YOKOGAWA SDV531-L33 Digital Output Module

The YOKOGAWA SDV531-L33 is a digital output module designed to provide reliable on/off status signals to field equipment in industrial automation systems. This module supports advanced features such as dual-redundancy and field wiring diagnostics, making it suitable for safety and control applications.

Key Features

Output Functionality:
- Outputs on/off status signals to field equipment.
- Supports dual-redundant configurations for enhanced reliability.
Field Diagnostics:
- Built-in diagnostic functions eliminate the need for additional wiring diagnosis elements.
Robust Electrical Specifications:
- Handles up to 8 output channels with module isolation.
- Designed to withstand harsh industrial environments.

Specifications

Electrical Specifications:

Attribute	Details
Number of Outputs	8 channels (module isolation).
Output Voltage	24 V DC.
Output Voltage Drop	1 V maximum.
External Power Supply Rating	24 V DC ±20%, 5 A minimum.
Maximum Load Current	0.6 A per output line (4.8 A total for all output lines).
Minimum Load Current	35 mA.
Load Resistance Range	40 to 685 Ω (including field wiring resistance).
Output Format	Current source.
Maximum Leak Current	1.6 mA (when output is off).
Output Response Time	30 ms maximum.

Power Requirements:

Attribute	Details
Current Consumption	280 mA (5 V DC), 140 mA (24 V DC).

Environmental Specifications:

Attribute	Details
Operating Temperature	-20 to 70 °C (-4 to 158 °F).
Weight	Approx. 0.28 kg (with pressure clamp terminal or MIL cable).
External Connection Options	Pressure clamp terminal, MIL cable, or dedicated signal cable (AKB331/AKB651).

Safety and Withstand Voltage:

Attribute	Details
Withstand Voltage	2 kV AC (output signal lines to system, floating power supply).
Withstand Voltage (Cable)	500 V AC when using AKB331; dependent on cable specs for MIL connectors.

Model and Suffix Codes

Model: SDV531
Description: Digital Output Module (8-channel, 24 V DC, module isolation).

Suffix Codes:

Suffix	Description
-L	Long-distance type.
3	With ISA Standard G3 and extended temperature range (-20 to 70 °C).

Important Notes:

Dual-Redundant Configuration:
- For dual-redundant setups, an additional module with the same specifications is required.
Signal Cable Compatibility:
- When using this module with signal cables, specific option codes (/SDV531, /SDV53L, or /DV53L) must be selected to prevent incorrect module insertion.
Recommended Connections:
- Use AKB331 or AKB651 signal cables for optimal performance.
- Floating the field power supply is recommended for higher noise immunity.