Chapter 3. Communications Operations Of Bht-4000 - Denso BHT-4000 User Manual

Communications Operations of BHT-4000
This chapter describes the communications operations of the BHT-4000--the RS-232C
interface specifications, the basic communications specifications, and the BHT-
protocol--for data transmission with the host computer or other devices.
3.1 RS-232C Interface Specifications .................................................................................... 72
3.1.1 For CU-4000 ................................................................................................................. 72
3.1.2 For BHT-4000 ............................................................................................................... 75
3.2 Basic Communications Specifications and Parameters ................................................ 77
3.2.1 Basic Communications Specifications ...................................................................... 77
3.2.2 Communications Parameters ..................................................................................... 80
3.3 BHT-Protocol ..................................................................................................................... 81
3.3.1 Overview ...................................................................................................................... 81
3.3.2 Control Characters ...................................................................................................... 82
3.3.3 Basic Format of Transmission Messages .................................................................. 84
3.3.4 Transmission Control Sequences .............................................................................. 85
3.3.5 Aborting Data Transmission ....................................................................................... 93
3.3.6 BCC for Horizontal Parity Checking ........................................................................... 94
3.3.7 Text Format .................................................................................................................. 95

Chapter 3. Communications Operations of BHT-4000

Chapter 3
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