Fig. 6 MCS system design with IOM
1
Machine enclosure
2
Control cabinet
3
SIGMA CONTROL 2 (Prepared for con‐
nection to control centre)
4
Input-Output-Module (IOM):
5
I/O bus
6
Inputs/outputs in the interior of the control
cabinet
7
Inputs/outputs in the interior of the com‐
pressor
8
Inputs/outputs for external sensors
9
Compressor
Fig. 7 MCSIO system design
1
Machine enclosure
2
Control cabinet
3
SIGMA CONTROL 2 (Connection to con‐
trol technology not provided)
6
Inputs/outputs in the interior of the control
cabinet
7
Inputs/outputs in the interior of the com‐
pressor
8
Inputs/outputs for external sensors
9
Compressor
Function
The control and regulating function allows:
■ Automatic changeover of the machine from LOAD to IDLE (not for SXC) or READY.
■ Optimum utilisation of the motor adjusted to the actual compressed air demand
■ Automatic restart of the machine after a power failure (can be deactivated)
5
Design and Function
5.1
Controller overview
No.: 9_9450 12 E
User Manual Controller
SIGMA CONTROL 2 SCREW FLUID ≥5.0.X
21