Yokogawa|NFDR541|Relay Output Module

YOKOGAWA NFDR541 Relay Output Module

The YOKOGAWA NFDR541 is a 16-channel relay output module used in CENTUM and STARDOM control systems to switch field devices via dry contact signals, supporting both AC and DC loads with high electrical isolation.

Features

• 16 independent relay contact outputs
• RoHS-compliant variants available (suffix T□□)
• Configurable output fallback mode: HOLD, OFF, or NO
• Status indication and pressure clamp terminal connection

Technical Specifications

• Number of Channels: 16
• Contact Type: Form A (SPST-NO) dry contacts
• Rated Voltage: 24 to 125 V DC; 100 to 240 V AC (50/60 Hz)
• Maximum Load Current (Resistive):
  • 2.0 A/channel at 24 V DC or 100–220 V AC
  • 1.0 A/channel at 48 V DC
  • 0.3 A/channel at 110/125 V DC
• Maximum Load Current (Inductive):
  • 0.6 A at 24 V DC, 0.3 A at 48 V DC, 0.1 A at 110 V DC
  • 2.0 A at 100 V AC, 1.0 A at 220 V AC
• Common Configuration: Shared common per 8 channels
• Max Current per Common: 8 A
• Withstanding Voltage:
  • 2000 V AC for 1 minute (field-to-system)
  • 1350 V AC for 1 minute (between commons)
• Output Response Time: ≤12 ms
• Fallback Detection Time: 4 seconds
• Power Consumption: 780 mA at 5 V DC
• Weight: 0.3 kg