Key facts
- Brand
- Siemens
- Model
- S7-400
- Category
- Other software
- Industry
- Industrial
- Documents
- 16
- Languages
- EN · ZH
- Last added
- 2012-05-04
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Siemens S7-400 CPU 41x Specification Guide
This manual provides comprehensive information on the Siemens S7-400 CPU 41x series, including its structure, special functions, communication interfaces (MPI, PROFIBUS DP, PROFINET), consistency data, memory principles, cycle and response times, and technical specifications. It is intended for qualified professionals who install, configure, and maintain S7-400 automation systems.
The document also contains safety notices, legal information, and references to related manuals such as the hardware and installation guide. It is organized with a detailed table of contents, tables, figures, and an index for easy navigation of the extensive technical content.
Siemens S7-400 specifications
| Supported PLC models | S7-300, S7-400 |
|---|---|
| Required STEP 7 version | 5.3 |
| Applicable standard | IEC 1131‑3 |
Source: Siemens S7-300/S7-400 Function Block Diagram Programming Reference Manual
All Siemens S7-400 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
- Siemens S7-300/S7-400 PID Control Standard Software User Manual 42 p
- SIEMENS SIMATIC S7-400 controller module FM 455 Manual 260 p
- SIEMENS S7-400 simatic Manual
- Siemens S7-400 User Manual 184 p
- Siemens S7-400 Programmable Logic Controller User Manual 16 p
- Siemens SIMATIC S7-400H Fault‑tolerant System User Manual 212 p
- Siemens S7-400 CPU System Manual 172 p
- Siemens S7-400 CPU 41x Specification Guide 372 p
Ratings, dimensions and ordering codes, for selection and design work.
Instruction set, parameters and examples for configuring or programming the device.
Disassembly, diagnostics and part numbers, for repair.
Questions answered in these manuals
Which function blocks are included in the PID Control software package?
The package includes three function blocks: CONT_C, CONT_S, and PULSEGEN.
From: Siemens S7-300/S7-400 PID Control Standard Software User Manual
What operating system is required to use the PID Control parameter‑assignment interface?
The parameter‑assignment interface runs under Windows 95.
From: Siemens S7-300/S7-400 PID Control Standard Software User Manual
Who is the intended audience for this manual?
The manual is intended for S7 programmers, operators, and maintenance/service personnel.
From: Siemens S7-300 / S7-400 Ladder Logic (LAD) Programming Manual
Which version of STEP 7 software does this manual apply to?
It is valid for release 3.0 of the STEP 7 programming software package.
From: Siemens S7-300 / S7-400 Ladder Logic (LAD) Programming Manual
What do the warning triangles in the manual indicate?
A warning triangle marks personal safety hazards; the shape and color denote the severity of the risk.
From: SIEMENS SIMATIC S7-400 controller module FM 455 Manual
Who is authorized to install and operate the FM 455 module?
Only qualified professional personnel, as defined by safety standards, may install, debug and operate the module.
From: SIEMENS SIMATIC S7-400 controller module FM 455 Manual