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APPENDIX B: EXTERNAL COMMUNICATIONS INTERFACE SPECIFICATION
(1)
CH1 and CH0 are network numbers, where CH1 = number of tens and CH0 =
number of units.
5. Laser Start Command (continued)
(2)
If the laser can be started, [ACK] is returned. If the laser cannot be started, [NAK] is
returned to the host computer. Causes preventing laser start are as follows:
a.
An error has occurred.
b.
HV is turned off.
c.
The capacitor has not been charged to the set voltage.
d.
The system is not selecting external communication control.
(3)
Valid for communication line control only. Return (NAK) for other control modes.
6.
Laser stop command
S
C
C
Host
T
H
H
Computer
X
1
0
Side
Laser
Side
(1)
CH1 and CH0 are network numbers, where CH1 = number of tens and CH0 = number of
units.
(2)
Valid only for communication line control. Return (NAK) for other control modes.
7.
Trouble reset command
S
C
Host
T
H
Computer
X
1
Side
990-605 REV B: May, 1997
E
B
$ 9
T
C
X
C
C
E
B
H
T
C
C 0
0
X
C
LW250 PULSED Nd: YAG LASER
Code: $
C
C
A
H
H
C
or
1
0
K
Code: C 0
C
C
N
H
H
A
1
0
K
B-14
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