Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CPU 312 |
| Supply voltage | 24 V DC; permissible range 19.2 V to 28.8 V |
| Work memory | 32 kbyte, not expandable |
| Load memory | Plug-in MMC, maximum 8 Mbyte; Micro Memory Card required |
| Interface | 1 integrated RS 485 interface; MPI |
| MPI transmission rate | Maximum 187.5 kbit/s |
| Diagnostic buffer | Maximum 500 entries |
Applications
- MPI communication: Supports MPI communication through the integrated RS 485 interface.
- S7 communication: Supports S7 communication as a server and as a client via CP and loadable FB.
- Process diagnostics: Supports process diagnostic messages and a diagnostic buffer.
Key Features
- CPU 312 central processing unit: Product type designation: CPU 312 for the SIMATIC S7-300 system.
- MPI interface: 1 integrated RS 485 interface with MPI; maximum transmission rate: 187.5 kbit/s.
- 24 V DC supply: Rated supply voltage: 24 V; permissible range: 19.2 V to 28.8 V.
- Memory: Integrated work memory: 32 kbyte, not expandable. Plug-in MMC load memory is supported up to 8 Mbyte; a Micro Memory Card is required.
- Communication services: Supports PG/OP communication, global data communication, S7 basic communication, and S7 communication as server.
- Diagnostics and protection: Provides a diagnostic buffer with up to 500 entries, process diagnostic messages, forcing, and user program/password protection.
Frequently Asked Questions
1. What type of unit is Siemens 6ES7312-1AE14-0AB0?
It is a SIMATIC S7-300 CPU 312 central processing unit.
2. What supply voltage does the CPU 312 use?
The rated supply voltage is 24 V DC, with a permissible range of 19.2 V to 28.8 V.
3. Which interface and protocol are provided?
It has 1 integrated RS 485 interface with MPI and a maximum transmission rate of 187.5 kbit/s.
4. What memory is available?
It has 32 kbyte of integrated, non-expandable work memory. Plug-in MMC load memory is supported up to 8 Mbyte, and a Micro Memory Card is required.
