Tutto sui PLC: la CPU
A practical engineering guide to PLC CPU operation, from deterministic scan cycles and I/O image tables to memory, communications, diagnostics, redundancy, processor sizing, and reliable system...
The SM811K01 is a high-integrity processing component designed to execute functional safety applications within specialized distributed control frameworks. Operating as a dedicated safety CPU module, this device provides diverse logical execution paths and extensive internal hardware diagnostics to protect complex industrial processes from critical failure states.
This unit is certified for use in safety loops up to SIL3 (Safety Integrity Level 3) according to IEC 61508, enforcing strict adherence to emergency shutdown logic and burner control parameters. To maintain standard system validation, the module must be configured in strict accordance with the official Safety Manual. The hardware package is delivered as a complete execution kit containing the SM811 processing module, a TP868 horizontal termination baseplate, and a TK852V10 high-speed synchronization link cable to handle real-time mirror processing vectors.
Regulatory Note: This specific hardware design is not RoHS 2 (2011/65/EU) compliant. It serves exclusively as an original spare part for legacy infrastructures placed on the market prior to July 22, 2017, and is intended solely for repair, functional updating, or capacity maintenance loops. For new greenfield installations, the RoHS-compliant SM812K01 sub-assembly must be specified instead.
The processing architecture limits direct physical and software coupling to the following approved system combinations:
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model Designation | SM811K01 |
| Product ID Code | 3BSE018173R1 |
| Core Module Type | SM811 |
| Product Family | AC 800M High Integrity |
| Device Classification | Safety CPU module |
| Product Net Depth / Length | 127.5 mm |
| Product Net Height | 185 mm |
| Product Net Width | 59 mm |
| Product Net Weight | 0.6 kg |
| Country of Origin | Sweden (SE) |
| Customs Tariff Code Number | 85371091 |
| Number of Batteries Included | 0 |
| Part Type Status Classification | Spare Part (For systems marketed before July 22, 2017) |
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Returns & Warranty



The SM811K01 is a high-integrity processing component designed to execute functional safety applications within specialized distributed control frameworks. Operating as a dedicated safety CPU module, this device provides diverse logical execution paths and extensive internal hardware diagnostics to protect complex industrial processes from critical failure states.
This unit is certified for use in safety loops up to SIL3 (Safety Integrity Level 3) according to IEC 61508, enforcing strict adherence to emergency shutdown logic and burner control parameters. To maintain standard system validation, the module must be configured in strict accordance with the official Safety Manual. The hardware package is delivered as a complete execution kit containing the SM811 processing module, a TP868 horizontal termination baseplate, and a TK852V10 high-speed synchronization link cable to handle real-time mirror processing vectors.
Regulatory Note: This specific hardware design is not RoHS 2 (2011/65/EU) compliant. It serves exclusively as an original spare part for legacy infrastructures placed on the market prior to July 22, 2017, and is intended solely for repair, functional updating, or capacity maintenance loops. For new greenfield installations, the RoHS-compliant SM812K01 sub-assembly must be specified instead.
The processing architecture limits direct physical and software coupling to the following approved system combinations:
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model Designation | SM811K01 |
| Product ID Code | 3BSE018173R1 |
| Core Module Type | SM811 |
| Product Family | AC 800M High Integrity |
| Device Classification | Safety CPU module |
| Product Net Depth / Length | 127.5 mm |
| Product Net Height | 185 mm |
| Product Net Width | 59 mm |
| Product Net Weight | 0.6 kg |
| Country of Origin | Sweden (SE) |
| Customs Tariff Code Number | 85371091 |
| Number of Batteries Included | 0 |
| Part Type Status Classification | Spare Part (For systems marketed before July 22, 2017) |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Color pattern |
Greyish White
|
| Country of origin |
Switzerland
|
| Power source |
DC Power
|