Vaisala HUMICAP HMP4 Скачать руководство пользователя

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A.5 Modbus Communication Examples

Reading Relative Humidity Value

Device address used in the following examples is 240 (F0

hex

The values returned by the device differ depending on the ambient conditions

and/or device settings. Your device might not return exactly same values.

Request

Response

Bytes on the Line
(Hexadecimal)

Description

Bytes on the Line
(Hexadecimal)

Description

(silence for 3.5 bytes)

Start of Modbus RTU
frame

(silence for 3.5 bytes)

Start of Modbus RTU
frame

hex

Probe address

hex

Probe address

hex

Function (Read
Holding Registers)

hex

Function (Read
Holding Registers)

hex

Number of data bytes

hex

Value of first register
(least significant
word)

hex

Number of 16-bit
registers to read (2)

hex

Value of second
register (most
significant word)

hex

Modbus RTU
checksum

hex

Modbus RTU
checksum

(silence for 3.5 bytes)

End of Modbus RTU
frame

hex

(silence for 3.5 bytes)

End of Modbus RTU
frame

Communication Description

1 (1-based Modbus documentation format) =
0000

hex

(0-based format used in actual

communication).

Data format

Two 16-bit Modbus registers interpreted as IEEE
754 binary32 floating point value, least
significant word first.

Returned value

41F47AE1

hex

, which is binary32 representation of

30.56 (%RH).

HMP4, HMP5, HMP7, HMP8, TMP1 User Guide

M212022EN-A

Содержание HUMICAP HMP4

Страница 1: ...M212022EN A User Guide Vaisala HUMICAP Humidity and Temperature Probes HMP4 HMP5 HMP7 HMP8 TMP1...

Страница 2: ...al are subject to change without prior notice Local rules and regulations may vary and they shall take precedence over the information contained in this manual Vaisala makes no representations on this...

Страница 3: ...ration with Insight Software 15 4 1 Vaisala Insight Software 15 4 2 Connecting to Insight Software 15 4 3 Configuration Options 16 5 Using Probe with Indigo Transmitters 17 5 1 Indigo Overview 17 5 2...

Страница 4: ...unication Settings 46 A 2 Function Codes 46 A 3 Data Encoding 46 A 3 1 32 Bit Floating Point or Integer Format 47 A 3 2 16 Bit Integer Format 47 A 4 Modbus Registers 48 A 4 1 Measurement Data Register...

Страница 5: ...arity and Repeatability 27 Figure 20 HMP5 Humidity Measurement Accuracy as a Function of Temperature Including Non Linearity and Repeatability 29 Figure 21 HMP5 Temperature Measurement Accuracy over F...

Страница 6: ...rement Performance 34 Table 20 SI Traceable Calibration 35 Table 21 Operating Environment 36 Table 22 Inputs and Outputs 36 Table 23 Mechanical Specifications 36 Table 24 Measurement Performance 37 Ta...

Страница 7: ...Name M211982EN HMP4 HMP5 HMP7 HMP8 and TMP1 Quick Guide 1 3 Documentation Conventions Warning alerts you to a serious hazard If you do not read and follow instructions carefully at this point there i...

Страница 8: ...he task 1 4 Trademarks Vaisala and HUMICAP are registered trademarks of Vaisala Oyj All other product or company names that may be mentioned in this publication are trade names trademarks or registere...

Страница 9: ...2 1 3 4 5 6 7 8 Figure 1 Probe Parts 1 Protection cap remove before use 2 5 pin M12 connector 3 Probe body with type label 4 Status indicator Green Power on and probe online flashes when communicatin...

Страница 10: ...figuration interface access Examples of additional features available with Indigo transmitters include 3 5 TFT LCD color display or non display model with LED indicator Digital output or 3 analog outp...

Страница 11: ...4 Probe 183 7 20 120 4 72 Fitting body M22x1 5 or NPT1 2 41 1 61 12 0 47 32 mm 27 mm mm in Figure 2 HMP4 Probe Head Dimensions Vaisala HUMICAP Humidity and Temperature Probe HMP4 is designed for high...

Страница 12: ...red AISI316L filter standard in delivery 2 8 HMP7 Probe 99 5 3 92 79 5 3 13 37 5 1 48 12 0 47 12 0 47 Groove for lock ring mm in Figure 5 HMP7 Probe Head Dimensions Vaisala HUMICAP Humidity and Temper...

Страница 13: ...the true temperature of the measured environment is updated to the temperature compensation register of the probe from another measurement instrument for example the TMP1 probe Output parameters such...

Страница 14: ...h an installation valve Operating pressure 0 4 MPa 0 40 bar ISO1 2 and NPT1 2 probe fittings and press handle included Sintered AISI316L filter standard in delivery 2 10 TMP1 Probe 130 5 12 3 2 0 13 6...

Страница 15: ...wall or other surface using the two mounting clips Vaisala item 243257SP supplied with the probe Each clip attaches to the installation surface with one screw screw hole 4 2 mm 4 Cable to Modbus mast...

Страница 16: ...dy Pin Function Notes Wire Colors in Vaisala Cables 1 Power supply Supply voltage HMP7 18 30 VDC Other models 15 30 VDC Typical current 10 mA max 500 mA Brown 2 RS 485 White 3 Power GND Blue 4 RS 485...

Страница 17: ...ch as measurement filtering chemical purge heating and serial communication Download Vaisala Insight software at www vaisala com insight The probe can be connected to Vaisala Insight software using a...

Страница 18: ...Configuration Registers page 50 Insight software is the recommended way to change the probe configuration You can restore the probe back to its default settings using the Factory Default Settings Res...

Страница 19: ...on with LED available for certain models 2 Locking wheel insert probe hold in place and turn the wheel counterclockwise 3 Cable to probe head 4 Wireless configuration interface WLAN activation button...

Страница 20: ...obe Indigo transmitters are host devices that extend the feature set of connected probes with a range of additional options for outputs configuration access measurement viewing and status monitoring T...

Страница 21: ...mmended for strain relief 2 Turn the locking wheel of the transmitter to lock the probe or cable in place Do not turn the probe or the cable itself as that will damage the connectors 3 If you are usin...

Страница 22: ...mobile device or computer Most major browsers for example Firefox Chrome Safari and Internet Explorer are supported using the most recent version is recommended 5 4 Connecting to Wireless Configurati...

Страница 23: ...e Password field empty b To log in as admin required for configuration select Admin in the User name dropdown and type the admin password default 12345 in the Password field 2 Select Log in after ente...

Страница 24: ...ons Avoid touching the filter If you need to touch the filter always wear clean gloves cotton rubber or similar material Keep the filter free of any grease or oil Do not scrape the probe or the probe...

Страница 25: ...r but depending on the application it may be necessary to check the accuracy more frequently When adjustment is necessary you can have Vaisala calibrate and adjust the probe To order calibration servi...

Страница 26: ...ala When adjustment of humidity measurement is necessary Vaisala recommends adjusting in two points 11 RH and 75 RH These humidities can be produced using the Vaisala HMK15 Humidity Calibrator Adjustm...

Страница 27: ...ters the measured values for the calibration point 6 If you want to adjust in more than one point repeat step 5 for all desired calibration points You can adjust humidity measurement in up to five poi...

Страница 28: ...cy at 23 C 73 4 F 1 2 0 1 C 0 18 F 1 Defined against calibration reference 2 Exposing temperature sensor to temperatures outside 20 150 C 4 302 F may cause permanent additional deviation of 0 1 C 0 18...

Страница 29: ...RH 0 8 RH 40 95 RH Uncertainty of temperature calibration k 2 0 1 C 0 18 F at 23 C 73 4 F Table 6 Operating Environment Property Description Value Operating temperature range for probe body 40 80 C 4...

Страница 30: ...ter concentration water mass fraction water vapor pressure enthalpy Table 8 Mechanical Specifications Property Description Value Probe fitting M22x1 5 and NPT1 2 fittings included Connector M12 5 Weig...

Страница 31: ...ture sensor to temperatures outside 20 150 C 4 302 F may cause permanent additional deviation of 0 1 C 0 18 F 0 0 0 5 1 0 1 5 2 0 2 5 3 0 40 30 20 10 0 10 20 30 40 50 60 70 80 90 100 110 120 Accuracy...

Страница 32: ...perature calibration k 2 0 1 C 0 18 F at 23 C 73 4 F Table 11 Operating Environment Property Description Value Operating temperature range for probe body 40 80 C 40 176 F Operating temperature range f...

Страница 33: ...n water vapor pressure enthalpy Table 13 Mechanical Specifications Property Description Value Connector M12 5 Weight 436 g 15 37 oz Materials Probe AISI316L Probe body AISI316L Cable jacket FEP 7 3 HM...

Страница 34: ...80 90 100 110 120 Accuracy RH Temperature C 3 5 130 140 150 160 170 180 4 0 90 10 0 R H 0 90 RH Figure 22 HMP7 Humidity Measurement Accuracy as Function of Temperature Including Non Linearity and Repe...

Страница 35: ...ompatibility EN61326 1 Electrical equipment for measurement control and laboratory use EMC requirements Industrial environment Table 17 Inputs and Outputs Property Description Value Operating voltage...

Страница 36: ...nt range 0 100 RH Accuracy at 23 C 73 4 F 1 0 8 RH 0 90 RH T63 response time 15 s Temperature Sensor Pt100 RTD Class F0 1 IEC 60751 Measurement range 70 180 C 94 356 F Accuracy at 23 C 73 4 F 1 2 0 1...

Страница 37: ...0 1 0 2 0 3 0 4 Accuracy C Temperature C 40 30 20 10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 0 5 70 60 50 Figure 25 HMP8 Temperature Measurement Accuracy over Full Range Inclu...

Страница 38: ...rty Description Value Operating voltage 15 30 VDC Current consumption 10 mA typical 500 mA max Digital output RS 485 non isolated Default serial settings 19200 bps N 8 2 Protocols Modbus RTU Output Pa...

Страница 39: ...0 2 0 3 0 4 Accuracy C Temperature C 40 30 20 10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 0 5 70 60 50 Figure 26 TMP1 Temperature Measurement Accuracy over Full Range Includin...

Страница 40: ...e Operating voltage 15 30 VDC Current consumption 10 mA typical Digital output RS 485 non isolated Default serial settings 19200 bps N 8 2 Protocols Modbus RTU Output parameters Temperature water vapo...

Страница 41: ...ng body M22x1 5 or NPT1 2 41 1 61 12 0 47 32 mm 27 mm mm in Figure 28 HMP4 Probe Head Dimensions 41 1 61 12 0 47 13 5 0 53 253 9 96 243 9 57 mm in Figure 29 HMP5 Probe Head Dimensions 99 5 3 92 79 5 3...

Страница 42: ...body ISO1 2 or NPT1 2 mm in Figure 31 HMP8 Probe Head Dimensions 130 5 12 3 2 0 13 6 0 24 mm in Figure 32 TMP1 Probe Head Dimensions 135 370 5 31 14 56 50 1 96 75 2 95 mm in Figure 33 Optional Duct Ki...

Страница 43: ...igo 200 Series See order form Connection Cables Connection cable to Indigo 1 m INDIGOCABLE1M Connection cable to Indigo 3 m INDIGOCABLE3M Connection cable to Indigo 5 m INDIGOCABLE5M Connection cable...

Страница 44: ...tion cable to Indigo 1 m INDIGOCABLE1M Connection cable to Indigo 3 m INDIGOCABLE3M Connection cable to Indigo 5 m INDIGOCABLE5M Connection cable to Indigo 10 m INDIGOCABLE10M Open wires 1 5 m 223263S...

Страница 45: ...able to Indigo 10 m INDIGOCABLE10M Open wires 1 5 m 223263SP Open wires 10 m 216546SP Open wires and 90 plug 244669SP Flat cable 1 m M12 5 CBL210493SP USB PC connection cable 1 242659 Filters Sintered...

Страница 46: ...to Indigo 5 m INDIGOCABLE5M Connection cable to Indigo 10 m INDIGOCABLE10M Open wires 1 5 m 223263SP Open wires 10 m 216546SP Open wires and 90 plug 244669SP Flat cable 1 m M12 5 CBL210493SP USB PC co...

Страница 47: ...nnection cable to Indigo 10 m INDIGOCABLE10M Open wires 1 5 m 223263SP Open wires 10 m 216546SP Open wires and 90 plug 244669SP Flat cable 1 m M12 5 CBL210493SP USB PC connection cable 1 242659 Access...

Страница 48: ...ch probe on the line to have a different Modbus address A 2 Function Codes Table 35 Modbus Function Codes Function Code Decimal Function Code Hexadecimal Name Notes 03 03hex Read Holding Registers Cla...

Страница 49: ...value is returned for unavailable values A quiet NaN is for example 7FC00000hex however the master should understand any NaN value A complete 32 bit floating point or integer value should be read and...

Страница 50: ...ccess outside the applicable register ranges A 4 1 Measurement Data Registers Table 37 Modbus Measurement Data Registers Read Only Address Decimal Address Hexadecimal Register Description Data Format...

Страница 51: ...16 bit signed integer C 262 0105hex Dew frost point temperature at 1 atm 16 bit signed integer C 263 0106hex Dew point temperature at 1 atm 16 bit signed integer C 264 0107hex Absolute humidity 16 bit...

Страница 52: ...asurement is disabled for the duration of heating and cooling 16 bit boolean 0 off default 1 on 1289 0508hex Probe heating on off Available on HMP7 model only When on relative humidity measurement is...

Страница 53: ...Off 1 On 1284 0503hex Startup purge on off 16 bit boolean 0 Off 1 On Filtering 795 031Ahex Measurement filtering factor 32 bit float Range 0 000 1 000 1 000 Reading shows 100 of the most recent measur...

Страница 54: ...4 Odd 8 1 5 Odd 8 2 default 1 None 8 2 1540 0603hex Response delay 16 bit integer Unit ms Range 0 1000 Functions 1542 0605hex Restart device 16 bit function status When writing to register 1 Restart...

Страница 55: ...ice for example K0710040 129 81hex Calibration date Date of the factory calibration 130 82hex Calibration text Information text of the factory calibration A 4 4 Test Value Registers Read the known tes...

Страница 56: ...ding Registers 00hex Register address 04hex Number of data bytes 00hex 7Ahex Value of first register least significant word 00hex Number of 16 bit registers to read 2 E1hex 02hex 41hex Value of second...

Страница 57: ...registers written 2 02hex 02hex 04hex Number of data bytes ADhex Modbus RTU checksum 6Ehex Value for first register least significant word 54hex 14hex 44hex Value for second register least significant...

Страница 58: ...on format 0300hex 0 based format used in actual communication Data format Two 16 bit Modbus registers interpreted as IEEE 754 binary32 floating point value least significant word first Value to write...

Страница 59: ...s Please see the applicable supply contract or Conditions of Sale for details of the warranty for each product Technical Support Contact Vaisala technical support at helpdesk vaisala com Provide at le...

Страница 60: ...www vaisala com...

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