14.2 mm Led display
Selectable thermocouple types
PID control function with accurate self-tuning
Soft-Start function
Selectable SSR or relay control output
C/A2 Relay output can be set as secondary alarm or temperature control
A1 Relay output can be used as primary alarm
Offset feature for input
In case of sensor failure, manual control can be selected
CE marked according to European Norms
Environmental Conditions
Ambient/Storage Temperature 0...50 ºC / -25...70 ºC
Relative Humidity 80% relative humidity for temperatures up to 31 °C, decreasing linearly to 50% at 40 °C
Protection Degree According to EN 60529 Front panel: IP65, Rear panel: IP20
Height Max. 2000m
Electrical Characteristics
Supply 230V AC +10% -20% or 24V AC ±10%, 50/60Hz or 9-30V DC / 7-24V AC ±10% SMPS
Power Consumption 5VA
External Connections Plug-in terminals
Scale Fe-Const (J) thermocouple -30...600 °C
NiCr-Ni (K) thermocouple -30...999 °C
Fe-CuNi(L) thermocouple -30...600 °C
Accuracy ±0,5% (of full scale) ±1 digit
Line Resistance Max. 100ohm
Output
C/A2 Output Relay: 250V AC, 5A (for resistive load), NO+NC selectable as control or Alarm2 output
A1 Output Relay : 250V AC, 5A ( for resistive load), NO selectable as Alarm1 or cooling control output
SSR Output 12V, 20mA
Life Expectancy Mechanical 5.000.000 operations (under no load), Electrical 200.000 operations (2A at 250V AC, resistive load)
Control
Control Type Single set-point and alarm control
Control Algorithm On-Off, P, PI, PD, PID (selectable)
A/D converter 12 bit
Sampling Time 100ms
Proportional Band Adjustable between 0.0% and 99.9%. If Pb=0.0% is than On-Off control is selected
Control Period Adjustable between 1 and 125s
Hysteresis Adjustable between 1 and 50 °C/F
Output Power The ratio of power at a set point can be adjusted between 0% and 100%
Housing
Mounting Method Panel mounting
Dimensions W48xH48xD53 mm
Weight Approx. 230g (after packaging)
Enclosure Material Self extinguishing plastics
ET4402 PID TEMPERA TURE CONTROLLER
352,94leiPreț