Festo Кабели и принадлежности - Manual (Page 31)

3.1 General instructions
WARNING
Before undertaking installation and/or maintenance
work, switch off the following in the sequence
specified here:
1. the compressed air supply
2. – the load voltage supply for field devices and
proportional directional control valves
(plug X2, pin 1)
– the load voltage supply for the outputs
(plug X6/X8, pin 8)
– if applicable, the load voltage supply for the
axis interface string
– the operating voltage supply for internal
electronics of the SPC200 and field devices
(plug X2, pin 2).
You thereby avoid:
– undesired movements of the connected actuators
– uncontrolled movements of loose tubing
– undefined switching states
3. Installation
SPC200-COM-IBS 0503a 3-3