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USER’S MANUAL

TEMPERATURE

AND HUMIDITY

TRANSDUCER

P18

TYPE

Содержание P18-0

Страница 1: ...USER S MANUAL TEMPERATURE AND HUMIDITY TRANSDUCER P18 TYPE...

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Страница 3: ...1 Assembly 5 3 2 Electrical Connections 7 4 SERVICING 9 4 1 Functions of the P18 Transducer 10 4 2 Individual Characteristic of Analog Outputs 11 4 3 RS 485 Interface 13 4 4 Standard Parameters 18 5...

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Страница 5: ...of the user s manual According to this basic safety information qualified skilled personnel are persons who are familiar with the installation assembly commis sioning and operation of the product and...

Страница 6: ...Fig 1 Overall Dimensions of the P18 Transducer Fig 2 Lay out of Assembly Holes of the P18 Transducer...

Страница 7: ...tions one must use a round wire with external dia meter from 3 5 mm up to 6 mm Before the transducer assembly one must pass supplying wires through the packing Twist the packing seal in order to obtai...

Страница 8: ...er with current outputs Transducer with voltage outputs One must use a spiral for the interface line connection In case of the transducer work in an environment with high interference one must apply s...

Страница 9: ...equipped of one two colour signalling diode The diode pulsation means pulsing in green colour measurements carrying out correctly pulsing in red colour correct communication through the RS 485 interf...

Страница 10: ...humidity RH measured dew point a 2 1668 Pws RH 100 T 273 2 Td Tn m 1 log Pws RH 10000 A Coefficients for the dew point Table 2 T A m Tn 0 o C 6 119866 7 926104 250 4138 0 50 o C 6 1078 7 5 237 3 50 1...

Страница 11: ...er the transducer determines from the system of equations coefficients a and b of the individual characteristic Value X1 In on the transducer input value Yi Out on the analog output Value X2 In on the...

Страница 12: ...Following functions of the MODBUS have been implemented in P18 transducers Example 1 Configuration of the individual characteristic of the first current analog output temperature The temperature conve...

Страница 13: ...value is located i two successive 16 bit registers Registers contain the same data as 32 bit registers from the area 7500 7512 Registers are only for readout 7500 7512 float 32 bits The value is loca...

Страница 14: ...nge of transmission parameters 0 1 Acceptation of transmission para meter changes2 0 lack of operation 1 acceptation of changes 4005 Measurement averaging time 6 3600 Measurement averaging time given...

Страница 15: ...sducer with voltage analog outputs Bit 2 1 the interval of averaging measurement result is expired Bit 3 4 0 0 steering up of 1 analog output temperature 0 1 steering up of 1 analog output relative hu...

Страница 16: ...002 7501 Temperature T Temperature o C 7004 7502 Relative humidity RH Relative humidity 7006 7503 Dew point Td Dew point o C 7008 7504 Absolute humidity A Absolute humidity g m3 7010 7505 Min T Minimu...

Страница 17: ...mA x 100 0 V x 100 X2 humidity 0 10000 o C x 100 10000 x 100 Y2 humidity 0 2000 mA x 100 1000 V x 100 4 4 Standard Parameters Standard Parameters of the P18 Transducer Table 8 In case when standard co...

Страница 18: ...18 Fig 5 Placement of the Jumper Setting Temporary Communication Parameters...

Страница 19: ...e filter Casing made of PCV Membrane of teflon lamina ted by a film Pore size 1 m Mean filtration effect Maximal temp up to 80 o C Response time t10 90 15 s Building automation In rooms with low pollu...

Страница 20: ...c error of temperature conversion calculated quantities 0 5 of the range absolute humidity a g m3 dew point temperature Td o C additional errors temperature influence 25 of the basic error 10 C RS 485...

Страница 21: ...lity noise immunity acc to EN 61000 6 2 noise emission acc to EN 61000 6 4 Security requirements acc to EN 61010 1 installation category III pollution grade 2 phase to earth working voltage 50 V altit...

Страница 22: ...tection shield acc to the table 9 e g the shield coded 0874 490 014 means a filter made of sintered bronze The code will be established after agreement with the manufacturer Temperature and Humidity T...

Страница 23: ...en used in compliance with the instructions the Manufacturer garantees to repair it free of charge 2 After the guarantee period One should turn over the transducer to repair it in a certified service...

Страница 24: ...x 48 68 325 40 91 e mail export lumel com pl P18 07B SALES PROGRAM DIGITAL and BARGRAPH PANEL METERS MEASURING TRANSDUCERS ANALOG PANEL METERS DIN INSTRUMENTS DIGITAL CLAMP ON METERS INDUSTRIAL PROCES...