Key Features
- Compact CPU with MPI: SIMATIC S7-300 CPU 312C with an integrated RS 485 interface for MPI communication.
- Integrated I/O and counters: 10 digital inputs, 6 digital outputs, and 2 high-speed counters (10 kHz).
- Memory and backup: Work memory: 64 KB. Load memory: plug-in (MMC), max. 8 Mbyte. Backup is guaranteed by MMC.
- 24 V DC supply: Rated value (DC): 24 V. Permissible range: 19.2 V to 28.8 V.
- Engineering software: Programming package: STEP 7 V5.5 + SP1 or higher or STEP 7 V5.3 + SP2 or higher with HSP 203.
Applications
- MPI communication with programming and operator devices: Connection for PG/OP communication over MPI.
- Local control using integrated digital I/O: Handling 10 digital inputs and 6 digital outputs in a compact CPU.
- Counting tasks using integrated high-speed counters: Counting and frequency measurement with 2 high-speed counters up to 10 kHz.
Technical Summary
| Product type designation | CPU 312C |
|---|---|
| Firmware version | V3.3 |
| Programming package | STEP 7 V5.5 + SP1 or higher or STEP 7 V5.3 + SP2 or higher with HSP 203 |
| Rated value (DC) | 24 V |
| Permissible range, lower limit (DC) | 19.2 V |
| Permissible range, upper limit (DC) | 28.8 V |
| Work memory | 64 kbyte |
| Load memory, Plug-in (MMC), max. | 8 Mbyte |
| Number of digital inputs | 10 |
| Number of digital outputs | 6 |
| Number of high-speed counters | 2; 10 kHz |
| Interface type | Integrated RS 485 interface |
| Protocols, MPI | Yes |
| Transmission rate, max. | 187.5 kbit/s |
Frequently Asked Questions
What is the exact product type of Siemens 6ES7312-5BF04-0AB0?
It is a CPU 312C for SIMATIC S7-300.
How many digital inputs and outputs does 6ES7312-5BF04-0AB0 have?
It has 10 digital inputs and 6 digital outputs.
What counter function is built into the CPU 312C?
It includes 2 high-speed counters with a counting frequency of 10 kHz.
What interface is supplied for communication?
It has 1 integrated RS 485 interface for MPI.
What power supply and programming package should be checked before selection?
Rated supply is 24 V DC, and the programming package is STEP 7 V5.5 + SP1 or higher or STEP 7 V5.3 + SP2 or higher with HSP 203.