VIFB16 - 03/05
3.3 CONNECTING THE INPUT MODULES
3-34
3. Installation
WARNING
Before installation or maintenance work is car-
ried out, the following must be switched off:
•
the compressed air supply
•
the power supply to the electronic
components (pin 1).
•
the power supply to the outputs/valves
(pin 2).
You thereby avoid:
•
uncontrolled movements of loose tubing
•
undesired movements of the connected
actuators
•
undefined switching states of the electronic
components.
0506b