
8. DATA INTERFACE B-63322EN-1/01
-52-
8.1
DATA PART
Data received from the host computer is largely classified into two
parts, namely the control part and data part.
With the protocol B/expansion protocol B, all data received from the
host computer become the data part.
See the following figure for the data part of protocol A/expansion
protocol A.
1) Protocol A
Packet configuration of <DAT>
2) Expansion protocol A
Configuration of response packet for <GTD>
8.2
INTERFACE OF DATA PART
The interface of data part is in conformity the provisions of data
which can be handled through the serial port by the CNC.
The end of data part is judged by the detection of EOR code. Also,
all data after EOR code is ignored.
In general, the data part configuration is as shown below. However,
in the case of DNC operation, the data already received will be lost by
the CNC reset.
Sum Command
Data
/
/
Data partControl part
ETX
ETX
Sum
Data
/
/
Data part Control part
ETXNo.
% ; Program-1 M02 ; Program-2 M02 ; .... ; Program-N M02 ; %
Significant information