AAI835-H53/K4A00

Overview

AAI835-H53/K4A00 is a Yokogawa analog I/O module with 4 input and 4 output isolated channels (4–20 mA), designed for high-precision signal processing in industrial automation systems.

I/O Specifications

• Input Signal: 4–20 mA × 4 channels

• Output Signal: 4–20 mA × 4 channels

• Allowable Input Current: 25 mA

• Input Resistance (Power ON): 0–7500 Ω

• Load Resistance (Output):
  • ≥ 15.0 V at 20 mA
  • ≤ 29.3 V at 0 mA

Accuracy & Detection

• Input Accuracy: ±16 μA

• Output Accuracy: ±48 pA

• Circuit-Open Detection Threshold: < 0.65 mA

Electrical Characteristics

• Channel Isolation: 500 V AC between input/output/system for 1 min

• Power Consumption:
  • 360 mA @ 5 V DC
  • 450 mA @ 24 V DC

Physical

• Weight: 0.3 kg

Suffix Codes

• -H: With digital communication (HART protocol) 

• 5: No explosion protection

• 3: G3 coating & extended temperature range (–20 to 70 °C)

Optional Code

• /K4A00: Includes KS Cable Interface Adapter (ATK4A-00)

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