Description: ATR 121 - Controller Double Setpoint is available in 32 x 74 (frontal) x 58mm size. It has a green LED display unit which displays a 3 decimal value. The operating condition required by it is 0.4? C, 35.95 RH%. The input is configured with TC K, R, J SPT 100, NI100. PT 500M PT1000, PTC, NTC 0/4 ... 20mA, 0...10 Volt and with potentiometers of <= 6k?, <=150 k?. The outputs of control relay 10 A (version AD) and with control relay 8A (version A-B-C) - alarm relay 5A (version AD-A-B-C); SSR command/alarm (all versions); serial RS485, Modbus-RTU/slave protocol (versions ADT, AT). It is supported with control actions - on/off, PID auto tuning (heat digit for TC/RTD; 0.2% ± 1 digit for V/mA; sampling time 6ms; sealing - IP54 Frontal, IP30 box, IP20 terminal blocks. The parameter used in this unit is protected by password and use of memory card is done for configuration and serial production.
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