Yokogawa SAV144-S33 Digital Input Module

The Yokogawa SAV144-S33 is a 16-channel digital input module designed for use in Yokogawa’s safety instrumented systems (SIS). It is part of the SDV144 series and serves to interface field devices with the SIS, ensuring secure, reliable communication for critical safety applications. The module’s robust features include dual-redundancy configuration and high isolation, making it suitable for harsh industrial environments.

Technical Specifications

• Number of Input Channels: 16 channels, each with module isolation.
• Rated Input Range:
  • 1 to 5 V or 1 to 10 V.
• Permissible Input Range: ±30 V.
• Input Impedance:
  • During Power-ON: 1 MΩ.
  • During Power-OFF: 100 kΩ.
• Rated Accuracy:
  • For 1 to 5 V: ±4 mV.
  • For 1 to 10 V: ±9 mV.
• Data Update Frequency: 40 ms.
• Operating Temperature Range: -20°C to 70°C.
• Module Isolation: Ensures signal integrity and prevents interference.
• Redundancy: Dual-redundancy for enhanced system reliability.
• Standards Compliance: ISA Standard G3 for connector compatibility.