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- Yokogawa
- AAP135-s50/K4A00
- Analog I/O Module
- Japan
- 107.5 × 32.8 × 130 mm
- 0.3 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Yokogawa AAP135-S50/K4A00 is an Analog I/O Module (Pulse Input Type) designed for Yokogawa FIO (Field Input/Output) systems within CENTUM DCS platforms. It is primarily used to acquire pulse-based signals and convert them into process data, enabling accurate monitoring and control in industrial automation systems.
This module is optimized for high-speed signal acquisition, electrical isolation, and reliable field interfacing, making it suitable for demanding industrial environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa |
| Model | AAP135-S50/K4A00 |
| Product Type | Analog / Pulse Input Module |
| System Compatibility | Yokogawa CENTUM / FIO systems |
| Function | Pulse signal input and processing |
| Input Type | Contact ON/OFF, voltage pulse, current pulse |
| Channel Configuration | 8 isolated input channels |
| Input Frequency | 0–10 kHz pulse count |
| Signal Isolation | Channel-to-channel and system isolation |
| Redundancy Support | Dual-redundant configuration supported |
| Interface Option | KS Cable Interface Adapter (ATK4A-00) |
| Circuit Type | Industrial signal acquisition module |
| Processing Role | Signal conditioning (non-CPU) |
| Mounting Type | Rack-mounted module |
| Operating Environment | Industrial control cabinet |
| Humidity Range | 5%–95% non-condensing |
| Dimensions | 107.5 × 32.8 × 130 mm |
| Weight | 0.3 kg |
Function and Working Principle
The AAP135-S50/K4A00 operates as a pulse signal acquisition and conversion module.
Its core functions include:
- Receiving pulse signals from field devices such as flow meters and encoders
- Supporting multiple signal types (contact, voltage pulse, current pulse)
- Counting and processing pulse frequency for measurement and control
- Converting field signals into digital data for the control system
- Ensuring signal accuracy through isolation and filtering
It acts as a high-speed interface between pulse-generating field devices and the control system.
Role in Industrial Control Systems
Within Yokogawa DCS architectures, the AAP135-S50/K4A00 provides:
- High-speed pulse data acquisition for process measurement
- Integration of field instruments into centralized control systems
- Accurate monitoring of flow, speed, and event counts
- Reliable signal transmission with strong noise immunity
- Support for redundant system configurations
Industrial Applications
The Yokogawa AAP135-S50/K4A00 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 control systems
Installation and System Integration
Recommended installation practices include:
- Installing in Yokogawa FIO I/O rack
- Ensuring proper backplane alignment
- Connecting pulse signal wiring correctly
- Verifying signal frequency compatibility
- Performing configuration and calibration during commissioning
Compatible System Components
The AAP135-S50/K4A00 typically works with:
- Yokogawa CENTUM controllers
- Analog and digital I/O modules
- Communication interface modules
- Field transmitters and sensors
- Pulse-output devices (flow meters, encoders)
- Control and monitoring systems
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| AAP135-S50/K4A00 | Pulse I/O module | High-speed pulse input | Yokogawa DCS |
| AAP135-S50/13S00 | Pulse input module | Standard signal acquisition | Process systems |
| AAP135-S00/I3S00 | Analog I/O module | Combined I/O capability | Automation |
| AAI835-S53 | Analog I/O module | Multi-channel analog signals | Control systems |
| AAM51-S214 | Output module | Current/voltage output | Industrial control |
Key Advantages
- High-speed pulse input capability (up to 10 kHz)
- Multi-signal compatibility (contact, voltage, current pulse)
- Strong electrical isolation for noise immunity
- Supports redundant system configurations
- Reliable operation in industrial environments
- Seamless integration with Yokogawa DCS
Technical FAQs
What is the AAP135-S50/K4A00 used for?
It is used for pulse signal acquisition in industrial control systems.
How many channels does it support?
It supports 8 isolated input channels.
What signals can it handle?
Contact ON/OFF, voltage pulse, and current pulse signals.
Does it support redundancy?
Yes, it supports dual-redundant configurations.
Conclusion
The Yokogawa AAP135-S50/K4A00 Analog I/O Module is a high-performance pulse input module designed for accurate and reliable signal acquisition. With its high-speed capability, isolation, and compatibility with Yokogawa DCS systems, it is an essential component for process monitoring and control in industrial environments.