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Offset

Address

Data definition

Modbus

Function

Read/

Write

Length

Format

Valid Response

Default

030001Davis bar trend4R1INT16-0
130002Davis packet type4R1INT16-0
230003Davis next record4R1INT16-0
330004

Davis barometer

Unit: inHg*1000

4R1INT16-0
430005

Davis inside temperature

Unit: ºF*10

4R1INT16-32767
530006

Davis inside humidity

Unit: %

4R1INT16-255
630007

Davis outside temperature

Unit: ºF*10

4R1INT16-32767
730008

Davis wind speed

Unit: mph

4R1INT16-255
830009

Davis average wind speed

Unit: mph

4R1INT16-255
930010

Davis wind direction

Unit: Degrees

4R1INT16-32767
1030011

Davis extra temperatures

Unit: ºF+90

Format:

Byte 1: Extra temp 1

Byte 2: Extra temp 2

Byte 3: Extra temp 3

Byte 4: Extra temp 4

Byte 5: Extra temp 5

Byte 6: Extra temp 6

Byte 7: Extra temp 7

Byte 8: Not used

4R48 x INT8-

Bytes 1-7: -1

Byte 8: 0

1430015

Davis soil temperatures

Unit: ºF+90

Format:

Byte 1: Soil temp 1

Byte 2: Soil temp 2

Byte 3: Soil temp 3

Byte 4: Soil temp 4

4R24 x INT8-Bytes 1-4: -1
1630017

Davis leaf temperatures

Unit: ºF+90

Format:

Byte 1: Leaf temp 1

Byte 2: Leaf temp 2

Byte 3: Leaf temp 3

Byte 4: Leaf temp 4

4R24 x INT8-Bytes 1-4: -1
1830019

Davis outside humidity

Unit: %

4R1INT16-255
1930020

Davis extra humidities

Unit: %

Format:

Byte 1: Extra hum 1

Byte 2: Extra hum 2

Byte 3: Extra hum 3

Byte 4: Extra hum 4

Byte 5: Extra hum 5

Byte 6: Extra hum 6

Byte 7: Extra hum 7

Byte 8: Not used

4R44 x INT8-

Bytes 1-7: -1

Byte 8: 0

2330024

Davis rain rate

Unit: (inches/hour)*100

4R1INT16--1
2430025

Davis uv

4R1INT16-255
2530026

Davis solar radiation

Unit: W/m²

4R1INT16-32767
2630027

Davis storm rain

Unit: inches*100

4R1INT16-0
2730028

Davis start date of current

storm

4R1INT16--1
2830029

Davis day rain

Unit: inches*100

4R1INT16-0
2930030

Davis month rain

Unit: inches*100

4R1INT16-0
3030031

Davis year rain

Unit: inches*100

4R1INT16-0
3130032

Davis day et

Unit: inches*100

4R1INT16-0
3230033

Davis month et

Unit: inches*100

4R1INT16-0
3330034

Davis year et

Unit: inches*100

4R1INT16-0
3430035

Davis soil moistures

Unit: cb

Format:

Byte 1: Soil moisture 1

Byte 2: Soil moisture 2

Byte 3: Soil moisture 3

Byte 4: Soil moisture 4

4R24 x INT8-Bytes 1-4: -1
3630037

Davis leaf wetnesses

Format:

Byte 1: Leaf wetness 1

Byte 2: Leaf wetness 2

Byte 3: Leaf wetness 3

Byte 4: Leaf wetness 4

4R24 x INT8-

Bytes 1-3: -1

Byte 4: 0

3830039Davis inside alarms4R1INT16-0
3930040Davis rain alarms4R1INT16-0
4030041Davis outside alarms4R1INT16-0
4130042

Davis temp/hum alarms

Format:

Byte 1: Outside hum alarm

Byte 2: Extra t/h alarm 1

Byte 3:  Extra t/h alarm 2

Byte 4:  Extra t/h alarm 3

Byte 5:  Extra t/h alarm 4

Byte 6: Extra t/h alarm 5

Byte 7: Extra t/h alarm 6

Byte 8: Extra t/h alarm 7

4R48 x INT8-Bytes 1-8: 0
4530046

Davis soil leaf alarms

Format:

Byte 1: Soil leaf alarm 1

Byte 2: Soil leaf alarm 2

Byte 3: Soil leaf alarm 3

Byte 4: Soil leaf alarm 4

4R24 x INT8-Bytes 1-4: 0
4730048Davis transmitter battery status4R1INT16-0
4830049

Davis console battery status

Unit: Volts

4R1INT16-0
4930050Davis forecast icons4R1INT16-0
5030051Davis forecast rule numbers4R1INT16-193
5130052

Davis time of sunrise

Unit: HHMM

4R1INT16-0
5230053

Davis time of sunset

Unit: HHMM

4R1INT16-0
5330054

Davis communication status

Values:

0: OK

1: Fail

4R1INT16-1
5430055

Age of measurement

Unit: sec

4R1INT160-21599-32768
5530056

Supply power

Unit: mV

4R1INT16--32768
5630057

Sensor supply power

Unit: mV

4R1INT16--32768
5730058

Temperature

Unit:  ºC*10

4R1INT16--32768
5830059

Channel 1

Unit: mV (voltage mode)

Unit: mA*100 (current mode)

Unit: Pulse count (counter mode)

4R1INT16--32768
5930060

Channel 2

Unit: mV (voltage mode)

Unit: mA*100 (current mode)

Unit: Pulse count (counter mode)

4R1INT16--32768
6030061

Channel 3

Unit: mV (voltage mode)

Unit: mA*100 (current mode)

4R1INT16--32768
6130062

Channel 4

Unit: mV (voltage mode)

Unit: mA*100 (current mode)

Unit: Pulse count (counter mode)

4R1INT16--32678
6230063

Channel 5

Unit: mV (voltage mode)

Unit: mA*100 (current mode)

Unit: Pulse count (counter mode)

4R1INT16--32768

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