Delta OHM HD2013.3 Operating Manual Download

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Operating manual

Precipitation detector

HD2013.3

www.deltaohm.com

English

Keep for future reference.

Summary of Contents for HD2013.3

Page 1: ...Operating manual Precipitation detector HD2013 3 www deltaohm com English Keep for future reference...

Page 2: ...INTRODUCTION 3 2 TECHNICAL SPECIFICATIONS 4 3 INSTALLATION 6 3 1 ELECTRICAL CONNECTIONS 6 4 CONFIGURATION AND MEASUREMENT 9 5 PROPRIETARY PROTOCOL 10 6 MODBUS RTU PROTOCOL 17 7 MAINTENANCE 21 8 SAFETY...

Page 3: ...instrument external circular dome acts as a windshield for the sensor preventing false indications An auto calibration algorithm compensates for variations in the response due to the dirt that can ac...

Page 4: ...ensor Temperature 0 1 C Output RS485 not isolated with MODBUS RTU or proprietary protocol Analog 0 4 20 mA RLmax 500 or on request 0 10 V RLmin 10 k Voltage free normally open contact max 200 mA 30 Vd...

Page 5: ...HD2013 3 5 V1 7 Fig 2 1 dimensions mm Bird spikes optional Bracket...

Page 6: ...is free from any object that could obstruct the detection of the precipitation Keep the sensor clean 3 1 ELECTRICAL CONNECTIONS The instrument has a 8 pole circular connector and uses the CP2013 2 opt...

Page 7: ...ing the proprietary protocol or the MODBUS RTU protocol Fig 3 3 RS485 connection Current analog output By default the current analog output is 4 20 mA with 4 mA sensor sensitive surface completely wet...

Page 8: ...rection of the output so that when the sensor sensi tive surface is completely wet the output is 10 V In case of measurement error the output goes to 11 V Fig 3 5 voltage analog output connection Cont...

Page 9: ...ddress 5 The indication of precipitation in progress ceases when the percentage of dry sensitive surface of the sensor rises above the threshold plus a configurable hysteresis value default 2 and afte...

Page 10: ...the instrument replies with USER CAL MODE ON The command CAL USER ON is automatically disabled after a few minutes of inactivity If the settings should be only read the command CAL USER ON is not req...

Page 11: ...ates protocol Waiting 3 5 characters if n 1 respects protocol Default Immediate reception n 0 RMW n Reads the setting of waiting time after transmission with MODBUS RTU protocol Precipitation detectio...

Page 12: ...RSH n Reads the setting of the hysteresis of the reference tem perature to discriminate between rainfall and snowfall CRADn Sets the delay in indicating the beginning of a precipita tion both rainy a...

Page 13: ...ered a rainfall if the measured temperature is higher than the reference temperature and a snowfall if the measured tempera ture is lower than the reference temperature Default Output activated in cas...

Page 14: ...CENTAGE Prints the list of the measurement information sent by the instrument RAIN_RAW number of 12 bit ADC counts proportional to the percentage of dry sensitive surface of the sensor RAIN_LEVEL perc...

Page 15: ...if the sensor sensitive surface is completely dry CRBSn Enable disable the precipitation sensor automatic cali bration at regular intervals Disable if n 0 Enable if n 1 Default Automatic calibration...

Page 16: ...her hand the greater the possibil ity that a very light precipitation is not detected or causes an oscillation in indicating the presence absence of pre cipitation The T setting is therefore a comprom...

Page 17: ...owfall Bit Input Registers Address Description Format 0 Instrument model identification 16 bit Integer 1 Instrument hardware revision 16 bit Integer 2 3 Instrument serial number 16 bit Integer 4 Instr...

Page 18: ...Format 0 RS485 Baud Rate 0 1200 1 2400 2 4800 3 9600 4 19200 default 5 38400 6 57600 7 115200 16 bit Integer 1 RS485 parity and stop bits 0 8N1 1 8N2 2 8E1 default 3 8E2 4 8O1 5 8O2 N no parity E eve...

Page 19: ...activation mode 0 Output disabled 1 Output activated in case of rainfall default 2 Output activated in case of snowfall Note the precipitation is considered a rainfall if the measured temperature is...

Page 20: ...HD2013 3 20 V1 7 Address Description Format 21 Sensitivity of the precipitation detection 10 1000 default 100 The greater the value the greater the sensitivity 16 bit Integer...

Page 21: ...ent control and laboratory use and has left the factory in perfect safety tech nical conditions The instrument proper operation and operating safety can be ensured only if all standard safety measures...

Page 22: ...s to be ordered separately HD2013 2D Bird spikes 6 spikes 3 mm height 60 mm To be requested when ordering the instrument CP2013 2 5 Cable with 8 pole watertight connector on one end free wires on the...

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Page 24: ...rranty included in the manual of the product For any dispute the competent court is the Court of Padua The Italian law and the Convention on Contracts for the International Sales of Goods apply TECHNI...