JDS Uniphase RX3 Series, Руководство пользователя

Страница: 49 / 55

36
Command Operation
(table continued)
A08E Switch to Backreflection mode.
A09E Measure dark signal
2
.
A11E TO A30E Set output channel (command = channel number 10).
A41E Select 1.3 source if available.
A42E Select 0.85 source if available.
A45E Set relative power reference.
A46E Perform SETUP measurements.
A47E Measure BR
0
3
.
A50E Set BR
0
to 99.9 dB
3
.
A51E Initialize meter
4
.
A99E Enable keypad.
1
Same as key.
2
Valid in Power mode only.
3
Valid in BR mode only.
4
Same as initialize.
When the keypad is locked out, the computer controls the meter and the only key that functions
on the meter is the I/O (on/off) key.
Programming Examples
GPIB Interface Programming Example
The following sample program, written in MS-DOS
2
Qbasic, controls the RX3 meter. It can be
used with an IOTECH GP4**A interface board.
All GPIB messages must end with the terminating sequence <CR> <LF>.
10 OPEN "\DEV\IEEEOUT" FOR OUTPUT AS #1
20 OPEN "\DEV\IEEEIN" FOR INPUT AS #2
30 PRINT #1, "TERM CR LF" ' set terminating characters
' (IOTECH)
40 PRINT #1, "CLEAR 05" ' interface clear
50 PRINT #1, "REMOTE 05" ' lockout keypad
60 PRINT #1, "OUTPUT 05; A08E" ' backreflection mode
70 PRINT #1, ENTER 05 ' read measurement
80 INPUT #2, READING$
90 PRINT READING$ ' display measurement
100 PRINT #1, "LOCAL 05" ' enable keypad
2
MS-DOS is a trademark of Microsoft Corporation
.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com