Product Description
Key Features
- Controller identity: CPU 1516-3 PN/DP based on 6ES7516-3AP03-0AB0, with conformal coating and Active Product lifecycle.
- Memory and processing: 2 Mbyte integrated program memory, 7.5 Mbyte integrated data memory, 6 ns typical bit-operation time, and 32 Gbyte maximum plug-in SIMATIC Memory Card load memory.
- Interfaces: 2 PROFINET interfaces and 1 PROFIBUS interface; X1 has a 2-port integrated switch, X2 has 1 port, and X3 is RS 485.
- Supply and protection: 24 V DC rated supply value, permissible range 19.2 V to 28.8 V, and reverse polarity protection.
- Communication capacity: Up to 256 connectable IO Devices via the integrated PROFINET interfaces, 48 connections for the integrated PROFIBUS DP interface, and 256 maximum connections via integrated interfaces and connected CPs / CMs.
- Installation and environment: Rail-based unit with 70 mm width, 147 mm height, 129 mm depth, and horizontal installation ambient temperature from -40 °C to 70 °C; +85 °C for 10 min under the stated OT4, ST1/ST2 conditions.
Applications
- PROFINET IO control: The CPU supports PROFINET IO Controller and PROFINET IO Device communication.
- PROFIBUS DP control: The integrated interface supports PROFIBUS DP master communication, equidistance, and isochronous mode.
- OPC UA data exchange: The CPU supports OPC UA Client and OPC UA Server data access, method calls, subscriptions, and alarms & conditions.
Technical Summary
| Product type | CPU 1516-3 PN/DP |
|---|---|
| Product lifecycle | Active Product |
| Program memory | 2 Mbyte, integrated |
| Data memory | 7.5 Mbyte, integrated |
| Rated supply voltage | 24 V DC |
| Permissible supply range | 19.2 V to 28.8 V DC |
| PROFINET interfaces | 2 |
| PROFIBUS interfaces | 1 |
| SIMATIC Memory Card | Required; 1 slot |
| Bit-operation time | 6 ns, typical |
Frequently Asked Questions
What exact order number should be checked for this Siemens CPU?
Check the complete order number 6AG2516-3AP03-4AB0 and the product type designation CPU 1516-3 PN/DP.
Which interfaces and connectors does this configuration have?
It has 2 PROFINET interfaces and 1 PROFIBUS interface. X1 is RJ 45 Ethernet with a 2-port integrated switch, X2 is RJ 45 Ethernet with 1 port, and X3 is RS 485 with 1 port.
Is a memory card required?
Yes. A SIMATIC Memory Card is required, with 1 slot and a maximum plug-in load memory of 32 Gbyte.
What supply voltage should be confirmed?
Confirm a 24 V DC rated supply value and a permissible range of 19.2 V to 28.8 V DC.
