Central processing units Siemens
Область применения
Numerous CPUs with differing performance ranges are available for SIMATIC S7-400:
- CPU 412-1, CPU 412-2 und CPU 412-2 PN:
For smaller plants in the mid-performance range. - CPU 414-2, CPU 414-3, CPU 414-3 PN/DP:
For medium-sized plants with additional requirements for program scope, processing speed, and communication. - CPU 416-2, CPU 416-3, CPU 416-3 PN/DP:
For plants with high requirements in the top-end performance range. - CPU 417-4 DP:
For plants with the most stringent requirements in the top-end performance range. - CPU 412-5H, CPU 414-5H, CPU 416‑5H and CPU 417-4H:
For SIMATIC S7-400H and S7-400F/FH. - CPU 414F-3 PN/DP, CPU 416F-2 and CPU 416F-3 PN/DP:
For constructing a fail-safe automation system for plants with increased safety requirements.
Обзор
- 10 different CPUs for S7-400
- 4 CPUs for S7-400H and S7-400F/FH
- 3 fail-safe CPUs for S7-400F
- Graded performance for a wide range of different applications
Дизайн
All CPUs have a plastic housing in which the control and display elements are integrated identically for all CPUs. Identical elements have identical functions.
On the front, there are:
- LEDs:
For status and error indication. - Toggle switches:
For selecting the operating modes. - Slot for a memory card (expansion of the load memory).
- Combined MPI/DP interface.
- Integrated PROFIBUS DP interface (not CPU 412-1).
- Battery infeed socket:
For external supply of the battery backup voltage.
All CPUs apart from the entry level CPU 412-1 and CPU 412-2 PN have:
- PROFIBUS DP interface:
For interfacing to distributed I/O. Depending on the configuration, it can even be used for communication with an OP or programming device/PC.
In addition, the CPU 412-2 PN, CPU 414-3 PN/DP, CPU 414F-3 PN/DP, CPU 416-3 PN/DP and the CPU 416F-3 PN/DP offer PROFINET connection options. Each of these modules has a PROFINET interface with 2 ports (switch).
The top-end CPUs also have:
- Spare slots for PROFIBUS DP interface modules:
For connecting further DP lines.
Otherwise the CPUs only differ with regard to their quantity structure, e.g. RAM, address range, number of loadable blocks, and execution time.
Функции
Memory concept
All CPUs of S7-400 feature two types of memory. This subdivision of work memory increases performance by 100%. Where a standard processor accesses its RAM at least twice, the S7-400 special processor accesses the code memory and data memory simultaneously in one cycle. There are also separate code and data buses for this purpose. The size of the work memory is determined by the appropriate CPU selected from the finely graded CPU spectrum.
For small and medium programs, the integral load memory (RAM) is sufficient. For larger programs, the load memory can be increased by inserting memory cards. Plug-in flash memory cards are available for retentive storage without the need for a battery.
Block encryption
The functions (FCs) and function blocks (FBs) can be stored in the CPU in encrypted form to protect the know-how of the application.
Технические данные
Order number | 6ES7412-1XJ05-0AB0 | 6ES7412-2XJ05-0AB0 | 6ES7412-2EK07-0AB0 | |
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CPU412-1, MPI/DP, 288 KB | CPU412-2, MPI/DP, 512 KB | |||
General information |
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Product type designation | CPU 412-1 | CPU 412-2 | CPU 412-2 PN | |
Engineering with |
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| STEP7 V 5.3 SP2 or higher with HW update | STEP7 V 5.3 SP2 or higher with HW update | STEP 7 V5.5 or higher with HSP 262 | |
Supply voltage |
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Rated value (DC) | ||||
| No; Power supply via system power supply | No; Power supply via system power supply | No; Power supply via system power supply | |
Power loss |
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Power loss, typ. | 2.5 W | 4.5 W | 5.5 W | |
Memory |
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Work memory |
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| 288 kbyte | 512 kbyte | 1 Mbyte | |
| 144 kbyte | 256 kbyte | 512 kbyte | |
| 144 kbyte | 256 kbyte | 512 kbyte | |
Load memory |
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| 64 Mbyte | 64 Mbyte | 64 Mbyte | |
| 512 kbyte | 512 kbyte | 512 kbyte | |
| 64 Mbyte | 64 Mbyte | 64 Mbyte | |
CPU processing times |
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for bit operations, typ. | 75 ns | 75 ns | 31.25 ns | |
for word operations, typ. | 75 ns | 75 ns | 31.25 ns | |
for fixed point arithmetic, typ. | 75 ns | 75 ns | 31.25 ns | |
for floating point arithmetic, typ. | 225 ns | 225 ns | 62.5 ns | |
Counters, timers and their retentivity |
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S7 counter |
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| 2 048 | 2 048 | 2 048 | |
IEC counter |
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| Yes | Yes | Yes | |
S7 times |
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| 2 048 | 2 048 | 2 048 | |
IEC timer |
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| Yes | Yes | Yes | |
Data areas and their retentivity |
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Flag |
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| 4 kbyte; Size of bit memory address area | 4 kbyte; Size of bit memory address area | 4 kbyte; Size of bit memory address area | |
Address area |
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I/O address area |
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| 4 kbyte | 4 kbyte | 4 kbyte | |
| 4 kbyte | 4 kbyte | 4 kbyte | |
Process image |
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| 4 kbyte | 4 kbyte | 4 kbyte | |
| 4 kbyte | 4 kbyte | 4 kbyte | |
Hardware configuration |
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Slots |
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| 1 | 1 | 1 | |
Time of day |
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Clock |
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| Yes | Yes | Yes | |
Operating hours counter |
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| 16 | 16 | 16 | |
Interfaces |
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Interfaces/bus type | 1 x MPI/PROFIBUS DP | 1 x MPI/PROFIBUS DP, 1 x PROFIBUS DP | 1 x MPI/PROFIBUS DP, 1 x PROFINET (2 ports) | |
Number of RS 485 interfaces | 1; Combined MPI / PROFIBUS DP | 2; Combined MPI / PROFIBUS DP and PROFIBUS DP | 1; Combined MPI / PROFIBUS DP | |
1. Interface |
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Interface type | Integrated | Integrated | Integrated | |
Physics | RS 485 / PROFIBUS + MPI | RS 485 / PROFIBUS + MPI | RS 485 / PROFIBUS + MPI | |
Functionality |
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| Yes | Yes | Yes | |
| Yes | Yes | Yes | |
| Yes | Yes | Yes | |
DP master |
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| 32 | 32 | 32 | |
2. Interface |
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Interface type | Integrated | PROFINET | ||
Physics | RS 485 / PROFIBUS | Ethernet RJ45 | ||
Number of ports | 2 | |||
Functionality |
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| Yes | No | ||
| Yes | No | ||
| Yes | |||
| Yes | |||
| Yes | |||
DP master |
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| 64 | |||
PROFINET IO Controller |
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| 256 | |||
| 256 | |||
| 64 | |||
Isochronous mode |
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Isochronous operation (application synchronized up to terminal) | Yes; For PROFIBUS only | Yes; For PROFIBUS only | Yes; Via PROFIBUS DP or PROFINET interface | |
Communication functions |
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PG/OP communication | Yes | Yes | Yes | |
Data record routing | Yes | Yes | Yes | |
Global data communication |
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| Yes | Yes | Yes | |
S7 basic communication |
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| Yes | Yes | Yes | |
S7 communication |
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| Yes | Yes | Yes | |
S5 compatible communication |
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| Yes; Via FC AG_SEND and AG_RECV, max. via 10 CP 443-1 or 443-5 | Yes; Via FC AG_SEND and AG_RECV, max. via 10 CP 443-1 or 443-5 | Yes; Via FC AG_SEND and AG_RECV, max. via 10 CP 443-1 or 443-5 | |
Standard communication (FMS) |
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| Yes; Via CP and loadable FB | Yes; Via CP and loadable FB | Yes; Via CP and loadable FB | |
Open IE communication |
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| Yes; via integrated PROFINET interface and loadable FBs | |||
| 46 | |||
| Via CP 443-1 Adv. and loadable FB | Via CP 443-1 and loadable FB | Yes; Via integrated PROFINET interface or CP 443-1 Adv. and loadable FBs | |
| 46 | |||
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