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One approach
to program
writing uses " Building Block"
subprograms
to simplify
programs.
With
this approach,
you
write
a mainline
program
that
uses
sub-
programs
that already exist. The following program
provides seven
measurement
subprograms and an eighth subprogram that sets-up the 3468A
for the measure-
ment, triggers the multimeter, and reads the measurement
data to the calculator.
The seven
measurement
subprograms are used to specify the type of measure-
ment to be made and then branch to the eighth subprogram.
Do not erase the INI68 program before loading the building block program. This is
done by executing the following command
before any other program
is entered:
+) (to) OF
14*LBL "MAIC"
G1*LBL "BLOCKS"
{5 °F5"
Measure Amps DC
@2eLBL "HVDC™
16 GTO 08
@3 "Fie
Measure Volts DC
17¢LBL "MAAC"
4 GTO a8
18 "Fé"
Measure Amps AC
QS¢LBL "NYAC™
19 GTO 88
06 "F2°
M
Volts AC
.
.
a7 GTO 8a
ore
ea
a.
com
} Measure Extended Ohms
QBeLBL "H20HH*
cai
22eLBL 08
09 "F3°
Measureeite: tne
23 "FRAZINAT2" | Label 00. Autorange, Auto:
ia GTO 68
24 OUTA
zero on, 4% Digit
JLieLBL "H40HM~
25 IND
Display,
Single
12 *F4*
Measure 4-Wire Ohms
26 RTH
poe
Inpewy one:
13 GTO 08
27 END.
The subprograms,
by label and function are:
LABEL
FUNCTION
MVDC
Measure Volts DC. MVDC,
along with subprogram 00, sets the 3468A
to take one dc voltage measurement.
MVAC
Measure Volts AC. MVAC, along with subprogram OO, sets the 3468A
to take one ac voltage measurement.
M20HM | Measure
2-wire
ohms.
M2OHM,
along with subprogram
00, sets the
3468A to take one, 2-wire resistance measurement.
M40HM
Measure
4-wire
ohms.
M40HM,
along with
subprogram
OO,
sets the
3468A to take one, 4-wire resistance measurement.
MADC
Measure Amps DC. MADC,
along with subprogram OO to set the 3468A
to take one dc amps measurement.
MAAC
Measure Amps AC. MAAC,
along with subprogram OO to set the 3468A
to take one ac amps measurement.
MXOHM | Measure
Extended
ohms.
MXOHM
uses
subprogram
OO
to
set
the
3468A
to take one, Extended
ohms measurement.
See later example.
47
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