ET2412
77x35 mm, NTC Input, 2 Relay Outputs, On-Off Temperature Controller
Single NTC probe input
Offset value can be adjusted for NTC probe
Relay output for cooling or heating control
Relay output for Alarm
Selectable independent, deviation or band alarm
In case of sensor failure, relay state can be configured as On or Off
Upper and lower limits of the setpoint can be adjusted
Temperature unit can be selected as °C or °F
CE marked according to European Norms
Manuals
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: IP62, Rear panel: IP20
Height
Max. 2000m
Output
C1 output
250V AC, 8A (for resistive load), NO+NC control output
A1 output
250V AC, 8A (for resistive load), NO control output
Life Expectancy
Mechanical 30.000.000 operations (under no load), Electrical 300.000 operations (8A at 250V AC, resistive load)
Housing
Mounting Method
Panel mounting
Dimensions
W77xH35xD61 mm
Weight
Approx. 215g (after packaging)
Enclosure Material
Self extinguishing plastics
Electrical Characteristics
Supply
230V AC +10% -20% 50/60Hz or 10-30V DC / 8-24V AC
Power Consumption
3VA
External Connections
Screw-terminals
Scale
-60.0...150.0 °C
Accuracy
± 1% (of full scale) ± 1 digit
Line Resistance
Max. 100ohm
Control
Control Type
Single set-point and alarm control
Control Algorithm
On-Off
A/D converter
12 bit
Sampling Time
100ms
Hysteresis
Adjustable between 0.1 and 20.0 °C/F
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: IP62, Rear panel: IP20
Height
Max. 2000m
Electrical Characteristics
Supply
230V AC +10% -20% 50/60Hz or 10-30V DC / 8-24V AC
Power Consumption
3VA
External Connections
Screw-terminals
Scale
-60.0...150.0 °C
Accuracy
± 1% (of full scale) ± 1 digit
Line Resistance
Max. 100ohm
Output
C1 output
250V AC, 8A (for resistive load), NO+NC control output
A1 output
250V AC, 8A (for resistive load), NO control output
Life Expectancy
Mechanical 30.000.000 operations (under no load), Electrical 300.000 operations (8A at 250V AC, resistive load)
Control
Control Type
Single set-point and alarm control
Control Algorithm
On-Off
A/D converter
12 bit
Sampling Time
100ms
Hysteresis
Adjustable between 0.1 and 20.0 °C/F
Housing
Mounting Method
Panel mounting
Dimensions
W77xH35xD61 mm
Weight
Approx. 215g (after packaging)
Enclosure Material
Self extinguishing plastics