Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CPU 315-2 DP |
| Supply voltage | 24 V DC; permissible range 19.2 V to 28.8 V |
| Work memory | 256 kbyte; not expandable |
| Load memory | Plug-in MMC, max. 8 Mbyte; MMC required |
| RS 485 interfaces | 2; MPI and PROFIBUS DP |
| PROFIBUS DP transmission rate | Max. 12 Mbit/s |
| MPI transmission rate | Max. 187.5 kbit/s |
| Diagnostic buffer | 500 entries max.; 100 powerfail-proof entries |
| Operating temperature | 0 °C to 60 °C |
Applications
- Central processing: Executes CPU processing and supports bit, word, fixed-point, and floating-point operations.
- MPI communication: Supports PG/OP communication, routing, global data communication, S7 basic communication, and S7 communication via the integrated MPI interface.
- PROFIBUS DP communication: Supports PROFIBUS DP master and device functions, with direct data exchange, SYNC/FREEZE, DPV1, and DP device activation or deactivation.
- Program diagnostics and commissioning: Provides process diagnostic messages, diagnostic-buffer entries, status/control functions, forcing, single-step operation, and breakpoints.
Key Features
- CPU 315-2 DP: SIMATIC S7-300 central processing unit with integrated 256 kbyte work memory and firmware version V3.3.
- 24 V DC supply: Rated supply voltage is 24 V DC, with a permissible range from 19.2 V to 28.8 V.
- MPI and PROFIBUS DP interfaces: The unit has 2 integrated RS 485 interfaces for MPI and PROFIBUS DP; PROFIBUS DP transmission reaches 12 Mbit/s.
- MMC load memory: Plug-in MMC load memory is supported up to 8 Mbyte; a Micro Memory Card is required.
- Diagnostics and commissioning: The CPU has a diagnostic buffer with up to 500 entries, process diagnostic messages, status/control functions, single-step operation, and 4 breakpoints.
- Compact dimensions: Dimensions are 40 mm wide, 125 mm high, and 130 mm deep; approximate weight is 290 g.
Frequently Asked Questions
1. What is the function of Siemens 6ES7315-2AH14-0AB0?
It is a SIMATIC S7-300 CPU 315-2 DP central processing unit with integrated 256 kbyte work memory.
2. Which interfaces does the 6ES7315-2AH14-0AB0 provide?
It provides 2 integrated RS 485 interfaces for MPI and PROFIBUS DP. PROFIBUS DP transmission reaches 12 Mbit/s, while MPI reaches 187.5 kbit/s.
3. Is a Micro Memory Card included with this configuration?
It is not included; a Micro Memory Card is required for the plug-in MMC load memory.
