Table of Contents
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Table of contents
Preface ........................................................................................................................................................ 3
1
Product Description . ................................................................................................................................. 13
1.1
Uses of the CP 440. ....................................................................................................................13
1.2
Components Required for a Point-to-Point Connection with the CP 440 . ..................................15
1.2.1
Required Hardware Components . ..............................................................................................15
1.2.2
Required Software Components. ................................................................................................16
1.2.3
Incompatible CPU versions. ........................................................................................................16
1.3
Design of the CP 440. .................................................................................................................18
1.4
Features of the X27 (RS 422/485) Interface. ..............................................................................20
2
Basic Principles of Serial Data Transmission. ........................................................................................... 21
2.1
Serial Transmission of a Character . ...........................................................................................21
2.2
Transmission Procedure with a Point-to-Point Connection . .......................................................25
2.3
Transmission integrity . ................................................................................................................27
2.4
Data Transmission with the ASCII Driver . ..................................................................................30
2.4.1
Data Transmission with the ASCII Driver . ..................................................................................30
2.4.2
Sending Data with the ASCII Driver. ...........................................................................................31
2.4.3
Receiving Data with the ASCII Driver . ........................................................................................33
2.4.4
Topologies Between the Communication Partners. ....................................................................40
2.5
Data Transmission with the 3964(R) Procedure. ........................................................................43
2.5.1
The Control Characters of the 3964(R) Procedure. ....................................................................43
2.5.2
Block Checksum .........................................................................................................................44
2.5.3
Sending Data with 3964(R). ........................................................................................................45
2.5.4
Receiving Data with 3964(R) . .....................................................................................................48
2.5.5
Handling Corrupt Data . ...............................................................................................................53
3
Commissioning the CP 440 . ..................................................................................................................... 57
4
Mounting the CP 440 . ............................................................................................................................... 61
4.1
CP 440 slots. ...............................................................................................................................61
4.2
Mounting and Dismounting the CP 440 . .....................................................................................62
4.2.1
Installation steps . ........................................................................................................................62
4.2.2
Removal steps ............................................................................................................................63
Point-to-point connection CP 440 Installation and Parameter Assignment
Manual, 09/2007, A5E00057742-03
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