AAI835-H53

Product Overview

Yokogawa AAI835-H53 is an analog I/O module with isolated channels, supporting 4-channel input and 4-channel output for 4 to 20 mA signals.

Channel and Signal

• 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

Electrical Isolation

• Withstanding voltage (input/output to system): 500 VAC for 1 minute

• Withstanding voltage (between input/output 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

Model Options

• Suffix Codes:

• -H: With digital communication (HART protocol)

• 5: No explosion protection

• 3: ISA Standard G3 option and temperature (-20 to 70 °C) option

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