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- Yokogawa
- AAP149-S50
- Pulse Input Module
- Japan
- 127.2 x 32.8 x 130 mm
- 0.3 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Yokogawa AAP149-S50 is a Pulse Input Module used in Yokogawa DCS systems. It is designed to receive and process pulse signals from field devices, enabling accurate measurement of flow, speed, and event counting in industrial automation systems.
This module provides stable high-speed signal acquisition, strong electrical isolation, and reliable integration with process control platforms.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa |
| Model | AAP149-S50 |
| Product Type | Pulse Input Module |
| System Compatibility | Yokogawa DCS |
| Function | Pulse signal acquisition and processing |
| Channel Configuration | Multi-channel isolated inputs |
| Input Types | Contact ON/OFF, voltage pulse, current pulse |
| Input Frequency | High-speed pulse measurement capability |
| Signal Isolation | Channel-to-channel and system isolation |
| Processing Function | Pulse counting and frequency measurement |
| Mounting Type | Rack-mounted module |
| Operating Environment | Industrial control cabinet |
| Humidity Range | 5%–95% non-condensing |
| Dimensions | 127.2 × 32.8 × 130 mm |
| Weight | 0.3 kg |
Function and Working Principle
The AAP149-S50 operates as a pulse signal acquisition interface module.
Its core functions include:
- Receiving pulse signals from field instruments
- Supporting multiple signal types including contact and voltage pulses
- Counting pulse events and measuring frequency
- Converting input signals into digital data for control systems
- Providing electrical isolation for stable operation
It functions as a high-speed interface between field devices and DCS systems.
Role in Industrial Control Systems
Within Yokogawa DCS architectures, the AAP149-S50 provides:
- Accurate pulse-based data acquisition
- Integration of field measurement devices into control systems
- Real-time monitoring of flow and speed variables
- Reliable performance in noisy industrial environments
- Support for continuous process monitoring
Industrial Applications
The Yokogawa AAP149-S50 is widely used in:
- Flow measurement systems
- Turbine and generator monitoring
- Oil and gas processing plants
- Chemical and petrochemical industries
- Power generation facilities
- Industrial automation and instrumentation systems
Installation and System Integration
Recommended installation practices include:
- Installing in Yokogawa DCS I/O rack or module base
- Ensuring proper backplane alignment
- Connecting pulse signal wiring correctly
- Verifying signal compatibility and frequency range
- Performing configuration and calibration during commissioning
Compatible System Components
The AAP149-S50 typically works with:
- Yokogawa DCS controllers
- Analog and digital I/O modules
- Communication interface modules
- Field pulse devices (flow meters, encoders, counters)
- Industrial control and monitoring systems
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| AAP149-S50 | Pulse input module | High-speed pulse acquisition | DCS systems |
| AAP135-S53/K4A00 | Pulse input module | High-speed isolated input | Process control |
| AAP135-S50/K4A00 | Pulse input module | Multi-signal compatibility | Automation |
| AAP135-S00/I3S00 | Analog I/O module | General signal interface | Control systems |
| AAI835-S53 | Analog I/O module | Multi-channel analog processing | Industrial monitoring |
Key Advantages
- Reliable high-speed pulse input processing
- Strong electrical isolation for noise immunity
- Stable performance in industrial environments
- Compatible with multiple field signal types
- Easy integration with Yokogawa DCS systems
- Suitable for continuous process monitoring
Technical FAQs
What is the AAP149-S50 used for?
It is used for pulse signal acquisition and processing in industrial control systems.
What types of signals does it support?
Contact ON/OFF, voltage pulse, and current pulse signals.
Is it a controller module?
No, it is a signal input module.
Where is it installed?
In Yokogawa DCS I/O racks or module bases.
Conclusion
The Yokogawa AAP149-S50 Pulse Input Module is a reliable and high-performance component for industrial automation systems. It ensures accurate pulse signal acquisition, stable operation, and seamless integration into Yokogawa DCS platforms for process monitoring and control applications.