Product Overview
Technical Summary
| Product type | CPU 312 |
|---|---|
| Supply voltage | 24 V DC rated; permissible range 19.2 V to 28.8 V DC |
| Work memory | 32 kbyte integrated; not expandable |
| Load memory | Plug-in MMC supported; maximum 8 Mbyte |
| Interface | 1 integrated RS 485 interface; MPI |
| MPI transmission rate | 187.5 kbit/s maximum |
| Digital channels | 256 inputs and 256 outputs |
| Firmware version | V3.3 |
Key Features
- Product designation: CPU 312 for the SIMATIC S7-300 family.
- Supply and memory: Rated supply voltage: 24 V DC. Integrated work memory: 32 kbyte; not expandable. Plug-in load memory via MMC is supported up to 8 Mbyte.
- MPI interface: 1 integrated RS 485 interface for MPI, with a maximum transmission rate of 187.5 kbit/s.
- Communication services: Supports PG/OP communication, global data communication, S7 basic communication, and S7 communication as a server.
- Processing performance: Typical processing times are 0.1 μs for bit operations, 0.24 μs for word operations, 0.32 μs for fixed point arithmetic, and 1.1 μs for floating point arithmetic.
- Mechanical data: Dimensions: 40 mm width, 125 mm height, and 130 mm depth. Approximate weight: 270 g.
Applications
- Programming: Programming with STEP 7 is supported.
- PG/OP communication: PG/OP communication is supported through the MPI interface.
- Process diagnostics: Process diagnostic messages and a diagnostic buffer with up to 500 entries are supported.
Frequently Asked Questions
Which specifications identify Siemens 6ES7312-1AE14-0AB0?
It identifies a SIMATIC S7-300 CPU 312 with an integrated 24 V DC supply, 32 kbyte integrated work memory, required MMC, and 1 integrated RS 485 MPI interface.
What should be checked when verifying this exact MLFB?
Check the complete code 6ES7312-1AE14-0AB0, the CPU 312 designation, firmware version V3.3, 24 V DC supply, MPI interface, and 32 kbyte work memory.
Does this configuration include integrated digital I/O?
It has 0 digital inputs and 0 digital outputs.
What quantity and destination are needed for a quotation?
Provide the required quantity and delivery destination together with the complete order number 6ES7312-1AE14-0AB0.
