Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CPU 314 central processing unit |
| Firmware version | V3.3 |
| Supply voltage | 24 V DC rated; 19.2 V to 28.8 V DC permissible range |
| Integrated work memory | 128 kbyte |
| Load memory | Plug-in MMC, maximum 8 Mbyte; Micro Memory Card required |
| MPI interface | 1 integrated RS 485 interface; up to 187.5 kbit/s |
| Digital inputs | 0 |
| Digital outputs | 0 |
| Analog inputs | 0 |
| Diagnostic buffer | 500 entries maximum |
| Operating temperature | 0 °C to 60 °C |
Applications
- S7 program execution: Executes S7 programs using supported programming languages including LAD, FBD, STL, SCL, CFC, GRAPH, and HiGraph®.
- MPI communication: Provides MPI communication through the integrated RS 485 interface, including PG/OP communication and S7 communication.
- Diagnostic processing: Processes diagnostic messages and stores entries in the integrated diagnostic buffer.
Key Features
- CPU 314 processing unit: SIMATIC S7-300 central processing unit with HW functional status 01 and firmware version V3.3.
- Supply and current: Rated supply voltage: 24 V DC; permissible range: 19.2 V to 28.8 V DC. Rated current consumption: 650 mA.
- Memory: Integrated work memory: 128 kbyte, not expandable. Plug-in MMC load memory is supported up to 8 Mbyte and is required.
- MPI interface: 1 integrated, non-isolated RS 485 interface for MPI, with transmission rate up to 187.5 kbit/s and interface output current up to 200 mA.
- Diagnostics and programming: Diagnostic buffer with up to 500 entries, process diagnostic messages, status/control functions, forcing, and support for LAD, FBD, STL, SCL, CFC, GRAPH, and HiGraph®.
- Installation dimensions: Dimensions: 40 mm width, 125 mm height, and 130 mm depth. Approximate weight: 280 g.
Frequently Asked Questions
1. What is the function of Siemens 6ES7314-1AG14-0AB0?
It is a SIMATIC S7-300 CPU 314 central processing unit with an integrated MPI interface and 24 V DC power supply.
2. How much work memory does CPU 314 provide?
It has 128 kbyte of integrated work memory, which is not expandable.
3. What load memory does this CPU use?
It uses plug-in MMC load memory up to 8 Mbyte, and a Micro Memory Card is required.
4. Which interface and communication rate are provided?
The CPU has 1 integrated, non-isolated RS 485 interface for MPI, with a maximum transmission rate of 187.5 kbit/s.
5. What should be verified before requesting a quote?
Verify the exact order number, required Micro Memory Card, 24 V DC supply range, MPI communication requirements, and installation dimensions.
