Athena 2000 Series Посібник з експлуатації - Сторінка 8
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Layout of the front panel is shown below. To reach the adjustments, swing the top of the door forward and
down. The proportional band adjustment is on the right side and sets the gain of the controller. The offset
Front Panel
(manual reset) adjustment is on the left and corrects for offsets from the setpoint temperature. The output
Layout
indication (LED) can be seen through a window in the door.
Units ordered with Option A (3-Mode PID) will not have a manual reset adjustment. Instead, these units
have an automatic rate adjustment on the front panel and an automatic reset selector switch inside the unit.
Output Function
Switches
NOTE: Reconfigured
or field-modified units
should always be
checked to assure
that output switch
positions are correct
—Switch No. 4 in "ON" position is for "B" or "T" outputs when driving mechanical devices such as
contactors.
—Switch No. 4 in "OFF" position is for "T", "F", or "S" outputs when driving devices that can withstand rapid
cycling, such as solid state devices , solenoids, etc.
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Figure 5a. Bottom board illustration
Figure 4. 2000 shown with open door
Figure 5b: Output Function Switch Chart