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ABB SM811 Safety CPU Module

ABB SM811 Safety CPU Module

  • 1000 Sandėlyje
  • Manufacturer: ABB

  • Product No.: SM811

  • Condition: Sandėlyje

  • Product Type: Safety CPU Module

  • Product Origin: Sweden

  • Payment:T/T, Western Union

  • Weight: 250g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Aprašymas

Product Description

The SM811 by ABB is a high-performance safety CPU module engineered for System 800xA and AC 800M controllers. It provides intelligent supervision of the PM865 controller in SIL1–2 operations and forms a 1oo2 diverse architecture when paired with PM865 for SIL3 compliance. Its compact design and advanced features enable reliable operation in safety-critical industrial environments, supporting redundancy, hot-insert, and online upgrades with minimal downtime.

Technical Specifications

Attribute Specification
Processor MPC862P microprocessor, 96 MHz
Memory 32 MB RAM
Safety I/O 3 digital inputs, 2 digital outputs (safety-related only)
Synchronization Dedicated link for active/redundant module sync; supports hot-insert and online upgrades
Voltage Monitoring Over-voltage protection and internal voltage supervision
Communication RS-485, Modbus RTU
Power Supply 24 V DC ±10%
Power Consumption 5 W typical, 7 W maximum
Digital Input Response Time ≤10 ms
Isolation Voltage 1500 V AC (input to output)
Operating Temperature -25 °C to +70 °C
Storage Temperature -40 °C to +85 °C
Humidity 5%–95% non-condensing
Dimensions 110 × 75 × 35 mm
Weight 0.25 kg

Key Features

  • Supervises PM865 controllers in SIL1–2 safety operations.

  • Enables 1oo2 diverse architecture for SIL3 systems.

  • Supports hot-insert and online upgrades for uninterrupted operation.

  • Integrated voltage monitoring enhances system reliability.

  • Compact, low-power design suitable for dense control cabinets.

  • Safety-related digital I/O ensures fault-tolerant operation (not for process I/O).

Applications

The SM811 is ideal for industrial plants, process automation systems, and safety-critical applications requiring high-availability architectures, such as chemical processing, oil & gas, and power generation. It integrates seamlessly into System 800xA environments for enhanced safety supervision.

FAQ

Q: Can SM811 operate independently without PM865?
A: No, the SM811 is designed to supervise PM865 controllers and form SIL architectures; it does not perform standard process control alone.

Q: Does it support online firmware upgrades?
A: Yes, the module supports hot-insert and online firmware updates, minimizing downtime.

Q: What safety integrity levels are supported?
A: SIL1–2 for standalone supervision; SIL3 when paired in a 1oo2 diverse architecture with PM865.

Q: Are the I/O channels usable for process signals?
A: No, all digital inputs and outputs are strictly safety-related.

Savybės

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