Yokogawa NFAI135 Pulse Input Module

Overview

The Yokogawa NFAI135 is a pulse input module designed for accurate signal acquisition in industrial automation systems. It is used to receive and process high-speed pulse signals from field devices such as flow meters, counters, and sensors, ensuring stable and precise data conversion for control and monitoring applications.

General Information

Part Number: NFAI135

Manufacturer: Yokogawa

Brand / Country of Origin: Yokogawa / Japan

Series: NF

Type: Pulse Input Module

Application: High-speed pulse signal acquisition and processing

Mounting: Rack or system chassis installation

Technology: Digital pulse input processing with signal conditioning and isolation

Power Specifications

Supply Voltage: 24 V DC

Power Consumption: ≤ 5 W

Input Type: Pulse signal (frequency/counter inputs)

Protection: Electrical isolation and surge protection

Status Indicators: LED indicators for channel and module status

Communication & Interface

System Interface: Yokogawa control system backplane

Signal Processing: High-speed pulse counting and frequency measurement

Diagnostics: Input signal monitoring and module fault detection

Configuration: Software-configurable via system engineering tools

Operator Interface: LED status indicators for operation monitoring

Environmental

Operating Temperature: 0°C to +55°C

Storage Temperature: -25°C to +70°C

Humidity: 5% to 95% RH, non-condensing

Vibration Resistance: Industrial control environment rated

Protection Rating: IP20 (installed within control cabinet)

Dimensions & Weight

Dimensions (L × W × H): 130 × 107.5 × 32.8 mm

Weight: 0.3 kg

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