LAMBDA DG-4 & 5 PLUS/USB OPERATION MANUAL – REV.
37
If the platform on which your application is running is “Big Endian” (“Motorola”), then
these U16 position values must have their bytes reverse-ordered after receiving from, or
before sending to, the Lambda DG-4/5 Plus/USB. Examples of Big Endian platforms include
most all non-Intel-based systems, LabVIEW (regardless of system & operating system), and
Java (programming language/environment).
Command Reference: The following table lists all the external-control commands for the
Lambda DG-4/5 Plus/USB. The commands apply equally to the parallel, serial, and USB
ports.
Table 4-3. DG-4-Only Filter Position Movement Commands (no return data).
Nominal Filter Pos. Alt-
key-
pad
entry
Ctrl
char
ASCII/
-ANSI
def./-
char.
Phys.
Filter
Pos.
Move On
…
Atte-
nua-
tion
Details
Dec. Hex Binary
0 00 00000000 -0000 ^@
0 Command 0%
Move on command to non-filter pos. where light is blocked
(shutter closed)
1 01 00000001 -0001 ^A
1 Command
100%
Move on command to 1
st
filter (25mm) at full
2 02 00000010 -0002 ^B
2 Command
100%
Move on command to 2
nd
filter (25mm) at full
3 03 00000011 -0003 ^C
3 Command
100%
Move on command to 3
rd
filter (25mm) at full
4 04 00000100 -0004 ^D
4 Command
100%
Move on command to 4
th
filter (25mm) at full
5 05 00000101 -0005 ^E
1 Command
50%
Move on command to 1
st
filter (25mm) at half
6 06 00000110 -0006 ^F
2 Command
50%
Move on command to 2
nd
filter (25mm) at half
7 07 00000111 -0007 ^G
3 Command
50%
Move on command to 3
rd
filter (25mm) at half
8 08 00001000 -0008 ^H
4 Command
50%
Move on command to 4
th
filter (25mm) at half
9 09 00001001 -0009 ^I
1 Command
33%
Move on command to 1
st
filter (25mm) at 1/3
10 0A 00001010 -0010 ^J
2 Command
33%
Move on command to 2
nd
filter (25mm) at 1/3
11 0B 00001011 -0011 ^K
3 Command
33%
Move on command to 3
rd
filter (25mm) at 1/3
12 0C 00001100 -0012 ^L
4 Command
33%
Move on command to 4
th
filter (25mm) at 1/3
13 0D 00001101 -0013 ^M
(Unused)
14 0E 00001110 -0014 ^N
(Unused)
15 0F 00001111 -0015 ^O
(Unused)
16 10 00010000 -0016 ^P
0 Trigger 0%
Move on command to non-filter pos. where light is blocked
(shutter closed)
17 11 00010001 -0017 ^Q
1 Trigger
100%
Move on trigger to 1
st
filter (25mm) at full
18 12 00010010 -0018 ^R
2 Trigger
100%
Move on trigger to 2
nd
filter (25mm) at full
19 13 00010011 -0019 ^S
3 Trigger
100%
Move on trigger to 3
rd
filter (25mm) at full
20 14 00010100 -0020 ^T
4 Trigger
100%
Move on trigger to 4
th
filter (25mm) at full
21 15 00010101 -0021 ^U
1 Trigger
50%
Move on trigger to 1
st
filter (25mm) at half
22 16 00010110 -0022 ^V
2 Trigger
50%
Move on trigger to 2
nd
filter (25mm) at half
23 17 00010111 -0023 ^W
3 Trigger
50%
Move on trigger to 3
rd
filter (25mm) at half
24 18 00011000 -0024 ^X
4 Trigger
50%
Move on trigger to 4
th
filter (25mm) at half
25 19 00011001 -0025 ^Y
1 Trigger
33%
Move on trigger to 1
st
filter (25mm) at 1/3
26 1A 00011010 -0026 ^Z
2 Trigger
33%
Move on trigger to 2
nd
filter (25mm) at 1/3
27 1B 00011011 -0027 ^[
3 Trigger
33%
Move on trigger to 3
rd
filter (25mm) at 1/3
28 1C 00011100 -0028 ^\
4 Trigger
33%
Move on trigger to 4
th
filter (25mm) at 1/3
29 1D 00011101 -0029 ^]
(Unused)
Summary of Contents for Lambda DG-4Plus/USB
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