GHM Delta OHM PMBsense-A Скачать руководство пользователя

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GHM GROUP – Delta OHM

| Delta Ohm S.r.l. a socio unico

V1.0

09/11/2020

Содержание Delta OHM PMBsense-A

Страница 1: ...Operating manual PM CO2 Transmitter PMsense www deltaohm com English Keep for future reference Companies Brands of GHM...

Страница 2: ...TENTS 1 INTRODUCTION 3 2 TECHNICAL SPECIFICATIONS 4 3 INSTALLATION 5 3 1 ELECTRICAL CONNECTIONS 5 4 CONFIGURATION AND MEASUREMENT 8 5 PROPRIETARY PROTOCOL 9 6 MODBUS RTU PROTOCOL 15 7 SAFETY INSTRUCTI...

Страница 3: ...II proprietary protocol A version with two additional 4 20 mA 0 10 V on request when ordering analog outputs is available The two analog outputs can be independently associated with any of the measure...

Страница 4: ...ponse time 120 s air speed 2 m s Long term stability 5 of measurement 5 years Temperature drift 1 ppm C General specifications Output RS485 with Modbus RTU or ASCII proprietary protocol Only PMsense A...

Страница 5: ...scription 3 1 ELECTRICAL CONNECTIONS The transmitter has a M12 8 pole circular connector and uses the CPM12 8DA op tional cables with M12 8 pole connector on one side and open wires on the other side...

Страница 6: ...e short circuited inside the transmitter The cable shield is not connected to the M12 connector To ensure a good noise immunity it is recommended to connect the cable shield to ground GND RS485 connec...

Страница 7: ...T1 GND Vdc AOUT2 Fig 3 4 current analog outputs connection Voltage analog output optional only PM B sense A By default the voltage analog outputs are 0 10 V with 0 V 0 ppm 10 V 1000 g m3 The analog ou...

Страница 8: ...erval can be configured respectively by using the CPLS and CPLP commands of the proprietary protocol or the holding reg isters with address 15 and 16 of the MODBUS RTU protocol In the measurement mode...

Страница 9: ...USER ON must be sent first the instrument replies with USER CAL MODE ON The command CAL USER ON is automatically disabled after a few minutes of inactivity If the settings should be only read the comm...

Страница 10: ...ber of data bits is fixed to 8 Default 8E1 n 2 RMP n Reads the setting of parity and stop bits CMWn Sets waiting time after transmission with MODBUS RTU protocol Immediate reception if n 0 violates pr...

Страница 11: ...nce between analog output 1 and associated physical quantity 4 mA 0 V Min quantity 20 mA 10 V Max quantity if n 0 20 mA 10 V Min quantity 4 mA 0 V Max quantity if n 1 Default Direct correspondence n 0...

Страница 12: ...the analog output 2 CA2SOn Sets the direct or inverse correspondence between analog output 2 and associated physical quantity 4 mA 0 V Min quantity 20 mA 10 V Max quantity if n 0 20 mA 10 V Min quanti...

Страница 13: ...the information obtainable with the RA2T RA2L e RA2H commands Reading of the measurement information Command Reply Description S0 Disable the sending of the measurement information S1 Enable the sendi...

Страница 14: ...er must first be placed in an environment with a known CO2 concentration the value n entered in the command The value t in the reply to the command indicates the number of seconds required for the tra...

Страница 15: ...16 bit Integer 2 1 PM2 5 in N of particles ml Measurement updated according the operating mode set with the CPLS CPLP and CPS commands 16 bit Integer 3 2 PM10 in N of particles ml Measurement updated...

Страница 16: ...10 s Available in continuous measurement mode 16 bit Integer 19 18 PM1 0 in N of particles ml Measurement averaged over 15 min and updated every minute Available in continuous measurement mode 16 bit...

Страница 17: ...waiting time after transmission with MODBUS RTU protocol 0 immediate reception default 1 waiting 3 5 characters Bit 4 3 Enable disable the offset of the analog output 1 0 offset disabled 0 20 mA or 0...

Страница 18: ...hysical quantity associated to the analog output 1 If the output is associated to PM the value is expressed as a number of tenths e g 5 0 5 g m3 If the output is associated to CO2 the value is express...

Страница 19: ...0 1000 0 g m3 of PM 16 bit Integer 16 15 Setting of the PM measurement mode 0 continuous 1 at cyclic intervals default 16 bit Integer 17 16 Setting of the cycle interval in seconds for the PM measurem...

Страница 20: ...ell as the specific measures described in this manual are followed The instrument proper operation and operating safety can be ensured only in the cli matic conditions specified in this manual Do not...

Страница 21: ...DA x ca ble has to be ordered separately PMBsense A PM1 0 PM2 5 PM10 and CO2 transmitter RS485 output with MODBUS RTU or proprietary protocol two 0 4 20 mA 0 10 V on request when ordering analog outpu...

Страница 22: ...PMsense 22 V1 0 NOTES...

Страница 23: ......

Страница 24: ...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 equipmen...

Страница 25: ...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 26: ...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 V1 0 09 11 2020...