Siemens Simatic S7-400 - Technical Specifications

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Point-to-point connection CP 440 Installation and Parameter Assignment

10 Equipment Manual, 03/2022, A5E00057742-AE

Main Page

Preface3
Table of Contents7
Product Description11
Uses of the CP 44011
Components Required for a Point-To-Point Connection with the CP 44012
Required Hardware Components12
Required Software Components13
Incompatible CPU Versions13
Design of the CP 44014
Features of the X27 (RS 422/485) Interface16
Basic Principles of Serial Data Transmission17
Serial Transmission of a Character17
Transmission Procedure with a Point-To-Point Connection20
Transmission Integrity21
Data Transmission with the ASCII Driver23
Sending Data with the ASCII Driver24
Receiving Data with the ASCII Driver26
Topologies between the Communication Partners32
Data Transmission with the 3964(R) Procedure35
The Control Characters of the 3964(R) Procedure35
Block Checksum37
Sending Data with 3964(R)38
Receiving Data with 3964(R)41
Handling Corrupt Data46
Commissioning the CP 44049
Mounting the CP 44053
CP 440 Slots53
Mounting and Dismounting the CP 44053
Installation Steps54
Removal Steps54
Configuring and Parameter Assignment the CP 44055
Assigning Parameters to the CP 44055
Installing the Programming Interface56
Parameters for the Communications Protocols56
Configuration Data57
Introduction57
Basic Parameters of the CP 44057
Configuration Data of the ASCII Driver58
Configuration Data of the 3964(R) Procedure63
Managing the Parameter Data68
Firmware Updates69
Subsequent Loading of Firmware Updates69
Viewing the Firmware Version71
Communication Via Function Blocks73
Overview of the Function Blocks73
Notes on Program Structure75
Using the Function Blocks75
S7 Transmits Data to a Communication Partner, 10 SEND_440 FB76
S7 Receives Data from a Communication Partner, 9 RECV_440 FB79
Deleting the Receive Buffer (11 "RES_RECV" FB)82
Programming the Function Blocks85
Supplying the Block Parameters85
General Information on Program Processing88
Technical Specifications of the Function Blocks89
Startup Characteristics and Operating Mode Transitions of the CP 44091
Operating Modes of the CP 44091
Startup Characteristics of the CP 44091
Behavior of the CP 440 on Operating Mode Transitions of the CPU92
Behavior of the Sender Line Drivers of the Serial Interface During Particular Operating Modes of the CP 44093
Diagnostics with the CP 44095
Diagnostics Functions of the CP 44095
Diagnostics Via the Display Elements of the CP 44096
Diagnostics Messages of the Function Blocks97
Diagnostics Via the Diagnostic Buffer of the CP 440104
Programming Example for Standard Function Blocks107
General Information107
Device Configuration107
Settings108
Blocks Used108
Installation, Error Messages111
Activation, Startup Program and Cyclic Program111
CP440 SEND RECV" Program Example111
CP440 1 CYC" Program Example113
CP440 ASCII BCC" Program Example113
CP440 MASTER" Program Example114
CP440 SLAVE" Program Example115
Technical Specifications117
Technical Specifications of the CP 440117
Standards and Approvals120
Currently Valid Markings and Approvals120
CE Approval121
CCC Approval122
UKCA Approval122
Explosion Protection123
Culus Approval124
Culus HAZ. LOC. Approval124
Cfmus Approval124
Approval for Australia and New Zealand125
Approval for the Korea and South Korea125
Connecting Cables127
X27 (RS 422/485) Interface of the CP 440127
Cables127
Accessories and Order Numbers133
Literature135
Literature on SIMATIC S7135
Index137

Siemens Simatic S7-400 - Technical Specifications

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