



The Yokogawa AAM21-S2 is a versatile analog output module engineered for industrial automation and process control systems. It converts digital control signals into precise voltage or current outputs to drive actuators, control valves, or other field devices. Designed for reliability and long-term stability, the AAM21-S2 provides consistent performance even in demanding industrial environments. Its compact and modular design allows seamless integration into Yokogawa control systems, supporting efficient process control and flexible system expansion.
Technical Specifications
| Feature | Specification |
|---|---|
| Model | Yokogawa AAM21-S2 |
| Module Type | Analog Output Module |
| Output Channels | 4 |
| Output Signal Types | Voltage or Current |
| Output Range | Voltage: 0–10 V; Current: 4–20 mA |
| Resolution | 16-bit |
| Accuracy | ±0.1% full scale |
| Load Resistance | Voltage: ≥2 kΩ; Current: 250–600 Ω |
| Isolation | Galvanic isolation between channels |
| Response Time | 2 ms per channel |
| Operating Temperature Range | −20 °C to +60 °C |
| Dimensions (W×H×D) | 40 mm × 105 mm × 150 mm |
| Weight | 0.32 kg |
Recommended Related Models
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Yokogawa AAM21-S1 – Predecessor model with similar output capabilities.
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Yokogawa AAM21J – Analog output module with standard features.
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Yokogawa AOA143 – Analog output module for distributed signal control.
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