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QC-PDS
HARDWARE
Precautions during repairs
Do not manipulate the inside of the unit.
Only personnel authorized by FAGOR AUTOMATION may access the interior of this unit.
Do not handle the connectors with the unit connected to main AC power.
Before handling the connectors (mains, moving power, feedback, ...) make sure that the unit is not
connected to mains.
Precautions during maintenance
STO safety function mission time.
The mission time of the STO safety function is 20 years
1
. After that time, the safety function will no
longer be valid. The expiration date must be calculated by adding 20 years to the date shown on
the versions label of the unit. Write down this value in the maintenance plan of the installation. Do
not use the safety function after that date.
1
See sub-section · MISSION TIMES · of section 9.11. MAINTENANCE, REPAIR AND ANALYSIS OF HAZARDOUS
EVENTS of this manual.
Safety symbols
Symbols that may appear in the manual
Symbols that the product may carry
DANGER or prohibition symbol.
It warns about an immediate dangerous situation. Ignoring this warning may cause
serious, even fatal, consequences.
WARNING or caution symbol.
It warns about a potentially dangerous situation. Ignoring this warning may cause
serious injuries (even fatal) or damages to the unit.
MANDATORY symbol.
It warns about actions and operations that MUST BE carried out. THEY ARE NOT
RECOMMENDATIONS. Ignoring this warning may mean non-compliance of some
safety regulation.
INFORMATION symbol.
Notes, warnings, advises and recommendations.
Ground protection symbol.
It indicates that that point may be under electrical voltage.
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