
Product Description
Yokogawa AAI543-S50/K4A00 Analog Output Module Overview
The Yokogawa AAI543-S50/K4A00 is a high-performance 16-channel isolated analog output module engineered for demanding industrial control applications. This module delivers precise 4-20mA current output signals with channel-to-channel isolation, ensuring signal integrity and system reliability in complex DCS environments.
Technical Specifications
- Output Channels: 16 isolated analog outputs
- Output Signal: 4-20mA DC current loop
- Isolation: Channel-to-channel and channel-to-system isolation
- Accuracy: ±0.1% of full scale
- Resolution: 12-bit D/A conversion
- Cable Type: KS cable compatible (K4A00 suffix)
- Redundancy Support: Dual-redundant configuration capable
- Operating Temperature: -20°C to +60°C
- Power Consumption: Max 5W per module
Industrial Applications
This analog output module excels in process control scenarios requiring precise signal transmission:
- Valve Positioning: Control pneumatic and electric actuators with accurate 4-20mA signals for flow regulation in oil & gas, chemical processing, and water treatment facilities
- Variable Speed Drives: Interface with VFD controllers to modulate motor speeds in conveyor systems, pumps, and compressors
- Temperature Control: Drive heating elements and cooling systems in pharmaceutical manufacturing, food processing, and HVAC applications
- Pressure Regulation: Command pressure control valves in hydraulic systems, steam distribution networks, and pneumatic circuits
System Integration Solutions
The AAI543-S50/K4A00 integrates seamlessly into Yokogawa CENTUM VP and ProSafe-RS distributed control systems. The isolated architecture prevents ground loops and electrical noise interference, critical for maintaining signal accuracy in electrically noisy industrial environments. The KS cable termination simplifies field wiring while maintaining robust EMI immunity.
Redundant configuration support enables fault-tolerant system designs where continuous operation is mission-critical. When paired with redundant power supplies and controllers, the module ensures uninterrupted process control even during component failures.
Why Choose This Module
Engineers select the AAI543-S50/K4A00 for its proven reliability in harsh industrial conditions, comprehensive diagnostic capabilities, and compatibility with legacy and modern Yokogawa control platforms. The 16-channel density optimizes cabinet space while reducing installation costs compared to lower-density alternatives.
Related Products:
| Product | Description | Link |
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| Yokogawa SAI143-H03 | 16-Channel Analog Input Module | View Product |
| Yokogawa ASD533-S00 | 8-Channel Digital Output Module | View Product |
| Yokogawa NFAI841-S00 | Analog I/O Module | View Product |
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