AAI135-H50

Overview

Yokogawa AAI135-H50 is an 8-channel isolated analog input module supporting 4 to 20 mA signals for precise process control.

Channel and Signal

• Number of I/O channels: 8-channel input, isolated

• VO signal: 4 to 20 mA

• Allowable input current: 25 mA

Electrical Isolation

• Withstanding voltage (between input and system): 500 VAC for 1 minute

• Withstanding voltage (between input channels): 500 VAC for 1 minute

Input Resistance

• Power ON resistance: 290 Ω (at 20 mA) to 450 Ω (at 4 mA)

• Power OFF resistance: 500 kΩ or larger

Performance

• Allowable load resistance: Specified by module design

• Circuit-open detection: Supported

• Accuracy: ±16 µA

• Data update period: 10 ms

• Transmitter power supply: 15.0 V or higher (at 20 mA), 29.3 V or less (at 0 mA)

• Temperature drift: ±16 µA / 10 °C

• Maximum current consumption: 360 mA (5 V DC), 450 mA (24 V DC)

• Weight: 0.3 kg

Model Options

• Suffix Codes:

• -H: With digital communication (HART protocol)

• 5: No explosion protection

• 0: Basic type

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