AAI835-H00

Product Overview

AAI835-H00 is a Yokogawa isolated analog I/O module with 4 input and 4 output channels, supporting 4 to 20 mA signals and digital communication (HART protocol).

Model & Suffix Codes

• Model: AAI835 Analog I/O Module (4 to 20 mA, 4-channel input/4-channel output, Isolated channels)

• Suffix codes:

• H: With digital communication (HART protocol)

• 0: Always 0

• 0: Basic type

Channel & Signal Details

• Number of I/O channels: 4-channel input / 4-channel output, isolated

• Input signal: 4 to 20 mA

• Output signal: 4 to 20 mA

• Allowable input current: 25 mA

• Withstanding voltage:

• Between input/output and system: 500 V AC, 1 minute

• Between input/output channels: 500 V AC, 1 minute

• Input resistance: —

• Allowable load resistance: 0 to 750 Ω

• Circuit-open detection: Less than 0.65 mA

Accuracy & Performance

• Input accuracy: ±16 µA

• Output accuracy: ±48 µA

• Data update period: 10 ms

• Transmitter power supply:

• Minimum: 15.0 V at 20 mA

• Maximum: 29.3 V at 0 mA

• Temperature drift: ±16 µA/10 °C

• Maximum current consumption:

• 360 mA (5 V DC)

• 450 mA (24 V DC)

Physical

• Weight: 0.3 kg

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