Commissioning
6
6.1 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 risk of explosion in hazardous areas.
● Do not commission the device until it has been mounted completely and connected in
accordance with the information in Technical data (Page 63).
● Before commissioning take the effect on other devices in the system into account.
WARNING
Commissioning and operation with pending error
If an error message appears, correct operation in the process is no longer guaranteed.
● Check the gravity of the error.
● Correct the error.
● If the error still exists:
– Take the device out of operation.
– Prevent renewed commissioning.
WARNING
Loss of explosion protection
Risk of explosion in hazardous areas if the device is open or not properly closed.
● Close the device as described in Connecting (Page 35).
SITRANS P320/P420 with 4 to 20 mA/HART
Compact Operating Instructions, 09/2018, A5E38874562-AB 43
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