Yokogawa SDV531-L23 Digital Output Module

Overview

The Yokogawa SDV531-L23 is an 8-channel digital output module designed for high-reliability control in industrial automation. It is a core component of Yokogawa’s ProSafe-RS safety instrumented system (SIS). This module delivers precise 24 V DC digital signals to field devices such as solenoids, actuators, and relays. Yokogawa engineered it for harsh environments and demanding safety applications.

Technical Specifications

Model: SDV531-L23
Type: Digital Output Module
System: ProSafe-RS SIS

Output Specifications

• Channels: 8 digital output channels

• Output Type: 24 V DC digital signals

• Output Voltage: 24 V DC nominal

• Output Current (per channel): Up to 25 mA

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

• Minimum Load Current: 35 mA

• Output Response Time: ≤ 30 ms

• Withstand Voltage: 2 kV AC for 1 minute (between signal and system ground)

Power Supply

• External Power: 24 V DC, minimum 5 A

• Current Consumption:

• 280 mA max @ 5 V DC

• 140 mA max @ 24 V DC

Communication and Interface

• Protocol: MODBUS

• Connection: Signal cable interface adapter

• Mounting: Panel mount

• Module Isolation: Yes

Environmental Conditions

• Operating Temperature: -20°C to +60°C (some sources: -40°C to +85°C)

• Humidity: 10% to 95% RH, non-condensing

• Protection: Non-explosion proof

Mechanical

• Dimensions: 75 mm × 114 mm × 90 mm

• Weight: 0.28 kg