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SDV531-S12

The Yokogawa SDV531-S12 is a digital output module designed for use in safety instrumented systems (SIS) and distributed control systems (DCS). It provides 8 isolated digital output channels with 24 V DC voltage, suitable for controlling field devices such as solenoids and relays.

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Key Specifications

Model: SDV531-S12

Channels: 8 isolated digital output channels

Output Voltage: 24 V DC

Output Voltage Drop: Maximum 1 V

External Power Supply Rating: 24 V DC, 5 A minimum

Output Format: Current source

Maximum Load Current: 0.6 A per output line (4.8 A total)

Minimum Load Current: 35 mA

Load Resistance Range: 40 to 685 Ω

Maximum Leakage Current (Output OFF): 1.6 mA

Output Response Time: Maximum 30 ms

Withstand Voltage: 2 kV AC between output signal lines and system for 1 minute

Current Consumption:

280 mA maximum (5 V DC)

140 mA maximum (24 V DC)

Weight: Approximately 0.28 kg (with pressure clamp terminal block or MIL cable)

Mounting Style: Style S2

Explosion Protection: None

Compliance: ISA Standard G3

Temperature Range: -20°C to +70°C (for maintenance purposes)

✅ Key Features

Dual Redundancy Support: The SDV531 series can be configured for dual redundancy to enhance system reliability.

Built-in Diagnostics: Includes field wiring diagnostic functions, eliminating the need for additional diagnostic components.

Flexible Connectivity: Supports various wiring options, including dedicated signal cables, pressure clamp terminals, and MIL cables.

Compact Design: Lightweight and space-saving form factor suitable for industrial environments.