ET1224A
22.5x96 mm, Modbus Communication, NFC Feature, 4x Selectable Thermocouple or PT 100 Input, 4x SSR Output PID Controller
Rail mountable box
Selectable dual set value input
Selectable TC ( J, K, L, T, S, R ) or two-wire PT100 sensor type (Must be specified in the order)
Control outputs can be disabled (For measurement purposes)
Four SSR temperature control outputs
SSR Outputs can be manually controlled
Soft-Start feature
Communication with RS485 Modbus protocol
Selectable Heating/Cooling control
Offset feature for input
In case of probe failure, SSR positions can be selected or run periodically
Automatic calculation of PID parameters (SELF TUNE)
Programming with Modbus
Possibility of heating error monitoring control
Reading and writing all parameters with NFC
CE marked according to EN standards
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 IP20
Height
Max. 2000m
Outputs
S1....S4 SSR Control Outputs
Four outputs, Max. 24 VDC ±20% , 30mA short circuit protected SSR control
Housing
Mounting Method
Rail mounting
dimensions
W22.5xY96xD86mm
Weight
Approx. 158g (after packaging)
Enclosure Material
Self extinguishing plastics
Electrical Characteristics
Supply
24V DC 20%
Power Consumption
Max. 5VA
External Connections
Plug-in terminals
Scale
Pt-100 resistance thermometer -199.9...600.0 °C / -200...600 °C
J (Fe-CuNi) thermocouple -30.0....600.0 °C / -30....600 °C
K (NiCr-Ni) thermocouple -30.0...999.9 °C / -30...1300 °C
L (Fe-CuNi) thermocouple -30.0....600.0 °C / -30....600 °C
T (Cu-CuNi) thermocouple -30.0...400.0 °C / -30....400 °C
S (Pt10Rh-Pt) thermocouple -40...1700 °C
R (Pt13Rh-Pt) thermocouple -40...1700 °C
J (Fe-CuNi) thermocouple -30.0....600.0 °C / -30....600 °C
K (NiCr-Ni) thermocouple -30.0...999.9 °C / -30...1300 °C
L (Fe-CuNi) thermocouple -30.0....600.0 °C / -30....600 °C
T (Cu-CuNi) thermocouple -30.0...400.0 °C / -30....400 °C
S (Pt10Rh-Pt) thermocouple -40...1700 °C
R (Pt13Rh-Pt) thermocouple -40...1700 °C
Accuracy
Pt-100 (resistance thermometer): ±0.2% (of full scale) ±1 digit
Thermocouples: ±0.5% (of full scale) ±1 digit
Thermocouples: ±0.5% (of full scale) ±1 digit
Line Resistance
Max. 100ohm for thermocouple. Max. 1ohm for 2-wired Pt-100
Control
Control Type
Set-point control for 4 zone
Control Algorithm
On-Off, P, PI, PD, PID (selectable)
A/D Converter
14 bit
Sampling Time
200ms
Proportional Band
Adjustable between 0.0% and 100.0%. If Pb=0%, 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%
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 IP20
Height
Max. 2000m
Electrical Characteristics
Supply
24V DC 20%
Power Consumption
Max. 5VA
External Connections
Plug-in terminals
Scale
Pt-100 resistance thermometer -199.9...600.0 °C / -200...600 °C
J (Fe-CuNi) thermocouple -30.0....600.0 °C / -30....600 °C
K (NiCr-Ni) thermocouple -30.0...999.9 °C / -30...1300 °C
L (Fe-CuNi) thermocouple -30.0....600.0 °C / -30....600 °C
T (Cu-CuNi) thermocouple -30.0...400.0 °C / -30....400 °C
S (Pt10Rh-Pt) thermocouple -40...1700 °C
R (Pt13Rh-Pt) thermocouple -40...1700 °C
J (Fe-CuNi) thermocouple -30.0....600.0 °C / -30....600 °C
K (NiCr-Ni) thermocouple -30.0...999.9 °C / -30...1300 °C
L (Fe-CuNi) thermocouple -30.0....600.0 °C / -30....600 °C
T (Cu-CuNi) thermocouple -30.0...400.0 °C / -30....400 °C
S (Pt10Rh-Pt) thermocouple -40...1700 °C
R (Pt13Rh-Pt) thermocouple -40...1700 °C
Accuracy
Pt-100 (resistance thermometer): ±0.2% (of full scale) ±1 digit
Thermocouples: ±0.5% (of full scale) ±1 digit
Thermocouples: ±0.5% (of full scale) ±1 digit
Line Resistance
Max. 100ohm for thermocouple. Max. 1ohm for 2-wired Pt-100
Outputs
S1....S4 SSR Control Outputs
Four outputs, Max. 24 VDC ±20% , 30mA short circuit protected SSR control
Control
Control Type
Set-point control for 4 zone
Control Algorithm
On-Off, P, PI, PD, PID (selectable)
A/D Converter
14 bit
Sampling Time
200ms
Proportional Band
Adjustable between 0.0% and 100.0%. If Pb=0%, 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
Rail mounting
dimensions
W22.5xY96xD86mm
Weight
Approx. 158g (after packaging)
Enclosure Material
Self extinguishing plastics