Festo FB13 - 3.4 Connecting the Input Modules

3.4 CONNECTING THE INPUT MODULES
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.
VIFB13 - 03/05 3. Installation
3-32
9701 NH