Yokogawa SAI143-S03/K4A00 Analog Input Module

FAQ

• Q1: What is the maximum input current range supported by SAI143-S03/K4A00?
  A1: The module supports 4–20 mA standard current signals, with a measurement accuracy of ±16 µA within 1–23 mA range.

• Q2: Can this module operate in extreme temperatures?
  A2: Yes, it operates safely within -20°C to 70°C, complying with ISA Standard G3.

• Q3: How is electrical isolation achieved in this module?
  A3: Each channel is isolated, preventing ground loops and minimizing interference from external electrical noise.

• Q4: What is the update rate of analog input data?
  A4: The module updates input data every 40 milliseconds, allowing near real-time monitoring.

• Q5: Can the transmitter power supply be controlled independently for each channel?
  A5: No, the ON/OFF function for transmitter power supply is available simultaneously for all 16 channels in 2-wire configuration.

• Q6: What protection does the module have against voltage surges?
  A6: It can withstand 1.5 kV AC between input signal and system for 1 minute.

• Q7: What are the physical dimensions and weight of the module?
  A7: The module measures 130 × 107.5 × 32.8 mm and weighs 0.34 kg.

• Q8: How is the input impedance affected during power-off?
  A8: During power-off, the input impedance is ≥500 kΩ, preventing signal leakage and protecting connected devices.

Analog Input Module SAI143-S03 SAI143-S03/K4A00 Yokogawa Yokogawa SAI143

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