Digital guide

You are here:

Yokogawa F3SP71-4S Safety Relay Module

  • Product Introduction: It is a safety relay module belonging to Yokogawa’s ProSafe – RS safety instrumented system, designed based on IEC 61508 standard, with SIL 3 safety integrity level. It is used to implement safety interlock logic and emergency shutdown functions in industrial processes to ensure the safety of personnel and equipment.
  • Technical Specifications:
    • Safety Integrity Level: SIL 3, compliant with IEC 61508 and IEC 61511.
    • Number of Channels: 4 safety – related relay output channels.
    • Output Contact Capacity: 250V AC, 5A per channel (resistive load).
    • Response Time: ≤ 10ms.
    • Working Voltage: 24V DC, power consumption ≤ 250mA.

Detailed content

    • Working Temperature: -20~70°C.
    • Redundancy: Supports 1:1 redundant configuration.
  • Functional Characteristics:
    • Forced safety state: Enters a safe state when power is lost or a fault is detected.
    • Self – monitoring: Continuously monitors relay contacts, power supply and internal circuits for faults.
    • Dual – coil design: Prevents false operation due to coil failure, ensuring reliable safety function execution.
    • Seamless integration: Works with ProSafe – RS safety controllers for complex safety logic programming.
    • Fault indication: LED indicators for channel status and fault alarms for quick troubleshooting.
  • Application Scenarios: Used in high – risk industries such as petroleum chemical, chemical, nuclear power and pharmaceutical. It is applied to safety interlock functions such as emergency shutdown (ESD), fire and gas protection (F&G), and over – limit protection of key process parameters, ensuring the safety of the production process.

You may also like