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4. Commands
151
ML-2550A/2551A
Chapter 5 Laser W
elding by External Communication Control (RS-485 CONTROL)
Introduction Part
Operating Part
Maintenance Part
Appendixes
Installation
and
Preparation
Part
4. Commands
This section explains the commands that are used to control laser welding by
external communication.
Code Table
The codes for external communication with a personal computer and the text
structure are as follows. For details, refer to "Setting Data" on page 153 to "Reading
Error No. at Occurrence of Trouble" on page 166.
Control Codes (Hexadecimal Codes)
ACK: 06H NAK: 15H STX: 02H ETX: 03H
BCC (block check code) ... 1-byte horizontal even parity up to ETX excluding STX
Code
Contents
Text structure
W
Setting data
PC to laser
S
T
X
C
H
1
C
H
0
W
L
A
1
L
A
0
S
H
1
S
H
0
D
T
1
D
T
0
: data
E
T
X
B
C
C
Laser to PC
C
H
1
C
H
0
A
C
K
Or
C
H
1
C
H
0
N
A
K
Write data is out of the
setting range or external
communication control is not
performed.
R
Reading data
PC to laser
S
T
X
C
H
1
C
H
0
R
L
A
1
L
A
0
S
H
1
S
H
0
D
T
1
D
T
0
E
T
X
B
C
C
Laser to PC
S
T
X
data
E
T
X
B
C
C
Or
C
H
1
C
H
0
N
A
K
The schedule
No. or data No.
is out of the
range.
WS
Setting the
control method,
SCHEDULE
No., branch
shutter, etc.
PC to laser
S
T
X
C
H
1
C
H
0
W
S
S
H
1
S
H
0
c
n
t
s
1
s
2
s
3
...
s
9
m
o
n
E
T
X
B
C
C
Laser to PC
C
H
1
C
H
0
A
C
K
Or
C
H
1
C
H
0
N
A
K
The specified status cannot
be provided or external
communication control is not
performed.
WM
Setting the
timesharing
unit
PC to laser
S
T
X
C
H
1
C
H
0
W
M
m
1
m
2
m
3
m
4
m
5
E
T
X
B
C
C
Laser to PC
C
H
1
C
H
0
A
C
K
Or
C
H
1
C
H
0
N
A
K
The specified status cannot
be provided or external
communication control is not
performed.
RS
Reading the
control method,
SCHEDULE No.,
branch shutter,
etc.
PC to laser
S
T
X
C
H
1
C
H
0
R
S
E
T
X
B
C
C
Laser to PC
S
T
X
S
H
1
S
H
0
c
n
t
s
1
s
2
s
3
s
4
s
5
s
6
s
7
s
8
s
9
m
o
n
r
d
y
E
T
X
B
C
C
RM
Reading the
timesharing
unit status
PC to laser
S
T
X
C
H
1
C
H
0
R
M
E
T
X
B
C
C
Laser to PC
S
T
X
S
H
1
S
H
0
c
n
t
m
1
m
2
m
3
m
4
m
5
E
T
X
B
C
C
$0
Laser start
command
PC to laser
S
T
X
C
H
1
C
H
0
$
0
E
T
X
B
C
C
Laser to PC
C
H
1
C
H
0
A
C
K
Or
C
H
1
C
H
0
N
A
K
The HV is OFF, the voltage
does not reach the specified
value, trouble occurs, or
external communication
control is not performed.
Содержание ML-2550A
Страница 1: ...AA06M0642E 37 OPERATION MANUAL YAG LASER WELDER ML 2550A 2551A...
Страница 19: ...Introduction Part...
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Страница 37: ...Installation and Preparation Part...
Страница 38: ......
Страница 46: ......
Страница 57: ...Operating Part...
Страница 58: ......
Страница 116: ......
Страница 144: ......
Страница 168: ......
Страница 173: ...Maintenance Part...
Страница 174: ......
Страница 203: ...Appendixes...
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