ABB SM811 Safety CPU Module
$258.00
$520.00
Description
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.
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Integrated voltage monitoring enhances system reliability.
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Compact, low-power design suitable for dense control cabinets.
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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.
Features
Minimalna količina porudžbine (MOQ)
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Sertifikati i dokumentacija
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Vreme isporuke
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Metode plaćanja
Prihvatamo 100% T/T (telegrafski transfer) plaćanje pre slanja. Za artikle sa vremenom isporuke, zahteva se avans od 30%, dok se preostalih 70% plaća pre slanja. Za RMB transfere, molimo kontaktirajte nas ako imate agenta u Kini.
Garancija
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