ATC9311 is programmable analogue thermostat based on microcontroller with a relay output and Fe-Const sensor input. The process and set values are viewed on 3 digits display. The unit embodies On-Off control or time proportional control with a knob on the front panel for temperature setting. By the means of led on the front panel, it is easy to indicate the state of output. Display & Keyboard | Temperature Indicator | 3 digits, 7.62 mm, 7 segment red LED | | Weight | Approx.250g (after packing) | | Mounting method | Suitable for flush-panel mounting | | Electrical Characteristics | | Supply |  60Hz
24Vac ±%10, 50/60Hz
9-30Vdc / 7-24Vac ±%10 SMPS module | | Data Retention | EEPROM (minimum 10 years) | | Accuracy | For adjustment ±%4, for display ±0.5% full scale or±1 digit | | Entry | Fe-Const thermocouple | | Connection | 2.5mm2 screw-terminal connections | | Operation Temperature °C | 0...50 ºC | | Temperature Compansation | 0...50 ºC | | Control Output | 1 relay: 250Vac, 2A (resistive load), NO+NC
12Vdc 20mA logic output (order option) | | Control Algorithm | On-Off or time proportional (select program) | | Control Period | 10s (for time proportional control) | | Proportional Band | 0...2% (for time proportional control) | | Hysteresis | 4ºC (On-Off control) |
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