Festo Кабели и принадлежности - Manual (Page 60)

2. Fitting
2−4
Festo P.BE−SPC200−EN en 0901d
Warning
Before carrying out installation and/or maintenance work,
switch off the following in the sequence specified:
1. the compressed air supply
2. load and operating voltage supplies on the SPC200 and,
if applicable, load voltage supply on the axis interface
string.
You can thereby avoid:
ć uncontrolled movements of the connected actuators.
ć uncontrolled movements of loose tubing
ć undefined switching states.