Yokogawa AAI835-H50/13S00 Analog Input/Output Module

Overview

The Yokogawa AAI835-H50/13S00 is a 4-channel analog input/output module used in CENTUM VP and CS 3000 distributed control systems. It handles both 4–20 mA input and output signals with high precision. Each channel features full electrical isolation, ensuring robust protection against signal interference. The module supports HART communication, enabling remote device configuration and diagnostics. Its compact design and wide temperature tolerance make it ideal for demanding industrial environments.

Technical Specifications

Model : AAI835-H50/13S00

Input

• Channels: 4 isolated channels

• Signal Range: 4–20 mA

• Input Resistance (Power ON): 290–450 Ω

• Input Resistance (Power OFF): ≥500 kΩ

• Allowable Input Current: Up to 25 mA

• Accuracy: ±16 µA

• Temperature Drift: ±16 µA per 10 °C

Output

• Channels: 4 isolated channels

• Signal Range: 4–20 mA

• Accuracy: ±48 µA

Communication

• Protocol: HART (supported on all channels)

Isolation

• Input/Output to System: 500 V AC for 1 minute

• Between Channels: 500 V AC for 1 minute

Power Requirements

• Voltage: 5 V DC and 24 V DC (from base module)

Installation

• Mounting: DIN rail or panel

Environmental

• Operating Temperature: –20°C to +70°C

• Data Update Period: 10 ms

• Weight: 0.3 kg