iCU-DC / iCU-EC Operating Instructions
Page - 9
4
Hardware description
4.1 Front side
1 - Emergency stop switch
The emergency stop switch is for switching off the power supply to the stepping
motor output stage in case of danger.
By this we are referring to dangers which could affect the health of the operator or
the safety of the machine.
2 - Power button
Using the you can switch on the voltage supply to the output stages. The pre-
requirements for this are:
-
The power source must be switched on using the backwards “on” switch.
-
The emergency stop switch must be “pulled out”.
When the main voltage is successfully switchted on, this is signalled by the lighted
power button.
3 - Mode Selection Switch (Key switch)
This key switch selects Automatic or Setup mode.
When the emergency stop switch is activated, axle movement is
braked in a controlled manner and the main voltage is switched off
according to Stop Category 1
with a time delay (DIN EN 60204-1).
The 115/230VAC power supply is still connected to the machine.
Only the power supply to the output stage is switched off.