| General information |
| Product type designation |
CPU 1516-3 PN/DP |
| HW functional status |
FS03 |
| Firmware version |
V2.9 |
| Product function |
| ● I&M data |
Yes; I&M0 to I&M3 |
| ● Isochronous mode |
Yes; Distributed and central; with minimum OB 6x cycle of 375 µs (distributed) and 1 ms (central) |
| Engineering with |
| ● STEP 7 TIA Portal configurable/integrated from version |
V17 (FW V2.9) / V13 SP1 Update 4 (FW V1.8) or higher |
| Configuration control |
| via dataset |
Yes |
| Display |
| Screen diagonal [cm] |
6.1 cm |
| Control elements |
| Number of keys |
6 |
| Mode selector switch |
1 |
| Supply voltage |
| Rated value (DC) |
24 V |
| permissible range, lower limit (DC) |
19.2 V |
| permissible range, upper limit (DC) |
28.8 V |
| Reverse polarity protection |
Yes |
| Mains buffering |
| ● Mains/voltage failure stored energy time |
5 ms |
| Input current |
| Current consumption (rated value) |
0.85 A |
| Inrush current, max. |
2.4 A; Rated value |
| I²t |
0.02 A²·s |
| Power |
| Infeed power to the backplane bus |
12 W |
| Power consumption from the backplane bus (balanced) |
6.7 W |
| Power loss |
| Power loss, typ. |
7 W |
| Memory |
| Number of slots for SIMATIC memory card |
1 |
| SIMATIC memory card required |
Yes |
| Work memory |
| ● integrated (for program) |
1 Mbyte |
| ● integrated (for data) |
5 Mbyte |
| Load memory |
| ● Plug-in (SIMATIC Memory Card), max. |
32 Gbyte |
| Backup |
| ● maintenance-free |
Yes |
| CPU processing times |
| for bit operations, typ. |
10 ns |
| for word operations, typ. |
12 ns |
| for fixed point arithmetic, typ. |
16 ns |
| for floating point arithmetic, typ. |
64 ns |
| CPU-blocks |
| Number of elements (total) |
8 000; Blocks (OB, FB, FC, DB) and UDTs |
| DB |
| ● Number range |
1 ... 60 999; subdivided into: number range that can be used by the user: 1 ... 59 999, and number range of DBs created via SFC 86: 60 000 ... 60 999 |
| ● Size, max. |
5 Mbyte; For DBs with absolute addressing, the max. size is 64 KB |
| FB |
| ● Number range |
0 ... 65 535 |
| ● Size, max. |
1 Mbyte |
| FC |
| ● Number range |
0 ... 65 535 |
| ● Size, max. |
1 Mbyte |
| OB |
| ● Size, max. |
1 Mbyte |
| ● Number of free cycle OBs |
100 |
| ● Number of time alarm OBs |
20 |
| ● Number of delay alarm OBs |
20 |
| ● Number of cyclic interrupt OBs |
20; With minimum OB 3x cycle of 250 µs |
| ● Number of process alarm OBs |
50 |
| ● Number of DPV1 alarm OBs |
3 |
| ● Number of isochronous mode OBs |
3 |
| ● Number of technology synchronous alarm OBs |
2 |
| ● Number of startup OBs |
100 |
| ● Number of asynchronous error OBs |
4 |
| ● Number of synchronous error OBs |
2 |
| ● Number of diagnostic alarm OBs |
1 |
| Nesting depth |
| ● per priority class |
24 |
| Counters, timers and their retentivity |
| S7 counter |
| ● Number |
2 048 |
| Retentivity |
| — adjustable |
Yes |
| IEC counter |
| ● Number |
Any (only limited by the main memory) |
| Retentivity |
| — adjustable |
Yes |
| S7 times |
| ● Number |
2 048 |
| Retentivity |
| — adjustable |
Yes |
| IEC timer |
| ● Number |
Any (only limited by the main memory) |
| Retentivity |
| — adjustable |
Yes |
| Data areas and their retentivity |
| Retentive data area (incl. timers, counters, flags), max. |
512 kbyte; In total; available retentive memory for bit memories, timers, counters, DBs, and technology data (axes): 472 KB |
| Extended retentive data area (incl. timers, counters, flags), max. |
5 Mbyte; When using PS 6 0W 24/48/60 V DC HF |
| Flag |
| ● Size, max. |
16 kbyte |
| ● Number of clock memories |
8; 8 clock memory bit, grouped into one clock memory byte |
| Data blocks |
| ● Retentivity adjustable |
Yes |
| ● Retentivity preset |
No |
| Local data |
| ● per priority class, max. |
64 kbyte; max. 16 KB per block |
| Address area |
| Number of IO modules |
8 192; max. number of modules / submodules |
| I/O address area |
| ● Inputs |
32 kbyte; All inputs are in the process image |
| ● Outputs |
32 kbyte; All outputs are in the process image |
| per integrated IO subsystem |
| — Inputs (volume) |
8 kbyte |
| — Outputs (volume) |
8 kbyte |
| per CM/CP |
| — Inputs (volume) |
8 kbyte |
| — Outputs (volume) |
8 kbyte |
| Subprocess images |
| ● Number of subprocess images, max. |
32 |
| Hardware configuration |
| Number of distributed IO systems |
64; A distributed I/O system is characterized not only by the integration of distributed I/O via PROFINET or PROFIBUS communication modules, but also by the connection of I/O via AS-i master modules or links (e.g. IE/PB-Link) |
| Number of DP masters |
| ● integrated |
1 |
| ● Via CM |
8; A maximum of 8 CMs/CPs (PROFIBUS, PROFINET, Ethernet) can be inserted in total |
| Number of IO Controllers |
| ● integrated |
2 |
| ● Via CM |
8; A maximum of 8 CMs/CPs (PROFIBUS, PROFINET, Ethernet) can be inserted in total |
| Rack |
| ● Modules per rack, max. |
32; CPU + 31 modules |
| PtP CM |
| ● Number of PtP CMs |
the number of connectable PtP CMs is only limited by the number of available slots |
| Time of day |
| Clock |
| ● Type |
Hardware clock |
| ● Backup time |
6 wk; At 40 °C ambient temperature, typically |
| ● Deviation per day, max. |
10 s; Typ.: 2 s |
| Operating hours counter |
| ● Number |
16 |
| Clock synchronization |
| ● supported |
Yes |
| ● to DP, master |
Yes |
| ● in AS, master |
Yes |
| ● in AS, slave |
Yes |
| ● on Ethernet via NTP |
Yes |
| Interfaces |
| Number of PROFINET interfaces |
2 |
| Number of PROFIBUS interfaces |
1 |
| 1. Interface |
| Interface types |
| ● RJ 45 (Ethernet) |
Yes; X1 |
| ● Number of ports |
2 |
| ● integrated switch |
Yes |
| Protocols |
| ● IP protocol |
Yes; IPv4 |
| ● PROFINET IO Controller |
Yes |
| ● PROFINET IO Device |
Yes |
| ● SIMATIC communication |
Yes |
| ● Open IE communication |
Yes; Optionally also encrypted |
| ● Web server |
Yes |
| ● Media redundancy |
Yes |
| PROFINET IO Controller |
| Services |
| — PG/OP communication |
Yes |
| — Isochronous mode |
Yes |
| — Direct data exchange |
Yes; Requirement: IRT and isochronous mode (MRPD optional) |
| — IRT |
Yes |
| — PROFIenergy |
Yes; per user program |
| — Prioritized startup |
Yes; Max. 32 PROFINET devices |
| — Number of connectable IO Devices, max. |
256; In total, up to 1 000 distributed I/O devices can be connected via AS-i, PROFIBUS or PROFINET |
| — Of which IO devices with IRT, max. |
64 |
| — Number of connectable IO Devices for RT, max. |
256 |
| — of which in line, max. |
256 |
| — Number of IO Devices that can be simultaneously activated/deactivated, max. |
8; in total across all interfaces |
| — Number of IO Devices per tool, max. |
8 |
| — Updating times |
The minimum value of the update time also depends on communication share set for PROFINET IO, on the number of IO devices, and on the quantity of configured user data |
| Update time for IRT |
| — for send cycle of 250 µs |
250 μs to 4 ms; Note: In the case of IRT with isochronous mode, the minimum update time of 375 µs of the isochronous OB is decisive |
| — for send cycle of 500 µs |
500 µs to 8 ms |
| — for send cycle of 1 ms |
1 ms to 16 ms |
| — for send cycle of 2 ms |
2 ms to 32 ms |
| — for send cycle of 4 ms |
4 ms to 64 ms |
| — With IRT and parameterization of "odd" send cycles |
Update time = set "odd" send clock (any multiple of 125 µs: 375 µs, 625 µs ... 3 875 µs) |
| Update time for RT |
| — for send cycle of 250 µs |
250 µs to 128 ms |
| — for send cycle of 500 µs |
500 µs to 256 ms |
| — for send cycle of 1 ms |
1 ms to 512 ms |
| — for send cycle of 2 ms |
2 ms to 512 ms |
| — for send cycle of 4 ms |
4 ms to 512 ms |
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