Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CPU 1518-4 PN/DP MFP |
| PROFINET interfaces | 3 |
| PROFIBUS interface | 1 |
| Rated supply voltage | 24 V DC |
| Program work memory | 6 MB |
| Data work memory | 60 MB |
| PROFINET IO devices, max. | 512 |
| PROFIBUS DP devices, max. | 125 |
| OPC UA sessions, max. | 64 |
Applications
- Motion Control: Supports Motion Control technology objects with 15 360 available Motion Control resources.
- PID control: Supports PID_Compact, PID_3Step, and PID-Temp controllers with integrated optimization.
Key Features
- CPU and runtime bundle: Includes CPU 1518-4 PN/DP MFP, C/C++ Runtime license, and OPC UA Runtime license.
- Network interfaces: Provides 3 PROFINET interfaces and 1 PROFIBUS interface; X1 has a 2-port integrated switch.
- Memory: Has 6 MB work memory for the program, 60 MB for data, and 1 024 Mbyte for a C/C++ Runtime application.
- Electrical supply: Rated supply is 24 V DC, with a permissible range of 19.2 V to 28.8 V and reverse polarity protection.
- Communication functions: Supports PROFINET IO Controller, PROFINET IO device, PROFIBUS DP master, MODBUS TCP, OPC UA, and Open IE communication.
- Installation and dimensions: Dimensions are 175 mm × 147 mm × 129 mm; operating ambient temperature is 0 °C to 60 °C for horizontal installation and 0 °C to 40 °C for vertical installation.
Frequently Asked Questions
1. What interfaces does Siemens 6ES7518-4AX00-1AC0 provide?
It has 3 PROFINET interfaces and 1 PROFIBUS interface. X1 provides a 2-port integrated switch; X2 and X3 each provide 1 RJ 45 port, and X4 provides 1 RS 485 port.
2. What supply voltage does the CPU Bundle require?
The rated supply is 24 V DC, with a permissible range of 19.2 V to 28.8 V.
3. How much memory does the CPU Bundle have?
It has 6 MB work memory for the program and 60 MB for data. A SIMATIC Memory Card with at least 2 GB of space is required.
4. How many PROFINET IO devices can be connected?
The X1 interface supports up to 512 connectable IO Devices, while X2 supports up to 128. In total, up to 1 000 distributed I/O devices can be connected via AS-i, PROFIBUS, or PROFINET.
