8-Channel | Yokogawa SDV531-L63 | Digital Output Module

Product Description

The Yokogawa SDV531-L63 is an 8-channel digital output module designed for distributed control systems requiring isolated 24 V DC outputs. Built with current source output format and robust isolation, this module ensures reliable signal transmission and stable operation in industrial automation environments. With multiple external connection options and compliance with ISA Standard G3, it is suitable for demanding process control applications.

Technical Specifications

• Manufacturer: Yokogawa

• Model: SDV531-L63

• Product Type: Digital output module

• Number of Outputs: 8-channel, isolated

• Output Voltage: 24 V DC

• Voltage Drop: ≤ 1 V

• External Power Supply:

• Rating: 24 V DC, minimum 5 A

• Voltage Range: +20% / -10% tolerance

• Current Capacity: 5 A total

• Output Format: Current source

• Maximum Load Current: 0.6 A per channel, 4.8 A total

• Minimum Load Current: 35 mA

• Load Resistance Range: 40–685 Ω

• Response Time: ≤ 30 ms

• Leak Current (Off State): ≤ 1.6 mA

• Withstand Voltage: 2 kV AC for 1 minute between output lines and system (8-point negative lines collectively connected)

• Current Consumption:

• ≤ 280 mA at 5 V DC

• ≤ 140 mA at 24 V DC

• Weight: Approx. 0.28 kg (pressure clamp terminal block or MIL cable), 0.34 kg (signal cable adapter)

• External Connection Options: Pressure clamp terminal, MIL cable, dedicated signal cable (AKB331, AKB651)

Application Scenarios

• Process Control Systems: Provides reliable digital output for monitoring and control functions

• Industrial Automation: Designed for integration into Yokogawa distributed control systems

• Harsh Environments: Extended tolerance ensures stable operation under demanding conditions

• Legacy System Support: Compatible with existing Yokogawa setups requiring digital output modules

FAQ

Q: How many channels does the SDV531-L63 support?  A: It supports 8 isolated digital output channels.

Q: What is the maximum load current per channel?  A: Each channel supports up to 0.6 A, with a total maximum of 4.8 A.

Q: What connection options are available?  A: The module supports pressure clamp terminal blocks, MIL cable, and dedicated signal cables (AKB331, AKB651).