Page 12
Landcal P80P
Calibration Source
User Guide
The parameters within Level 2 are:
1) Press the scroll button.
SP.RAT
(setpoint rate limit) is displayed. This is
set to
OFF
, but is adjustable.
2) Press the scroll button.
OP.HI
(maximum power output setting) is
displayed. This is set to
100.0
, but is adjustable downwards.
3) Press the scroll button.
ADDR
(communications address) is displayed.
This is set to 1 and is adjustable.
4) Press the scroll button.
UNITS
(display units) is displayed. This is used
to select °C or °F operation.
To return to the Level 1 mode of operation:
1) Press and hold the
Page
key.
2) Press the down key to select
Leu 1
.
9.2 Altering the Setpoint
1) Press either the
Down
or
Up
key once to display the setpoint.
2) Use the
Down
or
Up
key to adjust the setpoint value.
The display returns to the measured temperature when no key is
pressed for 0.5 seconds.
9.3 Altering the Ramp Rate
1) Press the
Scroll
key until
SP.RAT
(SetPoint ramp rate) is displayed.
2) Use the
Down
or
Up
key to adjust the ramp rate value.
The ramp rate sets the maximum rate of heating or cooling in degrees
per minute. A value of
OFF
cancels the ramp rate, allowing heating and
cooling at the maximum rate.
9.4 Altering the Power Limit (when applicable)
1) Press the
Scroll
key until
OP.Hi
(Output High) is displayed.
2) Press the
Down
key once to display the value of
OP.Hi
...and write
down the value.
Warning
Do not increase the value without correct calculation: the
furnace elements or wiring could burn out.
3) To alter the value, use the
Down
or
Up
key. Do not set the value to
zero: this will prevent the furnace from heating.
9.5 °C to °F Conversion
To change the controller from °C to °F operation:
1) Press the
Scroll
key until
UNITS
is displayed.
2) Use the
Down
or
Up
key to select the required units of measurement.