Identifying Process Air Temperature Controller Led Indicators - AEC AD Series Operation And Installation Manual

5-3 Identifying Process Air Temperature Controller
LED Indicators
Process Value Numeric LED
—— PV ——
Set Value Numeric LED
—— SV ——
OUT1 - Lit when Control Output 1 is on.
OUT2 - Lit when Control Output 2 is on.
AT - Flashes during auto-tuning in process value (PV) screen.
ALARM1 - Lights in the Operation Indicator Section when the output function
assigned to auxiliary output 1 turns on.
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During normal operation, the process value (
indicator displays the process temperature at the
thermocouple. It also lists parameters during setup and error
messages if any errors occur.
During normal operation, the set value (
indicator displays the process set point temperature selected for the
dryer. The dryer then maintains this set point temperature. This
LED indicator also displays parameter and pre-set function values
during configuration setup.
The indicator lights when the controller signals the process
Out1
heaters to be energized.
Not used in this application.
Press and hold the beige Level Key (for 1 second) when the
controller is in default mode and the set value will flash. Press the
up and down
The indicator lights when the process temperature
ALARM1
exceeds the set point temperature by more than the alarm deviation
value. Alarm output de-energizes the heaters. Heaters re-energize
when the temperature falls within the acceptable range.
) numeric LED
PV
To Process
) numeric LED
SV
keys to set the values.
AD Series Dehumidifying Dryers