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Grant Instruments

30641 V1.3

Yoyolog

Page 30

Operating Manual

7.6

Logger Setup – Configuring Alarms

Yoyo loggers have integrated alarm functionality. An LED will start to flash if thresholds
are exceeded.

Click on

Alarm

, to display the alarm settings.

Then click on the symbol of the
channel in order to change the
settings.

Select from the following Alarm Modes:

One alarm range:

Two alarm ranges:

Now set the values for

Threshold 1

and

Threshold 2

and define the

Hysteresis

Alarm

Alarm

No Alarm

Max

Min

Sensor

No Alarm

No Alarm

Alarm

Max

Min

Sensor

There  is  one  alarm  range  for  the  selected
channel.  If  the  sensor  value  is  higher  than
the  (Alarm  threshold1  ±  Hysteresis)  and
lower than (Alarm threashold2 ± Hysteresis)
the logger will start to alarm.

.

There are two alarm ranges for the selected
channel.  If  the  sensor  value  is  higher  than
the  (Alarm  threshold1  ±  Hysteresis)  and
lower than (Alarm threashold2 ± Hysteresis)
there is no Alarm.
Otherwise the logger will start to alarm.

.

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Содержание Yoyolog

Страница 1: ...Yoyo Data Loggers Operating Manual...

Страница 2: ...s information data loss etc Without written permission from Grant Instruments Ltd no part of this publication may be reproduced for any purpose or transmitted in any form or in any means either elec t...

Страница 3: ...7 5 Logger Setup Sensor Slots 19 7 5 1 Temperature PT100 PT1000 Thermistor 22 7 5 2 Sensors for temperature Thermocouple 22 7 5 3 Combined Sensors for temperature humidity 22 7 5 4 Sensors for conden...

Страница 4: ...30641 V1 3 Yoyolog Page 4 Operating Manual 7 6 Logger Setup Configuring Alarms 30 7 7 Display logged data as a graph 31 7 8 Display logged data as a table 31 7 9 Exit 31 8 Troubleshooting 32 9 Underst...

Страница 5: ...og Lithium battery type CR2477N USB cable YoyoView Software for Windows supplied on USB Stick Additionally included in delivery of YL M32 YL M41 YL M42 YL M90 YY CS cable s Further options include Cal...

Страница 6: ...yoView The program automatically recognizes the logger and displays a picture of that logger Double click on the picture to select the logger Right Click on the logger and select Metermode After a few...

Страница 7: ...sensor inputs to which external sensors are connected Some of the sensors are combined sensors such as the YS RHT for measuring temperature and humidity This sensor uses a single input connector The l...

Страница 8: ...nsert a battery into the datalogger unscrew the back cover of the logger then insert the battery keeping the correct polarity negative pole downwards When the battery has been fitted after a few secon...

Страница 9: ...1 free USB port 1 free USB port Printer Any windows supported printer Any windows supported printer The setup program for YoyoView can be found on the USB stick provided Click on Setup_YoyoView_ForWi...

Страница 10: ...ram used to view the downloaded data Select Location where downloaded data is stored Click on Data to change export settings Select Decimal places to automatic default to export data with as many deci...

Страница 11: ...will appear This may take up to 30 seconds Normally a logger will be automatically detected when connected If the logger is not automatically detected click on the icon or Devic es Search in order to...

Страница 12: ...will appear to identify the logger A serial number the Short ID Date Code Description as well as the manufacturers name will be displayed If more than one logger is connected double click on the part...

Страница 13: ...f the battery usage or simply use a new one if the status of the battery is unknown and data is important Refer to table in chapter 4 1 to understand the impact of the interval on the battery life The...

Страница 14: ...ls assigned to slot 1 will be displayed then all channels assigned to slot 2 and so on Please refer to chapter 7 5 for more information on Slot numbers and channel numbers Note The logger is mainly us...

Страница 15: ...rt DataLogging window there are the following settings Logger Start condition Logger Stop condition Interval unit value and a run description The logger can be started immediately or at a specific dat...

Страница 16: ...select the unit Hours Minutes Seconds or Hertz and define the Interval Value Examples to log every 10 Minutes select Minutes at the Section Interval and enter 10 as the Interval Value To log at 5 Hert...

Страница 17: ...are As soon as the data has been fully processed the GraphTool Software will pop up When purchasing the YoyoView Plus software there will be a serial number and two keys which will need to be entered...

Страница 18: ...s still in a usable condition If the battery is red it should be replaced soon and only a short term logging period should be performed Click on the General tab and then enter a logger name this can b...

Страница 19: ...r Setup Sensor Slots Those loggers that have additional inputs for external signals or sensors have to be configured correctly to show the expected values and prevent damage The input types that can b...

Страница 20: ...Sensor Slots tab NOTE This function is only available when the logger is not logging Click on the symbol of the slot to be modified for example Slot2 Here the sensor type connected to Slot2 can be sel...

Страница 21: ...ows the values for a sensor with a linear range of 0 50m s to 0 1V In this example the following has been entered New Description Velocity New Unit m s New Minimum 0 New Maximum 50 Once the correct se...

Страница 22: ...or temperature Thermocouple The YL T15 and YL T16 allow connection of the thermocouple sensors These can be of any type from K T J B E N R or S Connect the sensors into the logger with the correct pol...

Страница 23: ...s and synchronous signals a pulse is counted when the switch is closed This connection can be configured in LoggerSetup SensorSlot SlotMode Frequency Hz Important Connecting voltages higher than 3 Vol...

Страница 24: ...Hz Important Connecting pulse inputs with a voltage greater than 24 Volts will damage the device 7 5 8 Voltage GND reference signals max 10V Applications standard analogue levels of industrial transm...

Страница 25: ...ogger This connection can be configured in LoggerSetup SensorSlot SlotMode DMS Usually complete Strain gauge bridges are supplied calibrated In the calibration certificate the bridge rated output will...

Страница 26: ...low voltage levels 1VDC from grounded voltage sources connect the YY CS cable according to the diagram below In this mode the logger can perform at an interval of up to 32 Hz Measuring ranges 0 10 mV...

Страница 27: ...mA The input impedance in this mode is 100 KOhm The maximum sampling rate is 32 Hz This connection can be configured in LoggerSetup SensorSlot SlotMode Current mA Connections for YY CI cable to measur...

Страница 28: ...specialist surface coating of the sensor Specifications EC 5 Measuring range 0 saturation Accuracy 0 03m m for all soils up to 8 dS m With soil specific calibration 0 02 m 2 Resolution 0 001 m m VWC...

Страница 29: ...f it s too difficult to insert the sensor try to loosen the ground DO NOT drive the sensor into the soil by force as this may cause irreparable damage 2 Carefully refill the hole Try to prevent the ru...

Страница 30: ...larm ranges Now set the values for Threshold 1 and Threshold 2 and define the Hysteresis Alarm Alarm No Alarm Max Min Sensor No Alarm No Alarm Alarm Max Min Sensor There is one alarm range for the sel...

Страница 31: ...ftware there will be a serial number and two keys which are required to be entered here The graphing option will appear if these have already be entered The software can be upgraded and new options ad...

Страница 32: ...show after checking that the loggers is connected correctly and appears in the YoyoView software This could be due to the logger having a flat or missing battery Replace the battery and verify initia...

Страница 33: ...emperature increases See the graph below This is due to the fact that quite an aggressive environment is developed when measuring high humidity and high temperature at the same time The sensor should...

Страница 34: ...ast 2 alarms occurred with a pause in between Flashes at 8seconds Flashes at 8seconds Battery empty Flashes at 15seconds Flashes at 15seconds Flashes at 15seconds System check OK after battery change...

Страница 35: ...under Test EuT yoyo logger YL T10 YL T10E YL T11 YL T15 YL T16 YL RH20 YL RH20E YL RH23 YL RH23E YL RH25 YL M32 YL M33 YL M34 YL M41 YL M42 YL M61 YL M62 YL M90 Tests Standards Result Emission Radiat...

Страница 36: ...Grant Instruments Cambridge Ltd Shepreth Cambridgeshire SG8 6GB UK...

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