Temperature Controllers
ET1111
DIN-Rail Mounted (Slave) Temperature Controller
The ET1111 is a digital universal DIN-rail mounted controller with PID control. It enables oven control with adjustable baking temperature and time, or step control with 16 different temperatures and times set in a single recipe. With Pt100, thermocouple, 0-20 mA and 4-20 mA universal inputs selectable from the keypad, it covers all your applications. The self-tune feature sets the best PID parameters automatically. It offers a selectable 0-20 mA, 4-20 mA, SSR or relay output, and RS-485 communication is standard. Having no digital display, the product is managed, read and controlled via the ModBus RTU protocol. As a slave device, it can be managed by ET1121 master units.
Technical Specifications
Housing
- Housing Type
- DIN-rail mounting, in-panel housing
- Dimensions
- G25,5xY91xD65 mm
- Weight
- Approx. 200 g (with packaging)
Electrical Characteristics
- Supply Voltage
- Takes its supply voltage from the ET1120
- Power Consumption
- 5VA
- Connection
- 1.5 mm² plug-in terminal block
- Input
- Selectable multi-input: thermocouple, Pt-100, 4-20 mA and 0-20 mA
- Scale
- 0…600 °C for Fe-Const (J) thermocouple; 0…1200 °C for NiCr-Ni (K) thermocouple; 0…400 °C for Cu-Const (T) thermocouple; 0…1600 °C for Pt10Rh-Pt (S) thermocouple; -200…600 °C for Pt13Rh-Pt (R) thermocouple; -200…600 °C for Pt-100 resistance thermometer; -99.9…300.0 °C for Pt-100 resistance thermometer; -999…4000 for 0-20 mA and 4…20 mA
- Accuracy
- ±0.2% (of full scale) ±1 digit
- Operating Temperature °C
- 0...50 °C
- Data Retention
- EEPROM (minimum 10 years)
Outputs
- CONT./A2 Output
- 1 relay: 250 Vac, 2 A (resistive load), NO; selectable as control or Alarm2 output
- A1 Output
- 1 relay: 250 Vac, 2 A (resistive load), NO or NC selectable
- ANL/SSR Output
- Selectable as 0-20 mA or 4-20 mA analogue output, or logic control output
- Relay Life
- 30,000,000 operations without load; 300,000 operations at 250 V ac, 2 A resistive load
Control
- Control Type
- On-Off, P, PI, PD, PID (selectable)
- Control Type
- Single set value and alarm control
- Sampling Time
- 500ms
- Proportional Band
- Adjustable between 0% and 100%
- Integral Time
- Adjustable between 0.0 and 100.0 min
- Derivative Time
- Adjustable between 0.00 and 25.00 min
- Control Period
- Adjustable between 1 and 250 s
- Hysteresis
- Adjustable between 1 and 50 °C/°F
- Output Power
- Ratio at the set value adjustable between 0% and 100%
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