The SIEMENS SIMATIC S7-300 CPU 313C-2 PTP (6ES7313-6BF03-0AB0) is a compact, high-performance CPU designed for demanding point-to-point communication tasks in automated manufacturing and process control. As part of the proven S7-300 family, this CPU integrates 16 digital inputs, 16 digital outputs, and 3 fast counters (30 kHz) directly on the module, eliminating the need for separate I/O modules in many applications. The integrated RS485 (PTP) interface enables reliable serial data exchange with external devices such as drives, printers, and barcode scanners, while the MPI port provides seamless connectivity to programming devices and other SIMATIC controllers. With 64 KB of working memory and support for Micro Memory Cards (MMC), this CPU offers ample capacity for medium-sized automation projects. Its robust 24 V DC power supply (19.2–28.8 V range) ensures stable operation in harsh industrial environments. Backed by Siemens’ reputation for quality and longevity, the CPU 313C-2 PTP is an ideal choice for applications requiring compact design, integrated I/O, and flexible serial communication.
| Parameter |
Specification |
| Product Type |
SIMATIC S7-300 CPU |
| Model |
CPU 313C-2 PTP Compact |
| Order Number |
6ES7313-6BF03-0AB0 |
| Working Memory |
64 KB |
| Load Memory |
Micro Memory Card (MMC) – required (not included) |
| Retentive Memory |
Yes – configurable via MMC and hardware settings |
| Digital Inputs (DI) |
16 – 24 V DC, sink/source, 3 ms input delay |
| Digital Outputs (DO) |
16 – 24 V DC, 0.5 A per channel, short-circuit protected |
| Fast Counters |
3 – 30 kHz each, retentive, configurable as up/down counters |
| Integrated Interfaces |
MPI (PROFIBUS DP capable), RS485 (PTP) |
| Power Supply |
24 V DC (19.2–28.8 V) |
| Power Consumption |
Typical 8 W, max 12 W |
| Programming Software |
STEP 7 V5.5 + SP1 or higher (with appropriate HSP) |
| Program Blocks (Max) |
DB: dependent on memory; FB/FC: dependent on memory; OB: standard set (OB1, OB10, OB35, etc.) |
| S7 Timers |
Unlimited (limited by RAM), retentive |
| S7 Counters |
Unlimited (limited by RAM), plus 3 hardware fast counters |
| Operating Temperature |
0 °C to +60 °C (horizontal installation); 0 °C to +40 °C (vertical) |
| Dimensions (W x H x D) |
40 x 125 x 130 mm |
| Weight |
Approx. 290 g |
| Protection Class |
IP20 |
| Certifications |
CE, UL, cULus, FM, ATEX (Zone 2) |
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