NFAP135-S00

Overview

The Yokogawa NFAP135-S00 is a pulse input module designed for FIO systems. It supports pulse counting across 8 isolated channels, with flexible input types and high‑frequency capability up to 10 kHz.

Module Configuration

• Model: NFAP135 (Pulse Input Module, 8‑channel, isolated)

• Suffix –S: Standard type

• Suffix 0: Basic type

• Product Type: Pulse Input Module

Input Specifications

• Number of Input Channels: 8, isolated channels

• Input Signal (2‑wire type): Contact ON/OFF, voltage pulse, current pulse (transmitter power supply possible)

• Input Signal (3‑wire type): Power‑supply‑type voltage pulse

• Input Frequency: 0 to 10 kHz

• Minimum Input Pulse Width: 40 μs

• Shunt Resistance: Selectable OFF / 200 / 500 / 1000 Ω (open when power is OFF)

• Pull‑up Resistance: 68 kΩ (12 V DC or 24 V DC)

• Filter Function: Selectable filter to eliminate chattering

Electrical Characteristics

• Withstanding Voltage:

  • Between input and system: 500 V AC for 1 minute

  • Between channels: 500 V AC for 1 minute

• Transmitter Power Supply: Selectable 24 V DC / 12 V DC

  • Limiter value: 12 V DC ±10 % = 40 mA

  • Limiter value: 24 V DC ±10 % = 30 mA

• Data Refresh Cycle: 2 ms

• Maximum Current Consumption:

  • 300 mA (5 V DC)

  • 400 mA (24 V DC)

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