Product Introduction
When you need a compact yet powerful CPU for your automation system, the Siemens 6ES7312-5BE03-0AB0 delivers integrated I/O and high-speed counters in a single unit. This spare part from the SIMATIC S7-300 family features an MPI interface, a 24V DC integrated power supply, and 32 kbyte of working memory. It is designed for small to medium control applications where space and cost efficiency are critical.
Technical Specifications
| Parameter |
Value |
| Supply voltage (DC) |
24 V (20.4 to 28.8 V) |
| Current consumption (rated) |
500 mA |
| Power loss, typ. |
6 W |
| Work memory (integrated) |
32 kbyte |
| Digital inputs |
10 (8 usable for tech functions) |
| Digital outputs |
6 (2 high-speed) |
| CPU bit operation time, typ. |
0.2 µs |
| Floating point arithmetic, typ. |
6 µs |
| Interfaces |
1 RS 485 (MPI) |
| Dimensions (W x H x D) |
80 x 125 x 130 mm |
| Weight, approx. |
409 g |
Industry Applications
The Siemens 6ES7312-5BE03-0AB0 excels in applications requiring integrated count functions and compact footprints. Typical uses include packaging machinery, small conveyor systems, and material handling equipment. With two fast counters (10 kHz) and 10 digital inputs, it handles precise speed monitoring and position detection without extra modules. This reduces total system cost and simplifies wiring, delivering long-term ROI for machine builders.
Installation & Setup Guidance
- Mount the CPU on an S7-300 rack (max 1 rack, 8 modules per rack).
- Use a 40-pin front connector (1 x 40pin) for wiring.
- A micro memory card (MMC) is required for load memory; max capacity 4 Mbyte.
- For engineering, use STEP 7 V5.3 SP2 or higher with the appropriate HW update.
- Connect the 24V DC power supply via the integrated terminals.
Selection Guide & Purchasing Advice
Before ordering, verify that your existing system supports the Siemens 6ES7312-5BE03-0AB0. Ensure you have the required MMC and programming software. For a reliable supply of this spare part, visit PLC Source PRO at ubest101.myshopify.com. We stock genuine Siemens modules to keep your automation running.