General information | |
Product type designation | CPU 1518F-4 PN/DP |
Firmware version | V2.1 |
Engineering with | |
| V14 SP1 (FW V2.1) / V13 (FW V1.5) or higher |
Configuration control | |
via dataset | Yes |
Display | |
Screen diagonal [cm] | 6.1cm |
Control elements | |
Number of keys | 6 |
Mode selector switch | 1 |
Supply voltage | |
Type of supply voltage | 24 V DC |
permissible range, lower limit (DC) | 19.2V |
permissible range, upper limit (DC) | 28.8V |
Reverse polarity protection | Yes |
Mains buffering | |
| 5ms |
Input current | |
Current consumption (rated value) | 1.55A |
Inrush current, max. | 2.4A; Rated value |
It | 0.02As |
Power | |
Infeed power to the backplane bus | 12W |
Power consumption from the backplane bus (balanced) | 30W |
Power loss | |
Power loss, typ. | 24W |
Memory | |
Number of slots for SIMATIC memory card | 1 |
SIMATIC memory card required | Yes |
Work memory | |
| 6Mbyte |
| 20Mbyte |
Load memory | |
| 32Gbyte |
Backup | |
| Yes |
CPU processing times | |
for bit operations, typ. | 1ns |
for word operations, typ. | 2ns |
for fixed point arithmetic, typ. | 2ns |
for floating point arithmetic, typ. | 6ns |
CPU-blocks | |
Number of elements (total) | 10000; 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 |
| 16Mbyte; For non-optimized block accesses, the max. size of the DB is 64 KB |
FB | |
| 0 ... 65 535 |
| 512kbyte |
FC | |
| 0 ... 65 535 |
| 512kbyte |
OB | |
| 512kbyte |
| 100 |
| 20 |
| 20 |
| 20; With minimum OB 3x cycle of 100 s |
| 50 |
| 3 |
| 2 |
| 2 |
| 100 |
| 4 |
| 2 |
| 1 |
Nesting depth | |
| 24; Up to 8 possible for F-blocks |
Counters, timers and their retentivity | |
S7 counter | |
| 2048 |
Retentivity | |
| Yes |
IEC counter | |
| Any (only limited by the main memory) |
Retentivity | |
| Yes |
S7 times | |
| 2048 |
Retentivity | |
| Yes |
IEC timer | |
| Any (only limited by the main memory) |
Retentivity | |
| Yes |
Data areas and their retentivity | |
Retentive data area (incl. timers, counters, flags), max. | 768kbyte; In total; available retentive memory for bit memories, timers, counters, DBs, and technology data (axes): 700 KB |
Extended retentive data area (incl. timers, counters, flags), max. | 20Mbyte; When using PS 60W 24/48/60V DC HF |
Flag | |
| 16kbyte |
| 8; 8 clock memory bits, grouped into one clock memory byte |
Data blocks | |
| Yes |
| No |
Local data | |
| 64kbyte; max. 16 KB per block |
Address area | |
Number of IO modules | 16384; max. number of modules / submodules |
I/O address area | |
| 32kbyte; All inputs are in the process image |
| 32kbyte; All outputs are in the process image |
per integrated IO subsystem | |
| 16kbyte; 16 KB via the integrated PROFINET IO interface, 8 KB via the integrated DP interface |
| 16kbyte; 16 KB via the integrated PROFINET IO interface, 8 KB via the integrated DP interface |
per CM/CP | |
| 8kbyte |
| 8kbyte |
Subprocess images | |
| 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 | |
| 1 |
| 8; A maximum of 8 CMs/CPs (PROFIBUS, PROFINET, Ethernet) can be inserted in total |
Number of IO Controllers | |
| 2 |
| 8; A maximum of 8 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 |
| 6wk; At 40 C ambient temperature, typically |
| 10s; Typ.: 2 s |
Operating hours counter | |
| 16 |
Clock synchronization | |
| Yes |
| Yes |
| Yes |
| Yes |
| Yes |
Interfaces | |
Number of PROFINET interfaces | 3 |
Number of PROFIBUS interfaces | 1 |
1. Interface | |
Interface types | |
| 2 |
| Yes |
| Yes; X1 |
Functionality | |
| Yes; IPv4 |
| Yes |
| Yes |
| Yes |
| Yes |
| Yes |
| Yes |
PROFINET IO Controller | |
Services | |
| Yes |
| Yes |
| Yes |
| Yes |
| Yes |
| Yes; As MRP redundancy manager and/or MRP client; max. number of devices in the ring: 50 |
| Yes; Requirement: IRT |
| Yes |
| Yes; Max. 32 PROFINET devices |
| 512; In total, up to 1 000 distributed I/O devices can be connected via AS-i, PROFIBUS or PROFINET |
| 64 |
| 512 |
| 512 |
| 8; in total across all interfaces |
| 8 |
| 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 | |
| 125 s |
| 187.5 s |
| 250 s to 4 ms |
| 500 s to 8 ms |
| 1 ms to 16 ms |
| 2 ms to 32 ms |
| 4 ms to 64 ms |
| Update time = set "odd" send clock (any multiple of 125 s: 375 s, 625 s ... 3 875 s) |
Update time for RT | |
| 250 s to 128 ms |
| 500 s to 256 ms |
| 1 ms to 512 ms |
| 2 ms to 512 ms |
| 4 ms to 512 ms |
PROFINET IO Device | |
Services | |
| Yes |
| Yes |
| No |
| Yes |
| Yes |
| Yes |
| Yes; Requirement: IRT |
| Yes |
| Yes |
| 4 |
2. Interface | |
Interface types | |
| 1 |
| No |
| Yes; X2 |
Functionality | |
| Yes; IPv4 |
| Yes |
| Yes |
| Yes |
| Yes |
| Yes |
| No |
PROFINET IO Controller | |
Services | |
| Yes |
| Yes |
| No |
| Yes |
| No |
| No |
| Yes |
| No |
| 128; In total, up to 1 000 distributed I/O devices can be connected via AS-i, PROFIBUS or PROFINET |
| 128 |
| 128 |
| 8; in total across all interfaces |
| 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 RT | |
| 1 ms to 512 ms |
PROFINET IO Device | |
Services | |
| Yes |
| Yes |
| No |
| Yes |
| No |
| No |
| No |
| Yes |
| No |
| Yes |
| 4 |
3. Interface | |
Interface types | |
| 1 |
| No |
| Yes; X3 |
Functionality | |
| Yes; IPv4 |
| No |
| No |
| Yes |
| Yes |
| Yes |
4. Interface | |
Interface types | |
| 1 |
| Yes; X4 |
Functionality | |
| Yes |
| No |
| Yes |
Interface types | |
RJ 45 (Ethernet) | |
| Yes |
| Yes; Only possible at the X3 interface of the CPU 1518 |
| Yes |
| Yes |
| Yes |
RS 485 | |
| 12Mbit/s |
Protocols | |
Number of connections | |
| 384; via integrated interfaces of the CPU and connected CPs / CMs |
| 10 |
| 192 |
| 64; in total, only 16 S7-Routing connections are supported via PROFIBUS |
SIMATIC communication | |
| Yes |
| Yes |
| See online help (S7 communication, user data size) |
Open IE communication | |
| Yes |
| 64kbyte |
| Yes |
| Yes |
| 64kbyte |
| Yes |
| 1472byte |
| Yes; Max. 5 multicast circuits |
| No |
| Yes |
| Yes |
| Yes |
Web server | |
| Yes; Standard and user pages |
| Yes; Standard and user pages |
PROFIBUS DP master | |
| 48; for the integrated PROFIBUS DP interface |
Services | |
| Yes |
| Yes |
| Yes |
| Yes |
| Yes |
| 125; In total, up to 1 000 distributed I/O devices can be connected via AS-i, PROFIBUS or PROFINET |
| Yes |
OPC UA | |
| Yes; Data access (read, write, subscribe), runtime license required |
| Yes |
| Available security policies: None, Basic128Rsa15, Basic256Rsa15, Basic256Sha256 |
| "anonymous" or by user name & password |
Further protocols | |
| Yes; MODBUS TCP |
Media redundancy | |
| 200ms; For MRP, bumpless for MRPD |
| 50 |
Isochronous mode | |
Isochronous operation (application synchronized up to terminal) | Yes; With minimum OB 6x cycle of 125 s |
Equidistance | Yes |
S7 message functions | |
Number of login stations for message functions, max. | 32 |
Program alarms | Yes |
Number of configurable program alarms | 10000 |
Number of simultaneously active program alarms | |
| 1000 |
| 200 |
| 160 |
Test commissioning functions | |
Joint commission (Team Engineering) | Yes; Parallel online access possible for up to 10 engineering systems |
Status block | Yes; Up to 16 simultaneously (in total across all ES clients) |
Single step | No |
Status/control | |
| Yes |
| Inputs/outputs, memory bits, DBs, distributed I/Os, timers, counters |
| |
| 200; per job |
| 200; per job |
Forcing | |
| Peripheral inputs/outputs |
| 200 |
Diagnostic buffer | |
| Yes |
| 3200 |
| 1000 |
Traces | |
| 8; Up to 512 KB of data per trace are possible |
Interrupts/diagnostics/status information | |
Diagnostics indication LED | |
| Yes |
| Yes |
| Yes |
| Yes |
Supported technology objects | |
Motion Control | Yes; Note: The number of axes affects the cycle time of the PLC program; selection guide via the TIA Selection Tool or SIZER |
| 10240 |
| |
| 40 |
| 80 |
| 160 |
| 80 |
| 20 |
| 160 |
| 40 |
| |
| 100; At 40% CPU load due to Motion Control |
| 128; At 40% CPU load due to Motion Control |
Controller | |
| Yes; Universal PID controller with integrated optimization |
| Yes; PID controller with integrated optimization for valves |
| Yes; PID controller with integrated optimization for temperature |
Counting and measuring | |
| Yes |
Highest safety class achievable in safety mode | |
Probability of failure (for service life of 20 years and repair time of 100 hours) | |
| < 2.00E-05 |
| < 1.00E-09 |
Ambient conditions | |
Ambient temperature during operation | |
| 0C |
| 60C; Display: 50 C, at an operating temperature of typically 50 C, the display is switched off |
| 0C |
| 40C; Display: 40 C, at an operating temperature of typically 40 C, the display is switched off |
Ambient temperature during storage/transportation | |
| -40C |
| 70C |
Configuration | |
Programming | |
Programming language | |
| Yes; incl. failsafe |
| Yes; incl. failsafe |
| Yes |
| Yes |
| Yes |
Know-how protection | |
| Yes |
| Yes |
| Yes |
Access protection | |
| Yes |
| Yes |
| Yes |
| Yes |
Cycle time monitoring | |
| adjustable minimum cycle time |
| adjustable maximum cycle time |
Dimensions | |
Width | 175mm |
Height | 147mm |
Depth | 129mm |
Weights | |
Weight, approx. | 1988g |