Description
Yokogawa ALR121-S00 Product Description
Technical Specifications
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Product Model: ALR121-S00
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Brand: Yokogawa
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Warranty: One Year
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Input Voltage: Standard industrial control system operating voltage, low power consumption design
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Operating Temperature: -10°C to 55°C (14°F to 131°F)
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Storage Temperature: -20°C to 75°C (-4°F to 167°F)
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Response Time: Fast millisecond-level serial data transceiver and signal response
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Protection Class: Industrial standard isolation protection with 2500 Vrms insulation voltage
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Accuracy Class: Stable binary transmission accuracy with low industrial data error rate
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Output Frequency: Multi-level adaptive baud rate up to 38400 bps communication frequency
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Rated Current Range: Max 30mA low steady-state current for continuous stable operation
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Communication Interface: Dual-port RS-422/RS-485 industrial serial communication interface
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Supported Protocols: Start-stop synchronous binary transmission protocol, industrial serial bus protocols
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Overload Capacity: Built-in signal isolation, surge suppression and data error self-correction protection
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Dimensions: Compact lightweight industrial module form factor, suitable for system rack installation
Product Overview
The Yokogawa ALR121-S00 is a professional dual-port RS-422/RS-485 serial communication module designed for Yokogawa industrial DCS and STARDOM control systems. Supporting a maximum transmission distance of 1200 meters and baud rates up to 38400 bps, it delivers stable long-distance industrial data transmission with start-stop synchronous binary communication mode. Equipped with 2500 Vrms isolation protection and ultra-low power consumption design, it effectively resists on-site electrical interference and ensures secure signal interaction. It realizes seamless data exchange between industrial controllers and field serial devices, solving traditional serial communication instability and short-distance limitations. Featuring compact structure, easy installation and reliable long-term operation, it is widely applied in process automation, petrochemical and industrial monitoring systems to provide stable serial communication solutions for automation and maintenance teams.
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