



Introduction
The Yokogawa AAP149-S50 Pulse Input Module is engineered for accurate acquisition and processing of pulse signals from field instruments in industrial automation systems. It is designed for high-speed counting, event monitoring, and flow totalization applications. Its reliable construction ensures stable performance in demanding industrial environments, making it ideal for engineers managing process monitoring, production control, and distributed control system (DCS) integration.
Technical Specifications
| Parameter | Specification |
|---|---|
| Module Type | Pulse Input Module |
| Dimensions | 127.2 × 32.8 × 130 mm (H × W × D) |
| Weight | 0.3 kg |
| Input Type | Digital pulse signals |
| Frequency Range | High-speed pulse detection |
| Isolation | Electrical isolation between channels |
| Mounting Method | Panel or DIN-rail mounting |
| Operating Temperature | 0°C to 60°C |
| Status Indicators | LED indicators for input signal and module health |
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