1. Basic Specifications

• Model: AAI543-S50

• Channels: 16 isolated analog output channels

• Signal Type: 4–20 mA DC

• Load Resistance: 0–750 Ω

• Accuracy: ±48 μA (approx. ±0.1%)

• Update Cycle: 10 ms

• Isolation Withstand Voltage: 1500 V AC (Between output and system, 1 minute)

• Dimension / Weight: 107.5 × 32.8 × 130 mm / Approx. 0.4 kg

• Operating Temperature: -20 °C ~ +70 °C

2. Key Features

1. HART Communication: Bidirectional communication with HART devices, available for secondary variable reading and device diagnosis.

2. Redundancy Support: Dual redundant configuration supported with standard switching mode, non-explosion-proof.

3. Open Circuit Detection: Wire break detection when output current < 0.65 mA.

4. Hot Swappable: Module replacement online without system shutdown or operation interruption.

3. Suffix Definition

• -S: Standard type

• 5: Standard redundant switching, non-explosion-proof

• 0: Basic version

4. Typical Application

• Applicable for YOKOGAWA CENTUM VP DCS system

• Process industries: chemical, power plant, steel & metallurgy

• Control of control valves, inverters, indicators and other 4–20 mA field devices