Digital input/output modules permit:
This provides users with the following advantages:
The SM 1223 digital input/output signal modules convert:
| SIMATIC S7-1500, CPU 1511-1 PN, Central processing unit with working memory 150 KB for program and 1 MB for data, 1. interface: PROFINET IRT with 2 port switch, 60 NS bit-performance, SIMATIC memory card necessary | |
| General information | |
| Product type designation | 
CPU 1511-1 PN FS03
 V2.9  | 
| HW functional status | |
| Firmware version | |
| Product function | |
  | 
Yes; I&M0 to I&M3
 Yes; Distributed and central; with minimum OB 6x cycle of 625 µs (distributed) and 1 ms (central)  | 
| Engineering with | |
  | 
V17 (FW V2.9) / V15 (FW V2.5) or higher; with older TIA Portal versions configurable as 6ES7511-1AK01-0AB0 | 
| Configuration control | |
| via dataset | Yes | 
| Display | |
| Screen diagonal [cm] | 3.45 cm | 
| Control elements | |
| Number of keys | 
8
 2  | 
| Mode buttons | |
| Supply voltage | |
| Rated value (DC) | 
24 V
 19.2 V 28.8 V Yes  | 
| permissible range, lower limit (DC) | |
| permissible range, upper limit (DC) | |
| Reverse polarity protection | |
| Mains buffering | |
  | 
5 ms
 1/s  | 
| Input current | |
| Current consumption (rated value) | 
0.7 A
 0.95 A 1.9 A; Rated value 0.02 A²·s  | 
| Current consumption, max. | |
| Inrush current, max. | |
| I²t | |
| Power | |
| Infeed power to the backplane bus | 
10 W
 5.5 W  | 
| Power consumption from the backplane bus (balanced) | |
| Power loss | |
| Power loss, typ. | 5.7 W | 
| Memory | |
| Number of slots for SIMATIC memory card | 
1
 Yes  | 
| SIMATIC memory card required | |
| Work memory | |
  | 
150 kbyte
 1 Mbyte  | 
| Load memory | |
  | 
32 Gbyte | 
| Backup | |
  | 
Yes | 
| CPU processing times | |
| for bit operations, typ. | 
60 ns
 72 ns 96 ns 384 ns  | 
| for word operations, typ. | |
| for fixed point arithmetic, typ. | |
| for floating point arithmetic, typ. | |
| CPU-blocks | |
| Number of elements (total) | 4 000; Blocks (OB, FB, FC, DB) and UDTs | 
| DB | |
 
  | 
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 1 Mbyte; For DBs with absolute addressing, the max. size is 64 KB  | 
| FB | |
  | 
0 ... 65 535
 150 kbyte  | 
| FC | |
  | 
0 ... 65 535
 150 kbyte  | 
| OB | |
  | 
150 kbyte
 100 20 20 20; With minimum OB 3x cycle of 500 µs 50 3 2 2 100 4 2 1  | 
| Nesting depth | |
  | 
24 | 
| Counters, timers and their retentivity | |
| S7 counter | |
  | 
2 048 | 
| Retentivity | |
| - adjustable | Yes | 
| IEC counter | |
  | 
Any (only limited by the main memory) | 
| Retentivity | |
| - adjustable | Yes | 
| S7 times | |
  | 
2 048 | 
| Retentivity | |
| - adjustable | Yes | 
| IEC timer | |
  | 
Any (only limited by the main memory) | 
| Retentivity | |
| - adjustable | Yes | 
| Data areas and their retentivity | |
| Retentive data area (incl. timers, counters, flags), max. | 128 kbyte; In total; available retentive memory for bit memories, timers, | 
| counters, DBs, and technology data (axes): 88 KB 1 Mbyte; When using PS 6 0W 24/48/60 V DC HF | |
| Extended retentive data area (incl. timers, counters, flags), max. | |
| Flag | |
  | 
16 kbyte
 8; 8 clock memory bit, grouped into one clock memory byte  | 
| Data blocks | |
  | 
Yes
 No  | 
| Local data | |
  | 
64 kbyte; max. 16 KB per block | 
| Address area | |
| Number of IO modules | 1 024; max. number of modules / submodules | 
| I/O address area | |
  | 
32 kbyte; All inputs are in the process image
 32 kbyte; All outputs are in the process image  | 
| per integrated IO subsystem | |
  | 
8 kbyte
 8 kbyte  | 
| per CM/CP | |
  | 
8 kbyte
 8 kbyte  | 
| Subprocess images | |
  | 
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 | |
  | 
4; A maximum of 4 CMs/CPs (PROFIBUS, PROFINET, Ethernet) can be inserted in total | 
| Number of IO Controllers | |
  | 
1
 4; A maximum of 4 CMs/CPs (PROFIBUS, PROFINET, Ethernet) can be inserted in total  | 
| Rack | |
  | 
32; CPU + 31 modules
 1  | 
| PtP CM | |
  | 
the number of connectable PtP CMs is only limited by the number of available slots | 
| Time of day | |
| Clock | |
  | 
Hardware clock
 6 wk; At 40 °C ambient temperature, typically 10 s; Typ.: 2 s  | 
| Operating hours counter | |
  | 
16 | 
| Clock synchronization | |
  | 
Yes Yes Yes
 Yes  | 
| Interfaces | |
| Number of PROFINET interfaces | 1 | 
| 1. Interface | |
| Interface types | |
  | 
Yes; X1 2
 Yes  | 
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