Key Features
- CPU 314 central processing unit: SIMATIC S7-300 CPU 314 for control tasks in the SIMATIC PLC & I/O range.
- Integrated MPI interface: Supplied with MPI and an integrated RS 485 interface; maximum transmission rate: 187.5 kbit/s.
- Integrated power supply: Integrated power supply 24 V DC with permissible range 19.2 V to 28.8 V.
- 128 KB work memory: Work memory: 128 KB; expandable: No.
- Micro Memory Card required: Load memory uses a plug-in (MMC); plug-in (MMC), max.: 8 Mbyte.
- Product cancellation lifecycle: Product cancellation lifecycle status.
Applications
- PLC program execution: Central processing unit for SIMATIC S7-300 control programs.
- MPI communication: Communication over the integrated MPI interface.
Technical Summary
| Product type designation | CPU 314 |
|---|---|
| Firmware version | V3.3 |
| Programming package | STEP 7 V5.5 + SP1 or higher or STEP 7 V5.2 + SP1 or higher with HSP 218 |
| Rated value (DC) | 24 V |
| Permissible range, lower limit (DC) | 19.2 V |
| Permissible range, upper limit (DC) | 28.8 V |
| Work memory, integrated | 128 kbyte |
| Load memory, plug-in (MMC) | Yes |
| Load memory, plug-in (MMC), max. | 8 Mbyte |
| CPU processing times, for bit operations, typ. | 0.06 μs |
| CPU processing times, for word operations, typ. | 0.12 μs |
| Interfaces, Number of RS 485 interfaces | 1; MPI |
| Interfaces, Interface type | Integrated RS 485 interface |
| MPI transmission rate, max. | 187.5 kbit/s |
| Number of connections, overall | 12 |
| Ambient temperature during operation, min. | 0 °C |
| Ambient temperature during operation, max. | 60 °C |
Frequently Asked Questions
What is Siemens 6ES7314-1AG14-0AB0?
It is a SIMATIC S7-300 CPU 314 central processing unit.
Which interface does this CPU provide?
It provides 1 integrated RS 485 interface for MPI.
What is the power supply requirement for this model?
Rated value (DC): 24 V, with a permissible range of 19.2 V to 28.8 V.
Does this CPU use a memory card?
Yes. Load memory is plug-in (MMC), and the maximum plug-in (MMC) size is 8 Mbyte.
Which engineering software is supported?
STEP 7 V5.5 + SP1 or higher or STEP 7 V5.2 + SP1 or higher with HSP 218.
