Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CPU 315-2 DP |
| Supply voltage | 24 V DC rated; permissible range 19.2 V to 28.8 V DC |
| Work memory | 256 kbyte, not expandable |
| Interfaces | 2 integrated RS 485 interfaces: MPI and PROFIBUS DP |
| PROFIBUS DP master connections | 16 max. |
| PROFIBUS DP master transmission rate | 12 Mbit/s max. |
| PROFIBUS DP devices | 124 max. per station |
| Digital channels | 16 384 inputs and 16 384 outputs |
| Analog channels | 1 024 inputs and 1 024 outputs |
| Load memory | Plug-in MMC, 8 Mbyte max.; MMC required |
| Diagnostic buffer | 500 entries max.; 100 powerfail-proof entries |
Applications
- PROFIBUS DP master communication: Controls communication with PROFIBUS DP devices as a PROFIBUS DP master, with up to 124 DP devices per station.
- S7 communication: Provides S7 communication as a server and as a client via CP and loadable FB.
- Clock synchronization: Supports clock synchronization to MPI and PROFIBUS DP, including master and device functions stated for the interfaces.
- Program and data backup: Stores programs and data without a battery using the MMC backup function.
Key Features
- Central processing unit: CPU 315-2 DP with isochronous mode and integrated 256 kbyte work memory; the work memory is not expandable.
- MPI and PROFIBUS DP interfaces: Two integrated RS 485 interfaces support MPI and PROFIBUS DP master/device communication; the PROFIBUS DP master supports up to 12 Mbit/s and 16 connections.
- 24 V DC supply: Rated supply voltage: 24 V DC, with a permissible range of 19.2 V to 28.8 V DC.
- Micro Memory Card required: Plug-in MMC load memory is supported up to 8 Mbyte; the Micro Memory Card is required.
- Conformal coating: SIPLUS version with conformal coating and the collected temperature range -25…+70 °C.
- Diagnostic buffer: Diagnostic buffer present with up to 500 entries; the last 100 entries are retained in the event of power failure.
Frequently Asked Questions
1. What type of CPU is Siemens 6AG1315-2AH14-7AB0?
It is a SIPLUS S7-300 CPU 315-2 DP central processing unit with 256 kbyte integrated work memory.
2. Which interfaces does the CPU have?
It has 2 integrated RS 485 interfaces for MPI and PROFIBUS DP master/device communication.
3. What supply voltage does this CPU require?
The rated supply voltage is 24 V DC, with a permissible range of 19.2 V to 28.8 V DC.
4. Is a Micro Memory Card included in the configuration?
The CPU requires a Micro Memory Card; plug-in MMC load memory is supported up to 8 Mbyte.
