TRANSMITTER TR485-103D-150, TR485-
103D-700
Programmable transmitter of temperature, relative humidity
and other derived humidity values with RS485 serial output
Instruction Manual
Page 1: ...TRANSMITTER TR485 103D 150 TR485 103D 700 Programmable transmitter of temperature relative humidity and other derived humidity values with RS485 serial output Instruction Manual ...
Page 2: ...nsmitter setting from the manufacturer If special setting was not required in the order transmitter is set from the manufacturer to the following parameters communication protocol Modbus RTU transmitter address 01H communication speed 9600Bd without parity 2 stop bits display switched ON value displayed at lower line relative humidity only preset computed value dew point temperature Transmitter in...
Page 3: ...ommunication 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 allowed Terminate the network by a termination resistor The value of the resistor is recommended about 120 Ω For short distance termination resistor can be left out The cable should not be led in parallel along power cabling Safety dis...
Page 4: ...f communication protocols Detailed description of each communication protocols including examples of communication is available in individual document Description of communication protocols of Txxxx series Note After switching ON the power of the device it can last up to 2 s before the device starts to communicate and measure Modbus RTU Control units communicate on master slave principle in half d...
Page 5: ... the device Variable Unit AddressX Format Size Status Measured temperature C 0x0031 Int 10 BIN16 R Measured relative humidity 0x0032 Int 10 BIN16 R Computed value C 0x0033 Int 10 BIN16 R Address of transmitter 0x2001 Int BIN16 R W Code of communication speed 0x2002 Int BIN16 R W Serial number of transmitter Hi 0x1035 BCD BIN16 R Serial number of transmitter Lo 0x1036 BCD BIN16 R Version of Firmwar...
Page 6: ...cation 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 communication protocol is done For communication with device which measure more than one value there is necessary to add at the end of comman...
Page 7: ...n 0 i e damaged sensor for measurement of relative humidity or calculation of humidity is not possible due to error during temperature measurement Computed value calculation of computed value is not possible error during measurement of temperature or relative humidity Error 3 There is a reading Err3 on LCD display upper line Error of internal A D converter appeared converter does not respond proba...
Page 8: ...nsor Pt1000 3850ppm Measuring range 30 to 125 C Resolution of display 0 1 C Accuracy 0 4 C Relative humidity reading is temperature compensated at entire temperature range Measuring range 0 to 100 RH see Transmitter installation Resolution display 0 1 RH Accuracy 2 5 RH from 5 to 95 RH at 23 C Measuring temperature and humidity range is limited in accordance with the graph below 8 ...
Page 9: ...nterval 1 year Measuring interval and LCD display refresh 0 5 s Power 9 to 30 V dc Consumption max 0 5W Protection of the case with electronics and terminals IP65 Protection of the sensor cover IP40 Filtering ability of the sensor cover 0 025 mm Operating conditions Operating temperature range of case with electronics 30 to 80 C over 70 C switch LCD display OFF Operating temperature range measurin...
Page 10: ...echanical damage of the sensors Storing conditions temperature 30 to 80 C humidity 0 to 100 RH without condensation Dimensions case with electronics 89x73x37 mm length of stem 150mm TR485 103D 150 700mm TR485 103D 700 Weight TR485 103D 150 approximately 250 g TR485 103D 700 approximately 600 g Material of the case ABS stem from stainless steel Optional accessory Mounting flanges PP4 PP90 10 End of...
Page 11: ...r connection of transmitter transmitters with RS485 interface to the PC via serial port RS232 Connect connector marked RS232 directly to the PC connect 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 11 ...
