Sterlco SDAP 90-225 CFM Series Drying and Conveying Systems - Manual (Page 33)

SDAP Series PD 2 to PD 4 Drying and Conveying Systems Page 33
OUT1 - Lit when control output 1 turns on.
The OUT indicator lights when the controller signals the process heaters to be energized.
OUT2 - Lit when control output 2 turns on.
Not used in this application.
MANU - Lit when the manual operation mode is being used.
STOP - Lit when control operation has been stopped.
Not used in this application.
RMT - Lit during remote operation.
Not used in this application.
AT - Flashes during auto-tuning.
SUB1 Lit when the output function assigned to auxiliary output 1 turns on.
The SUB1 indicator lights when the process temperature exceeds the set point temperature by
more than the alarm deviation value. This alarm output de-energizes the heaters. Heaters re-
energize when the temperature falls within the acceptable range.
4-7 Identifying Temperature Controller Keys
Display Key
This key shifts the display to the next set of parameters. Then, the menu screen displays.
Down Key
The Down arrow key lets you lower the process air set point temperature. During setup, it lets
you decrease the value of the parameter displayed on the set point LED readout.
Up Key
The Up arrow key lets you raise the process air set point temperature. During setup, it lets you
increase the value of the parameter displayed on the set point LED readout.
AT
Auto-Tune Key
Hold down for two seconds to initiate auto-tune. Repeat to cancel.