Modification - Endress+Hauser Proservo NMS80 Functional Safety Manual

Modification

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Component
Displacer
Measuring drum
Installation Instructions, see the Download Area at www.endress.com.
The replaced component must be sent to Endress+Hauser for the purpose of fault analysis if the
device has been operated in a protective system and a device error cannot be ruled out. In this case,
always enclose the "Declaration of Hazardous Material and Decontamination" with the note "Used as
SIL device in protective system" when returning the defective device. Please refer to the "Return"
section in the Operating Instructions (→  7).
Modifications are changes to devices with SIL capability already delivered or installed.
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Modifications to devices with SIL capability are usually performed in the Endress+Hauser
manufacturing center.
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Modifications to devices with SIL capability onsite at the user' s plant are possible following
approval by the Endress+Hauser manufacturing center. In this case, the modifications must be
performed and documented by an Endress+Hauser service technician.
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Modifications to devices with SIL capability by the user are not permitted.
Checking the device after repair
• Visual inspection to check whether all parts are present and properly
mounted.
• Calibration must be carried out again (see Operating Instructions).
• Repeat the device commissioning check (Diagnostics → Device check).
• Visual inspection to check whether all parts are present and properly
mounted.
• Calibration must be carried out again (see Operating Instructions).
• Repeat the device commissioning check (Diagnostics → Device check).
Proservo NMS80/81/83
Endress+Hauser