
10.FUNCTION FOR THREE-DIMENSIONAL PROCESSING SYSTEM B-63192EN/03
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10.2 TEACHING BOX INTERFACE
The CNC can be connected to a teaching box interface in the machine
through a serial interface. The CNC can send teaching data requested
by the teaching box (TB). It can also receive commands generated by
teaching from the teaching box, and store them as a program.
RS-232C
CNC
TB
The teach function performs the following.
(1) Conversational mode
(a) When the teaching box sends data to the CNC
Header + data
Header + completion code
CNC
TB
(b) When the teaching box requests data from the CNC
Header + data
Header + completion code + data
CNC
TB
(2) Communication format
When the CNC receives data from the teaching box;
DC2 Header Data DC4Data Data
When the CNC sends data to the teaching box;
DC2 Header
cknowledge
code
Data Data DC4
1 The following communication is possible by the header.
ASCII A : Confirmation of the conversation
B : Sends DI
C : Sends DO
D : Machine position data (workpiece
coordinates)
E : Requests data for laser setting
F : Registers data for laser setting
G : Current program number (program number,
sequence number, block number from the first
block)
H : Registers the program number
I : Deletes the program number
J : Reads the specified block