ASI133-H00

Overview

ASI133-H00 is a Yokogawa analog input module with built-in barrier, supporting 8 isolated channels for 4–20 mA signals. It includes HART communication, ISA Standard G3 option, and extended temperature operation (–20 to 70 °C).

Identity

• Model: ASI133-H00

• Series: Yokogawa I/O Modules

• Type: Analog Input Module with Built-In Barrier

• Suffix Codes:

  • –H: With HART communication

  • 0: Always 0

  • 0: Always 0

Input Characteristics

• Channels: 8 isolated

• Signal Type: 4–20 mA

• Allowable Current: 22.5 mA

• Withstanding Voltage: 1500 V AC

• Input Resistance (Power ON):

  • 2-wire: 400 Ω (20 mA) to 750 Ω (4 mA)

  • 4-wire: 485 Ω (20 mA) to 925 Ω (4 mA)

• Input Resistance (Power OFF): ≥ 1 MΩ

• Accuracy: ±16 µA

Performance

• Step Response Time: 100 ms

• Data Update Period: 10 ms

Power Supply

• Transmitter Supply: ≥ 16 V DC (output current limit: 20 mA)

• Max Normal Mode Input Voltage (4-wire transmitter): 25 V

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