General information | |
Product type designation | CPU 1518-4 PN/DP ODK |
Engineering with | |
| V14 |
Display | |
Screen diagonal [cm] | 6.1 cm |
Supply voltage | |
Type of supply voltage | 24 V DC |
Power loss | |
Power loss, typ. | 24 W |
Memory | |
Work memory | |
| 4 Mbyte |
| 20 Mbyte |
| 20 Mbyte |
Load memory | |
| 32 Gbyte |
CPU processing times | |
for bit operations, typ. | 1 ns |
for word operations, typ. | 2 ns |
for fixed point arithmetic, typ. | 2 ns |
for floating point arithmetic, typ. | 6 ns |
Counters, timers and their retentivity | |
S7 counter | |
| 2 048 |
IEC counter | |
| Any (only limited by the main memory) |
S7 times | |
| 2 048 |
IEC timer | |
| Any (only limited by the main memory) |
Data areas and their retentivity | |
Flag | |
| 16 kbyte |
Address area | |
I/O address area | |
| 32 kbyte; All inputs are in the process image |
| 32 kbyte; All outputs are in the process image |
Time of day | |
Clock | |
| Hardware clock |
1. Interface | |
Interface types | |
| 2 |
| Yes |
| Yes; X1 |
Functionality | |
| 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 µs |
| 187.5 µs |
| 250 µs to 4 ms |
| 500 µs 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 µs: 375 µs, 625 µs ... 3 875 µs) |
Update time for RT | |
| 250 µs to 128 ms |
| 500 µs 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 |
| 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 | |
| No |
| No |
| Yes |
| Yes |
| Yes |
4. Interface | |
Interface types | |
| 1 |
| Yes; X4 |
Functionality | |
| Yes |
| No |
| Yes |
Protocols | |
Supports protocol for PROFINET IO | Yes |
PROFIsafe | No |
PROFIBUS | Yes |
Number of connections | |
| 384; via integrated interfaces of the CPU and connected CPs / CMs |
PROFIBUS DP master | |
Services | |
| 125; In total, up to 1 000 distributed I/O devices can be connected via AS-i, PROFIBUS or PROFINET |
Isochronous mode | |
Isochronous operation (application synchronized up to terminal) | Yes; With minimum OB 6x cycle of 125 µs |
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 |
| 10 240 |
| |
| 40 |
| 80 |
| 160 |
| 80 |
| 20 |
| 160 |
| 40 |
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 |
Ambient conditions | |
Ambient temperature during operation | |
| 0 °C |
| 60 °C; Display: 50 °C, at an operating temperature of typically 50 °C, the display is switched off |
| 0 °C |
| 40 °C; Display: 40 °C, at an operating temperature of typically 40 °C, the display is switched off |
Configuration | |
Programming | |
Programming language | |
| Yes |
| Yes |
| Yes |
| Yes |
| Yes |
Know-how protection | |
| Yes |
| Yes |
| Yes |
Access protection | |
| Yes |
| Yes |
| Yes |
| Yes |
Open Development interfaces | |
| 5.8 Mbyte |
Dimensions | |
Width | 175 mm |
Height | 147 mm |
Depth | 129 mm |
Weights | |
Weight, approx. | 1 988 g |