EVA
Manual
12
118144
‐
001
REV.
A
Figure
3.3
Remote
Monitor
Test
Point
Designations
It
is
recommended
to
use
relay
contacts
for
S1,
S2
and
S3.
Relays
should
be
located
as
close
as
possible
to
the
high
voltage
power
supply.
Coils
should
be
driven
from
isolated
sources.
Signals
are
at
24Vdc,
100mA
max,
and
are
only
to
be
used
for
contact
closure.
S1
must
be
closed
to
enable
HIGH
VOLTAGE
ON.
Momentary
closure
of
S2
will
enable
HIGH
VOLTAGE
ON.
Opening
S1
will
disable
HIGH
VOLTAGE
ON
and
switch
the
unit
to
the
HIGH
VOLTAGE
OFF
mode.
Figure
3.4
Remote
Control
of
Power
ON,
High
Voltage
ON
and
High
Voltage
OFF
