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Inviva
ET7420 ET7420
ET7420

EMOS GROUP
Innovative Technologies with Strong Solutions,
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ET7420

72x72 mm Sized, Selectable PT 100 or Thermocouple Input, SSR + 2 Relay Outputs, PID Temperature Control Device

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ET7420

Selectable dual set value input

Selectable sensor types (Pt-100, J, K, L, T, S, R)

Automatic calculation of PID parameters (SELF TUNE)

Three different programmable digital inputs

Three different programmable F function buttons

Soft-Start feature

Selectable SSR control output

Second alarm or temperature control output, usable as C/A2 relay output

First alarm output or PID cooling output, usable as A1 relay output

Selectable heating/cooling control

Offset feature for input

Ability to select relay positions or periodic and automatic periodic operation in case of probe failure

Communication via RS-485 ModBus protocol

CE marked according to EN standards

Ambient/Storage Temperature 0...50 °C / -25...70 °C
Relative Humidity Up to 80% at 31 °C, then decreases linearly to 50% at 40 °C
Protection Class Front Panel: IP65, Rear Panel: IP20 according to EN 60529
Altitude Up to 2000m
Supply Voltage 90-250V AC 50/60Hz or 10-30V DC / 8-24V AC
Power Consumption 5VA
Connection Terminal Block with Socket
Scale Pt-100 Resistance Thermometer -199.9...600.0 °C / -200...600 °C
Fe-Const (J) Thermocouple -30...600 °C / -30.0...600.0 °C
NiCr-Ni (K) Thermocouple -30...1300 °C / -30.0...-999.9 °C
Fe-CuNi (L) Thermocouple -30...600 °C / -30.0...-600.0 °C
Cu-CuNi (T) Thermocouple -30...400 °C / -30.0...-400.0 °C
Pt10Rh-Pt (S) Thermocouple -40...1700 °C
Pt13Rh-Pt (R) Thermocouple -40...1700 °C
Accuracy ±0.5% of full scale ±1 digit (for thermocouples), ±0.2% of full scale ±1 digit (for Pt-100 Resistance Thermometer)
Wire Resistance Max 100 ohms
C/A2 Output Relay: 250V AC, 8A (for resistive load), selectable as NO+NC control or Alarm2 output
A1 Output Relay: 250V AC, 8A (for resistive load), NO (selectable as Alarm1 and Cooling control output)
SSR Output 24V, 20mA
Relay Life No load 30,000,000 switching; 250V AC, 2A resistive load 300,000 switching
Control Mode Single setpoint control
Control Method On-Off, P, PI, PD, PID (selectable)
A/D Converter 12 bit
Sampling Time 100ms
Proportional Band Adjustable between 0.0% and 100.0%. Pb=0.0 for On-Off control
Control Period Adjustable between 1 and 250 seconds
Hysteresis Adjustable between 1 and 50 °C/F
Output Power Adjustable between 0% and 100% of set value
Mounting Type Panel mountable
Dimensions W72xH72xD97 mm
Weight Approx. 400g (with packaging)
Enclosure Material Self-extinguishing plastic

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