The Yokogawa AAP135-S00 S2 is an 8-channel pulse input module featuring 10kHz high-speed detection and 500V AC isolation. Ideal for frequency and pulse counting in CENTUM VP and STARDOM systems.
The Yokogawa AAP135-S00 S2 delivers high-performance pulse counting and frequency measurement for demanding industrial automation systems. This module processes a variety of signal types, including contact ON/OFF, voltage pulses, and current pulses, from both 2-wire and 3-wire sensors. By supporting an input frequency range from 0 to 10 kHz and detecting pulse widths as narrow as 40 µs, the AAP135 ensures you never miss a critical signal during high-speed production or flow monitoring.
You can rely on the AAP135-S00 S2 to maintain signal integrity in electrically noisy environments. The module features eight fully isolated channels, providing 500 V AC isolation between the system and field, as well as between individual channels. This architecture prevents ground loops and protects your control logic from field-side voltage surges. Furthermore, the module updates its internal data every 2 milliseconds, providing your DCS with the rapid feedback necessary for precise real-time control.
The compact design of the AAP135-S00 S2 allows you to maximize space within your control panels while simplifying field wiring. It utilizes a 68 kΩ pull-up resistance and maintains efficient power consumption profiles (300 mA at 5 V DC). As part of the “S2” series, this module offers enhanced durability and long-term stability, making it a trusted component for mission-critical monitoring of turbine flowmeters, motor encoders, and speed sensors.
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