The Siemens SIMATIC S7-300 CPU 312, identified by the order number 6ES7312-5AC01-0AB0, is a compact yet powerful controller engineered for mid-range industrial automation applications. This CPU delivers exceptional processing speed and memory capacity, making it suitable for sectors like chemical processing, electronics manufacturing, and general machinery control. Its integrated MPI and PROFIBUS DP interfaces allow for reliable networking with other PROFIBUS devices, while the support for external MMC storage ensures flexible program and data management. With a focus on precision and reliability, the CPU 312 is designed to handle both simple logic and complex mathematical operations with ease, backed by a wide range of organization blocks for structured program execution.
| Specification |
Details |
| Product Model |
6ES7312-5AC01-0AB0 |
| Product Series |
SIMATIC S7-300 |
| CPU Type |
CPU 312 |
| Application Areas |
Chemical, Electronics, Electrical, and general industrial automation for medium-scale tasks |
| Integrated Interfaces |
MPI and PROFIBUS DP |
| Power Supply |
24 V DC (universal, with external surge protection recommended) |
| Storage Media |
Requires MultiMediaCard (MMC) or CompactFlash card |
| Working Memory |
32 KB |
| Load Memory (Max) |
Dependent on MMC/CompactFlash capacity |
| Retentive Memory |
32 KB |
| Supported Software |
STEP 7 V5.5 + SP1 or higher |
| Bit Operation Time |
Approx. 0.1 µs |
| Word Operation Time |
Approx. 0.24 µs |
| Fixed-Point Arithmetic Time |
Approx. 0.32 µs |
| Floating-Point Arithmetic Time |
Approx. 1.1 µs |
| Max. Data Blocks (DBs) |
1024 |
| Max. Function Blocks (FBs) / Functions (FCs) |
1024 each (max. 32 KB per block) |
| Organization Blocks (OBs) |
OB1, OB10-OB17, OB30-OB38, OB80-OB87, and others |
| S7 Counters |
Unlimited (RAM-dependent, retentive) |
| S7 Timers |
Unlimited (RAM-dependent, retentive) |
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22