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Yokogawa NFAI135-S00

Product Overview:
The NFAI135-S00 is a field communication module designed for the FA-M3 programmable controller platform manufactured by Yokogawa Electric Corporation. This module enables seamless integration of FA-M3 controllers into EtherNet/IP industrial Ethernet networks, facilitating high-speed data exchange between the PLC and supervisory systems, HMIs, and other EtherNet/IP-compliant devices.

Detailed content

Technical Specifications:

  • Communication Protocol: EtherNet/IP (ODVA-compliant)
  • Communication Port: 1 × RJ-45 (100BASE-TX, auto-negotiation)
  • Maximum Nodes per Network: 63 nodes
  • Data Transfer Rate: 100 Mbps
  • Power Supply Voltage: 24 VDC (±20%)
  • Power Consumption: ≤ 2.5 W
  • Operating Temperature Range: 0°C to +55°C
  • Storage Temperature Range: -20°C to +70°C
  • Relative Humidity: 5% to 95% RH (non-condensing)
  • Dimensions (W × H × D): 25 mm × 90 mm × 78.5 mm
  • Weight: Approximately 120 g
  • Mounting Method: DIN rail (35 mm) mounting

Functional Features:

  • Full EtherNet/IP adapter functionality with explicit and implicit messaging support
  • Supports CIP (Common Industrial Protocol) message communication
  • Enables real-time I/O data exchange between FA-M3 CPU and EtherNet/IP scanners
  • Compatible with Rockwell Automation Logix controllers and other EtherNet/IP devices on the same network
  • Web server function for remote configuration and diagnostics via browser
  • Supports UDP/IP and TCP/IP communication stacks

Structural Features:

  • Compact DIN rail-mountable housing with snap-on terminal covers
  • LED status indicators: PWR (Power), RUN (Operation), ERR (Error), COMM (Communication)
  • Terminal block connector for field wiring
  • Pluggable connection to FA-M3 CPU bus

Applicable Industries:
Oil & Gas, Petrochemical, Power Generation, Water/Wastewater Treatment, Pharmaceutical, Food & Beverage, Pulp & Paper, Automotive Manufacturing

Installation Requirements:

  • Mount on 35 mm DIN rail inside electrical cabinet
  • Maintain minimum 50 mm clearance above and below for ventilation
  • Use shielded twisted-pair cable (Cat5e or higher) for EtherNet/IP connection
  • Ensure proper earthing/grounding of the module chassis

Precautions:

  • Do not expose to corrosive gases, dust, or direct sunlight
  • Avoid mechanical shock and vibration exceeding 10 G (11 ms duration)
  • Verify 24 VDC power polarity before energizing
  • Use surge protector on Ethernet line in electrically noisy environments

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