User`s manual
69
Chapter 3. Communications Operations of BHT-5000
Chapter 3
Communications Operations of BHT-5000
This chapter describes the communications operations of the BHT-5000--the RS-232C
interface specifications, the basic communications specifications, and the BHT-proto-
col--for data transmission with the host computer or other devices.
3.1 RS-232C Interface Specifications .................................................................................... 70
3.1.1 For CU-5000 ................................................................................................................. 70
3.1.2 For BHT-5000 ...............................................................................................................73
3.2 Basic Communications Specifications and Parameters ................................................ 75
3.2.1 Basic Communications Specifications ...................................................................... 75
3.2.2 Communications Parameters ..................................................................................... 78
3.3 BHT-Protocol ..................................................................................................................... 79
3.3.1 Overview ...................................................................................................................... 79
3.3.2 Control Characters ...................................................................................................... 80
3.3.3 Basic Format of Transmission Messages .................................................................. 82
3.3.4 Transmission Control Sequences .............................................................................. 83
3.3.5 Aborting Data Transmission....................................................................................... 91
3.3.6 BCC for Horizontal Parity Checking ........................................................................... 92
3.3.7 Text Format .................................................................................................................. 93