Sterlco SDAP 90-225 CFM Series Drying and Conveying Systems - Manual (Page 38)

Page 38 SDAP Series PD 2 to PD 4 Drying and Conveying Systems
4-14 PLC LED Indicators
Input LED Indicators
System Start/Sequence Shutdown (
I/0)
When ON , activates the operation of the dryer portion.
Compressed Air Input (
I/1)
This input point is jumpered because this unit does not contain the feature thereof.
Process Blower Enable (
I/2)
Confirms the operation of the process blower.
Bed Switch Set Point Input (
I/4)
Since this is strictly a time base unit, this device is jumpered so that it constantly yields power to
this input point.
High Regen Temp Alarm, Right Bed (
I/5)
When OFF, indicates a situation of a temperature exceeding the set level in the right regen bed.
High Regen Temp Alarm, Left Bed (
I/6)
When OFF, indicates a situation of a temperature exceeding the set level in the right regen bed.
Universal Alarm Input (
I/7)
Not used here.
High Process Temp Alarm (
I/8)
When ON, sends the information to the PLC to be used later in forming alarm procedure.
Push To Silence (
I/9) (Optional)
When the existing rocker switch is pressed, the audible horn will be silenced and flashing strobe
will be turned off. Also, it serves as an alarm acknowledgment.
Machine Loader Power On (
I/10)
When ON, enables the Machine Loader conveying process.
Machine Loader Demand Proximity Switch (
I/11)
When ON, indicates a demand in the sight glass loader; this activates the conveying cycle.