Item
Description
Function
9
«enter»
Enters edit mode.
Exits the edit mode and saves.
Only affects the value in the third line of the display.
Tab. 24 Keys
Fig. 13 Indicators
Item Description
Function
12
Display field
Alphanumeric display with 4 lines.
13
Alarm
Flashes red when an alarm occurs.
Lights continuously when acknowledged.
15
Warning
Lights yellow for:
■ maintenance work due,
■ warning messages
16
Controller power Lights green when the power supply to the controller is switched on.
19
Machine ON
Lights green when the machine switched on.
Tab. 25 Indicators
4.11 SIGMA CONTROL BASIC function
4.11.1 Display layout
xx.x psig
Line 1
yy °F
Line 2
z 0000 h
Line 3
12345678SpTi
Line 4
Line Display Meaning
1
xx.x
Current system pressure in bar, psi or MPa.
2
yy
Current airend discharge temperature (ADT) in °C or °F.
3
z
Display of parameters and their settings (see table 27)
4
Design and Function
4.11 SIGMA CONTROL BASIC function
28
Service manual Screw compressor
Aircenter SX 3/7.5 SIGMA CONTROL BASIC
Number: 9_6945 01USE