APPENDIX B: EXTERNAL COMMUNICATIONS INTERFACE SPECIFICATION
LW250 PULSED Nd: YAG LASER
990-605 REV B: May, 1997
B-13
of units.
4. Reading the status (continued)
(3)
cnt is the control mode, where:
0: Panel Control
1: External Control
2: Communication Line Control
3: Maintenance
(4)
s1:
HV:
0 = OFF 1 = ON
s2:
Laser Diode (LD):
0 = OFF 1 = ON
s3:
Main (Resonator) Shutter:
0 = OFF 1 = ON*
Note:
Enter 0 if the main shutter is not installed.
s4:
Branch Shutter 1
0 = OFF 1 = ON
s5
Branch Shutter 2
0 = OFF 1 = ON
s6
Branch Shutter 3
0 = OFF 1 = ON
s4:
Branch Shutter 4
0 = OFF 1 = ON
s5
Branch Shutter 5
0 = OFF 1 = ON
s6
Branch Shutter 6
0 = OFF 1 = ON
s7
Laser Diode Modulation
0 = CW 1 = MOD
(5)
rdy is the READY state, where:
0: Laser start impossible
1: Laser start possible
5.
Laser start command
Code: $ 0
Host
Computer
Side
S
T
X
C
H
1
C
H
0
$ 0
E
T
X
B
C
C
Laser
Side
C
H
1
C
H
0
A
C
K
or
C
H
1
C
H
0
N
A
K