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4. Modbus Communication

Transmitters ordered with the Modbus configuration option are accessed using the Modbus

serial communication protocol. The supported Modbus variant is Modbus RTU (Serial Modbus)
over RS-485 interface.

The supported Modbus functions and registers are described in

Modbus Reference (page 78)

The following table lists the default Modbus serial settings of devices ordered with the Modbus
configuration option.

Table 4 Default Modbus Serial Communication Settings

Description

Default Value

Serial bit rate

19200

Parity

Number of data bits

Number of stop bits

Modbus device address

240

Serial delay

Communication mode

Modbus RTU

Use Vaisala Insight software to change the Modbus serial communication settings if needed.

More Information

‣

Vaisala Insight Software (page 29)

HMDW110 User Guide

M211726EN-D

Содержание hmdw110 series

Страница 1: ...M211726EN D User Guide Vaisala Humidity and Temperature Transmitter Series HMDW110 ...

Страница 2: ... change without prior notice Local rules and regulations may vary and they shall take precedence over the information contained in this document Vaisala makes no representations on this document s compliance with the local rules and regulations applicable at any given time and hereby disclaims any and all responsibilities related thereto This document does not create any legally binding obligation...

Страница 3: ...Installation 16 3 3 HMW110 112 Installation 18 3 4 HMS110 112 Installation 20 3 5 Wiring Devices With Analog Output 24 3 5 1 Wiring Both Current Loops With a Single Power Supply 25 3 5 2 HMDW110 Power Supply Requirements 25 3 5 3 Wiring HMDW110 With RDP100 Remote Display Panel 26 3 6 Wiring Devices With Modbus Output 27 4 Modbus Communication 28 5 Vaisala Insight Software 29 5 1 Connecting to Insi...

Страница 4: ...o Point Temperature Calibration and Adjustment Using Computer 62 7 7 Replacing HUMICAP Sensor on HMD110 112 and HMW110 112 65 7 8 Replacing HUMICAP Sensor on HMS110 112 67 7 9 Filter Selection 68 8 Troubleshooting 69 8 1 Problem Situations 69 8 2 Error Messages in Insight Software 70 8 3 Error Codes in MI70 Handheld Meter 71 8 4 Unknown Serial Settings 72 9 Technical Data 73 9 1 Dimensions 75 9 2 ...

Страница 5: ...Recycling 87 Table of Contents 3 ...

Страница 6: ...12 Installation 19 Figure 8 HMDW110 Wiring Analog Output 24 Figure 9 HMDW110 Wiring With Single Power Supply 25 Figure 10 HMDW110 Supply Voltage Operating Region 25 Figure 11 HMDW110 Wiring With RDP100 Remote Display Panel 26 Figure 12 HMDW110 Wiring Modbus Output 27 Figure 13 PuTTY Terminal Application 32 Figure 14 HMS110 112 Dimensions 75 Figure 15 HMD110 112 Dimensions 75 Figure 16 HMW110 112 D...

Страница 7: ...e 19 Modifiers for Form Command 42 Table 20 Open Command 43 Table 21 Close Command 43 Table 22 Addr Command 43 Table 23 Seri Command 44 Table 24 Sdelay Command 44 Table 25 Smode Command 45 Table 26 Aerr Command 46 Table 27 Amode Command 46 Table 28 Aover Command 46 Table 29 Asel Command 47 Table 30 Cdate Command 48 Table 31 Crh Command 48 Table 32 Crhclr Command 49 Table 33 Ct Command 49 Table 34 ...

Страница 8: ...gs 78 Table 50 Modbus Function Codes 78 Table 51 Modbus Measurement Data Registers Read Only 79 Table 52 Modbus Status Registers Read Only 80 Table 53 Error Codes on Modbus Interface 80 Table 54 Modbus Configuration Data Registers Writable 81 Table 55 Modbus Test Registers Read Only 82 Table 56 Device Identification Objects 82 HMDW110 User Guide M211726EN D 6 ...

Страница 9: ... M211726EN B September 2014 Applicable from transmitter software version 1 0 7 onward Added cdate and ctext commands Added section Regulatory Compliances Updated section Troubleshooting Updated list of spare parts and accessories 1 2 Related Manuals Table 2 Related Manuals Document Code Description M211692EN Vaisala HMDW110 Series Humidity and Temperature Transmitters Quick Guide M210297EN Vaisala...

Страница 10: ...ently Lists tools needed to perform the task Indicates that you need to take some notes during the task 1 4 Trademarks Vaisalaâ and HUMICAPâ are registered trademarks of Vaisala Oyj Windowsâ is either a registered trademark or trademark of Microsoft Corporation in the United States and other countries All other product or company names that may be mentioned in this publication are trade names trad...

Страница 11: ...activated Modbus RTU functionality When used as loop powered current output transmitters HMDW110 series transmitters can be connected to Vaisala Remote Display Panel RDP100 for real time viewing of the measurements HMDW110 series can also supply the operating power to the display using only the loop power from the outputs 2 2 Output Parameters Explained HMDW110 series transmitters offer several ou...

Страница 12: ...pe label on your transmitter to verify its output parameters and scaling of the output channels 2 3 HMD110 112 Parts 1 8 2 4 3 5 6 7 Figure 1 HMD110 112 Parts 1 PTFE membrane filter 2 Sensors for humidity and temperature 3 Fastening flange 4 Tightening screw for fastening flange 5 Type label 6 Transmitter cover 7 Component board 8 Cable glands for 4 8 mm diameter cable More Information Component B...

Страница 13: ...or mounting 2 pcs 2 Cable gland for 4 8 mm diameter cable 3 Sensors for humidity and temperature 4 Porous PTFE filter DRW239993SP 5 Type label 6 Component board 7 Probe 8 Transmitter cover with captive screws More Information Component Board page 13 Chapter 2 Product Overview 11 ...

Страница 14: ...2 5 HMS110 112 Parts 1 2 3 4 5 6 7 8 9 10 11 Figure 3 HMS110 112 Parts HMDW110 User Guide M211726EN D 12 ...

Страница 15: ...able for 4 8 mm diameter cable 2 6 Component Board All HMDW110 transmitter models use the same component board which has 2 output types Modbus mode RS 485 and analog mode current output The output type is selected when ordering the device See the type label of the device to see the chosen output type The component board has also a service port for configuration and calibration use 8 T 7 T 6 HUM 5 ...

Страница 16: ...ate using the aerr command For configuration of the analog outputs using serial commands see Analog Output page 46 2 8 Safety The Vaisala HMDW110 series transmitter delivered to you has been tested for safety and approved as shipped from the factory Note the following precautions Do not modify the unit or use it in ways not described in the documentation Improper modification may lead to safety ha...

Страница 17: ...ective Conformity is shown by compliance with the following standards EN 50581 Technical documentation for the assessment of electrical and electronic products with respect to the restriction of hazardous substances EN 61326 1 Electrical equipment for measurement control and laboratory use EMC requirements Immunity test requirements for equipment intended to be used in an industrial electromagneti...

Страница 18: ... transmitter near heat and moisture sources close to the discharge of the supply air ducts and in direct sunlight When mounting outdoor transmitters Install in a location with a good airflow around the transmitter Avoid placing the transmitter near windows air conditioning units or other heat and moisture sources such as cooling towers Install the transmitter at least 2 5 m above ground level 3 2 ...

Страница 19: ... size of the installation holes on the side of the duct 3 Drill the installation holes in the duct Secure the fastening flange to the duct with the two screws included 4 Push the probe of the transmitter through the flange and into the duct The probe should reach far enough so that the sensor is located in the middle of the duct Figure 6 HMD110 112 Centering Inside Duct Chapter 3 Installation 17 ...

Страница 20: ...omponent Board page 13 Wiring Devices With Analog Output page 24 Wiring Devices With Modbus Output page 27 3 3 HMW110 112 Installation Medium size crosshead screwdriver Pozidriv for cover screws Small slotted screwdriver for screw terminals Two installation screws Ø 3 5 mm head Ø 8 mm Depending on the wall material and screw type you may need a drill and a suitable drill bit to make installation h...

Страница 21: ...en the transmitter cover and route the cable through the cable gland Connect the wires to the screw terminals according to the wiring instructions 3 Tighten the cable gland and close the transmitter cover 4 Remove the yellow transport protection cap from the probe More Information Component Board page 13 Wiring Devices With Analog Output page 24 Wiring Devices With Modbus Output page 27 Chapter 3 ...

Страница 22: ...ls for wall installation Drill and bits Screws 2 pcs Ø 5 5 mm and wall plugs Cable clips for securing the cable to the wall 1 Open the six screws that hold the transmitter cover 2 Route the power and signal cable through the cable gland and connect the wires to the screw terminals according to the wiring instructions Wiring Devices With Analog Output page 24 Wiring Devices With Modbus Output page ...

Страница 23: ...ble gland and the terminal blocks Make the cable short enough to close the cover without leaving a cable loop in the transmitter 4 Disconnect the wired screw terminal blocks by pulling them off from the component board Chapter 3 Installation 21 ...

Страница 24: ...upplied clamp and screws to mount the transmitter on a pole 2 To prevent the transmitter from turning on the pole tighten the set screw on the center hole of the clamp Wall installation 1 Drill two holes for wall plugs 100 mm apart 2 Place the wall plugs in the holes HMDW110 User Guide M211726EN D 22 ...

Страница 25: ...3 Mount the transmitter using two screws of sufficient length 100 mm Ø 5 5 mm Chapter 3 Installation 23 ...

Страница 26: ...itter along the cable 3 5 Wiring Devices With Analog Output With HMDW110 transmitters ordered with analog output you must always connect the humidity measurement current loop HUM terminals 5 and 6 to power the transmitter Connecting the temperature measurement current loop terminals 7 and 8 is optional 8 T 7 T 6 HUM 5 HUM A A Power supply Power supply 2 x 4 20 mA RL 0 600 Ω Figure 8 HMDW110 Wiring...

Страница 27: ... Supply 3 5 2 HMDW110 Power Supply Requirements HMDW110 series transmitters are designed for a supply voltage range of 10 28 VDC The minimum required voltage depends on the loop resistance 0 600 Ω as shown below Supply voltage VDC Loop resistance Ω 600 0 0 20 28 10 300 Operating region Figure 10 HMDW110 Supply Voltage Operating Region Chapter 3 Installation 25 ...

Страница 28: ... temperature measurement current loop terminals 7 and 8 is optional Connect the RDP100 remote display panel using terminals 1 4 The HMDW110 series transmitter provides both power and data to the RDP100 Terminals 1 4 shall be used only for connecting the RDP100 optional when using the analog outputs If the RDP100 is not used terminals 1 4 must be left unconnected Otherwise the analog outputs may ou...

Страница 29: ...st be connected between the RS 485 host and the HMDW110 transmitter DC power supply 4 Pwr 3 Pwr 2 RS485 1 RS485 RS 485 host RS 485 RS 485 RS 485 common Figure 12 HMDW110 Wiring Modbus Output Do not connect the analog outputs terminals 5 8 at the same time when supply power and or Modbus output is connected to terminals 1 4 Having both terminals connected simultaneously may result in erroneous anal...

Страница 30: ... following table lists the default Modbus serial settings of devices ordered with the Modbus configuration option Table 4 Default Modbus Serial Communication Settings Description Default Value Serial bit rate 19200 Parity N Number of data bits 8 Number of stop bits 2 Modbus device address 240 Serial delay 0 Communication mode Modbus RTU Use Vaisala Insight software to change the Modbus serial comm...

Страница 31: ... settings filtering factor and analog output parameters and scaling Calibrate and adjust the device 1 HMDW110 settings and adjustment functions are available through the settings wheel in the Insight Devices view Insight software guides you when changing the settings and performing adjustments on the transmitter However please read carefully Calibration and Adjustment page 54 before performing adj...

Страница 32: ... shown in Component Board page 13 If the other terminal block is wired terminals 1 4 pull it out also This prevents the communication between the transmitter and the RDP100 remote display panel or Modbus RS 485 host from interfering with your connection 1 Open the Insight software 2 Connect the USB cable to a free USB port on the PC 3 Connect the USB cable to the service port of the transmitter 4 ...

Страница 33: ...llowing steps 1 Open the cover of the HMDW110 series transmitter 2 If the terminal block for terminals 5 8 is wired pull it out This disconnects the transmitter from supply voltage and prevents possible equipment damage that may be caused by ground loops The locations of the terminal blocks and the service port are shown in Component Board page 13 3 If the other terminal block is wired terminals 1...

Страница 34: ...SB driver You can check which port the USB cable is using with the Vaisala USB Device Finder application that has been installed in the Windows Start menu You can also access the USB finder directly from the Vaisala supplied PuTTY application by selecting USB Finder on the Serial USB tab The default serial line settings are needed for compatibility with the RDP100 remote display panel If you are n...

Страница 35: ...OM port using the default settings 19200 8 N 1 no flow control 3 Keep the Enter key pressed down and connect the other end of the USB cable to the transmitter This will cause the transmitter to start in serial mode using the default serial settings You can now use the transmitter with the terminal program To prevent Modbus mode from being restored on the next power up select a different serial mod...

Страница 36: ... output of measurement messages s Stop continuous output of measurement messages sdelay Show or set serial line turnaround delay send Output one measurement message seri Set serial line settings Default is 19200 N 8 1 smode Set serial line operation mode unit Set units to metric m or non metric n Analog Output aerr Show or set error level for analog output amode Show analog output settings aover E...

Страница 37: ...t and gain Other Commands filt Show or set measurement filtering frestore Restore factory settings Clears all user settings factory calibration remains reset Reset the device 6 5 Device Information and Status Table 6 Command Syntax Description cr Show listing of device information cr Show listing of device information even if device is in poll mode and connection has not been opened using the open...

Страница 38: ... 100 00 RH Ch2 T lo 40 00 C Ch2 T hi 60 00 C Table 7 Errs Command Syntax Description errs cr Show active error s Possible error messages are listed in Error Messages in Insight Software page 70 Example no active errors errs 0000h No errors Table 8 Error Messages on ERRS Command ERRS Command Response Corresponding Error T MEAS error Temperature measurement error 44 F meas error Humidity measurement...

Страница 39: ...ents corrupted 52 CURRENT check sum error Main configuration settings corrupted 53 Voltage error Supply voltage out of range 55 General flash failure w r Non volatile memory read write failure 57 Calibration certificate check sum failure Calibration certificate checksum mismatch 58 Refer to Error Messages in Insight Software page 70 for more information about the error states Table 9 Help Command ...

Страница 40: ...EL ATEST CDATE CLOSE CRH CRHCLR CT CTCLR CTEXT ERRS FCRH FILT FORM FRESTORE HELP INTV L LI OPEN R RESET S SDELAY SEND SERI SMODE SYSTEM TIME UNIT Table 10 System Command Syntax Description system cr Show firmware information HMDW110 User Guide M211726EN D 38 ...

Страница 41: ...since last reset in hh mm ss Example time Time 00 54 51 6 6 Serial Line Output and Communication 6 6 1 Measurement Output Table 12 Send Command Syntax Description send cr Output a single measurement message send aaa cr Output a single measurement message from the device with the defined address aaa address of target device range 0 255 Example send 5T 22 8 C RH 39 8 RH Td 8 4 C Tw 14 6 C h 40 5 kJ ...

Страница 42: ... 5 RH Td 8 3 C Tw 14 5 C h 40 4 kJ kg T 22 8 C RH 39 5 RH Td 8 3 C Tw 14 5 C h 40 4 kJ kg s Since the interface is half duplex you must enter the s command when the device is not outputting Table 15 Intv Command Syntax Description intv cr Show the output interval of the automatically repeating measurement messages r command and run mode intv iii u cr Set the output interval iii interval range 0 25...

Страница 43: ... Command Syntax Description form cr Show the currently used measurement format form cr Reset measurement format to default form sss cr Set a new measurement format sss String consisting of modifiers and abbreviations for measured parameters See Table 18 page 42 and Table 19 page 42 Maximum length 127 characters Example show currently used measurement format default format shown form 3 1 T T U3 3 1...

Страница 44: ...ommand Temperature t Relative humidity rh Dew point td Enthalpy h Wet bulb temperature tw Table 19 Modifiers for Form Command Modifier Description x y Length modifier number of digits and decimal places t Tabulator r Carriage return n Line feed xxx ASCII character with decimal code xxx String constant ux Name of the measurement unit using x number of characters For example u3 shows the name of the...

Страница 45: ...n open aaa cr Open a connection to a device at the specified address Required when device is in poll mode Address range 0 255 Example open 5 HMDW110 5 line opened for operator commands Table 21 Close Command Syntax Description close cr Close the connection that was opened with the open command Example close line closed Table 22 Addr Command Syntax Description addr cr Show current device address an...

Страница 46: ...00 1200 2400 4800 9600 19200 38400 or 57600 1 p parity n none e even o odd d data bits 7 or 8 s stop bits 1 or 2 Example show current serial line settings seri Baud P D S 19200 N 8 1 1 Modbus output works only with baud rate 9600 and above Keep the serial line settings at default 19200 N 8 1 for compatibility with the RDP100 display panel Table 24 Sdelay Command Syntax Description sdelay cr Show s...

Страница 47: ...mmands available Default mode run Automatic output of measurement messages You must stop output with the s command before entering other commands poll No automatic output Will respond to addressed send command and command You can use other commands after opening a connection using an addressed open command Modbus No automatic output Measurement outputs must be read from the transmitter using the M...

Страница 48: ...mA Example set error level for both analog output channels to 21 mA aerr Ch1 error out 3 600 I 21 Ch2 error out 3 600 I 21 Table 27 Amode Command Syntax Description amode cr Show currently set analog output mode Example amode Ch1 output 4 20 mA Ch2 output 4 20 mA Table 28 Aover Command Syntax Description aover cr Show current aover status aover on off cr Set analog output overrange to on Allow out...

Страница 49: ...h relative humidity td dew point h enthalpy tw wet bulb temperature asel ch1 ch2 ch1lo ch1hi ch2lo ch2hi cr Set analog output parameters and scaling for both channels without prompting ch1 Output parameter for channel 1 Parameters as above ch2 Output parameter for channel 2 Parameters as above ch1lo Low limit for channel 1 scaling ch1hi High limit for channel 1 scaling ch2lo Low limit for channel ...

Страница 50: ...01 Table 31 Crh Command Syntax Description crh cr Start the two point humidity calibration and adjustment sequence For a full adjustment procedure see Two Point Humidity Calibration and Adjustment Using Computer and HMK15 Humidity Calibrator page 59 crh ref cr Perform a one point adjustment at the current relative humidity The device calculates the required correction based on the reference humidi...

Страница 51: ...omputer page 62 ct ref cr Perform a one point adjustment at the current temperature The device calculates the required correction based on the reference temperature that you enter ref the correct temperature in degrees Celcius at the environment where the sensor is now Example ct T 22 9424 1 ref 23 0 Press any key when ready T 54 9873 2 ref 55 OK Table 34 Ctclr Command Syntax Description ctclr cr ...

Страница 52: ...he humidity sensor of the device yourself you must perform a two point humidity calibration and adjustment using this command Follow the procedure in Two Point Humidity Calibration and Adjustment Using Computer and HMK15 Humidity Calibrator page 59 Example fcrh RH 11 3143 1 ref 11 3 Press any key when ready RH 75 0012 2 ref 75 4 OK Table 37 L Command Syntax Description l cr Show the current offset...

Страница 53: ...offset and gain parameters for user adjustment Useful for restoring some earlier state of user adjustment Use this command only to restore values you have previously written down based on the output from the l command or to restore the default offset and gain Example shows adjustment has been applied to humidity measurement offset overwrites it with 0 li Cp offset 1 50922060E 01 0 Cp gain 1 000000...

Страница 54: ...rements filt cr View the current setting Also prompts you to enter a new value Example view the current value and set filtering to value 0 5 filt Filter 1 000 0 5 Table 40 Frestore Command Syntax Description frestore cr Restores the factory default settings All user made settings are lost including user calibration Reset the transmitter after giving this command If you have replaced the HUMICAP hu...

Страница 55: ...Table 41 Reset Command Syntax Description reset cr Resets the device Example reset HMDW110 2 2 3 Chapter 6 Using Service Port With Terminal Application 53 ...

Страница 56: ...ry You can use the service port to calibrate and adjust the humidity and temperature measurement of the transmitter as needed If you think the transmitter is not measuring correctly check the following before starting any calibration and adjustment procedure Always wait for measurement instruments to stabilize in the ambient temperature Temperature differences are a major source of measurement err...

Страница 57: ... Reference Probe page 56 One Point Humidity Calibration and Adjustment Using Handheld Meter and HMK15 Humidity Calibrator page 58 Two Point Humidity Calibration and Adjustment Using Computer and HMK15 Humidity Calibrator page 59 Two Point Temperature Calibration and Adjustment Using Computer page 62 7 2 2 Adjustment Points HMDW110 series transmitters have two adjustment points for both humidity me...

Страница 58: ...nd prevents possible equipment damage that may be caused by ground loops The locations of the terminal blocks and the service port are shown in Component Board page 13 c If the other terminal block is wired terminals 1 4 pull it out also This prevents the communication between the transmitter and the RDP100 remote display panel from interfering with your connection 4 Plug in connection cable 21998...

Страница 59: ...thin its accuracy specification there is no need to proceed with the adjustment Select Back Exit to leave the adjustment mode If adjustment is required continue with the next step 13 Select Adjust To same as RH I 14 The MI70 will ask Do you really want to adjust Select Yes MI70 shows the text Adjustment done and returns to the adjustment mode after a few seconds 15 Check the value of the delta par...

Страница 60: ...P to the service port of the HMDW110 series transmitter and the other end to port I of the MI70 indicator If any other probes are connected to the MI70 disconnect them 3 Remove the filter on the probe This exposes the sensors to damage so handle the transmitter carefully 4 Unplug the Ø12 mm hole on the HMK15 salt jar and insert the probe 5 Wait at least 15 minutes for humidity to stabilize Stabili...

Страница 61: ... the terminal blocks and close the cover More Information Error Codes in MI70 Handheld Meter page 71 7 5 Two Point Humidity Calibration and Adjustment Using Computer and HMK15 Humidity Calibrator You can also use Vaisala Insight software for performing calibration and adjustment See Vaisala Insight Software page 29 Computer with Windows operating system Terminal application Free USB port Driver fo...

Страница 62: ... transmitter and the other end to a free USB port on your computer 3 Remove the filter on the probe This exposes the sensors to damage so handle the transmitter carefully 4 Unplug the Ø12 mm hole on the LiCl 11 RH salt jar and insert the probe 5 Wait at least 15 minutes for humidity to stabilize Stabilization may take much longer if there are temperature differences or the salt solution is freshly...

Страница 63: ...c key on your keyboard 11 Transfer the probe to the NaCl 75 RH salt jar Plug the hole on the LiCl 11 RH jar 12 Wait for the humidity to stabilize Press Enter on the keyboard to refresh the measured value Press any key when ready RH 74 6984 2 ref cr RH 74 7173 2 ref cr 13 When the measurement is stable enter the value of the second reference point and press Enter RH 74 9684 2 ref 75 4 OK 14 If the ...

Страница 64: ...ar 17 Update the calibration date and calibration information on the transmitter using the cdate and ctext commands Example Set calibration date to 2018 07 04 and calibration info text to Lab2 Mike cdate 20180704 Cal date 20180704 ctext Lab2 Mike Cal info Lab2 Mike 18 Disconnect the connection cable from the service port 19 Reconnect the terminal blocks and close the cover 7 6 Two Point Temperatur...

Страница 65: ...e communication between the transmitter and the RDP100 remote display panel from interfering with your connection 2 Plug in connection cable 219690 to the service port of the HMDW110 series transmitter and the other end to a free USB port on your computer 3 Insert the probe in the first temperature reference 4 Wait at least 15 minutes for temperature to stabilize 5 Start a terminal application on ...

Страница 66: ...d 10 Transfer the probe to the second temperature reference 11 Wait for the temperature to stabilize Press Enter on the keyboard to refresh the measured value Press any key when ready T 54 9871 2 ref cr T 54 9873 2 ref cr 12 When the measurement is stable enter the value of the second reference point and press Enter T 54 9873 2 ref 55 OK 13 Give the l command to verify that new values for user adj...

Страница 67: ... connection cable from the service port 17 Reconnect the terminal blocks and close the cover 7 7 Replacing HUMICAP Sensor on HMD110 112 and HMW110 112 New HUMICAPâ humidity sensor HUMICAP180R or HUMICAP180V New filter always recommended when replacing the sensor Duct models only medium size crosshead screwdriver Pozidriv 1 Power down the transmitter 2 Duct models only loosen the tightening screw o...

Страница 68: ... the new one 5 Perform a two point humidity calibration on the serial line using the FCRH command 6 Insert the new filter 7 Duct models only push the probe back into the duct to the same depth where it was before Tighten the tightening screw on the fastening flange 8 Power up the transmitter More Information Two Point Humidity Calibration and Adjustment Using Computer and HMK15 Humidity Calibrator...

Страница 69: ... takes advantage of the detachable screw terminal to allow the cable to remain in place during the operation 1 Power down the transmitter 2 Open the transmitter cover and unplug the screw terminal This allows you to leave the cable and cover at the installation site 3 Remove the transmitter from its installation point 4 Open the two long screws that hold the radiation shield and pull them out 5 Us...

Страница 70: ...mmand 10 Insert the new filter 11 Reassemble remount and reconnect the transmitter 12 Power up the transmitter More Information Two Point Humidity Calibration and Adjustment Using Computer and HMK15 Humidity Calibrator page 59 7 9 Filter Selection When replacing the filter note that there are two alternative filter options depending on the probe model HMS and HMD products use the membrane filter V...

Страница 71: ...e filter and gently dry the sensors and the filter with clean instrument air Sensor damage Remove the filter and visually check the sensors for damage Contact a Vaisala Service Center if repair is needed Note that you can also replace the humidity sensor yourself Refer to instructions in Replacing HUMICAP Sensor on HMD110 112 and HMW110 112 page 65 and Replacing HUMICAP Sensor on HMS110 112 page 6...

Страница 72: ...Error Likely Cause Suggested Solution Temperature measurement error 44 Temperature sensor is short circuited damaged or missing Check that the legs of the temperature sensor are not short circuited Contact a Vaisala Service Center if the temperature sensor is damaged Humidity measurement error 45 Humidity sensor is wet Wait for the humidity sensor to dry or remove the filter and gently dry the sen...

Страница 73: ...ificate checksum mismatch 58 In case of constant error contact a Vaisala Service Center More Information Technical Support page 87 8 3 Error Codes in MI70 Handheld Meter If several errors are active at the same time the MI70 shows the sum of currently active error codes The label hex might not be displayed in MI70 Refer to Error Messages in Insight Software page 70 for more information about the e...

Страница 74: ...n settings corrupted 53 800hex Supply voltage out of range 55 2000hex Non volatile memory read write failure 57 4000hex Calibration certificate checksum mismatch 58 8 4 Unknown Serial Settings You can check the current serial settings of your transmitter by connecting to the serial line or with Vaisala Insight software More Information Vaisala Insight Software page 29 Accessing Service Port Comman...

Страница 75: ...5 RH year Humidity sensor Vaisala HUMICAPâ 180R Temperature Measurement range 40 60 C 40 140 F Accuracy at 20 C 68 F 0 2 C 0 36 F Temperature dependence 0 01 C C Temperature sensor Pt1000 RTD Class F0 1 IEC 60751 Calculated Parameters Measurement range for dew point temperature and wet bulb temperature 40 60 C 40 140 F Measurement range for enthalpy 40 460 kJ kg 10 190 BTU lb Accuracy of the calcu...

Страница 76: ...cifications Property Description Value Maximum wire size 1 5 mm2 AWG 16 Standard housing color White RAL9003 Housing material PC 10 GF UL V0 approved Table 47 Inputs and Outputs Property Description Value Devices Ordered With Analog Output Outputs 4 20 mA loop powered Loop resistance 0 600 Ω Supply voltage 20 28VDC at 600 Ω load 10 28VDC at 0 Ω load Interface for RDP100 Remote Display Panel Power ...

Страница 77: ... Dimensions 207 264 2 121 5 Ø5 5 Ø4 8 Ø25 60 100 Figure 14 HMS110 112 Dimensions 99 290 8 250 2 40 6 72 Ø4 8 105 Ø3 5 Ø12 84 26 34 244 5 Ø12 Ø4 8 Figure 15 HMD110 112 Dimensions Chapter 9 Technical Data 75 ...

Страница 78: ...P100 Conduit fitting O ring M16x1 5 NPT1 2 Inch 210675SP Conduit fitting O ring M16x1 5 PG9 RE MS 210674SP Fastening set HMS110 237805 Fastening flange assembly screws included ASM210771SP Porous PTFE Filter DRW239993SP Membrane Filter ASM210856SP Terminal Block Blue 236620SP USB cable for PC connection 219690 Connection cable for HM70 handheld meter 219980SP HMDW110 User Guide M211726EN D 76 ...

Страница 79: ...Item Order Code HUMICAPâ 180R sensor HUMICAP180R Catalytic HUMICAPâ sensor HUMICAP180V Chapter 9 Technical Data 77 ...

Страница 80: ...de Decimal Function Code Hexadecimal Name 03 03hex Read Holding Registers 16 10hex Write Multiple Registers 43 14 2Bhex 0Ehex Read Device Identification A 3 Data Encoding Registers using 32 bit float data format are encoded using the binary32 encoding defined in IEEE 754 also known as single precision floating point format The least significant 16 bits of a floating point number are placed at the ...

Страница 81: ...tion A 4 Modbus Registers Registers are numbered in decimal starting from one Register addresses in actual Modbus messages Modbus Protocol Data Unit PDU start from zero Please check the reference documentation of your Modbus host PLC for the notation of Modbus register addresses CAUTION A 4 1 Measurement Data Registers Table 51 Modbus Measurement Data Registers Read Only Register Number Decimal Ad...

Страница 82: ...ror 45 4 Humidity sensor failure 46 8 Capacitance reference error 47 16 Ambient temperature out of range 48 32 Firmware checksum mismatch 49 64 Device settings corrupted 50 128 Additional configuration settings corrupted 51 256 Sensor coefficients corrupted 52 512 Main configuration settings corrupted 53 2048 Supply voltage out of range 55 8192 Non volatile memory read write failure 57 16384 Calib...

Страница 83: ...ation 1537 0600hex Modbus address 16 bit integer 1 247 1538 0601hex Bit rate b s 1 16 bit integer 5 9600 6 19200 7 38400 8 57600 1539 0602hex Parity data stop bits 1 16 bit integer 0 N81 1 N82 2 E81 3 E82 4 O81 5 O82 1540 0603hex Response delay 16 bit integer 0 1020 ms 1541 0604hex Protocol 16 bit integer 6 Modbus RTU Functions 1542 0605hex Restart device 16 bit integer Write 1 to restart device 1...

Страница 84: ...ts Table 56 Device Identification Objects Object ID Decimal Object ID Hexadecimal Object Name Example Contents 0 00hex VendorName Vaisala 1 01hex ProductCode HMDW110 2 02hex MajorMinorVersion Software version for example 2 2 0 3 03hex VendorUrl http www vaisala com 4 04hex ProductName Vaisala HUMICAPâ Humidity and Temperature Transmitter HMDW110 128 80hex SerialNumber 1 Transmitter serial number f...

Страница 85: ...nction Read Holding 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 register most significant word D1hex Modbus RTU checksum F4hex 2Ahex 05hex Modbus RTU checksum silence for 3 5 bytes End of Modbus RTU frame 06hex silence for 3 5 bytes End of Modbus R...

Страница 86: ...ence for 3 5 bytes End of Modbus RTU frame 3Ehex Value for the second register most significant word The response to a write function informs that the function was correctly received by the device It does not guarantee that the written value was accepted by the device for example in case of out of range values To verify that the value was really accepted by the device read the register value after...

Страница 87: ...Appendix A Modbus Reference 85 ...

Страница 88: ...HMDW110 User Guide M211726EN D 86 ...

Страница 89: ...s of Sale for details of the warranty for each product Technical Support Contact Vaisala technical support at helpdesk vaisala com Provide at least the following supporting information Product name model and serial number Name and location of the installation site Name and contact information of a technical person who can provide further information on the problem For more information see www vais...

Страница 90: ...HMDW110 User Guide M211726EN D 88 ...

Страница 91: ......

Страница 92: ...www vaisala com ...

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Vaisala hmdw110 series, Руководство пользователя

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