N480
OUT
OPE
R
A
T
IN
G MAN
UAL
Page 1: ...N480 OUT OPERATING MANUAL ...
Page 2: ...put 3 2 5 alarm outputs 4 3 configuration and operation 4 3 1 parameters flow chart 4 3 2 operation level 4 3 3 tuning and alarms level 4 3 4 configuration level 5 3 5 calibration level 5 4 ramp to soak function characteristics 6 5 problems with the controller 6 5 1 electronic serial number visualization 6 6 alarm functions 6 6 1 alarm initial blocking 7 7 pid auto tune 7 ...
Page 3: ...c Operation 0 to 55 C humidity 20 to 85 2 2 TEMPERATURE SENSOR INPUT Pt100 3 wire connection Excitation current 170µA Thermocouple input impedance 10MΩ A D converter resolution 15000 steps Sampling rate 10 measurements per second Auto zero and auto range Accuracy 0 2 of full scale for Pt100 and 0 25 of full scale 1 C for T C Thermocouples are connected to terminals 8 and 9 with positive in termina...
Page 4: ...is reached the controller returns to operation level and the display will indicate the measured temperature The display will also go back to the measured temperature whenever the display is inactive for 20 seconds or more When a parameter value is changed via keyboard the controller will only accept the new value after the user presses the INDEX key to go to next prompt or if the keyboard is left ...
Page 5: ...s OUT A 1 1 1 1 Sets control output to terminals OUT B As control output is defined to terminals OUT A alarm output is automatically set to OUT B If control output is defined to OUT B alarm 1 will then be automatically set to OUT A spll SP Low Limit SET POINT LOW LIMIT sets the lower range for SV spKl SP High Limit SET POINT HIGH LIMIT Sets the upper range for SV A1fv Alarm 1 Function FUNCTION OF ...
Page 6: ...to identify possible problems Process temperature is below the selected sensor range Process temperature is above the selected sensor range Controller or sensor error Example Broken thermocouple or Pt100 Pt100 badly connected short circuited or high cable resistance 5 1 ELECTRONIC SERIAL NUMBER VISUALIZATION To read the 8 digit serial number go to the Operation Level and press the key for 3 second...
Page 7: ...rom being recognized if an alarm condition is present when the controller is first energized The alarm will actuate only after the occurrence of a non alarm condition followed by a new occurrence for the alarm 7 PID AUTO TUNE During auto tune the temperature is controlled in ON OFF mode at the programmed Set Point SV Depending on the process characteristics large oscillations above and below SV ma...
Page 8: ...323 3600 FAX 51 33233644 E Mail info novus com br FILIAL São Paulo Rua José Augusto Penteado 107 V Madalena TEL 11 3675 0366 FAX 11 3675 0377 E Mail sp novus com br FILIAL Curitiba Rua Vereador Toaldo Túlio 2235 sala 4 TEL FAX 41 372 8476 Cel 41 99964524 E Mail pr novus com br ...
