Product Description
Key Features
- Exact controller identity: SIMATIC S7-300 CPU 312 central processing unit, order number 6ES7312-1AE14-0AB0.
- Supply and MPI interface: Integrated 24 V DC power supply and 1 integrated RS 485 interface for MPI; maximum transmission rate is 187.5 kbit/s.
- Memory configuration: 32 kbyte integrated work memory with no expansion; plug-in MMC load memory is supported up to 8 Mbyte and a Micro Memory Card is required.
- Firmware and programming: Firmware version V3.3; programming package support includes STEP 7 V5.5 + SP1 or higher, or STEP 7 V5.2 + SP1 or higher with HSP 218.
- Lifecycle and physical variant: Product cancellation. Dimensions are 40 mm wide, 125 mm high, and 130 mm deep; approximate weight is 270 g.
Technical Summary
| Product type | CPU 312 |
|---|---|
| Supply voltage, rated value (DC) | 24 V |
| Permissible supply voltage range (DC) | 19.2 V to 28.8 V |
| Integrated work memory | 32 kbyte |
| Plug-in load memory (MMC), max. | 8 Mbyte |
| Firmware version | V3.3 |
| MPI interface | 1 integrated RS 485 interface |
| MPI transmission rate, max. | 187.5 kbit/s |
| Digital inputs / outputs | 0 / 0 |
| Ambient temperature during operation | 0 °C to 60 °C |
| Product lifecycle | Product cancellation |
Frequently Asked Questions
What exact Siemens order number should be confirmed for this CPU?
Confirm order number 6ES7312-1AE14-0AB0 and product type CPU 312.
What supply voltage and interface configuration does this CPU have?
It has an integrated 24 V DC power supply and 1 integrated RS 485 interface for MPI, with a maximum transmission rate of 187.5 kbit/s.
What memory configuration should be checked?
It has 32 kbyte of integrated work memory with no expansion, supports plug-in MMC load memory up to 8 Mbyte, and requires a Micro Memory Card.
What lifecycle information is supplied for the requested configuration?
The supplied lifecycle status is Product cancellation.
