Sensor Power
The control circuit of the EHE series has the ability to provide 12 VDC at up to 10 mA to
power a Hall effect sensor or similar device.
Connect the sensor power leads to terminal 4 (positive) and terminal 8 (negative) of the
terminal block.
Settings
Start with pump in the
WAIT
state. If it is not currently in wait, press
START/STOP
once.
Press
¿
and
EXT
simultaneously.
The
SET
indicator is highlighted and DIG (digital) or ANA (analog) will be displayed.
1.
Set it to digital mode
If DIG is displayed, press
START/STOP
to accept that mode.
You will be returned to the
WAIT
state.
If ANA is displayed, press the
¿
button to change to
DIG
and then press
START/STOP
to enter that choice.
You will be returned to the
WAIT
state.
2.
Set multiply or divide
To set values for digital operation, press
EXT
and
À
simultaneously. The display
will show / or X and a 3 digit number. Now pressing the
EXT
button will
alternate between X (multiply) and / (divide).
3.
Set the value
¿
or
À
will increase or decrease the multiplier or divider. Pressing a button
once will change the value by one. Holding a button down will continuously
increment or decrement the value, slowly at first, then rapidly. Press
START/STOP
to accept values and return to
WAIT
.
Press
EXT
to operate the pump in external mode. The pump will now respond to
the incoming pulse signal. The stroke length can be adjusted manually to set the
volume pumped per stroke.
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