

The Siemens SIMATIC S7-300 CPU 312C, order number 6ES7312-5BD01-0AB0, is a compact yet powerful controller engineered for mid-range automation systems. This CPU integrates digital I/O and high-speed counters directly on the module, eliminating the need for separate expansion modules in many applications. With its robust memory architecture and swift processing speeds, the CPU 312C excels in applications requiring fast logic execution and precise counting, such as packaging, material handling, and simple motion control. It is fully compatible with the STEP 7 programming environment, ensuring seamless integration into existing S7-300 installations.
| Parameter | Specification |
|---|---|
| Product Model | 6ES7312-5BD01-0AB0 |
| Product Series | SIMATIC S7-300 |
| CPU Type | CPU 312C COMPACT |
| Application Areas | Chemical, Electronics, Electrical, and other industrial automation fields |
| Integrated Interfaces | MPI interface for communication |
| Digital Inputs (DI) | 10 |
| Digital Outputs (DO) | 6 |
| High-Speed Counters | 2, up to 10 KHz |
| Power Supply | Integrated 24V DC (19.2V to 28.8V) |
| Power Protection | External protection recommended |
| Working Memory | 16 KByte |
| Load Memory | Requires Micro Memory Card (MMC), max. 8 MByte |
| Retentive Memory | 32 KByte |
| Supported Software | STEP 7 V5.5 + SP1 or higher, or V5.2 + SP1 or higher (with HSP 218) |
| Bit Operation Time | 0.1 µs |
| Word Operation Time | 0.24 µs |
| Fixed-Point Arithmetic Time | 0.32 µs |
| Floating-Point Arithmetic Time | 1.1 µs |
| Max. Data Blocks (DBs) | 1024 |
| Max. Function Blocks (FBs) / Functions (FCs) | 1024 each, max. 32 KByte per block |
| Organization Blocks (OBs) | Comprehensive set: OB1, OB10, OB20/21, OB32/33/34/35, OB40, OB100, OB80/82/85/87, OB121/122 |
| S7 Counters | Unlimited (limited by RAM), retentive |
| S7 Timers | Unlimited (limited by RAM), 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