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IE-HGS-H5(6)4XX-05 

26 

10.1.5. H6421 - temperature, relative humidity and CO

2

 regulator 

Temperature: 

Accuracy:  

± 0,4 °C (±0,7 °F) 

Range:  

-30 to +105 °C (-22 to 221 °F), includes probe cable 

Resolution: 

0,1 °C (0,2 °F) 

Relative humidity: 

Accuracy:  

± 2,5 %RH from 5 to 95 %RH at 23 °C (73,4 °F) 

Range:  

0 to 100 %RH 

Resolution:   0,1 %RH 

Concentration of CO

2

: 

Accuracy: 

 

± (100 ppm + 5 % of measuring value) at 25°C (77°F)  and 1013 hPa 

Range:  

 

0 to 10000 ppm 

Temperature dependence: typ. 2 ppm CO

2

 / ºC in the range 0 to 50 ºC (32 to 122°F) 

Long term stability:   typ. 20 ppm / year 
Resolution: 

 

1 ppm 

Measuring temperature and humidity range is limited 

in accordance with the graph below. 

 

Response time measurement of temperature and relative humidity 

with stainless steel mesh 

sensor cover (F5200B) and bronze sensor cover (F0000 - selectable option), air flow 1 m/s: 

temperature:    

t90 < 6 min (temperature step 20 °C (36 °F)) 

relative humidity:  

t90 < 30 s (humidity step 65 %RH, constant temperature) 

 

 

Response time measurement of CO

2

 concentration: 

 

 

 

 

t90 < 195 s in „SLOW“ measurement mode 

 

 

 

 

t90 < 75 s in „FAST“ measurement mode 

 

 

10.1.6. Relative humidity and temperature restriction 

 

 

 

 

Содержание H5421

Страница 1: ...CO2 concentration temperature humidity and other calculated humidity variables regulator with RS485 serial output H5421 H5424 H6420 H6421 Instruction Manual ...

Страница 2: ...6 1 MODBUS RTU 18 6 1 1 Supported functions 18 6 1 2 Jumper 18 6 1 3 Modbus registers of the regulator 19 6 1 4 Far controlling of output relays status 19 6 1 5 Output relay alarm condition configuration with using of Modbus communication protocol 20 6 2 PROTOCOL COMPATIBLE WITH ADVANTECH ADAM STANDARD 21 6 2 1 Jumper 22 7 ERROR STATES OF THE DEVICE 23 8 READINGS ON LCD DISPLAY 24 9 PREVENTIVE MAI...

Страница 3: ... device connection please Models marked HxxxxZ are non standard versions of the devices Description is not included in this manual Copyright COMET SYSTEM Ltd It is prohibited to copy and edit this instruction manual and make any changes at all without explicit agreement of COMET SYSTEM Ltd All rights reserved COMET SYSTEM Ltd makes constant development and improvement of all its products That is w...

Страница 4: ... computed values are displayed on dual line LCD It is also possible to display both readings with cyclic overwriting in 4 seconds interval Display can be also switched OFF totally On the left LCD side there are placed three LEDs for CO2 zone level indication 2 Regulator mounting and connection Regulators are designed for wall mounting Device must be mounted on the plane surface to prevent its defo...

Страница 5: ...nce max 240 Ω cable capacity max 65 pF m Outside diameter of the cable for regulator connection must be from 3 to 6 5 mm Suitable cable is e g SYKFY 2x2x0 5 mm2 where one wire pair serves for device powering and the other pair for communication link The cable should be led in one line i e NOT to tree or star Termination resistor should be located at the end For short distance other topology is all...

Страница 6: ...IE HGS H5 6 4XX 05 6 H5421 ...

Страница 7: ...IE HGS H5 6 4XX 05 7 H6421 ...

Страница 8: ...IE HGS H5 6 4XX 05 8 H5424 4 Typical application wiring connection of terminals ...

Страница 9: ...to each relay to set comparing alarm limit if the relay may close if measured value is higher Hi or lower Lo than preset limit delay for while must be preset condition true before relay close its contact and hysteresis for return to open status For binary inputs if it is preset to HI then output relay is closed when input contact is opened if it is preset to Lo then output relay is closed when inp...

Страница 10: ...ation site For this reason it is suitable for accurate measurement to set the altitude of the installation site by TSensor software After power up there is internal check in progress and takes about 20 s During this time LCD display shows instead of CO2 concentration value Parameter setting description is into chapter Regulator setting change at page 12 5 4 Actual regulator preset It is possible t...

Страница 11: ...0 5 4 2 When close output relay High limit HI the relay closes when measured value exceeds preset high limit for longer time than preset delay time Relay goes open when measured value decrease under high limit value minus the hysteresis value See example High limit HI Delay s Hysteresis Low limit Lo the relay closes when measured value falls below preset low limit for longer time than preset delay...

Страница 12: ... commonly with the software 5 5 2 Setting with using regulator keys If Actual regulator preset is displayed see chapter Actual regulator preset at page 10 it is possible to enter into edit mode and edit displayed value by pressing SET key Then you are asked for valid password PASS You can edit selected value if right password is entered During value editing there is range check executed and edited...

Страница 13: ...y 2 demount four screws in the corners of the box and remove the lid 3 closed jumper placed nearby keys 4 press and keys together and keep them down 5 connect power supply to regulator you should see message SEL on the top line of LCD and on the bottom line you should see number of Firmware version e g 0404 6 release and keys you are into Extended setting mode now Use and keys to inspect each item...

Страница 14: ...ut Relay1 Relay2 stays unchanged in previous status Relay1 switch OFF Relay1 switch On stays unchanged in previous status Relay2 switch OFF Relay2 switch On Change of Password for setting through keys PASS This item shows actual password setting It is possible to change it after SET key pressing It is number from range 19999 to 19999 Choice of communication protocol Choice of communication protoco...

Страница 15: ...t C or F There is shown preset unit It is possible to change it after SET key pressing preset to C preset to F CO2 measurement mode selection This item provides to choice if measured value is displayed and read in SLOW or FAST mode FAST mode provides last measured value without averaging this means that no software filter is used for calculating the output value SLOW mode provides value averaged f...

Страница 16: ...to use this indication then set YELL limit to 0 YELLOW limit setting RED limit setting Show temperature at LCD display This item provides to choice if actual measured temperature may be displayed at LCD display or not It is possible to change it after SET key pressing show value on LCD don t show value on LCD Show relative humidity at LCD display This item provides to choice if actual measured rel...

Страница 17: ...ge it after SET key pressing There is possible choice one of the following computed values dew point temperature absolute humidity mixing ratio specific humidity specific enthalpy 5 7 Restore to Factory default This item provides regulator restoring to factory setting Press SET key select YES and confirm it by pressing of SET key It reset regulator parameters to following values communication prot...

Страница 18: ...ld respond During communication data transfer proceeds in binary format Each Byte is sent as eight bit data word in format 1 start bit data word 8 bit LSB first 2 stop bits1 without parity Device supports communication speed from 110Bd to 115200Bd Sent request and response have syntax ADDRESS OF DEVICE FUNCTION Modbus CRC 6 1 1 Supported functions 03 0x03 Reading of 16 bit registers Read Holding R...

Страница 19: ...ister is designed only for deading W register is designed for writing but direct write is not available for details see description of communication protocols x at transmit are register addresses indexed from zero zero based addressing For example measured temperature with Modbus address 0x31 is physically sent along data bus as value 0x30 You make sure of correct addressing with the aid of Master...

Страница 20: ... 0x004E 78 New setting can be done simultaneously or each register can be written alone 3 To address 0x004F 79 write value 1 Once this step is done new setting is physically stored into device memory confirm change Then registers 0x004F 79 and 0x0044 68 are automatically cleared zero It automatically unlocks the keyboard too Whole setting process can be cancelled by writing value 0 to address 0x00...

Страница 21: ... for Relay2 sec 0x004D 77 Time in seconds Time in seconds that the condition must be valid to evaluate alarm R W Hysteresis of Relay2 by value 0x004E 78 Value which must be set back below above a given threshold in order to open the relay R W Confirm changes 0x004F 79 Read always as 0 write 1 physically stores new setup into device s memory at the end the register is automatically reset to zero R ...

Страница 22: ...ge only if jumper is closed Jumper closed and button pressed for longer than six seconds causes restoring of manufacturer setting of communication protocol i e sets Modbus RTU communication protocol device address sets to 01h and communication speed to 9600Bd after button press there is dEF message blinking at LCD display Six seconds later message dEF stays shown it means manufacturer setting of c...

Страница 23: ...limit of allowed full scale range or CO2 concentration measurement error occurred Value read from the device is 999 9 This state appears in case of Measured temperature is lower than approximately 210 C i e low resistance of temperature sensor probably short circuit Relative humidity is lower than 0 i e damaged sensor for measurement of relative humidity or calculation of humidity is not possible ...

Страница 24: ...ed If specific enthalpy is selected there is shown only value number without corresponding unit 9 Preventive maintenance and calibration Pay heed to recommended calibration interval Do not subject the device to mechanical stress 10 Technical specification 10 1 Technical parameters 10 1 1 Common parameters Power voltage 9 to 30 V DC Power consumption 1W during normal operation 4W for 50ms with 15 s...

Страница 25: ...ive humidity and CO2 regulator Temperature Accuracy 0 4 C 0 7 F Range 30 to 60 C 22 to 140 F Resolution 0 1 C 0 2 F Relative humidity Accuracy 2 5 RH from 5 to 95 RH at 23 C 73 4 F Range 0 to 100 RH Resolution 0 1 RH Concentration of CO2 Accuracy 50 ppm 2 of measuring value at 25 C 77 F and 1013 hPa Range 0 to 2000 ppm Temperature dependence typ 2 ppm CO2 ºC in the range 0 to 50 ºC 32 to 122 F Lon...

Страница 26: ...ºC in the range 0 to 50 ºC 32 to 122 F Long term stability typ 20 ppm year Resolution 1 ppm Measuring temperature and humidity range is limited in accordance with the graph below Response time measurement of temperature and relative humidity with stainless steel mesh sensor cover F5200B and bronze sensor cover F0000 selectable option air flow 1 m s temperature t90 6 min temperature step 20 C 36 F ...

Страница 27: ...Dew point temperature Range 60 to 80 C 76 to 176 F Accuracy 1 5 C 2 7 F at ambient temperature T 25 C 77 F and relative humidity RH 30 for more details see graphs below Absolute humidity Range 0 to 400 g m3 Accuracy 1 5 g m3 at ambient temperature T 25 C 104 F for more details see graph below ...

Страница 28: ...ratures above 70 C 158 F around electronics Operating humidity range H5421 H6421 0 to 100 RH no condensation H5424 H6420 5 to 95 RH no condensation Operating barometric pressure range 850 to 1100 hPa Protection H5421 IP65 electronics IP65 CO2 probe H5424 IP30 electronics H6420 IP30 electronics IP40 measuring end of stem H6421 IP65 electronics IP65 CO2 probe IP40 RH T probe Other environmental cond...

Страница 29: ...approximately H5421 1m probe 440 g H5421 2m probe 470 g H5421 4m probe 530 g H5424 340 g H6420 360 g H6421 1m sonda 520 g H6421 2m sonda 590 g H6421 4m sonda 730 g Material of the case ASA ABS 10 3 End of operation Disconnect the device and dispose it according to current legislation for dealing with electronic equipment 10 4 Technical support and service The adjustment procedure is described at f...

Страница 30: ...t power to connector marked RS485 Power voltage 6V DC from an external acdc adapter connect to pin 9 0V connect to pin 5 Also mutually connect pin 2 and pin 7 Link RS485 is connected across pin 3 A and pin 4 B The ELO 214 converter is an optional accessory for connection of transmitter with RS485 interface to the PC via USB port Link RS485 is connected across pin 9 A and pin 8 B 12 Appendix B Wiri...

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