Bosch DCN Next Generation Manuale Utente Scaricare il pdf (Pagina 6)

DCN Next Generation Open Interface Release 2.4 General

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Bosch Communications Systems | 2007 February | SRS_INF | Du010933

Table of Contents

1. Introduction ............................................................................................................................................. 8

1.1 Purpose......................................................................................................................................... 8

1.2 Scope............................................................................................................................................ 8

1.3 References ................................................................................................................................... 9

1.4 Overview ....................................................................................................................................... 9

2. System setup......................................................................................................................................... 10

2.1 Use of serial and TCP/IP port..................................................................................................... 10

2.2 Requirements ............................................................................................................................. 11

2.3 Hardware connection.................................................................................................................. 11

2.3.1 CCU............................................................................................................................... 11

2.3.2 NCO............................................................................................................................... 11

3. Message format..................................................................................................................................... 12

3.1 Conventions................................................................................................................................ 12

3.2 Serial line message layout.......................................................................................................... 12

3.2.1 Format of type MDSC_REMOTEPROCEDURE_REQ ................................................. 13

3.2.2 Format of type MDSC_REMOTEPROCEDURE_RSP.................................................. 13

3.2.3 Format of type MDSC_NOTIFY ....................................................................................14

3.2.4 Format of type MDSC_COMMUNICATION_PARAMS................................................. 14

3.3 Ethernet message layout ............................................................................................................15

3.3.1 Format of type MESSAGETYPE_OIP_KeepAlive ........................................................ 16

3.3.2 Format of type MESSAGETYPE_OIP_ResponseProtocolError ................................... 16

3.3.3 Format of type MESSAGETYPE_OIP_Dcn .................................................................. 17

3.3.4 Buffer overflow............................................................................................................... 17

4. Protocol description ............................................................................................................................. 18

4.1 Serial Line Protocol Description .................................................................................................18

4.1.1 Data packet format ........................................................................................................18

4.1.2 ‘Full’ feature protocol ..................................................................................................... 18

4.1.2.1 Header format .................................................................................................. 19

4.1.2.1.1 Packet type definitions ........................................................................ 19

4.1.2.2 Checksum calculation ...................................................................................... 20

4.1.2.3 Escape Byte handling ......................................................................................21

4.1.2.4 Protocol handling ............................................................................................. 21

4.1.2.4.1 Negative Acknowledge handling......................................................... 22

4.1.2.4.2 Timing values...................................................................................... 23

4.1.2.4.3 Special Conditions .............................................................................. 23

4.1.2.4.4 Heartbeat for connection checking ..................................................... 24

4.1.3 ‘Simple’ feature protocol................................................................................................24

4.1.3.1 Timing values ................................................................................................... 25

4.1.3.2 Header format .................................................................................................. 25

4.1.3.3 Checksum calculation ...................................................................................... 25

4.1.3.4 NAK Message definition................................................................................... 25

4.2 Ethernet Protocol Description..................................................................................................... 26

4.2.1 Open interface protocol ................................................................................................. 26

4.2.1.1 Set-up a connection ......................................................................................... 26

4.2.1.2 Heartbeat.......................................................................................................... 26

4.2.1.3 Timing values ................................................................................................... 26

4.3 Remote function execution ......................................................................................................... 26

4.4 Control flow with multiple remote controller’s ............................................................................. 27

5. Remote Functions................................................................................................................................. 29

5.1 Remote function handling...........................................................................................................29

5.2 Simultaneous operation from Control PC and Remote Controller ............................................. 29

Appendix A. Protocol, serial port & TCP/IP setting............................................................................... 31