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YS1700-021/A03

The Yokogawa YS1700-021/A03 is a single-loop digital indicating controller from the YS1700 series. It is designed for precise process control in industrial applications such as temperature, pressure, flow, and level regulation.

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Parameters & Specifications
Category Specification
Model YS1700-021/A03
Type Single-Loop Digital Indicating Controller
Input Thermocouple (T/C) or RTD (e.g., K-type T/C or Pt100) [Specific type depends on exact suffix interpretation]
Output 4-20 mA DC (for controlling actuators like valves) + Relay Output (for alarm or auxiliary functions)
Control Action PID (Proportional-Integral-Derivative) with auto-tuning
Display Dual 4-digit LED displays (PV: Process Value, SV: Set Value)
Accuracy ±0.3% of span (for input)
Sampling Period 100 ms
Power Supply 24 V DC or 100-240 V AC (depending on configuration)
Communication RS-485 (optional, for integration with control systems)
Ambient Temperature 0-50°C (32-122°F)
Protection Rating IP66 (front panel) for dust and water resistance
Mounting Panel-mounted (cutout: 92 x 92 mm)
Certifications CE, FM, ATEX (for hazardous areas)