Fig. 4 System structure
1
Machine enclosure
2
Control cabinet
3
Main Control System
4
Input/output module
5
I/O bus
6
Inputs/outputs in the interior of the control
cabinet
7
Inputs/outputs in the interior of the blowers
8
Inputs/outputs for external sensors
9
Compressor
Function
The control and regulating function allows:
■ Automatic changeover of the machine from LOAD to IDLE or READY.
■ OFC/SFC: Optimum utilisation of the drive motor in relation to the user's actual air demand.
■ Automatic restart of the machine after a power failure (can be activated).
The monitoring function allows:
■ Supervision of all maintenance-relevant components via the maintenance interval counters.
■ Display of warning and maintenance messages for due maintenance on the display of
the SIGMA CONTROL 2.
The protective function allows:
■ Automatic machine shutdown on alarms that may lead to damage to the machine, e.g. overcur‐
rent, overpressure, overtemperature.
5
Design and Function
5.2
The controller
No.: 901700 14 E
Service Manual Controller
SIGMA CONTROL 2 BLOWER ≥ 4.0.X
21
Содержание SIGMA CONTROL 2
Страница 2: ...KKW SSC 2 15 en IBA SIGMA CONTROL BLOWER KKW SSC 2 15 20220810 080650...
Страница 8: ...List of Illustrations vi Service Manual Controller SIGMA CONTROL 2 BLOWER 4 0 X No 901700 14 E...
Страница 12: ...List of Tables x Service Manual Controller SIGMA CONTROL 2 BLOWER 4 0 X No 901700 14 E...