Overview
The YOKOGAWA ASR133 is a versatile RTD/POT input module used in Yokogawa’s CENTUM VP and CS3000 distributed control systems (DCS). It connects a wide range of RTD and potentiometer field devices to the system. This module supports precise temperature measurements for various industrial applications, ensuring flexibility and reliability in data acquisition.
Technical Specifications
- Supported RTD Types:
- IEC 60751 (ITS-90): Pt50, Pt100, Pt200, Pt500, Pt1000
- DIN 43760-1987: Ni100, Ni200
- Minco: Ni120
- Supported POT Type:
- 3-wire type, 0 to 10 kΩ
- Channels: Select RTD/POT individually for channels CH1 to CH8.
- Input Voltage: ±5V
- Isolation: 1500 VAC
- Input Resistance: 1MΩ or larger
- Load Resistance: 50Ω per load (*4)
- Current: 150 μA
- RTD Resistance Accuracy:
- Pt50, Pt100, Ni100, Ni200, Ni120: ±150 mΩ
- Pt200: ±300 mΩ
- Pt500: ±600 mΩ
- Pt1000: ±1.2Ω
- POT Accuracy: ±2Ω
- Temperature Coefficient:
- Pt50, Pt100, Ni100, Ni200, Ni120: ±325 mΩ/10°C
- Pt200: +650 mΩ/10°C
- Pt500: ±1.3Ω/10°C
- Pt1000: +2.6Ω/10°C
- POT: +5.2Ω/10°C
- Power Consumption:
- 150 mA (5V DC)
- 60 mA (24V DC)
- Weight: Approx. 0.30 kg
- Connection: Isolated interface with pressure clamp terminal (ATSR3).
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