GHM Delta OHM HD52.3D Series Скачать руководство пользователя страница 6

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HD52.3D…

- 6 -

V2.2

Communication protocols

NMEA, MODBUS-RTU, SDI-12, proprietary RS232 and RS485

Analog outputs

2 analog outputs, for wind speed and direction. Output at
choice among 4…20

mA (standard), 0…1

V, 0…5

V and

0…10

V (option 0…10

V needs 15…30

Vdc power supply)

Wind speed averaging interval

Configurable from 1 s to 10 min

Electrical connection

19-pole M23 male connector

Operating temperature

-40…+70 °C
Minimum temperature for the rainfall sensor 1 °C

Protection degree

IP 66

Survival speed

90 m/s (60 m/s with rain gauge option)

Weight

About 1 kg (version HD52.3DP147)
About 1.5 kg (version HD52.3DT147)

Case

Plastic material. Metal parts: AISI 316

Dimensions (mm)

150

336

40 ext.
36 int.

150

357

40 ext.
36 int.

HD52.3D17 / HD52.3D147

HD52.3DP17 / HD52.3DP147

Mast

Содержание Delta OHM HD52.3D Series

Страница 1: ...Operating manual Ultrasonic anemometers HD52 3D series www deltaohm com English Keep for future reference Companies Brands of GHM...

Страница 2: ...1 RS232 SERIAL CONNECTION 15 5 2 2 RS485 SERIAL CONNECTION 15 5 2 3 RS422 SERIAL CONNECTION 16 5 2 4 SDI 12 SERIAL CONNECTION 17 5 2 5 ANALOG OUTPUTS CONNECTION 17 5 2 6 CONNECTION OF RS52 CABLE 18 5...

Страница 3: ...are equipped with a magnetic compass Wind speed and direction are determined by measuring the transit time of ultrasonic pulses between two pairs of ultrasonic transducers RS232 RS485 RS422 and SDI 1...

Страница 4: ...ries TAB 1 A Available versions Model Wind speed Wind direction Relative humidity Temperature Solar radiation Rainfall Barometric pressure HD52 3D HD52 3D4 HD52 3DP HD52 3DP4 HD52 3D17 HD52 3D147 HD52...

Страница 5: ...on 17 Sensor Capacitive Measuring range 0 100 RH Resolution 0 1 Accuracy T 15 35 C 1 5 RH 0 90 RH 2 RH remaining range Accuracy T 40 70 C 1 5 1 5 of measurement RH Barometric Pressure needs option 4 S...

Страница 6: ...interval Configurable from 1 s to 10 min Electrical connection 19 pole M23 male connector Operating temperature 40 70 C Minimum temperature for the rainfall sensor 1 C Protection degree IP 66 Survival...

Страница 7: ...HD52 3D 7 V2 2 HD52 3D HD52 3D4 HD52 3DP HD52 3DP4 132 547 40 ext 36 int 50 150 HD52 3DT147 Mast Mast Mast...

Страница 8: ...rs for the measurement of wind speed and direction 3 Protective shield from solar radiation for relative humidity and temperature sensors 4 Fixing clamp to 40 mm mast Note in the models measuring baro...

Страница 9: ...sion with rain gauge 1 Rain gauge 2 Ultrasonic sensors for the measurement of wind speed and direction 3 Protective shield from solar radiation for relative humidity and temperature sensors 4 Fixing c...

Страница 10: ...time If wind speed is zero tA and tR values are the same In the presence of wind one of the two time values is greater than the other and the comparison between the two time values allows to determin...

Страница 11: ...p port mast by tightening the cable tie at the bottom of the instrument The support mast having 40 mm maximum outer diameter and 36 mm minimum inner diame ter should be positioned on a stable surface...

Страница 12: ...der the movement velocity of the instrument All instrument sensors are factory calibrated and do not require additional interventions of the user Unless otherwise requested with factory settings the i...

Страница 13: ...aluating the wind direction one should take into account that the geographic North differs from the magnetic North indicated by the compass The difference named magnetic declination depends on the are...

Страница 14: ...r power supply negative 7 7 Violet HEAT Heater power supply positive 10 30 Vdc 8 8 Grey GND Serial ground 9 9 White TX Serial transmission output negative DATA RS485 output 10 Not used 11 Not used 12...

Страница 15: ...int network Instruments are connected in sequence through a twisted pair shielded cable for signals and a third wire for ground Line terminations should be placed at the two ends of the network The ca...

Страница 16: ...nnecting the instrument to the network configure address and Baud Rate see chap ter 6 CONFIGURATION 5 2 3 RS422 SERIAL CONNECTION RS422 standard is used for point to point connection on long distances...

Страница 17: ...onnect the outputs according to one of the two schemes below depending on the output type current standard or voltage on request available in the instrument OUT 1 and OUT 2 are associated to wind spee...

Страница 18: ...ed directly from the USB port of the PC 5 2 7 CONNECTION OF HEATING SYSTEM Models with heat option R option have an integrated device that heats sonic transducers in order to prevent ice forming and e...

Страница 19: ...erial commands described in the following tables To configure and make the in strument operational the following should be performed Send command for operation mode selection see table Operation Mode...

Страница 20: ...unit mbar if n 1 Note 1mbar 1hPa mmHg if n 2 inchHg if n 3 mmH2O if n 4 inchH2O if n 5 atm if n 6 Default mbar n 1 RGUP n Reads the pressure measuring unit set in the instrument CGURn Sets rainfall m...

Страница 21: ...if n 4 38400 if n 5 57600 if n 6 Default 57600 n 6 RU2B n Reads Baud Rate setting for proprietary RS232 mode CU1Dccccccccccc Sets measurements order in the string sent in proprietary RS232 and RS485 m...

Страница 22: ...s is requested E character three numbers with the following meaning will appear in the data string sent by the instrument 1 First number error code identifying the transducers and the type of error Th...

Страница 23: ...arity and stop bits for NMEA mode to 8N1 if n 0 No parity 1 stop bit 8N2 if n 1 No parity 2 stop bits 8E1 if n 2 Even parity 1 stop bit 8E2 if n 3 Even parity 2 stop bits 8O1 if n 4 Odd parity 1 stop...

Страница 24: ...nnect to PC or datalogger 1 instrument only option useful to do tests without RS232 RS485 conversion RU5I n Reads interface setting for MODBUS mode CU5Mn Sets parity and stop bits for MODBUS mode to 8...

Страница 25: ...ion of aver age speed and average direction to nnn value Value should range within 1 and 600 s If the value is greater than 10 s it must be an integer multiple of 10 note the value can be greater than...

Страница 26: ...sult inaccurate The in strument allows setting the threshold value of speed below which the direction value is frozen on the last acquired value NOTE 4 WIND DIRECTION EXTENDED CHARACTERISTIC With 0 35...

Страница 27: ...of the analog output and the di rection of the wind in the two modes Wind direction 4 20mA output 0 1V output 0 5V output 0 10V output standard extended standard extended standard extended standard e...

Страница 28: ...2 Mean wind direction If n 1 see Note 5 Output 1 Instant wind speed component along V axis Output 2 Instant wind speed component along U axis If n 2 Tunnel mode see Note 6 Output 1 Instant wind speed...

Страница 29: ...y the magnetic compass but the measurement is referred to the direction indicated by the arrow on the instrument case The output 2 is set to full scale value if the wind blows in the direction of the...

Страница 30: ...ing in the instrument Data bits 8 Parity None Stop bits 2 The instrument sends measurements in the following format M1 M2 Mn CR LF with M1 M2 Mn values of the first second nth measurement CR ASCII cha...

Страница 31: ...ding measurements M1 M2 Mn values of the first second nth measurement SP space CS checksum hex value of the 8 bit checksum of all the preceding characters CR ASCII character Carriage Return Fields M1...

Страница 32: ...stablishes that data are sent in the following format Prefix Data hh CR LF with Prefix field consisting in 5 alphanumeric characters the first two indicate the type of transmitting device the other th...

Страница 33: ...tive humidity 64 2 o Air temperature 26 8 C o Solar radiation 846 W m2 Based on the above values the following can be calculated o Absolute humidity 16 4 g m3 o Dew Point 19 5 C The strings sent by th...

Страница 34: ...rection in degrees x10 unsigned 16 bits 1 00 3 Sonic temperature measured by the first transducers pair x10 16 bits 1 00 1 4 Sonic temperature measured by the second transducers pair x10 16 bits 1 00...

Страница 35: ...nch unsigned 16 bits 2 22 3 28 Rainfall rate x10 if the unit of measure ment is mm h x100 if the unit of meas urement is inch h unsigned 16 bits 2 22 29 Rainfall unit of measurement 0 mm 1 inch unsign...

Страница 36: ...urement error Bit 4 Barometric pressure measurement error Bit 5 Solar radiation measurement error Bit 6 Not assigned Bit 7 Not assigned There is an error condition if the corresponding bit value is 1...

Страница 37: ...3 version of the protocol The table below shows the available SDI 12 commands To comply with the SDI 12 standard the instrument address is indicated in the table with the letter a The instrument comes...

Страница 38: ...tly requested command aD0 without send ing this command before Request to perform the measurement aD0 aD1 aD2 aD3 aD4 aD5 a WS WD T CR LF a RH AH DP CR LF a P R C CR LF a WSa WDa CR LF a WGS WGD CR LF...

Страница 39: ...isting in a series of 9 is sent The Wind Gust measurement is available starting from firmware version 2 20 The Wind Gust measurement is determined by continuously calculating the wind speed averages i...

Страница 40: ...the specific measures described in this manual are followed The instrument proper operation and operating safety can be ensured only in the climatic con ditions specified in this manual Do not use the...

Страница 41: ...he other Ordering scheme for models without rain gauge With rain gauge the HD52 3DT147 model is available measurement of wind speed and direction rainfall relative humidity barometric pressure and tem...

Страница 42: ...the other Length 30 m CP52 50 12 pole connecting cable with 19 pole M23 female free connector on one end open wires on the other Length 50 m CP52 75 12 pole connecting cable with 19 pole M23 female f...

Страница 43: ......

Страница 44: ...zed third parties is excluded from the guarantee The instrument shall be returned FREE OF SHIPMENT CHARGES to your dealer The jurisdiction of Padua applies in any dispute The electrical and electronic...

Страница 45: ...e result of the constant development of the product This may produce some differences between the information written in this manual and the instrument you have purchased We cannot completely exclude...

Страница 46: ...GHM GROUP Delta OHM Delta Ohm S r l a socio unico Via Marconi 5 35030 Caselle di Selvazzano Padova ITALY Phone 39 049 8977150 Fax 39 049 635596 www deltaohm com info deltaohm com V2 2 11 11 2020...

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