Siemens SIMATIC NET S7-400 Equipment Manual

CP 443-5 Extended
Equipment Manual, 01/2023, C79000-G8976-C162-10
7
Table of contents
Preface ................................................................................................................................................... 3
1 Application and functions ..................................................................................................................... 9
1.1 Application .......................................................................................................................... 9
1.2 Functions and communication services ................................................................................ 9
1.3 Requirements for use ......................................................................................................... 11
1.3.1 Use with the current CPU types .......................................................................................... 12
1.3.2 Converting older systems ................................................................................................... 14
1.3.3 Project engineering ............................................................................................................ 16
1.3.4 Programming .................................................................................................................... 16
1.4 Performance data .............................................................................................................. 18
1.4.1 Transmission speeds supported .......................................................................................... 18
1.4.2 Characteristic data of the DP interface ................................................................................ 18
1.4.3 Characteristic data of open communications services (SEND/RECEIVE interface) over
FDL connections ................................................................................................................ 19
1.4.4 Characteristics of S7 communication .................................................................................. 20
1.4.5 Parallel use of communications services (multiprotocol mode) ........................................... 21
1.4.6 Time-of-day synchronization .............................................................................................. 22
1.4.7 Data record routing............................................................................................................ 22
1.4.8 Use in faulttolerant systems ............................................................................................... 23
1.4.9 Other characteristics .......................................................................................................... 23
1.5 Compatibility with previous product ................................................................................... 24
1.5.1 Extended functionality compared with previous product .................................................... 24
1.5.2 Replacing older modules / module replacement .................................................................. 25
2 LEDs and mode selector ....................................................................................................................... 27
3 Installation, wiring, commissioning, removal ..................................................................................... 29
3.1 Important notes on using the device .................................................................................. 29
3.1.1 Notes on use in hazardous areas ........................................................................................ 29
3.1.2 Notes on use in hazardous areas according to ATEX / UKEX / IECEx / CCC-Ex ........................ 29
3.1.3 Notes on use in hazardous areas according to UL HazLoc and FM ........................................ 30
3.2 Installation, removal and repairs in hazardous areas ........................................................... 31
3.3 Installing and connecting ................................................................................................... 32
3.4 Disassembly ....................................................................................................................... 35
4 Operation, diagnostics and maintenance ........................................................................................... 37
4.1 General operation on PROFIBUS ......................................................................................... 37
4.2 Display "Existing channel error" in the diagnostics interrupt OB (OB82) ............................... 38
4.3 Display of the the DP slave history ...................................................................................... 38
4.4 Other information available about the CP ........................................................................... 39

Siemens SIMATIC NET S7-400 Specifications

General

Brand	Siemens
Model	SIMATIC NET S7-400
Category	Conference System
Language	English