Fluke 8505A - Page 59

8505A/8506A
TabSe
2A-2.
Programming Instructions
(SS05A, SS06A) (son!)
5.
High
Speed mode
specifies asynchronous, single trigger mode (T2).
The previously selected
trigger
mode
is restored once
High Speed mode is exited,
The
high speed
reading mode
("!”)
cannot be used for any ac volts
function (normal, enhanced, or high
accuracy)
with the
8506A.
Voltage and Current
Reading
In T
The
following scale
factors are used:
FUNCTION
UNITS
RANGE
0
1
2
3
nSElHH
DC Volts (V)
V
1/100*
1/10* 1
64/10*
64
DC
Amps
(1)
mA
-1/80*
-1/10*
-8/10* -64/10* -512*
AC
Volts
(8505A only)
V
n/a
1/8
1 8
64
AC Amps
(8505A
only)
mA
1/64
1/8
1 8
“Differs from
8502A
FUNCTION!
COMMAND CHARACTERS
TheB505A uses
the same
function
command characters
as
those
listed. The “C”
command
(decoupled
ac
volts) can
only be used
when the
True-RMS
Converter (Option
~08A)
is
installed.
When an 8505A
function is changed, the
multimeter
is
configured as
follows:
1. If the
same
function is
re-selected,
the
multimeter assumes
autoranging and
retains all other
existing
modes
and stored
values.
2.
If a
new
function is selected, the following
configuration is
set:
a.
Autoranging (R) is
set.
b.
The existing
trigger mode, sample, and
filter are
retained. However, if
Average mode was
previously
on, it is
turned off, sample is set to S7
and
filter
is
set to FO.
c.
Offset,
External Reference, Scaling,
Limits, and Peaks are
turned off (PO, XO, UO
respectively), with
all respective
values retained.
d. Zero mode
is
toggled
off if a function
other than dc
volts (V) or
ohms (Z) is
selected. If dc volts (V) or ohms
(Z) is
reselected, the
Zero mode state (on
or off) is
restored to that
in effeetthe last
time the function was
selected.
The values of the
temporary zeros
are stored
until the
instrument is reset or
powered off, or
until new temporary
zeros are stored.
e.
Calibration
mode is on or
off
(as
determined
by
the Calibration
Switch setting) and gain
correction
factors
are enabled (MO).
When
an 8506A
function is changed,
the
multimeter
assumes a
configuration defined by
the variety of
both old and
new
functions. One
variety includes dc
volts (V), ohms (Z), and dc amps (I).
The second variety
includes all ac volts
functions
(VA, VA1
,
VA2, C, Cl
,
and
C2).
Four types of
configuration change are
therefore possible. Each of these
changes
resembles that
detailed above for the 8505A,
with the following exceptions:
1.
initial function was
V, Z, or I
—
New
function
is
V,
Z,
or I:
The
8505A
configuration is used.
2A-
23