Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CPU 1516F-3 PN/DP |
| Program work memory | 3 Mbyte |
| Data work memory | 7.5 Mbyte |
| PROFINET interfaces | 2 |
| PROFIBUS interfaces | 1 |
| Rated supply voltage | 24 V DC |
| Permissible supply range | 19.2 V to 28.8 V DC |
| Rated current consumption | 0.87 A |
| PROFINET IO Devices, max. | 256 via 1st interface; 32 via 2nd interface |
| PROFIBUS DP connections, max. | 48 |
Applications
- PROFINET I/O control: The CPU supports PROFINET IO Controller and PROFINET IO Device functions for exchanging I/O data.
- PROFIBUS DP master communication: The integrated PROFIBUS interface supports PROFIBUS DP master operation with up to 48 connections and up to 125 DP devices.
- OPC UA data access: The CPU supports OPC UA Client data access and OPC UA Server data access, subscriptions, method calls, alarms and conditions.
Key Features
- PROFINET and PROFIBUS interfaces: The CPU has 2 PROFINET interfaces: X1 with 2 RJ 45 ports and an integrated switch, and X2 with 1 RJ 45 port. It also has 1 RS 485 interface, X3, for PROFIBUS.
- Work memory and processing: Integrated work memory is 3 Mbyte for the program and 7.5 Mbyte for data. Typical CPU processing time is 6 ns for bit operations and 7 ns for word operations.
- Supply and electrical data: Rated supply voltage is 24 V DC, with a permissible range of 19.2 V to 28.8 V DC. Rated current consumption is 0.87 A and maximum current consumption is 1.08 A.
- Communication protocols: Supported communication includes PROFINET IO Controller, PROFINET IO Device, PROFIBUS DP master, OPC UA Client and OPC UA Server. MODBUS TCP is also supported.
- Fail-safe and diagnostics: The CPU supports PROFIsafe V2.4 / V2.6, has a diagnostic buffer with up to 3 200 entries, and provides RUN/STOP, ERROR, MAINT and STOP ACTIVE LEDs.
- Railway and conformal coating features: The unit has conformal coating and supports horizontal operation from -40 °C to 60 °C, with +70 °C for 10 min under OT2, ST1/ST2 according to EN 50155. Vertical operation is specified from -40 °C to 40 °C.
Frequently Asked Questions
1. What interfaces does the Siemens 6AG2516-3FP03-2AB0 have?
It has 2 PROFINET interfaces and 1 PROFIBUS interface. X1 has 2 RJ 45 ports and an integrated switch, X2 has 1 RJ 45 port, and X3 is RS 485.
2. 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.
3. How much work memory is available?
The CPU has 3 Mbyte of integrated program work memory and 7.5 Mbyte of integrated data work memory. A SIMATIC Memory Card is required.
4. What temperature limits apply during operation?
For horizontal installation, the range is -40 °C to 60 °C, with +70 °C for 10 min under OT2, ST1/ST2 according to EN 50155. For vertical installation, the range is -40 °C to 40 °C.
