The AAI543-S00 (Model: AAI543) is a high-precision analog output module designed for Yokogawa’s CENTUM VP and CS 3000 distributed control systems (DCS). As a core component of the Field I/O (FIO) subsystem, the AAI543-S00 (Order Number: AAI543-S00) provides 16 isolated channels to drive field devices such as control valves, actuators, and signal converters. This module is engineered to convert digital control commands from the DCS into stable 4 to 20 mA DC current signals, ensuring deterministic process regulation.
A critical correction to common misinformation: the AAI543-S00 (Part Number: AAI543-S00) is an Analog Output Module, not an input module. It features galvanic isolation between the system and field circuits, as well as channel-to-channel isolation, which is essential for preventing ground loops and maintaining signal integrity in complex plant architectures. With its "Standard" (S) and "Basic" (00) suffix codes, it provides a reliable, cost-effective solution for mission-critical industrial applications in petrochemical, power generation, and water treatment sectors.
The AAI543-S00 (Model: AAI543-S00) delivers consistent performance through advanced digital-to-analog conversion and robust safety features.
| Feature | Details |
| Manufacturer | Yokogawa Electric Corporation |
| Model Number | AAI543-S00 |
| Product Type | Analog Output Module |
| Series | CENTUM VP / CS 3000 (FIO Subsystem) |
| Number of Channels | 16, isolated |
| Output Signal | 4 to 20 mA DC |
| Allowable Load Resistance | 0 to 750 Ω |
| Accuracy | ±48 µA (±0.3% of full scale) |
| Data Update Period | 10 ms |
| Withstanding Voltage | 1500 V AC between field and system |
| Redundancy | Supports dual-redundant configuration |
| Current Consumption | 230 mA (5 V DC), 290 mA (24 V DC) |
| External Connection | Pressure clamp terminal, MIL connector, or KS1 cable |
| Dimensions (W x H x D) | 32.8 × 107.5 × 130 mm |
| Weight | 0.3 kg (Net) / 1.5 kg (Shipping) |
| Operating Temperature | 0°C to +60°C |
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