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Yokogawa AAP135‑S00 / K4A00 Analog I/O Module

Brand:Yokogawa Electric
Item No.:AAP135‑S00 / K4A00
Product Origin:Japan
Product Dimensions:107.5 × 32.8 × 130 mm
Product Weight:0.3kg
Payment:T/T, Western Union, Credit Card
Goods_stock:15
Shipping Port:Xiamen, China
Lead Time:1-3 Days
Condition:Brand New And Original
Warranty:1 Year
Certificate:COO
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  • Technical FAQs
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AAP135-S00 K4A00-4AAP135-S00 K4A00-1AAP135-S00 K4A00-3AAP135-S00 K4A00-2

Introduction

The Yokogawa AAP135‑S00 / K4A00 is a versatile analog I/O module designed for integration into Yokogawa DCS and PLC systems. It is optimized for capturing pulse and analog signals from field devices such as flow meters, encoders, and other digital or analog sources. This module combines fast response times, high noise immunity, and robust galvanic isolation, making it ideal for process monitoring, batch and continuous control, and industrial automation applications across chemical, water treatment, energy, and manufacturing industries.

Technical Specifications

ParameterDetails
Module TypeAnalog / I/O Module for Yokogawa systems
Channels8 isolated input channels (pulse or analog depending on configuration)
Supported Signal TypesPulse, digital contact, voltage or current pulse inputs (2‑wire or 3‑wire)
Pulse Input Frequency Range0 to 10 kHz typical
Minimum Pulse Width Input~ 40–50 µs depending on signal type
Counting Resolution32-bit counters per channel
Isolation / Withstand Voltage500 V AC between inputs and system, 500 V AC between channels, 1-minute withstand
Data Update Period2 ms for pulse counting or input updates
Transmitter Power SupplySelectable 12 V DC or 24 V DC to supply field transmitters or sensors
Maximum Current Consumption~ 300 mA (5 V DC) or ~ 400 mA (24 V DC) depending on configuration
Physical WeightApprox. 0.3 kg
Mounting / Form FactorRack‑mounted module suitable for Yokogawa I/O backplane / Field I/O system


Applications

  • Counting pulses from flow meters, energy meters, or encoders.

  • Accepting discrete contact inputs from switches, relays, or contact sensors.

  • Integrating multiple field devices into a Yokogawa DCS/PLC rack system.

  • Industrial process plants requiring robust, isolated multi-channel I/O.

  • Retrofits or expansions of existing Yokogawa control systems needing flexible I/O capacity.


Advantages

  • Flexible input support — accepts pulse, contact, and voltage/current signals.

  • Robust isolation — 500 V AC isolation protects internal system logic from noise or transients.

  • High-speed pulse handling — up to 10 kHz ensures accurate counting and fast signal acquisition.

  • Compact & modular — 8-channel density saves rack space and simplifies wiring.

  • Fast update — 2 ms update period supports real-time control or monitoring.

  • Field supply flexibility — internal selectable 12 V or 24 V DC power for field devices.


Technical FAQs (10)

  1. Q: How many input channels does the AAP135‑S00 / K4A00 have?
    A: 8 isolated input channels.

  2. Q: What signal types can the module accept?
    A: Digital pulse, dry contact, open-collector, voltage pulse, or current pulse.

  3. Q: What is the maximum pulse input frequency supported?
    A: Up to 10 kHz typical.

  4. Q: What is the minimum pulse width the module can detect?
    A: Approximately 40–50 µs depending on input signal and wiring.

  5. Q: Is the module input-to-system isolated?
    A: Yes, 500 V AC isolation between inputs and system and between channels for 1-minute withstand.

  6. Q: How fast does the module update or count pulses?
    A: 2 ms data update period in pulse mode.

  7. Q: Does the module supply power to field devices or sensors?
    A: Yes — selectable 12 V DC or 24 V DC for compatible field transmitters or sensors.

  8. Q: What is the module’s power consumption?
    A: Up to ~300 mA at 5 V DC or ~400 mA at 24 V DC depending on supply and load.

  9. Q: What is the physical weight of the module?
    A: Approximately 0.3 kg.

  10. Q: What applications are ideal for this module?
    A: Flow or pulse measurement systems, encoder counting, process automation, discrete signal acquisition from field devices, and DCS/PLC system expansions.


Sales and Business Development

Phone: +8617350837383
E-mail: [email protected]
Skype: +8617350837383
WhatsApp: +8617350837383
Business hours: We Provide Online Support 24/7
Address: Room 1001, Jiuzhou Commercial Building, Xiamen, Fujian Province, China

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