Denso BHT-8000 - Chapter 3 Communications Operations of BHT

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Chapter 3
Communications Operations of BHT
This chapter describes the communications operations of the BHT--the RS-232C interface
specifications, basic communications specifications and communications protocols--for data
transmission with the host PC or other devices.
3.1 Infrared Communication........................................................................................................................................ 122
3.2 RS-232C Interface Specifications .........................................................................................................................123
[ 1 ] Interface Connector and Pin Assignment..................................................................................................123
[ 2 ] Interface Cable Connection......................................................................................................................124
3.3
Basic Communications Specifications and Parameters.........................................................................................125
3.3.1 Basic Communications Specifications.......................................................................................................... 125
3.3.2 Communications Parameters....................................................................................................................... 127
3.4 Communications Protocols ................................................................................................................................... 128
3.4.1 BHT-protocol................................................................................................................................................128
[ 1 ] Overview..................................................................................................................................................128
[ 2 ] Control Characters ...................................................................................................................................129
[ 3 ] Basic Format of Transmission Messages .................................................................................................130
[ 4 ] Text Format..............................................................................................................................................131
3.4.2
BHT-Ir Protocol ............................................................................................................................................133
[ 1 ] Overview..................................................................................................................................................133
[ 2 ] Control Characters ...................................................................................................................................134
[ 3 ] Basic Format of Transmission Messages .................................................................................................135
[ 4 ] Text Format..............................................................................................................................................136