The Yokogawa SDV531-L23 is a digital output module designed for use in safety instrumented systems (SIS), particularly within the ProSafe-RS series. This module provides 8 isolated digital output channels, each delivering 24 V DC signals, suitable for controlling field devices such as solenoids, relays, and actuators.

Technical Parameters (English) Parameter Specification Model Fisher FIELDVUE DVC6200f Type Digital Valve Controller (Positioner) with Foundation Fieldbus Communication Protocol Foundation Fieldbus H1 (31.25 kbit/s) Input Signal Digital setpoint via Fieldbus; also accepts a 4-20 mA backup signal for critical applications. Supply Air Pressure 20 to 100 psig (1.4 to 6.9 bar) Air Consumption Less than 0.2 SCFM (0.33 m³/hr) at steady state (less than 0.02 SCFM for low bleed models). Stem Travel Range 0.2 to 4.0 inches (5.0 to 101.6 mm) for linear actuators; 25° to 120° for rotary actuators. Accuracy Better than ±0.5% of span (including linearity, hysteresis, and dead band). Ambient Temperature Range -40°F to 185°F (-40°C to 85°C) Enclosure Rating NEMA 4X (IP66/67) Hazardous Area Approvals FM, CSA, ATEX, IECEx for Class I, Division 1 / Zone 1 hazardous locations. Function Blocks Contains standard Fieldbus function blocks (AI, AO, PID, etc.) for distributed control. Partial Stroke Test (PST) Configurable for automated testing of Safety Instrumented Functions (SIF).

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