Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CPU 1516-3 PN/DP |
| Program work memory | 2 Mbyte |
| Data work memory | 7.5 Mbyte |
| Supply voltage | 24 V DC; permissible range 19.2 V to 28.8 V DC |
| PROFINET interfaces | 2 |
| PROFIBUS interfaces | 1 |
| PROFINET ports | 2 on the first interface; 1 on the second interface |
| PROFIBUS transmission rate | 12 Mbit/s maximum |
| Bit-operation processing time | 6 ns typical |
| Maximum PROFINET IO Devices | 256 per first interface; 32 via the second interface |
| Diagnostic buffer | 3 200 entries maximum |
Applications
- Motion Control: Supports Motion Control technology objects, including speed-controlled, positioning, synchronous, and external encoder axes.
- Industrial communication: Provides communication through PROFINET, PROFIBUS, OPC UA, MODBUS TCP, and Open IE communication.
- PID control: Supports PID_Compact, PID_3Step, and PID-Temp controllers with integrated optimization.
Key Features
- Central processing unit: CPU 1516-3 PN/DP with 2 MB integrated work memory for the program and 7.5 MB for data.
- PROFINET interfaces: 2 PROFINET interfaces; the first interface has a 2-port integrated switch and supports PROFINET IRT.
- PROFIBUS interface: 1 RS 485 interface with PROFIBUS DP master functionality and a maximum transmission rate of 12 Mbit/s.
- Supply and processing: Rated supply voltage: 24 V DC; permissible range: 19.2 V to 28.8 V DC. Typical bit-operation processing time: 6 ns.
- Communication services: Supports PROFINET IO Controller, PROFINET IO Device, SIMATIC communication, OPC UA, MODBUS TCP, and web server functions.
- Diagnostics and motion technology: Includes a diagnostic buffer with up to 3 200 entries, 4 configurable traces, and Motion Control support with 2 400 available resources.
Frequently Asked Questions
1. What is the function of Siemens 6ES7516-3AP03-0AB0?
It is a SIMATIC S7-1500 CPU 1516-3 PN/DP central processing unit with integrated PROFINET and PROFIBUS interfaces.
2. How much work memory does the CPU 1516-3 PN/DP have?
It has 2 MB of integrated work memory for the program and 7.5 MB for data.
3. Which network interfaces are included?
It has 2 PROFINET interfaces and 1 RS 485 PROFIBUS interface. The first PROFINET interface has a 2-port integrated switch.
4. What supply voltage does this CPU use?
The rated supply voltage is 24 V DC, with a permissible range of 19.2 V to 28.8 V DC.
