6ES7136-6RA00-0BF0 Siemens SIMATIC F-RQ Safety Relay Module 24VDC/230VAC

Engineering Overview: The 6ES7136-6RA00-0BF0 Safety Relay

The 6ES7136-6RA00-0BF0 is a specialized failsafe digital output module within the high-performance SIMATIC ET 200SP distributed I/O family. Engineered for critical safety applications, this F-RQ module provides a single high-capacity relay output capable of switching voltages ranging from 24V DC to 230V AC. Its robust design ensures dependable operation in emergency stop circuits, interlock systems, and safety-rated load control environments.

Technical Performance Matrix

• Brand/Series: Siemens SIMATIC ET 200SP
• Model ID: 6ES7136-6RA00-0BF0
• Module Type: F-RQ (Failsafe Relay Output)
• Output Configuration: 1 Relay Output
• Switching Capacity: Max 5A (Resistive load)
• Voltage Range: 24V DC coil / 24–230V AC switching
• Power Loss: 1.0W (Typical)
• Configuration: TIA Portal V13 or STEP 7 V5.5 SP4
• Bus Consumption: 100 mW (Backplane bus)

Global PLC Spare HUB Insight

For automation safety professionals, the 6ES7136-6RA00-0BF0 serves as the reliable "final element" in safety chains. We categorize this as a mission-critical spare for sectors requiring SIL3-rated output control. Its versatility—handling both DC and high-voltage AC loads—makes it a perfect fit for robotics, automated conveyer zones, and power-grid control interfaces where safety certification is mandatory.

Logistics and Support

• Quality Assurance: Every unit is backed by a 12-month performance warranty.
• Global Fulfillment: We provide rapid expedited shipping via FedEx, UPS, and DHL.
• Dispatch Window: All orders are prepared and dispatched within 24–48 hours.

Expert Technical FAQ

Is this module suitable for high-frequency switching tasks?
No, this is a relay-based module. It is intended for safety-related interlocks rather than high-frequency pulse modulation or frequent machine cycling.

What safety integrity level (SIL) does this module support?
The 6ES7136-6RA00-0BF0 is designed for high-availability safety applications; refer to your specific safety project TIA configuration to confirm your localized SIL attainment.

Does this module require a specific base unit?
Yes, ensure you are utilizing the correct BaseUnit (BU) types compatible with the ET 200SP F-series modules to maintain safety isolation ratings.

Selection Tip: Why choose F-RQ over solid-state output modules?
Choose the F-RQ when your application requires physical contact isolation or when you need to switch high-voltage AC loads that standard solid-state PLC outputs cannot handle.

Experience Tip: How do I identify a relay weld failure?
The module monitors its own health; if the relay contacts weld shut, the safety controller will detect the discrepancy via the configured feedback loop and force a safe state.

Integration Best Practices

• Wiring Integrity: Given the 5A rating, always use appropriately gauged copper conductors to prevent terminal heating during peak load.
• Safety Logic: Always implement external redundant monitoring if the safety application demands dual-channel architecture.
• Diagnostic Maintenance: Utilize I&M0-I&M3 data functions to track module serial numbers and firmware revision history for compliance auditing.

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