KAESER SIGMA CONTROL 2 User Manual

9.1.2 Switching off
1. Press the «OFF» key.
The machine switches to IDLE (not for AIRTOWER) and the ON LED flashes. The
SIGMA CONTROL 2 display shows Stopping . The ON LED extinguishes as soon as the auto‐
matic shut-off action is completed.
2. Switch off and lock out/tag out the power supply disconnecting device.
Result The Controller voltage LED extinguishes. The machine is switched off and disconnected from the
power supply.
In rare cases, you may want to shut down the machine immediately and cannot wait until the
automatic shut-down process is finished.
➤ Press «OFF» once again.
9.2 Switching off in an emergency
The EMERGENCY STOP push button is located below the controller
2)
.
2)
Does not apply to i.Comp
Fig. 41 Switching off in an emergency
22 EMERGENCY STOP push button
Switching off
➤ Press the EMERGENCY STOP push button.
After actuating the EMERGENCY STOP push button, the machine is shut down. However,
the machine is still connected to the electrical power supply.
Result The EMERGENCY STOP push button remains latched after actuation.
The compressor's pressure system is vented and the machine is prevented from automatically re-
starting.
Switching on
Precondition The fault has been rectified
9 Operation
9.2 Switching off in an emergency
No.: 9_9450 13 USE
User Manual Controller
SIGMA CONTROL 2 SCREW FLUID ≥5.1.2
175

KAESER SIGMA CONTROL 2 Specifications

General

Controller Type	Microprocessor-based
Model	SIGMA CONTROL 2
Manufacturer	KAESER
Input Voltage	24 V DC
Protection Class	IP54
Communication Protocols	Modbus, Profibus
Data Logging	Comprehensive data logging
Remote Monitoring	Yes
Communication Interface	Ethernet