Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CPU 1516F-3 PN/DP |
| Program work memory | 1.5 Mbyte |
| Data work memory | 5 Mbyte |
| PROFINET interfaces | 2; X1 with 2-port switch, X2 with 1 port |
| PROFIBUS interface | 1; RS 485, up to 12 Mbit/s |
| Supply voltage | 24 V DC; permissible range 19.2 V to 28.8 V |
| Diagnostic buffer | 3 200 entries; 500 powerfail-proof |
| Safety performance | PLe; SIL 3 |
| SIMATIC Memory Card | Required; 1 slot |
Applications
- PROFINET I/O control: The CPU supports PROFINET IO Controller and PROFINET IO Device functions, with up to 256 connectable IO Devices in the stated interface configuration.
- PROFIBUS DP master communication: The integrated RS 485 interface supports PROFIBUS DP master communication with a maximum transmission rate of 12 Mbit/s.
- Safety control: The fail-safe CPU supports PROFIsafe and fail-safe LAD and FBD programming.
- Motion control: The CPU supports Motion Control technology objects and provides 2 400 Motion Control resources.
Key Features
- Fail-safe CPU with work memory: CPU 1516F-3 PN/DP has 1.5 Mbyte integrated work memory for the program and 5 Mbyte for data. PROFIsafe V2.4 / V2.6 and safety performance level PLe and SIL 3 are supported.
- PROFINET and PROFIBUS interfaces: The CPU has 2 PROFINET interfaces: X1 with a 2-port integrated switch and X2 with 1 port. It also has 1 RS 485 interface, X3, for PROFIBUS DP master operation up to 12 Mbit/s.
- Supply and protection: Rated supply is 24 V DC, with a permissible range of 19.2 V to 28.8 V and reverse polarity protection. Current consumption is 0.85 A rated and 1.1 A maximum.
- Processing and diagnostics: Bit operations have a typical processing time of 10 ns. The diagnostic buffer stores up to 3 200 entries, including 500 powerfail-proof entries, with RUN/STOP, ERROR, MAINT, STOP ACTIVE, and LINK TX/RX indicators.
- Memory card requirement: One SIMATIC Memory Card is required. Plug-in load memory supports up to 32 Gbyte.
- Installation and dimensions: Dimensions are 70 mm width, 147 mm height, and 129 mm depth; approximate weight is 845 g. For horizontal installation, the ambient operating temperature is -25 °C to 60 °C with no condensation.
Frequently Asked Questions
1. What interfaces does Siemens 6ES7516-3FN02-0AB0 have?
It has 2 PROFINET interfaces and 1 RS 485 interface for PROFIBUS DP master communication. X1 has a 2-port integrated switch, while X2 has 1 port.
2. What memory is available on the CPU?
The CPU has 1.5 Mbyte integrated work memory for the program and 5 Mbyte for data. A SIMATIC Memory Card is required, with plug-in load memory up to 32 Gbyte.
3. What supply voltage does this CPU use?
The rated supply is 24 V DC. The permissible range is 19.2 V to 28.8 V, and reverse polarity protection is provided.
4. What safety performance does the CPU support?
The CPU supports PROFIsafe V2.4 / V2.6, with performance level PLe according to ISO 13849-1 and SIL 3 according to IEC 61508.
5. What are the mounting dimensions?
The dimensions are 70 mm width, 147 mm height, and 129 mm depth. For horizontal installation, the ambient operating temperature is -25 °C to 60 °C with no condensation.
