User Guide

Revision1.0 DN-C635 Serial Interface Specification
Date 2003-01-28 5 page of 39
1.2 Transfer format of serial data
-
Interface RS-232C RS-422A selectable
- Communication system Half-duplex communication
- Data transfer mode Start stop synchronization
- Transfer rate 9,600bps
- Start bit ( ST ) 1 bit
- Data bit ( b0-b7 ) 8 bits
- Parity ( P ) Even number
- Stop bit ( SP ) 1 bit
- Transfer data ASCII code
- Control characters STX (0x02)
ETX (0x03)
NAK (15h)
ACK (06h)
ST b0 b1 b2 b3 b4 b5 b6 b7 P ST
Figure 2. Command Data Array
11/9600 sec