BMEH586040S Modicon M580 Redundant Hot Standby Safety CPU SIL3

BMEH586040S Modicon M580 Redundant Hot Standby Safety CPU by Schneider Electric

The BMEH586040S is a Level 6 redundant Hot Standby safety CPU for the Schneider Electric Modicon M580 ePAC platform. It runs an ARM dual-core processor at 600 MHz. It carries SIL3 / IEC 61508 safety integrity. The module uses a redundant Hot Standby (HSBY) architecture for high availability. It fits two slots in an X80 Ethernet backplane. Program with EcoStruxure Machine Expert (Unity Pro XL). This CPU suits safety-critical process and hybrid control systems.

Processor and Memory Architecture

• Processor: ARM dual-core, redundant Hot Standby design
• Clock speed: 600 MHz
• Program memory: 64 MB integrated RAM
• Data memory: 1 MB
• Performance level: Level 6
• Safety integrity: SIL3 per IEC 61508
• Programming software: EcoStruxure Machine Expert (Unity Pro XL)

I/O and Rack Capacity

• Remote I/O racks: 31 racks (X80 and Quantum I/O)
• Distributed devices: 61 DIO devices
• Compatible racks: 4, 6, 8, 12 slots on X80 Ethernet backplane
• Slot occupation: 2 slots
• PROFIsafe devices: 128 over PROFINET

Communication Interfaces

• Service port: 1× Ethernet RJ45
• RIO/DIO ports: 2× Ethernet RJ45
• Local port: 1× USB Mini-B
• Protocols: Modbus TCP/IP, EtherNet/IP, PROFIsafe over PROFINET
• Expansion modules: BMENOC03xx, BMENOS0300, BMENOR2200, BMENUA0100

Electrical and Environmental Data

• Supply voltage: 24 V DC (19.2–31.2 V DC via backplane)
• Power consumption: 8.6 W
• Bus current: 360 mA @ 24 V DC
• Operating temperature: 0°C to +60°C
• Storage temperature: -25°C to +70°C
• Humidity: 5% to 95% non-condensing
• Protection: IP20
• Coating: Conformal coated for harsh environments

Physical and Lifecycle Details

• Dimensions (H×W×D): 100 × 56 × 93 mm
• Weight: 0.849 kg
• SD card: 4 GB optional (BMXRMS004GPF)
• Lifecycle: Active, introduced 2014, replaces Quantum and Premium
• Last verified: 2026-09

Suitable Equipment and Platforms

• Modicon M580 ePAC controllers with X80 Ethernet backplane
• Safety-critical process lines requiring SIL3 integrity
• Hot Standby redundant control architectures
• Quantum and Premium system upgrades
• Hybrid and discrete safety applications
• PROFIsafe over PROFINET networks

Oiltech Controls’s Insight

• The BMEH586040S pairs dual-core processing with certified SIL3 safety.
• Hot Standby redundancy cuts downtime in continuous processes.
• 31 RIO racks and 61 DIO devices give strong scalability.
• Conformal coating supports humid or contaminated plant floors.
• Two-slot footprint keeps cabinet space efficient.
• Active lifecycle means long-term spare parts availability.

Why Buy From Oiltech Controls?

• 15+ years sourcing industrial automation spare parts.
• Worldwide shipping through FedEx, UPS, and DHL.
• Tested surplus and refurbished options available.
• 12-month warranty on every module.
• Technical check before dispatch on all orders.
• Support for discontinued control systems.

Shipping, Warranty, and Contact

• Dispatch time: 24–28 hours after order confirmation.
• Couriers: FedEx, UPS, DHL.
• Warranty: 12 months against functional defects.
• Email: info@oiltechcontrols.com
• WhatsApp: +86 158 8020 0923

FAQ

Q1: Can the BMEH586040S work in a non-redundant setup?

Yes. You can run it as a standalone CPU. The Hot Standby function is optional. Many engineers use it for SIL3 duty without a second rack. This keeps spare parts simple.

Q2: What software version supports the BMEH586040S?

Use EcoStruxure Machine Expert or Unity Pro XL. Check the firmware compatibility list before flashing. Older project files may need conversion. Always back up the program first.

Q3: How do I replace a faulty BMEH586040S in a running plant?

In a Hot Standby pair, swap the standby unit first. Let it sync. Then switch over and replace the other. This keeps the process running. Follow your site safety rules.

Q4: Does the BMEH586040S support PROFIsafe directly?

Yes. It handles PROFIsafe over PROFINET for up to 128 devices. You need a suitable communication module and correct network design. Verify safety response times during commissioning.

Q5: What should I check before buying a used BMEH586040S?

Ask for firmware version, SD card status, and any fault history. Confirm the conformal coating is intact. Request a test report. Oiltech Controls verifies each module before shipment.

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