Operation In Hazardous Areas - Siemens SIMOTICS XP 1MB5 Series Operating Instructions Manual

Operation
8.1 Safety instructions for operation
This can cause faults which can result in eventual or immediate death, serious injury or material
damage.
● Immediately inform the service personnel.
● If you are in doubt, immediately switch off the machine, carefully observing the system-
specific safety conditions.
Damage caused by condensation
Humidity in the air can condense for intermittent duty or load fluctuations. Condensate can
collect. Moisture can have a negative impact on the winding insulation or result in damage, such
as corrosion.
● Ensure that any condensation can freely flow away.
Risk of burn injuries as a result of hot surfaces
Individual machine parts can become hot in operation. Burns can result when coming into
contact with these parts.
● Never touch machine parts during operation.
● Allow the machine to cool down before starting work.
● Check the temperature of parts before touching them. If required, wear suitable protective
equipment.
Risk of injury when touching the fan
There is a risk of injury at machines equipped with a fan cover (e.g. on machines in the textile
industry), as the fan is not completely touch protected.
● Do not touch the rotating fan.
● Do not put your fingers into the larger air discharge openings.
● Prevent manual intervention by using suitable measures, e.g. appropriate housings or a
8.1.1

Operation in hazardous areas

Safe handling
In addition to the danger notices in the previous section, the following also applies:
Electrical systems in hazardous zones must be mounted, installed, and operated in
accordance with the applicable rules and regulations. It is assumed that companies operating
these plants and systems take the appropriate measures to ensure that these regulations and
directives are observed during mounting, installation and operation, and that the appropriate
96
CAUTION
protective grating.
Operating Instructions, 05/2019, A5E45959221A
1MB5 SH 400/450