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General| Programming Language | STEP 7 (LAD, FBD, STL, SCL, GRAPH) |
|---|---|
| Communication Interfaces | MPI, PROFIBUS |
| Power Supply | 24 V DC, 120/230 V AC (Power supply modules are separate and chosen based on system requirements) |
| Operating Temperature | 0°C to 60°C |
| Mounting | Rack mounting |
| Processor | CPU 412-1, CPU 414-2, CPU 416-2, CPU 417-4 (Different CPUs offer varying performance and features) |
| Relative Humidity | 5 to 95% (non-condensing) |
Describes the manual's content for operating, functions, and technical specifications.
Outlines necessary general experience in automation engineering and PC tools.
Specifies the manual applies to the S7-400 automation system and listed CPUs.
Refers to another manual for certificates, approvals, and standards.
Details the location and function of LEDs, switches, and interfaces on the CPU.
Explains the function and positions of the three-position mode selector switch.
Describes the slot for inserting RAM and Flash memory cards.
Mentions the slot for inserting PROFIBUS DP modules.
Details connections to programming devices, OPs, and other controllers.
Explains connecting distributed I/O, programming devices, and OPs.
Describes connecting PROFINET IO devices via RJ45 sockets.
Explains the use of the EXT.-BATT. jack for backup voltage and data retention.
Describes reading information and accessing the CPU via a web server.
Describes simultaneous operation of multiple CPUs for increased performance.
Explains implementing configuration changes while the system is running (CiR).
Describes the procedure to reset the CPU to its original factory settings.
Introduces the different interfaces available on the CPUs.
Details the MPI interface's availability and connectable devices.
Explains reconfiguring the MPI interface for PROFIBUS DP operation.
Describes the PROFIBUS DP interface availability and connectable devices.
Details the PROFINET interface availability and assigning IP addresses.
Provides an overview of available communication services like PG/OP, S7, GD.
Explains the establishment and path of S7 connections.
Describes using the CPU as a PROFIBUS DP master or slave.
Lists the address areas for MPI, DP interface, and DP modules.
Details the properties and requirements for operating as a DP master.
Details the properties and requirements for operating as a DP slave.
Explains the principle of direct data exchange between PROFIBUS DP nodes.
Defines PROFINET as an open Industrial Ethernet standard for automation.
Compares PROFINET IO (devices via Ethernet) and PROFINET CBA (component-based).
Shows the new functions of PROFINET IO and examples of connection paths.
Compares new blocks for PROFINET IO with PROFIBUS DP equivalents.
Defines consistent data and its importance for process state description.
Explains how data consistency is maintained for communication jobs.
Details using SFC14 and SFC15 for consistent data transfer with DP slaves.
Divides CPU memory into load, working, and system memory areas.
Details memory requirements for parameters like process image and communication.
Describes load, work, and system memory types available in S7-400 CPUs.
Explains Cold Start, Warm Restart, and Hot Restart scenarios.
Defines cycle time as the time for one OB1 cycle including system activities.
Explains that program scanning is performed in time slices.
Describes how process signals are read/written to internal memory areas.
Details factors influencing cycle time and how to calculate it.
Defines response time from input signal detection to output signal change.
Lists factors affecting response time like cycle time and network delays.
Provides detailed technical data for CPU 414-3 PN/DP, including memory and processing times.
Provides detailed technical data for CPU 416-3 PN/DP, including memory and processing times.
Provides detailed technical data for CPU 416-3F PN/DP, including memory and processing times.
Lists technical specifications for various S7-400 memory cards.
Describes the module's order number, features, and use for connecting distributed I/Os.
Provides the pin assignment for the 9-pin D-sub connector (Connector X1).
