Yokogawa AAI143-H50 16-channel Analog Input Module (Current Input)

Suffix Codes:

• H: With digital communication (HART protocol)
• 50: 0.5-meter length
• 5: No explosion protection

Specifications:

• Number of Input Channels: 16, isolated
• Input Signal: 4 to 20 mA
• Allowable Input Current: Up to 24 mA
• Withstanding Voltage: 1500 V AC between input and system for 1 minute
• Input Resistance: Power ON 270 Ω (20 mA) to 350 Ω (4 mA), Power OFF 500 kΩ or larger
• Accuracy: ±16 µA
• Data Update Period: 10 ms
• Transmitter Power Supply: 19.0 V or higher (at 20 mA), 25.5 V or less (at 0 mA)
• Setting of 2-wire or 4-wire Transmitter: Configurable for each channel by setting pin
• Drift due to Ambient Temperature Change: ±16 µA/10 ˚C
• Maximum Current Consumption: 230 mA (5 V DC), 540 mA (24 V DC)
• Weight: Approx. 0.30 kg
• External Communication: Pressure clamp terminal, MIL connector cable, dedicated cable (KS1)
• HART Communication: Available

Notes:

• A Zener barrier is not allowed to be connected with this module. Use an isolation barrier for intrinsically safe applications.
• The module's input resistance varies based on the current strength and voltage drop in the input protection circuit.
• With dedicated cable, withstanding voltage is 500 V AC between input signal and system. With MIL connector cable, it depends on cable electrical specifications.
• Voltage for 2-wire transmitters is generated between connecting terminals of this module. Consider voltage drop in external wiring when calculating minimum operating voltage for transmitters.

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