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Yokogawa ASD533-S (Digital Output Module with Built-In Barrier)
Product Introduction: An 8-channel isolated digital output module designed for Yokogawa CENTUM VP DCS systems. It features a built-in safety barrier, providing reliable control of field devices in hazardous industrial environments.
Technical Specifications:
- Output Channels: 8 isolated channels
- Output Type: Sinking/sourcing, 24 V DC
Detailed content
- Output Current: 1 A per channel
- Isolation Voltage: 1500 V AC (1 minute)
- Response Time: ≤ 10 ms
- Operating Temperature: -20°C to 70°C (ISA G3 compliant)
- Power Supply: 5 V DC (from backplane) + 24 V DC (field)
- Weight: Approx. 0.3 kg
Functional Features:
- Built-in intrinsic safety barrier for hazardous area applications
- Full galvanic isolation between channels and system
- High current drive capability for direct control of solenoids and relays
- Status LEDs for channel diagnostics
- Hot-swappable design for maintenance without system shutdown
- Compliance with ISA Standard G3 for harsh environments
Application Scenarios:
Oil and gas refineries, chemical plants, and pharmaceutical facilities for controlling solenoid valves, actuators, and alarm indicators in hazardous locations.
