru men...

Страница 31: ...inals along with the OPTO sensor power terminals and common GND ground terminals The top row of terminals is reserved for connection of analog current signals and two terminals for bringing in external supply voltage Typical con nection of water meter sensors and ON OFF contact to H1 pulse inputs SLOW PULSE BINARY INPUTS PV3 PV4 The two slow pulse binary inputs are mainly intended for connection o...

Страница 32: ...nsors and probes with current output include mainly strain gauge level sen sors However many other measuring probes and sensors can be connected to the Hydro Logger H1 and H2 via these inputs ranging from pressure sensors to ultrasonic or radar level gauges to inductive flow meters The voltage drop across the AV input measuring resistor can be up to 2 V at 20 mA current When connecting sensors pow...

Страница 33: ...for each protocol for trouble free operation Detailed description of the FINET communication protocol can be found in the APL101 application note in the Downloads Documentation section of the ma nufacturer s website www fiedler company The request to transmit measured values from the probes and sensors to the Hydro Logger H1 is controlled exclusively from the Logger H1 which queries the individual...

Страница 34: ...s the connection of signal grounds on both sides of the interconnect cable for proper operation in order to shut off the current flowing through the data wires back to the exciter Usually this requirement is fulfilled in a short line when the master and slave are located close to each other or have a common supply voltage i e their SGND signal grounds are connected The lack of interconnection of s...

Страница 35: ... reliability of operation e g the MIG485 module The MIG485 isolator splitter enables mutual galvanic isolation of RS485 buses up to 1 kV DC while the individual buses are also isolated from the supply vol tage of the MIG485 isolator The MIG485 module contains two secondary RS485 buses in addition to one primary RS485 bus and can therefore be used not only for galvanic isolation of the buses but al...

Страница 36: ...MINALS A B The potentials of both RS485 A and RS485 B data lines must be voltage defined on the master side The wiring of the H1 register unit already contains circuitry to define the quiescent state of the line the RS485 A wire is held at a higher potential than the RS485 B wire by internal resistors TERMINATING RESISTORS Both ends of the RS485 network must be terminated with an impedance close t...

Страница 37: ...RS network 5 1 Cyclic display of measured values A short press of the button 1 sec causes the display backlight to turn on and starts displaying the status of the set analogue and binary channels The indivi dual measured channels are displayed in cyclic mode with the period set in the parameters see ch 0 The cyclic display period is set by the manufacturer to 3 sec 5 Graphic backlit dis play SMA c...

Страница 38: ...eset time 3 sec The analogue channels Channels A are displayed first followed by the binary channels Channels B The meaning and settings of the individual measurement channels will be described in detail in chapter 6 4 on page 46 Displaying the last set channel will automatically end the display cycle turn off the display and the HydroLogger H1 will enter power saving mode which is its normal oper...

Страница 39: ...motor hours or operating hours The setting of binary channel parameters is described on page 5 60 5 2 Switching on the internal GSM GPRS module A long press of the button 3 sec during the cyclic display of the measurement channels causes the GSM module to switch on If the Hydro Logger H1 manages to log in to the network a suitable SIM card with an unblocked PIN entry requi rement is installed ther...

Страница 40: ...ithin 15 to 20 seconds As the quality and inten sity of the GSM field deteriorates this time increases and in extreme cases the module will not register to the network even within one minute If this situation occurs the GSM module is automatically switched off and a new registration to the GSM network is attempted The number of attempts is a con figurable parameter If the last usually the third at...

Страница 41: ...easured data is transferred to the server the modem is automa tically switched off and the Hydro Logger H1 enters power saving mode Premature termination of the ongoing GPRS data communication can be done by another long 3 sec press of the PRESS button Note The extraordinary data upload to the server can be conveniently used for example to immediately reconfigure the parameters of the Hydro Logger...

Страница 42: ...r windows described in detail in the following text You can get the latest version of the program on the manufacturer s website The MOST program is not included in the standard delivery of the telemetry set BASIC RULES FOR WORKING WITH PARAMETERS After physically connecting the PC to the H1 station via cable or dial up con nection via modems the connection must first be made For this purpose eithe...

Страница 43: ...es as a station identifier on the server and is assigned by the server administrator The identification number is stored toge ther with the data in one data file and thus uniquely identifies the origin of the measured data The parameter can take values in the range 1 65535 Setting this parameter to a non zero integer prevents further parameter chan ges without knowing the password The password val...

Страница 44: ...urements as the basic archiving interval fits within the archiving interval of the recording channel is then stored in memory Station H1 automatically sets the time of the first recording so that regardless of the set archiving interval the recording occurs at the full hour For example if the Archiving Interval is set to 10 minutes and the station starts measuring at the 13th minute of the current...

Страница 45: ...in strument or the operating hours of the instrument when switched on and the length of time that a connected sensor error has been detected appear on the instrument s home screen when the PRESS knob is pressed The displayed data is in days and hours The display of the total on time and the time the measure ment was incorrect is particularly important when measuring flow for billing purposes POWER...

Страница 46: ...ter the power supply voltage is switched on e g ultrasonic level sensor Increasing this parameter shortens the total operating time from a single power supply battery POWER SUPPLY SIGNALLING PARAMETERS The value of this parameter determines the decision level when testing the ex ternal supply voltage If the voltage at terminals 1 Uext and 2 GND drops below this set level the unit s display will sh...

Страница 47: ...and 18 on the connection board Because of the permanent power draw from these terminals connected OPTO sensors should not draw more than 0 1 mA per sensor The recommended critical level for warning sending a warning SMS transfer ring information to the server is twice the rated current of the connected sen sors The C3 control channel contains an indication called Battery Capacity which is expresse...

Страница 48: ...t the appropriate signal type of the connected probe For example when measuring the level in a VDJ with a submersible pressure transducer with standard current output select the method Current Loop 4 20 mA When measuring flow with a propeller water meter using an OPTO or REED sensor select the Pulse measurement method The measurement method called Calculation Functions has an important place in th...

Страница 49: ... be measured archived and displayed Other quantities such as rainfall or battery voltage offer only one set of units An important parameter for determining the resolution of each monitored va riable is the number of decimal places with which the measured variables are to be archived in the selected units of measurement A higher number of decimal places is at the expense of the allowed range An ina...

Страница 50: ...ws several measuring probes to be connected to a sin gle RS485 data pair but they must have different custom communication addresses set beforehand 6 3 2 Overview table of frequently connected sensors and probes In the table starting on the following page you will find selected types of various sensors equipped with RS485 interface together with information about the set basic communication addres...

Страница 51: ...rs PH485 pH meter 6 6 K1 pH 0 01 pH K2 Water temperature 0 01 C K3 pH not temperature compensated 0 01 pH K4 Electrode voltage output 0 01 mV ORP485 re dox meter 7 6 K1 Redox potential 0 01 mV K2 Water temperature 0 01 C ISE485 chlo rine dissolved sensor 7 6 K1 Dissolved chlorine 0 01 mg l K2 Water temperature 0 01 C K3 Electrode voltage output 0 01 mV ISE485 ISE electrode 7 6 K1 Electrode voltage...

Страница 52: ...OK an alarm occurs when the limits are exceeded by a hysteresis The steep alarm requires the input of a single parameter This parameter is called the Steepness Limit and its value indicates the maximum allowable change in the monitored variable over the archiving interval If this parameter is exceeded either by an increase or decrease in the monitored variable in a time less than or equal to the s...

Страница 53: ...toring the current value measured at the end of every 30th mi nute Basic archiving interval 30 min Archiving interval 30 min Example B Store every 60th minute the average value of 6 measurements Basic archiving interval 10 min Archiving interval 60 min Shortening the Basic Archiving Interval parameter below 10 minutes results in faster battery drainage so set this parameter value judiciously This ...

Страница 54: ... in minutes and cannot be greater than the va lue of the base Archiving Interval Fig 2 Detailed record of the measured variable using the Over Limit Archiving Inter val Note The trigger condition for going to the Over Limit Interval archiving of a given channel can be a Limit or Gradient alarm on the channel itself or a Limit or Gradient alarm on any other channel A special trigger condition for a...

Страница 55: ...of water column corre sponding to an output current of 4 to 20 mA set the parameter Max value 6 m The Max value parameter is set for ultrasonic probes type US1200 which send the already measured level directly in mm This parameter can be used to scroll the zero level value The additive coefficient A0 of the correction equation has the same meaning The value of the parameter determines in set units...

Страница 56: ...lta is always intended for zero level displacement The list of measuring points shows the 14 most frequently occurring profi les for measuring instanta neous flow in an open channel with predefined coefficients of the con sumption equation This menu is supplemen ted by the possibility of custom setting of the co efficients of the consump tion equation A0 to A2 op tional profile and the ta bular in...

Страница 57: ... in the station as a multiple of the number of pulses and the weight of one pulse in mm As the intensity of the rain is also of interest the unit automatically switches to a condensed recording after the first pulse with one minute of data stored in memory until the rain stops the set number of minute intervals without pulse ends the rain When setting up this method of recording rainfall select th...

Страница 58: ...nt rain intensities can reduce the error of the measuring boat which fills differently in dripping water and in heavy rainfall when water flows into the boat in an unbroken trickle The calculation of rainfall using the dynamic calibration table is only included in the Logger H2 software The figure shows that from a certain intensity of rain the weight of each pulse the amount of water needed to tu...

Страница 59: ...er selecting refine MOST prompts you to enter another parameter pulse weight The value of this parameter expresses the weight of one pulse in liters The usual pulse value for REED sensors is 100l 10l and for OPTO sensors 1l 2l 4l INSTANTANEOUS FLOW AND LEAKED VOLUME The Hydro Logger H1 continuously calculates the instantaneous flow rate usu ally in l s from the pulse weights and their frequency wh...

Страница 60: ...ls Since the power supply to the sensors is continuous the current draw of the sensors should not exceed 0 1mA so as not to reduce the operating time from a single power battery K13 Ipwr mA The amount of current drawn from the Unap power terminals terminals 3 6 and 10 Analog sensors with 4 20 mA output or probes communicating via RS485 serial interface are connected to these terminals The power su...

Страница 61: ... input is activated and a logic one is recorded in memory along with the time and date of the switching When the pulse ends and the input returns to its normal state a logic zero is stored in memory In some cases it may be appropriate to swap the logic sym bols so that a logic zero is stored at the beginning of the pulse and vice versa For these cases the Negation option is available Option for re...

Страница 62: ...ould be set according to the actual channel occu pancy and the requirements of the station operator The list of codes used in the command line is given in the table on page 2 65 Note The Hydro Logger H1 will also respond to incoming SMS containing indivi dual codes separated by commas after the password The meaning of other parameters will be explained in chapter 6 8 3 List of query and control co...

Страница 63: ... list 6 8 SMS distribution This chapter will describe the setting parameters and SMS types that can be di vided into basic categories SMS sent from the station SMS received at the station Informative SMS Inquiry SMS Warning SMS Control SMS Control SMS Informative and query SMS messages have a common group of codes that de termine the content of the information transmitted from the device to its op...

Страница 64: ...on the GSM tab the time when the informative SMS message is to be sent is set The further parameter determi nes the frequency of the message to be sent It is possible to set monthly wee kly daily sending or to specify any interval adjustable in minutes In case of we ekly and monthly sending it is necessary to set the day of the week month when the sending should be done regularly From the point of...

Страница 65: ...6 8 3 List of query and control codes Hydro Logger H1 does not distinguish between upper and lower case COMMANDS QUERY CODES CAN BE SEPARATED BY A COMMA IN THE QUERY SMS Bk The current value of the binary channel k 1 8 MHk Motor hours of the binary channel k 1 8 Vk Current channel value k 1 17 Sik The sum from the installation of the channel to 1 17 SDk The sum from the beginning of the day channe...

Страница 66: ...S NAME V1 51 12 l s SD3 4255 8 m3 V2 1259 mm U 12 62 V NAME name of the station configurable parameter The station name can be followed by the date and the current time of the unit as information about the time of transmission of the message from the unit to the operator s network In this case it is necessary to have the option Insert event time into the sent message checked in the GSM parameters ...

Страница 67: ... must be used to start every command message The password can be any sequence of up to 12i characters separated from subsequent commands by a comma Another configurable condition for executing the command is that the phone number from which the control message was received is present in the list of stations with SMS reception enabled if the option Receive messages only from senders in the list is ...

Страница 68: ...sage and the current time in the device at the time of sending the SMS Only then is the actual text of the message followed Note in special cases such as sending a message to a special operator number that forwards incoming messages to e mail it is necessary to di sable the automatic insertion of the name tag and time For each message you can select the recipient from a list of authorised persons ...

Страница 69: ... term return of the input to the previous state resets the time counter and the time measurement starts from the beginning Alert SMS activation conditions table Condition Description Exceeding the limit The current value on the control channel has exceeded the Value parameter For the integral variable the SMS can be activated when the num ber of pulses rainfall or flow rate in the current archivin...

Страница 70: ...gnostic channel dis connection The measured value of the diagnostic channel has fallen below the set limit value i e low battery DG4 or external supply voltage DG6 The limit value is set on the first Basic parameter tab in the Power supply and diagnostics section When selecting a control channel MOST will list all occupied channels including their names For the last two activation conditions a lis...

Страница 71: ...nnected flow meter for the last 120 minutes is greater than 20 m3 Parameter settings Set measuring channel K1 to record the instantaneous flow value In the help window under the Advanced button set the actual pulse weight usually 1 l pulse for OPTO type sensors and 10 l pulse or 100 l pulse for REED type sensors Set the free channel e g K6 as an auxiliary channel for the calculation of the running...

Страница 72: ...um channel K6 is set according to the specification in m3 For example set the SMS alert parameters as shown below Warning SMS No 5 will be sent immediately Delay 0 after the sum on channel K6 exceeds the value of 20 m3 The same SMS will be sent again after the value on channel K6 drops below 5 m3 Hysteresis parameter 15 i e 20 15 5 m3 and the sum value on channel K6 increases back to 20 m3 SMS ale...

Страница 73: ...than 50 m3 Set measuring channel K5 to record the instantaneous flow value Set the free channel e g K7 as an auxiliary channel for the calculation of the moving average over 720 min 12 h Themultiplicative coefficientA1 isset to 43 2which is the value correspondingtothe number of seconds in the monitored interval divided by one thousand 12 h x 3600 sec 43200 sec Set the warning SMS in a similar way...

Страница 74: ...e weight accordingto the type of rain gauge connected or adjust it after calibrating the rain gauge by dripping the exact amount of water by the ratio of the expected and actual pulses Set the K4 channel as an auxiliary channel to calculate the running total without archiving the data and without displaying the value on the display Similarly set the other free channels to calculate the sum for the...

Страница 75: ...the communicator battery and the GSM GPRS network as well as the server itself receiving data from multiple stations and would also negatively affect the cost of data services The Internet access point must be selected from the offer presented depending on the type of SIM card used and the operator The optional option also allows you to specify special APNs of private corporate networks or foreign...

Страница 76: ...that the cable glands and the lid of the device are sufficiently tightened The tightening of the cover screws should also be checked after each SIM card or power battery change 7 1 Firmware updates e The manufacturer of the H1 telemetry station maintains updated firmware versions for most of its products on its server www fiedler company in the Fir mware and Utilities partner zone The partner zone...

Страница 77: ...splay after changing the battery and adjust them if necessary The date and time will also be compared automatically the next time the HydroLogger H1 communica tes with the server The power battery is inser ted in the holder inside the device Therefore before replacement remove the outermost plastic screw caps and loosen the 4 corner screws until the lid of the in strument can be removed Remove the...

Страница 78: ...cluding time Main archiving interval From 0 min to 1440 min 1 min increments each chan nel separately Auxiliary archiving inter val From 0 min to 255 min automatic interval switching Motor hour counters Counter with capacity 999 999 h 59 min for bin chan nel Alarms Limit and gradient alarm for each recording channel Calculation of instanta neous flow from pulses Calculation of instantaneous flow f...

Страница 79: ...escent 5mA off 10 uA type Working temperature 25 C to 60 C storage temperature 40 C to 85 C SIM card Mini SIM access by removing the device lid flip out dr Antenna Magnetic dual FME 3 m cable for outdoor location Other parameters GSM module Notice Used lithium batteries can be returned to the manufacturer of the assembly FIEDLER MÁGR Grünwaldova 18 370 01 České Budějovice who has a con tract with ...

Страница 80: ...Hydro Logger H1 User manual 80 electronics for ecology FIEDLER Notes ...

Страница 81: ...Hydro Logger H1 User manual FIEDLER electronics for ecology 81 ...

Страница 82: ...Hydro Logger H1 User manual 82 electronics for ecology FIEDLER Manufacturer FIEDLER AMS s r o Lipová 1789 9 370 05 České Budějovice www fiedler company Tel 420 386 358 274 TXP0220423 110E H1 2 ...

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