Agilent Technologies 75000 Series Service Manual page 39

NOTE
Example Program
10 ! RE-STORE "OFFSET_DAC"
20 DIM Nominal(1:5)
30 !
40 !---------- Set up I/O path ----------
50 ASSIGN @Amp TO 70911
60 ASSIGN @Dmm TO 722
70 !
80 !---------- Initialize variables ----------
90 READ Nominal(* )
100 !
110 !---------- Set up DMM ----------
120 OUTPUT @Dmm;"PRESET NORM;DCV;RANGE AUTO"
130 DISP "Connect DMM to Main Output, then press 'Continue'"
140 PAUSE
150 CLEAR SCREEN
160 !
170 !---------- Set up amplifier ----------
180 OUTPUT @Amp;"* RST;* CLS" !Reset amplifier
190 WAIT .5
200 !
Continued on next page
2-20 Verification Tests
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Because the DMM is a high-impedance load, the reading should be equal
to twice the amplifier's offset voltage setting.
Table 2-2. Offset DAC Test Points
Offset Voltage Expected reading
(VDC)
-10.0
-5.0
0.0
5.0
9.9996
(VDC)
-20.0
-10.0
0.0
10.0
19.9992