Description: Dual PID auto tuning temperature controllers are offered by Autonics Corporation. The PID controllers avoid the oscillations when the process value changes. Also these avoid the steady state error. Autonics PID can be set as PIDH - high speed PID or as slow speed PIDS. Where the need is to reach the desired value fast, high speed (PIDH) should be used. For minimising overshoot, low speed (PIDS) response should be used. 13 kinds of inputs can be connected to the PID controller. These are thermocouples, RTDs, and current voltage inputs. The outputs are in the form of relay, SSR, current and RS485 communication output (PV, SV). 4-20 mA retransmission output for recording also is available from the controller. Apart from these outputs, there are alarm outputs SBA (Sensorbreak Alarm) adn LBA (Loop break alarm). The SBA alarm turn on when the sensor line is cut or open. LBA function is to diagnose an abnormal temperature of the control system. If the temperature of the control system is not changed within ±2°C during setting time of LBA, the LBA output will be On. TZN and TZ series of PID controllers are the most popular series: These display the process value and setting value in 7-segment LED display. The PID can be hooked to the 100-240 V AC or as an option to 24 V AC/24-48 V DC power supply. The programming is simple and can be achieved by the push buttons on the controller. Different sizes of controllers are available with 48 x 48,48 x 96, 96 x 48, 72 x 72, 96 x 96 mm. On/Off, P, P1, PD, PIDF, PIDS control types are possible. Decimal point can be selected for the analogue value. 32 controllers can be multidropped on single RS485 MODBUS and can be connected to the PLC. Hysteresis can be adjusted from 1 to 100. With these PID controllers excellent temperature control is possible. The CE & UL approved PID controllers from Autonics Corporation are economical considering the volume business, without compromising the quality.
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