B&R Panel PC 2100 User Manual page 251

2.4.1.3 Operation
To switch PPC2100 systems with AP923 or AP1000 display units on/off in a potentially explosive area, either the
switch must be located outside the explosive area or a switch certified for use in potentially explosive areas must
be used.
Danger!
Explosion hazard: The accessory is not permitted to be connected or disconnected with voltage ap-
plied unless the area is considered nonhazardous and is free of ignitable concentrations!
Explosion hazard: Replacing components may impair eligibility for Class I, Division 2!
Danger !
Risque d'explosion – Ne pas connecter ou déconnecter un quelconque équipement lorsque le circuit
est sous tension, à moins que la zone soit connue comme étant sans risque et sans concentrations
inflammables!
Risque d'explosion – Le remplacement de composants peut compromettre l'aptitude au respect de la
Classe I, Division 2!
With the exception of USB dongle 0TG1000.01 or in line with the requirements set forth in "USB connection with
the Panel PC 2100" and "USB connection with the Automation Panel 1000", USB interfaces are not certified for
operation in potentially explosive areas and may only be used for service purposes.
2.4.1.4 Maintenance, breakdowns and disassembly
Devices must be shut down and protected against accidental startup. A voltmeter must be used to verify that the
power supply is cut off.
Before removing or installing accessories, components or cables, all power supplies to PPC2100 systems with
AP923 or AP1000 display units must be interrupted. Defective devices must only be replaced by knowledgeable
and qualified personnel. Before switching on or connecting the power supply, all covers and system components
must be reinstalled and secured.
Danger!
Nonobservance of these instructions can result in material damage, severe injury or death!
Danger !
Le non-respect de ces instructions peut entraîner des blessures graves ou mortelles!
Panel PC 2100 user's manual V1.11
Standards and certifications • Certifications
251