Yokogawa|SDV521-S33|Digital Output Module

Description

Features

• 4 isolated output channels for high-power industrial field devices
• Current source output format with 2 A/channel maximum load capability
• Module-level isolation (2 kV AC) for noise immunity and safety
• Supports dual-redundant configuration for reliable operation
• Dedicated signal cable (AKB651) connection for secure field wiring

Technical Specifications

• Output Channels: 4 (module-isolated)
• Output Voltage: 24 V DC (voltage drop ≤1 V)
• Output Format: Current source
• Load Capability:
  • Maximum load current: 2 A/channel (8 A total)
  • Minimum load current: 100 mA
  • Load resistance range: 12 to 240 Ω
  • Maximum lamp load: 1 A/channel (inrush current up to 10x rated)
• External Power Supply:
  • Rating: 24 V DC, 10 A minimum
  • Voltage range: +20%/-10% (24 V DC ±5% for style code S1/S2)
  • Current capacity: 8.2 A (at full load)
• Electrical Characteristics:
  • Maximum leak current (output off): 1.6 mA
  • Output response time: ≤30 ms
  • Withstand voltage: 2 kV AC (output signal lines to system, 1 minute)
• Power Consumption:
  • 280 mA maximum (5 V DC internal)
  • 140 mA maximum (24 V DC external)
• Physical Specifications:
  • Weight: Approx. 0.36 kg
  • External connection: Dedicated signal cable (AKB651)