The SIEMENS SIMATIC S7-300 CPU 314C-2 (6ES7314-6BH04-0AB0) is a versatile and powerful CPU module designed for mid-to-high-end automation systems. It combines a fast processing unit with integrated communication interfaces, making it an excellent choice for applications requiring real-time control, data exchange, and complex logic. Whether used in chemical, electronics, or process control industries, this CPU delivers reliable performance with a focus on scalability and ease of integration. Its dual-port communication capabilities—featuring both MPI and PROFIBUS DP—allow for efficient networking with distributed I/O and other controllers, while the built-in load memory and optional external storage ensure ample space for extensive programs and data blocks.
| Attribute |
Specification |
| Product Type |
SIMATIC S7-300 CPU 314C-2 |
| Order Number (MLFB) |
6ES7314-6BH04-0AB0 |
| Power Supply Voltage |
24 V DC (20.4 V to 28.8 V) |
| Integrated Interfaces |
MPI (Multi-Point Interface) + PROFIBUS DP Master/Slave |
| Working Memory |
256 KB (for program and data) |
| Load Memory |
Up to 8 MB (with optional MMC/CF card) |
| Retentive Memory |
Yes, configurable for data blocks and timers |
| Programming Software |
STEP 7 V5.5 + Service Pack (or higher) |
| Bit Operation Time |
0.1 µs (typical) |
| Word Operation Time |
0.2 µs (typical) |
| Fixed-Point Arithmetic Time |
0.2 µs (typical) |
| Floating-Point Arithmetic Time |
0.6 µs (typical) |
| Max. Number of Data Blocks (DBs) |
Up to 1024 (limited by memory) |
| Max. Number of Function Blocks (FBs) / Functions (FCs) |
Up to 2048 (each, limited by memory) |
| Organization Blocks (OBs) Supported |
Startup, cyclic, time-of-day, hardware interrupt, diagnostic, error handling, etc. |
| S7 Counters |
Unlimited (limited by RAM), retentive available |
| S7 Timers |
Unlimited (limited by RAM), retentive available |
| PROFIBUS DP Data Rate |
Up to 12 Mbps |
| MPI Data Rate |
187.5 kbps (default) |
| Operating Temperature |
0 °C to +60 °C (horizontal installation) |
| Storage Temperature |
-40 °C to +70 °C |
| Protection Class |
IP20 |
| Dimensions (W x H x D) |
80 mm x 125 mm x 130 mm |
| Weight |
Approx. 290 g |
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