Voltage data logger AR634

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The AR634 and AR654 are a compact, multifunction controllers designed for precise measurement, control, and recording of temperature, pressure, flow, and other process values. They offer four universal inputs, four control/alarm outputs with PID, autotuning, program control, and optional analogue outputs and binary inputs for flexible operation. They support fuzzy logic tuning, manual/auto switching, and programmable control modes such as heating or cooling. With 4 GB data memory, USB/Ethernet communication (MODBUS-RTU/TCP, HTTP), and a built-in web server with remote DDNS access, AR634 and AR654ensure seamless integration and long-term data logging. The 3.5” colour touch display and ARSOFT software provide intuitive setup and visualization, while the IP65/IP30 enclosure and 24 VDC transmitter supply make them a robust, all-in-one solution for advanced industrial process control. 4 universal inputs 4 control outputs: relay or SSR Control Algorithms: ON-OFF with hysteresis, PID, PID autotuning, 12-step program adjustment Built-in memory, possible recording on USB memory (pendrive) Optional module of 4 analog outputs and 5 binary inputs Standard interfaces USB, RS485, Ethernet LCD colour graphic display with touch screen Built-in web server with status of measurements, outputs, recording, diagrams and mail notification Wall-mounted housing