Yokogawa AAP135 Pulse Input Module for CENTUM VP Control Systems

Description

Product Description

Yokogawa AAP135 is an advanced pulse input module for industrial automation.

It delivers stable pulse acquisition with strong isolation and system redundancy support.

The module integrates smoothly with Yokogawa Centum VP control systems.

• Eight fully isolated input channels
• Multiple pulse signal compatibility
• Designed for redundant architectures
• High immunity to electrical noise

Technical Specifications

• Brand: Yokogawa
• Model: AAP135
• Module Type: Pulse Input Module
• Input Channels: 8 isolated channels
• Measurement Range: 0 to 10 kHz
• Minimum Pulse Width: 40 µs
• Update Period: 2 ms

• Supported Input Signals
• 2-wire contact ON or OFF
• 2-wire voltage or current pulse
• 3-wire powered voltage pulse

• Input Signal Levels
• High level: 3 to 24 V DC
• Low level: -1 to 8 V DC
• Minimum swing: 3 V

• Isolation Performance
• Input to system: 500 V AC, 1 minute
• Channel to channel: 500 V AC, 1 minute

• Environmental Resistance
• Operating temperature up to 70 °C with G3 option
• High resistance to vibration and EMI

Suffix Code Structure

• -S
  • Standard configuration
• -5
  • Non-explosion protected version
• -E
  • Explosion protection supported
• -3
  • ISA G3 coating
  • Extended temperature range

Installation Guide

• Install inside Yokogawa I/O node or cabinet
• Support KS and MIL connector cables
• Select correct transmitter power before wiring
• Ensure proper grounding

Commissioning and Maintenance

• Fast configuration through control system
• No field calibration required
• Supports hot replacement in redundant systems
• Low maintenance over lifecycle

Compatibility

• Compatible with Yokogawa DCS platforms
• Optimized for Yokogawa Centum VP systems
• Works with standard industrial pulse transmitters

Certifications and Compliance

• Manufactured under Yokogawa quality standards
• Explosion protection available by suffix
• Designed for long-term industrial use

Package Contents

• Yokogawa AAP135 module
• Original protective packaging
• Factory inspection identification

Warranty and Shipping

• Warranty: 12 months
• Courier: FedEx, UPS, DHL
• Worldwide express delivery available

Typical Applications

• Flow and speed monitoring
• Utility and energy systems
• Chemical and petrochemical plants
• Manufacturing automation lines

Diagnostic Capabilities

• Channel-level signal status monitoring
• Early detection of wiring faults
• Improved maintenance efficiency

FAQ

• Which signals does this module support
• It supports contact, voltage, and current pulses.

• Does the module supply transmitter power
• Yes. It provides selectable 12 V or 24 V DC.

• How do I choose the correct suffix
• Select based on environment and safety requirements.

• Is it suitable for high-noise environments
• Yes. It offers strong isolation and filtering.

• Is redundancy supported
• Yes. It supports dual-redundant system design.

Selection Guide

• Choose AAP135 for multi-channel pulse inputs
• Confirm signal type and frequency range
• Select explosion protection when required

Copyright © 2026

PLCDCS HUB Limited
.
All rights reserved.

Contact:

+86 158 8020 0923