Siemens SITRANS P500, Operating Instructions Manual, Page: 177 / 238

SITRANS P500 with HART
Operating Instructions, 12/2014, A5E02344528-09
177
Commissioning
8
8.1 Basic safety instructions
DANGER
Toxic gases and liquids
Danger of poisoning when venting the device: if toxic process media are measured, toxic
gases and liquids can be released.
• Before venting ensure that there are no toxic gases or liquids in the device, or take the
appropriate safety measures.
WARNING
Improper commissioning in hazardous areas
Device failure or danger of explosion in hazardous areas.
• Do not commission the device until it has been mounted completely and connected in
accordance with the information in Chapter "Technical data (Page 197)".
•
Before commissioning take the effect on other devices in the system into account.
WARNING
Opening device in energized state
Danger of explosion in areas subject to explosion hazard.
•
Only open the device in a de-energized state.
• Check prior to commissioning that the cover, cover locks, and cable inlets are
assembled in accordance with the directives.
Exception: Devices having the type of protection "Intrinsic safety Ex i" may also be opened
in energized state in hazardous areas.
WARNING
Risk of explosion when media above 100 °C flows through the process flange
Explosion protection is no longer guaranteed and the approval is nullified.
It is prohibited for media above 100 °C to continually flow through the process flange.