Table Of Contents - Siemens SIMATIC CP 340 User Manual

Table of contents

Preface ...................................................................................................................................................... 3
1 Product Description ................................................................................................................................. 11
1.1 Uses of the CP 340......................................................................................................................11
1.2 Components for a Point-to-Point Connection with the CP 340....................................................14
1.2.1 Required Hardware Components ................................................................................................14
1.2.2 Software Components for a Point-to-Point Connection with the CP 340 ....................................15
1.3 Design of the CP 340...................................................................................................................16
1.4 Properties of the serial interface ..................................................................................................18
1.4.1 RS 232C interface of the CP 340-RS 232C ................................................................................18
1.4.2 20mA-TTY interface on the CP 340-20mA-TTY.........................................................................20
1.4.3 X27 (RS 422/485) Interface of the CP 340-RS 422/485 .............................................................21
2 Basic Principles of Serial Data Transmission........................................................................................... 23
2.1 Serial Transmission of a Character .............................................................................................23
2.2 Transmission mode in Point-to-Point Communication.................................................................28
2.3 Transmission integrity ..................................................................................................................30
2.4 Data Transmission with the 3964(R) Procedure..........................................................................32
2.4.1 Control characters........................................................................................................................32
2.4.2 Block Checksum ..........................................................................................................................33
2.4.3 Sending Data with 3964(R)..........................................................................................................34
2.4.4 Receiving Data with 3964(R) .......................................................................................................38
2.4.5 Handling Errored Data .................................................................................................................43
2.5 Data transfer using the ASCII driver ............................................................................................46
2.5.1 RS 232C accompanying signals ..................................................................................................46
2.5.2 Sending Data with the ASCII Driver.............................................................................................50
2.5.3 Receiving Data with the ASCII Driver ..........................................................................................51
2.5.4 BREAK - Monitoring on CP 340...................................................................................................55
2.5.5 Receive Buffer on CP 340 ...........................................................................................................55
2.6 Data transmission with the printer driver .....................................................................................56
2.7 Parameterization Data .................................................................................................................61
2.7.1 Basic parameters of the CP 340 ..................................................................................................61
2.7.2 Parameterization Data of the 3964(R) Procedure .......................................................................62
2.7.3 Parameterization data of the ASCII driver ...................................................................................66
2.7.4 Parameterization data of the printer driver ..................................................................................72
2.7.5 Conversion and Control Statements for Printer Output ...............................................................77
PtP coupling and configuration of CP 340
Manual, 04/2011, A5E00369892-03
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