CAS AD series - CHAPTER-VII THE OTHERS; SERIAL INTERFACE PROTOCOLS

CHAPTER-VII THE
OTHERS
A. FOR THE SERIAL INTERFACES
THE PROTOCOLS FOR THE CAS STANDARD SERIAL INTERFACE
THIS IS HALF-DUPLEX COMMUNICATION RS-232C.
A. 1 THE COMMUNICATION AGREEMENTS
l.BAUD RATE -> 9,600 EPS
2.DATA BIT -> 8 BIT
3.STOP BIT -> 1 BIT
4.PARITY BIT -> NO
5.COMMUNICATION LEVEL -> RS-232C LEVEL
6.DATA FORMAT -> ASCII
7.THE COMMAND DEFINITIONS
7-1."ENQ" -> 05H 7-7. "EOT" -> 04H
7-2."ACK" -> 06H 7-8. "DC1" -> 1IH
7-3."NAK" -> 15H 7-9. "DC2" -> 12H
7-4."SOH" -> 01H 7-10."DC3" -> 13H
7-5."STX" -> 02H 7-11. "DC4" -> 14H
7-6."ETX" -> 03H
A.2 THE WIRE CONNECTIONS
A.2.1 THE WIRE CONNECTIONS OF THE D-SUB 9 PIN CONNECTOR OF A COMPUTER SIDE