| General information |
| Product type designation |
CPU 1512C-1 PN |
| HW functional status |
FS01 |
| Firmware version |
V3.1 |
| ● FW update possible |
Yes |
| Product function |
| ● I&M data |
Yes; I&M0 to I&M3 |
| ● Isochronous mode |
Yes; with minimal OB 6x cycle of 500 μs (distributed) |
| ● SysLog |
Yes |
| Engineering with |
| ● STEP 7 TIA Portal configurable/integrated from version |
V19 (FW V3.1); with older TIA Portal versions configurable as 6ES7512-1CK00-0AB0 |
| Configuration control |
| via dataset |
Yes |
| Display |
| Screen diagonal [cm] |
3.45 cm |
| Control elements |
| Number of keys |
8 |
| Mode buttons |
2 |
| Supply voltage |
| Rated value (DC) |
24 V |
| permissible range, lower limit (DC) |
19.2 V; 20.4 V DC, for supplying the digital inputs/outputs |
| permissible range, upper limit (DC) |
28.8 V |
| Reverse polarity protection |
Yes |
| Mains buffering |
| ● Mains/voltage failure stored energy time |
5 ms; Refers to the power supply on the CPU section |
| ● Repeat rate, min. |
1/s |
| Input current |
| Current consumption (rated value) |
0.66 A; without DI/DO load |
| Current consumption, max. |
1 A; without DI/DO load |
| Inrush current, max. |
1.22 A; Rated value |
| I²t |
0.6 A²·s |
| Digital inputs |
| ● from load voltage L+ (without load), max. |
20 mA; per group |
| Digital outputs |
| ● from load voltage L+, max. |
30 mA; Per group, without load |
| output voltage / header |
| Rated value (DC) |
24 V |
| Encoder supply |
| Number of outputs |
2; One common 24 V encoder supply per 16 digital inputs |
| 24 V encoder supply |
| ● 24 V |
Yes; L+ (-0.8 V) |
| ● Short-circuit protection |
Yes |
| ● Output current, max. |
1 A |
| Power |
| Infeed power to the backplane bus |
10 W |
| Power consumption from the backplane bus (balanced) |
9 W |
| Power loss |
| Power loss, typ. |
6 W |
| Memory |
| Number of slots for SIMATIC memory card |
1 |
| SIMATIC memory card required |
Yes |
| Work memory |
| ● integrated (for program) |
400 kbyte |
| ● integrated (for data) |
2 Mbyte |
| Load memory |
| ● Plug-in (SIMATIC Memory Card), max. |
32 Gbyte |
| Backup |
| ● maintenance-free |
Yes |
| CPU processing times |
| for bit operations, typ. |
25 ns |
| for word operations, typ. |
32 ns |
| for fixed point arithmetic, typ. |
42 ns |
| for floating point arithmetic, typ. |
170 ns |
| CPU-blocks |
| Number of elements (total) |
4 000; 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. |
2 Mbyte; For DBs with absolute addressing, the max. size is 64 KB |
| FB |
| ● Number range |
0 ... 65 535 |
| ● Size, max. |
400 kbyte |
| FC |
| ● Number range |
0 ... 65 535 |
| ● Size, max. |
400 kbyte |
| OB |
| ● Size, max. |
400 kbyte |
| ● 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 |
1 |
| ● 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. |
256 kbyte; in total; available retentive memory for bit memories, timers, counters, DBs, and technology data (axes): 216 KB |
| Extended retentive data area (incl. timers, counters, flags), max. |
2 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 |
2 048; 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 |
32; 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 |
| ● Via CM |
6; A maximum of 6 CMs/CPs (PROFIBUS, PROFINET, Ethernet) can be inserted in total |
| Number of IO Controllers |
| ● integrated |
1 |
| ● Via CM |
6; A maximum of 6 CMs/CPs (PROFIBUS, PROFINET, Ethernet) can be inserted in total |
| Rack |
| ● Modules per rack, max. |
32; CPU + 31 modules |
| ● Number of lines, max. |
1 |
| 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 |
| ● in AS, master |
Yes |
| ● in AS, slave |
Yes |
| ● on Ethernet via NTP |
Yes |
| Digital inputs |
| integrated channels (DI) |
32 |
| Digital inputs, parameterizable |
Yes |
| Source/sink input |
P-reading |
| Input characteristic curve in accordance with IEC 61131, type 3 |
Yes |
| Digital input functions, parameterizable |
| ● Gate start/stop |
Yes |
| ● Capture |
Yes |
| ● Synchronization |
Yes |
| Input voltage |
| ● Type of input voltage |
DC |
| ● Rated value (DC) |
24 V |
| ● for signal "0" |
-3 to +5V |
| ● for signal "1" |
+11 to +30V |
| Input current |
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