Siemens 6ES7677-2AA40-0AA0 SIMATIC ET 200SP CPU Module

The Siemens 6ES7677-2AA40-0AA0 CPU 1515SP PC is the ET 200SP Open Controller module that provides PC‑based processing within the ET 200SP distributed I/O system. It pairs a dual‑core AMD G Series APU running at 1 GHz with 4 GB of RAM to handle PLC logic and local computing tasks, and it is listed under the Open Controller family as a CPU 1515SP PC. The unit is powered from a 24 V DC supply with an acceptable range of 19.2 to 28.8 V and includes reverse polarity protection, plus a power/voltage backup time of 5 ms to improve fault tolerance. Rail mounting on a DIN rail is supported, aligning with typical ET 200SP installations and allowing compact integration in automation cabinets. The hardware carries the article number 6ES7677-2AA40-0AA0 and is documented in system data for CPU 1515SP PC with the WES7 E 32‑bit/4 GB RAM configuration, confirming its Windows Embedded Standard 7 operating environment and memory footprint for local processing and interfacing with other ET 200SP modules.