Position
Name
Function
9
«Accept»
Enters edit mode.
Exits the edit mode and saves.
Acknowledge the message.
Only affects the value in the third line of the display.
Tab. 26 Keys
Indicators
Fig. 9 Indicators – overview
Position
Name
Function
12
Display
Alphanumeric display with 4 lines.
13
Fault
Flashes red when an alarm occurs.
Lights continuously when acknowledged.
15
Warning
Lights yellow for:
■ maintenance work due,
■ Warning messages
16
Controller voltage
Lights green when the power supply is switched on.
19
ON
Lights green when the machine switched on.
Tab. 27 Indicators
4.8 Functional description – SIGMA CONTROL BASIC
4.8.1 Display layout
x x . x
b a r
Line 1
y y ° C
Line 2
z 0 0 0 0
h
Line 3
1 2 3 4 5 6 7 8 S p T i
Line 4
4
Design and Function
4.8
Functional description – SIGMA CONTROL BASIC
30
Operator Manual Screw Compressor
AIRTOWER 3C–7.5C Tri-Voltage
9_6917 34 USE