Product Description
The AAP149-S00 (AAP149) is a high-speed pulse acquisition module designed for Yokogawa CENTUM VP and CS 3000 Distributed Control Systems (DCS). It serves as a precise interface for pulse-generating field instruments such as flow meters, tachometers, and rotary encoders, converting raw pulse sequences into digital process data for real-time monitoring and control.
Optimized for high-density applications, the AAP149 supports 16 channels with a 2 ms data refresh cycle, ensuring accurate capture of even high-frequency signals. Its design enables reliable integration into dynamic process environments where rapid pulse measurement is critical.
Technical Specifications
| Parameter | Specification |
|---|---|
| Order Code | AAP149-S00 |
| Input Configuration | 16 channels, non-isolated (shared common) |
| Signal Compatibility | Transistor contact (Open Collector) |
| Frequency Range | 0–6 kHz |
| Pulse Detection Logic | Trailing edge (high-to-low transition) |
| Data Refresh Rate | 2 ms |
| Compatible Base Unit | PM1 (Processor Module) interface |
| Power Consumption | 400 mA maximum at 5 V DC |
| Module Weight | 0.3 kg |
Application
-
Interface with turbine, positive displacement (PD), and rotary flowmeters
-
Motor speed and rotation monitoring via proximity switches or encoders
-
High-speed pulse acquisition for DCS process control loops
-
Industrial applications requiring precise counting and frequency calculation
Frequently Asked Questions
What type of field devices are typically used with the AAP149-S00?
The AAP149-S00 is commonly connected to turbine or PD meters with open-collector pulse outputs, as well as motor speed sensors, proximity switches, or rotary encoders.
How does the module handle signal noise?
As a non-isolated module, it is recommended to use shielded twisted-pair cabling and proper grounding at the terminal board to minimize electromagnetic interference and avoid false pulse counts, especially at frequencies near the 6 kHz maximum.
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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