Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CPU 1518-4 PN/DP |
| Program work memory | 6 Mbyte |
| Data work memory | 60 Mbyte |
| SIMATIC Memory Card | Required; 1 slot |
| PROFINET interfaces | 3 |
| PROFIBUS interfaces | 1 |
| PROFINET X1 | PROFINET IRT; 2-port switch |
| PROFINET X2 | PROFINET RT; 1 port |
| Ethernet X3 | 1 port; 1000 Mbps possible |
| PROFIBUS DP master | 1 integrated; 48 connections max. |
| Rated supply voltage | 24 V DC |
| Bit-operation processing time | 1 ns, typ. |
Applications
- Central processing: Executes the user program as a SIMATIC S7-1500 central processing unit.
- Distributed I/O communication: Communicates with distributed I/O through PROFINET IO Controller, PROFINET IO Device, and PROFIBUS DP master functions.
- Motion control: Supports Motion Control technology objects, including speed-controlled, positioning, and synchronous axes.
- Industrial data communication: Supports SIMATIC communication, Open IE communication, OPC UA, and MODBUS TCP.
Key Features
- CPU 1518-4 PN/DP: Central processing unit for SIMATIC S7-1500 with 1 ns typical bit-operation processing time.
- Program and data work memory: Integrated work memory provides 6 Mbyte for programs and 60 Mbyte for data.
- PROFINET interfaces: 3 PROFINET interfaces are provided: X1 with a 2-port switch and PROFINET IRT, X2 with PROFINET RT, and X3 with Ethernet.
- PROFIBUS interface: 1 integrated PROFIBUS interface with RS 485 and PROFIBUS DP master function.
- Supply and installation: Rated supply voltage is 24 V DC; dimensions are 175 mm × 147 mm × 129 mm and weight is approximately 1 988 g.
- Diagnostics and memory card: The CPU has a diagnostic buffer with up to 3 200 entries and requires 1 SIMATIC Memory Card.
Frequently Asked Questions
1. What memory does the Siemens 6ES7518-4AP00-0AB0 provide?
It has 6 Mbyte integrated work memory for programs and 60 Mbyte integrated work memory for data. Plug-in load memory uses a SIMATIC Memory Card, with 32 Gbyte maximum.
2. Which communication interfaces are integrated?
The CPU has 3 PROFINET interfaces and 1 PROFIBUS interface. X1 provides PROFINET IRT with a 2-port switch, X2 provides PROFINET RT, X3 provides Ethernet, and X4 provides RS 485 for PROFIBUS.
3. What should be verified before requesting a quote?
Verify the required PROFINET or PROFIBUS functions, the SIMATIC Memory Card requirement, the 24 V DC supply, and the installation dimensions of 175 mm × 147 mm × 129 mm.
