
Safety notices on use in hazardous areas
General safety notices relating to protection against explosion
WARNING
EXPLOSION HAZARD
Do not connect or disconnect cables to or from the device when a flammable or combustible
atmosphere is present.
Safety notices when using the device according to Hazardous Locations (HazLoc)
If you use the device under HazLoc conditions you must also keep to the following safety
notices in addition to the general safety notices for protection against explosion:
WARNING
EXPLOSION HAZARD
You may only connect or disconnect cables carrying electricity when the power supply is
switched off or when the device is in an area without inflammable gas concentrations.
Safety notices for use according to ATEX and IECEx
If you use the device under ATEX or IECEx conditions you must also keep to the following
safety notices in addition to the general safety notices for protection against explosion:
WARNING
Take measures to prevent transient voltage surges of more than 40% of the rated voltage.
This is the case if you only operate devices with SELV (safety extra-low voltage).
WARNING
EXPLOSION HAZARD
Do not press the SELECT/SET button when there is an explosive atmosphere.
6.7.1.2
Overview
Table 6-3
24 to 48 V DC safety extra low voltage
Device
Device version
(power supply)
24 V safety extra-low voltage
(SELV)
can be connected redundantly
XR324-4M EEC
1 x 24 to 48 V DC
●
2 x 24 to 48 V DC
●
Connecting
6.7 Power supply
SCALANCE XR-300M EEC
50
Compact Operating Instructions, 11/2019, A5E02661176-14
Содержание SCALANCE XR324-4M EEC
Страница 10: ...Introduction SCALANCE XR 300M EEC 10 Compact Operating Instructions 11 2019 A5E02661176 14 ...
Страница 12: ...Safety notes SCALANCE XR 300M EEC 12 Compact Operating Instructions 11 2019 A5E02661176 14 ...
Страница 84: ...Index SCALANCE XR 300M EEC 84 Compact Operating Instructions 11 2019 A5E02661176 14 ...