Athena 2000 Series Manuel d'utilisation - Page 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.

Figure 5a. Bottom board illustration

Figure 4. 2000 shown with open door

Figure 5b: Output Function Switch Chart