Notes On Use In Hazardous Areas According To Ul Hazloc; General Notices On Use In Hazardous Areas According To Fm - Siemens S7-1500 Operating Instructions Manual
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- System manual (523 pages) ,
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3.1.3
Notes on use in hazardous areas according to UL HazLoc
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.
This equipment is suitable for use in Class I, Division 2, Groups A, B, C and D or non-
hazardous locations only.
This equipment is suitable for use in Class I, Zone 2, Group IIC or non-hazardous locations
only.
3.1.4
General notices on use in hazardous areas according to FM
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.
This equipment is suitable for use in Class I, Division 2, Groups A, B, C and D or non-
hazardous locations only.
This equipment is suitable for use in Class I, Zone 2, Group IIC or non-hazardous locations
only.
EXPLOSION HAZARD
The equipment is intended to be installed within an ultimate enclosure. The inner service
temperature of the enclosure corresponds to the ambient temperature of the module. Use
installation wiring connections with admitted maximum operating temperature of at least
30 ºC higher than maximum ambient temperature.
CP 1543-1
Operating Instructions, 05/2017, C79000-G8976-C289-07
WARNING
WARNING
WARNING
Installation, connecting up, commissioning, operation
3.1 Important notes on using the device
27
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