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The Siemens 6ES5535-3LB12 is a Communications Processor (CP 535) designed for the SIMATIC S5 programmable logic controller system. This module facilitates data exchange and communication management within the S5 automation environment. Please note that this product was officially discontinued by the manufacturer as of October 1, 2002, and is primarily utilized for legacy system maintenance and spare part replacement.
The CP 535 is typically deployed in legacy industrial automation systems where SIMATIC S5 controllers are still in operation. It is used to manage communication tasks between the PLC and other networked devices or fieldbus components.
| Manufacturer | Siemens |
| Model Number | 6ES5535-3LB12 |
| Product Type | Communications Processor (CP 535) |
| Operating Voltage | 15V |
| Status | Discontinued (Effective 01.10.2002) |
| Tariff Code | 8537109060 |
No, this module was discontinued by Siemens on October 1, 2002. Units currently available are typically refurbished, surplus, or new-old-stock.
The CP 535 is specifically designed for the Siemens SIMATIC S5 series PLC architecture.

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