ATR121-B
Controller ATR121-B
The ATR121-B is a small controller for panel mounting. It has 2 relay outputs and one output for a solid state relay. The 3-digit display shows the actual temperature. After pressing an arrow key, it switches to the set temperature.| Size: | 77 x 35.3(front) x 61.2mm | |
| Panel cutout: | 70.5 x 28.5mm | |
| Power consumption: | 2 W | |
| Operating temperature range: | 0...40°C | |
| one universal input: | Thermocouples K, J, S, R; Pt100; Ni100; Pt500; Pt1000; PTC 1000 Ohm; NTC 10kOhm; 0/4...20mA; 0...10V; 0...6kOhm; 0...150kOhm | |
| two relay outputs: | OUT1: 10A OUT2: 5A |
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| one output HL relay: | 8 Volt 20mA for version A/B/C 15 Volt 30mA for version AD (at 12V AC) 30 Volt 30mA for version AD (at 24V AC) |
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| Control algorithms: | ON/OFF with hysteresis or PID with automatic tuning | |
| Accuracy: | 0,5% +/- 1 digit for thermocouples and RTD 0,2% +/- 1 digit for V,mA |
|
| Display: | 3 digits | |
| Other data: | - Configuration password - Memory Card for expansion, configuration, programming |
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| Specification: | ||
| Voltage- supply: |
121-AD: 12…24V AC +/- 10% 50/60Hz 12…35V DC 121-A: 24V AC +/- 10% 50/60Hz 121-B: 230V AC +/- 10% 50/60Hz |
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| Serial communication: | 121-T: RS485 - protocoll Modbus RTU slave. |
Relay Q2 + alarm function not possible on this model only 121-AT: 24V AC +/- 10% 50/60 Hz only 121-ADT: 12...35V DC |
| Resolution: | -99...999 digit |
