Fluke 410B - Indicators; Input Power; Use

410B
II
2-1-
function
of
external
controls,
termi-
NALS, AND
INDICATORS
’
2-2.
The
function
of external
controls,
terminals,
and
indicators
on the
4I0B is
given
in
Figure
2-1.
2-3.
input
POWER
2-4.
Input
power
to
the
410B
is
115
vac or
230
vac
(±10%),
at
a frequency
of 50
to 60
Hz.
Instruments
are
supplied
for
operation
from
400
Hz
when
requested.
The
410B is
equipped
with
dual
primary
windings
on
transformer
Tl,
which
are
usually
connected
in
parallel
for
operation
from
115
vac.
When
requested,
instru-
ments
are
wired
with
the
primary
windings
connected
in
series
for
operation
from
230
vac.
If it
becomes
de-
sirable
to
change
from
one
operating
voltage
to the
other,
remove
the top
cover
of the
instrument,
and
change
the
jumper
wires
and
the
fuse
as
shown
on
the
transformer
decal.
CONTROL
TERMINAL,
OR
INDICATOR
LOCATION
REFERENCE
DESIGNATION
FUNCTION
POWER
switch
Front
panel
SI
Applies
line
power
to the
control
circuit
and to
the
auxiliary
transformer.
POWER
lamp
Front
panel
DS1
Indicates
the
application
of line
power
to
the
instrument
circuitry.
Fuse
Front
panel
FI
Protects
the
instrument
against
damage
due to
overload.
STANDBY-
RESET
lamp
Front
panel
DS2
This
lamp
illuminates
when
the time
delay
cycle
is
completed
when
the
HIGH
VOLTAGE
switch is
set to
STANDBY-RESET.
HIGH
VOLTAGE
switch
Front
panel
S2
Energizes
and
de-energizes
the primary
of
transformer
T2.
HIGH
VOLTAGE
ON lamp
Front
panel
DS3
This lamp
illuminates
when
the
HIGH
VOLTAGE
switch
is
set
to
ON (after
the
time-delay
cycle
is
completed),
indicating
that
the
high
voltage
is
available
at the
output
connectors.
POLARITY
switch
Front
panel
S7
Used to
select
either
a positive
or
negative
output
with
respect
to
chassis
ground.
This
switch
must
be pulled
out
to turn,
which
interrupts
ac
input
power
to the
instrument.
OUTPUT
VOLTAGE
controls
Front
panel
S3,
S4,
S5,
S6,
& R140
Switches
S3,
S4,
S5,
& S6 select
the output
voltage
in steps
of
1000V,
100V,
10V, and IV,
respec-
tively.
R140
provides
a
continuous
output
of
0 to
1. 2
volts.
Voltmeter
Front
panel
Ml
Indicates
the
output
voltage
from -10.
0 to +10.
0
KV,
Accuracy
is
approximately
3%
of
end scale.
OUTPUT
connector
Front
and
back
panels
J1
and
J2
Provided
for
connecting
the load
circuit
to
the
410B.
Figure 2-1.
FUNCTION
OF EXTERNAL
'CONTROLS,
TERMINALS,
AND
INDICATORS
2-1