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PCE Instruments PCE-P18, User Manual, Page: 8 / 44

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PCE Instruments PCE-P18 User Manual Download Page 8

Fig. 3. Overall dimensions of the P18(D) transducer

Fig. 4. Lay-out of mounting holes of the P18(D) transducer

mounting holes

Summary of Contents for PCE-P18

Page 1: ...ww pce instruments com us www industrial needs com PCE Instruments UK Ltd Units 12 13 Southpoint Business Park Ensign way Hampshire Southampton United Kingdom SO31 4RF From outside UK 44 Tel 0 2380 98...

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Page 3: ...he P18 D transducer 15 5 5 1 Calculated values 16 5 5 2 Selection of controlling values for analog outputs 16 5 5 3 Individual characteristic of analog outputs 17 5 5 4 Support of a sensor heater 19 5...

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Page 5: ...nt temperature into a digital form and into a voltage or cur rent standard signal The transducers are fixed on a wall Programming of the transmitters is possible via the RS 485 interface LPCon or eCon...

Page 6: ...6 Fig 2 Overview of the P18 and P18D transducers with the probe on the wire 0 5 m...

Page 7: ...s of IP65 tightness The transducer housing is made of a self extinguishing plastics The trans ducer has screw connectors placed inside the transducer which enable the connection of external wires of 1...

Page 8: ...Fig 3 Overall dimensions of the P18 D transducer Fig 4 Lay out of mounting holes of the P18 D transducer mounting holes...

Page 9: ...ectrical connections Remove the display prior to connecting the wires in a screw terminal of the P18D transducer Pass supplying wi res through the packing and twist the packing seal in order to obtain...

Page 10: ...ith voltage outputs Use shielded cable for supply and output signals in environ ments with high levels of interference The shield must be connected to the nearest PE point from the feeder side Out Out...

Page 11: ...sing the capacitive button There is the possibility to connect the transducer through another trans mission media like ETHERNET USB using LUMEL S A s converters 5 1 power on messages of the p18d trans...

Page 12: ...of the measuring value from the sensor Indicator of automatic presenta tion of the measuring values Transmission indicator on RS 485 link Unit of the displayed value Value of the displayed value Type...

Page 13: ...seconds in the following order temperature relative humidity dew point absolute humidity temperature Data receiving indicator by the P18D transducer on RS 485 Data sending indicator by the P18D trans...

Page 14: ...5 4 programming parameters menu of the p18d transducer Enter the programming menu by pressing and holding the capacitive button for approx 5 sec When entering the menu a first time changes direction m...

Page 15: ...r characteristic 2 configurable analog outputs optional memory storage of maximal and minimal values for each of the measured and calculated value programming of the measurement averaging time RS 485...

Page 16: ...Calculated values Based on the measurement of a temperature and relative humidity the P18D transducer calculates dew point and absolute humi dity of the following dependencies 5 5 2 selection of contr...

Page 17: ...points by the user the trans ducer determines from the system of equations coefficients a and b of the individual characteristic Y1out a X1in b Y2out a X2in b where X1 in and X2 in displayed value Y1...

Page 18: ...rst analog current output temperature Expected processing temperature in the range 12 25o C 77 75 o C to the analog current signal in the range 4 5 mA 18 5 mA Table 3 name register address value X1 te...

Page 19: ...it 11 of the register 4017 is set to 1 this means that the heater is switched on Caution The transducer with a heating element switched on does not measure the proper ambient temperature and humidity...

Page 20: ...8D 1XX P18D 4XX P18D 2XX P18D 5XX Address 4001 1 Baud rate 4002 9600 Mode 4003 RTU 8N2 Averaging time 4005 30 s X1 of the 1st analog output 4007 0 2000 2000 Y1 of the 1st analog output 4008 0 400 0 X2...

Page 21: ...nge information between devices via a serial link Caution For the transmitter versions without analog outputs P18 D 0XX and P18 D 3XX the RS 485 interface is galvanically isolated from the supply 1 kV...

Page 22: ...connection must use a shielded wire The cable shield should be connected to the protective terminal in close proximity to the transmitter connect a shield to the protective terminal at one point only...

Page 23: ...consists of determining the baud rate the device address and the format of the transmission mode protocol Caution Each transmitter connected to the communication network must have a unique address di...

Page 24: ...er of bytes Value from the register 1DB0 7501 Value from the register 1DB1 7502 CRC check sum B3 B2 B1 B0 B3 B2 B1 B0 01h 03h 08h 41h CDh 70h A4h 41h A2h 00h 00h 83D0h Table 6 Single register writing...

Page 25: ...h 00 04 F831h Device address Function Register address Number of registers CRC checksum B1 B0 B1 B0 01h 10h 0Fh A1h 00h 02h 133Eh device identification report code 11h example 4 Device identification...

Page 26: ...s Some computer programs use logic addressing then the addresses should be increased by 1 Table 13 Address range Value type Description 4000 4022 integer 16 bits The value is located in the 16 bit reg...

Page 27: ...4000 Identifier w r 180 P18 device identifier 204 P18D device identifier 4001 Address w r 1 247 Device address 4002 RS 485 baud rate 0 5 Va lue Description 0 4800 bit s 1 9600 bit s 2 19200 bit s 3 3...

Page 28: ...1 w r 32768 32767 Expected value of output 1 for point X1 4009 X2 of out put 1 w r 32768 32767 Value controlling output 1 point X2 x100 4010 Y2 of out put 1 w r 32768 32767 Expected value of output 1...

Page 29: ...ra ture 4017 Status w r 32768 32767 Transducer status Shows the current state of the trans ducer and the hardware con figuration Successive bits represent the event Bit set to 1 indicates that the eve...

Page 30: ...Temporary commu nication parameters are set shorten jum per ZW Bit8 LCD display error Bit7 Error reading the va lue from the sensor Bit5 6 Value controlling 2 analog output 00 01 10 11 temperature re...

Page 31: ...ent 4018 Software version o 1 999 Software version x100 4019 Custom configura tion w r 0 31 Bit0 Value Descrip tion 0 The stan dard map of the re gisters in the range 7000 and 7500 1 Map of the regi s...

Page 32: ...parametry fabryczne 4021 Controlling the heater Va lue Description 0 switching a heater off 1 permanent switching a heater on 3 displaying remaining time of a heater swit ched on 60 32768 switching a...

Page 33: ...e 7000 7500 ID r P18 D device identifier 7002 7501 T r o C Measured temperature 7004 7502 RH r Measured relative humidity 7006 7503 DP r o C Calculated dew point 7008 7504 AH r g m3 Calculated absolut...

Page 34: ...7500 ID o P18 D device iden tifier Table 16 7020 7510 max DP r o C Max of dew point 7022 7511 min AH r g m3 Min of absolute humidity 7024 7512 max AH r g m3 Max of absolute humidity 7026 7513 r o C W...

Page 35: ...7506 7014 7507 7016 7508 7018 7509 min T o C Min of temperature 7020 7510 max T o C Max of temperature 7022 7511 min DP o C Min of dew point 7024 7512 max DP o C Max of dew point 7026 7513 7028 7514...

Page 36: ...ry communication parameters address 247 baud rate 9600 kb s mode RTU 8N2 You can connect to the transmitter after setting the temporary parame ters and adjust them or restore the defaults settings Aft...

Page 37: ...register register 4017 Table 17 Message bit no reg Status reg 4017 Description Error Sensor 7 Sensor failure transmitter should be returned to a service Error Calibr 14 Loss of calibration parameters...

Page 38: ...ons 1 0874 490 016 Membrane filter PCV ho using PTFE membrane with a lami nated film pore size 1 m Average effe ct of filtration maximal tem perature up to 80oC respon se time t10 90 15 s Building aut...

Page 39: ...versions with analog outputs P18 D 1 P18 D 2 P18 D 4 or P18 D 5 a basic error of temperature conversion may increase by 0 2 C calculated values absolute humidity a g m3 dew point temperature Td o C a...

Page 40: ...mpatibility noise immunity acc to EN 61000 6 2 noise emission acc to EN 61000 6 4 safety requirements acc to en 61010 1 installation category III pollution grade 2 phase to earth operating voltage 50...

Page 41: ...X Analog outputs sensor without outputs sensor on the housing 0 current 4 20 mA sensor on the housing 1 voltage 0 10V sensor on the housing 2 without outputs probe on the wire 0 5 m 3 current 4 20 mA...

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Page 44: ...320 9176 info pce americas com www pce instruments com us www industrial needs com PCE Instruments UK Ltd Units 12 13 Southpoint Business Park Ensign way Hampshire Southampton United Kingdom SO31 4RF...

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