
7.THREE-DIMENSIONAL MACHINING SYSTEM LASER FUNCTION B-64663EN/01
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- Conversation mode
One conversation session consists of two communication phases. The
conversation begins when the teaching box requests it, and the CNC
responds to the request.
(a) When the teaching box sends data to the CNC
CNC TB
Header plus data
Header plus completion code
(b) When the teaching box requests data from the CNC
CNC TB
Header plus data
Header plus completion code
plus data
- Transmission format
One transmission message is configured as shown below.
DC2 Header Data Data
Data DC4
(a) The transmission message must begin with DC2 and end with
DC4.
- Headers
(b) Headers
ASCII A: Conversation check
B: DI transmission
C: DO transmission
D: Machine position data (workpiece coordinates)
E: Laser setting data request
F: Laser setting data registration
G: Current program number (program number,
sequence number, the number of blocks relative to
the start block)
H: Program number registration
I: Program number deletion
J: Specified-block read
K: Specified-block write (insertion)
L: Specified-block deletion
M: Sequence number search
N: MDI operation request
O: Nozzle-tip machine position data
P: Three-dimensional conversion data request
Q: Three-dimensional conversion data registration
R: Expansion nonvolatile memory read
S: Expansion nonvolatile memory write
T: Step forward
U: Step reverse