AEC VacTrac Series Conveying Systems - Manual (Page 25)

Page 24 12-Station Controllers VacTrac™ Conveying Systems
Segment 3
Located on the bottom of the station icon, the lower segment
indicates the station demand input. This is a real time indicator,
displaying when the station demand input is active. This indicator
may toggle on and off during the load cycle, and should be
considered normal.
Segment 4
Segment 4 is the indicator word ON , located below the station
icon. When ON displays, the related station loads when the system
senses a demand signal. When ON does not display, the station
demand input signal is ignored and the related station does not
load. Segment 4 blinks with Segment 2 in a high vacuum
condition
.
Status Indicators
Four (4) status indicators are located below the station icons at the
bottom of the display. These indicators include
PUMP ,
BLOWBACK , HIGH VACUUM , and SYSTEM . Each icon word has
a 1 and a 2 icon with it, indicating Pump 1 or Pump 2.
Figure 4
Status Indicator Icons
CHECK SYSTEM BLOWBACK 1 PUMP 2 2 1 1 HIGH VACUUM 2 2 1
PUMP Status Indicator
The PUMP status indicator specifies an active pump. PUMP
displays when any pump is active, and the 1 or 2 icon indicates
which (or both) pump is active.
BLOWBACK Indicator
When enabled during the Blowback sequence, the BLOWBACK
icon displays. The 1 or 2 icon indicates the activity of the
blowback solenoid.
1 PUMP 2
BLOWBACK 2 1