Denso BHT-6000 Manual Do Utilizador

Chapter 3. Communications Operations of BHT-6000

Chapter 3

Communications Operations of BHT-6000

This chapter describes the communications operations of the BHT-6000--the RS-232C
interface specifications, the basic communications specifications, and the communica-
tions protocols--for data transmission with the host computer or other devices.

3.1

RS-232C Interface Specifications ......................................................................................................... 82

[ 1 ]

Interface Connector and Pin Assignment .................................................................................. 82

[ 2 ]

Interface Cable Connection ......................................................................................................... 83

3.2

Basic Communications Specifications and Parameters .................................................................... 84

3.2.1

Basic Communications Specifications .......................................................................................... 84

3.2.2

Communications Parameters ......................................................................................................... 86

3.3

Communications Protocols .................................................................................................................. 87

3.3.1

BHT-protocol .................................................................................................................................... 87

[ 1 ]

Overview ....................................................................................................................................... 87

[ 2 ]

Control Characters ....................................................................................................................... 88

[ 3 ]

Basic Format of Transmission Messages ................................................................................... 90

[ 4 ]

Transmission Control Sequences ............................................................................................... 91

[ 5 ]

Aborting Data Transmission ........................................................................................................ 99

[ 6 ]

BCC for Horizontal Parity Checking .......................................................................................... 100

[ 7 ]

Text Format ................................................................................................................................. 101

3.3.2

BHT-Ir Protocol .............................................................................................................................. 103

[ 1 ]

Overview ..................................................................................................................................... 103

[ 2 ]

Control Characters ..................................................................................................................... 104

[ 3 ]

Basic Format of Transmission Messages ................................................................................. 106

[ 4 ]

Transmission Control Sequences ............................................................................................. 107

[ 5 ]

Aborting Data Transmission ...................................................................................................... 116

[ 6 ]

CRC .............................................................................................................................................. 117

[ 7 ]

ID ................................................................................................................................................. 117

[ 8 ]

Text Format ................................................................................................................................. 118