Lambrecht PreLOG Operating Instructions Manual
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Lambrecht PreLOG Operating Instructions Manual

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Operating Instructions
Data Logger PreLOG (15190)
Features
PreLOG / PreLOG ECO
•
Memory for up to 65536 measured values
•
Saves pulses / sums of precipitation with timestamp
•
Resolution confi gurable (standard: 0.1 mm)
•
Event-driven recording (no zero values)
•
Integrated debouncing of the reed contact
•
Intensity-dependent correction of precipitation sums
•
Data retrieval via USB
•
Real-time clock
•
Power supply by rechargeable Li-ion battery for 3-5 years (depending on the precipitation intensity and without
a modem)
•
Recharging of the battery via USB port
•
Housing IP65 (plugged-in connector: IP67)
PreLOG
•
Pulse output (not corrected, debounced)
•
Optional external power supply e. g. via solar set
•
RS232 interface for data retrieval and connection to a modem (optional)
•
Optional data transmission via GPRS modem to a appropriate MeteoWare host with static IP address
•
Event-driven alarm function via connectable modem
○
Start / End Precipitation
○
Exceeding of a defi ned max. amount of precipitation since the last retrieval / alarm
○
Exceeding of a defi ned max. amount of precipitation as a moving sum over a defi ned time frame (with
hysteresis)
○
Exceeding of a defi ned max. precipitation intensity (with hysteresis)
(15190) PreLOG
Operating Instructions
1

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Summary of Contents for Lambrecht PreLOG

  • Page 1 Operating Instructions Data Logger PreLOG (15190) Features PreLOG / PreLOG ECO • Memory for up to 65536 measured values • Saves pulses / sums of precipitation with timestamp • Resolution confi gurable (standard: 0.1 mm) • Event-driven recording (no zero values) •...

  • Page 2: Table Of Contents

    8.3.6 Automated Data Reception and Monitoring of Measuring Net- works using MeteoWare Rain full version p. 18 PreLOG-Commander p. 19 Initial Confi guration of a PreLOG – Quickstart S.19 Setup p. 19 9.2.1 Setup - Select Current Station p. 19 9.2.2...

  • Page 3: Scope Of Delivery

    Prevent the ingress of unwanted liquids into the devices. Please note the loss of warranty and non-liability by unauthorised manipulation of the system. You need a written permission from the LAMBRECHT meteo GmbH for changes of system components. These activities must be operated by a qualifi ed technician.

  • Page 4: Dimensional Drawings

    Fig. 01 Mounting You can mount the PreLOG directly to the LAMBRECHT precipitation sensor 15189. Therefore the precipitation sensor is already delivered with the necessary bore or an appropriate 29 - 30 mm bore can be drilled. Ø 29-30 mm Ø...
  • Page 5 Operating Instructions Data Logger PreLOG (15190) Another option is to mount the data logger to a mast with our special mast fi xation from our traverse system Id.-No. 32.14627.001010 (See Fig. 03). PreLOG Fig. 03 (15190) PreLOG Operating Instructions...

  • Page 6: Power And Signal Connection

    Data Logger PreLOG (15190) Power and Signal Connection The PreLOG is connected to the pulse output of the precipitation sensor with the supplied cable. We recommend using the supplied cable connector. This cable connector ensures optimal protection (e.g. strain-relief) for the wire with the USB circular plug-in connector (see Fig.
  • Page 7 Pin Assignment M12 Connector, 8-Pin (only PreLOG) If the PreLOG should be read out via the RS232 interface, externally powered or connected to the GPRS solar set, the following pin assignment of the 8-pin M12 connector is used (see Fig. 07 (pin side view)).
  • Page 8 In general the PreLOG RS232 interface is deactivated to save energy. It will only be activated by the PreLOG to transmit data. For external access to the PreLOG via RS232 , e. g. to retrieve data or to confi gure the PreLOG, the control pin “RS232-Communication ON”...

  • Page 9: Functions

    Data Logger PreLOG (15190) Connecting pulse output - Open Collector = 3.3 … 40V (OC) The PreLOG comes with an Open Collector output which can be used to forward the recorded pulses for example to Pull-Up =5kΩ...10kΩ a programmable logic controller (PLC). See also „Pin As- signment M12 Connector, 8-Pin“.
  • Page 10 At smaller resolution factors (< 0.1) the PreLOG automatically deactivates the correction. Pulse Output If another device should process the precipitation pulses, the received pulse can be output by the PreLOG by activating its pulse output. The length of the output pulse depends on the specifi ed resolution factor. At resolution factors ≥...

  • Page 11: Recording

    The date and time of the real time clock of the PreLOG is set by the function “Setup – Set PreLOG Clock” of the PreLOG-Commander. By default the function suggests the date and time of the PC clock.
  • Page 12 Rain, the values should be recorded in 1, 2, 5, or 10 min intervals. The fl ash memory (circular buffer) of the PreLOG can store up to 65535 measured values. In other words: if values are recorded in 10 min intervals, even with permanent rain it is not necessary to retrieve the data more often than once a year (52704 values).

  • Page 13: Event / Alarm

    Event / Alarm To use the alarm functions of the PreLOG a GPRS modem is necessary, for example the one in the GRPS solar set. In case of occurance of a predefi ned PreLOG event or alarm the PreLOG switches on the modem and transmits...

  • Page 14: Data Transmission

    Event: Exceeding of a Max. Precipitation Intensity If the event “Exceeding of a Max. Precipitation Intensity” is activated, the PreLOG transmits an alarm if a max. intensity is exceeded at all times of a given period. The event will be released if the intensity falls below a specifi ed release intensity.
  • Page 15 The COM1 interface and a connected modem are permanently activated. Requests can be made as in the com- munication type Remote Request. In the specifi ed interval or in case of alarms the PreLOG will transmit data as in the communication type Remote Send.

  • Page 16: Data Retrieval Using Prelog-Commander (Usb)

    Data Retrieval using PreLOG-Commander (GSM Mode) In addition to the direct data retrieval via USB, the PreLOG can transmit the recorded data sets for specifi ed time frames via an appropriate GSM modem to a PC with PreLOG-Commander and save them as a CSV fi le.

  • Page 17: Data Retrieval Using Meteoware Rain (Gsm Mode)

    Request CFG”) and check the connection set- tings in the tab “Setup – PreLOG Confi guration – General” and “– PreLOG Internal Communication” For the appropriate values see the corresponding sections in ch. 9.2.2 on pp. 20 ff. and the documen- tation of the modem in use.

  • Page 18: Automated Data Reception And Monitoring Of Measuring Net- Works Using Meteoware Rain Full Version

    GSM/GPRS. Thereby the full version of MeteoWare Rain is the software of choice for monitoring measuring networks with several PreLOG. For a complete documentation of this and further functions please refer to the operating instructions (help pages) of the MeteoWare Rain software.

  • Page 19: Prelog-Commander

    Operating Instructions Data Logger PreLOG (15190) PreLOG-Commander The PreLOG will be confi gured with the PreLOG-Commander - best done with the PreLOG connected directly to the PC via USB. Requirements: • PC with Windows XP, Windows 7 or Windows 8 •...

  • Page 20: Setup - Prelog Confi Guration

    Operating Mode Since the PreLOG is a pulse logger, it is mainly used to record amounts of precipitation over time. To use it this way one selects in the fi eld “Time Base” the duration in min over which the pulses are added up. If instead of a time “Individual Pulses”...
  • Page 21 In the fi eld “Timeout” you can specify how much seconds the software will wait for an answer from the station after a data request before it detects an error. For the PreLOG this value should be 3 s. In the fi eld “Max. No. of Errors”...
  • Page 22 Alarm (Part 1) In the two tabs “Alarm (Part 1)” and “Alarm (Part 2)” you can specify in which cases the used PreLOG will transmit the alarm data set (see p. 13). If the alarm data set (or alarm message) has been transmitted, the PreLOG will start automatically the transmission of the new values which have been recorded since the last data transfer.
  • Page 23 Event: End of Precipitation If the alarm “End of Precipitation” is activated, the PreLOG will transmit the alarm data set to the data centre, if no precipitation is detected over the duration of the “Trigger Period.” This alarm cannot be triggered again within the following “Release Time.”...

  • Page 24: Setup - Set Prelog Clock

    Setup – Set PreLOG Clock With the function “Set PreLOG Clock” you can set the real time clock of the PreLOG. The program suggests the system time of the PC. Enter the date and time in the appropriate fi elds. By clicking the “Set Clock” button the time will be transmitted to the PreLOG.

  • Page 25: Retrieval - Prelog Status

    Utilities – Factory Reset The function “Factory Reset” can be used to reset the confi guration of PreLOG to the factory settings and thereby delete the prior confi guration. A message box returns if the factory reset has been successful.

  • Page 26: Utilities - Prelog Reboot

    Utilities – PreLOG Reboot The function “PreLOG Reboot” can be used to reboot the PreLOG. In the process the RAM will be deleted, the confi guration loaded from the fl ash memory, the fl ash memory initialised again and a connected modem reset. A successful reboot will be reported in a message box.

  • Page 27: Gprs Test Failed

    Modem” and baud rate 19200 Bd are selected in the tab “Setup – PreLOG Confi guration – General”. Check if the further PC settings are according to your PC modem and if the settings in the tab “PreLOG Internal Communication” are according to your GPRS modem at the PreLOG.

  • Page 28: Maintenance And Repair

    Germany batteries can be returned to any battery-selling store or the local recycling depot. Maintenance and Repair In case you should be faced with any specifi c problems which you cannot solve, please contact the LAMBRECHT service department on: Tel.:...

  • Page 29: Space For Notes

    Operating Instructions Data Logger PreLOG (15190) Space for Notes (15190) PreLOG Operating Instructions...

  • Page 30: Technical Data

    290 x Ø 32 mm Weight approx. 0.33 kg PreLOG ECO 00.15190.010000 Same as PreLOG without RS232 interface and alarm functions and without M12 plug connector. * = not available with PreLOG ECO 15190_b-de.indd 31.15 Quality System certified by DQS according to Photocredits: ©...

This manual is also suitable for:

15190

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