Tools List; Replacing Input And Output Cards - Endress+Hauser Tankvision Multi Scan NXA83B Installation Instructions Manual

• Only open housing for a brief period. Avoid the penetration
of foreign bodies, moisture or contaminants.
• Replace defective seal/gaskets with genuine parts from
Endress+Hauser only.
• If threads are damaged or defective, the measuring device
must be repaired.
• Threads (e.g. of the cover for the electronics and connection
compartments) must be lubricated. Use an acid-free, non-
hardening grease if an abrasion resistant dry lubricant is
non-existent.
• If spacing is reduced or the dielectric strength of the
measuring device cannot be guaranteed during repair work,

Tools list

For applications in custody transfer
The NXA83B is a device that is suitable for custody transfer measurement. According to international custody transfer
regulations, the device can be approved and sealed by an official for legal metrology controls after device commissioning.
• It is necessary to break the seal if a spare part needs to be replaced. The authority for legal metrology controls must be
notified of this within 24 hours.
• Once the spare part has been replaced, an official must approve and seal the NXA83B device once more.

Replacing input and output cards

Always make sure to de-energize the device before replacing any spare parts.
NOTICE
After the part has been replaced, the plug-in connections on the back of the device must be restored to their original state,
as the proper operation of the device cannot be guaranteed otherwise.
‣
Mark the plug-in connections on the back of the housing.
‣
Install input and output cards in the original slot.
The input and output cards require a supply voltage of 5 VDC, only the Sakura V1 input card requires 5 VDC and 12 VDC in
addition.
The procedure for replacing the input and output cards depends on the device design. The procedure for replacing cards in the
case of a wall-mount housing and a 19" rack is described below.
Endress+Hauser
perform a test on completion of the work (e.g. high-voltage
test in accordance with the manufacturer' s instructions).
• Service connector:
– Do not connect in potentially explosive atmospheres.
– Only connect to Endress+Hauser service devices.
• Observe the instructions for transporting and returning the
device outlined in the Operating Instructions.
If you have any questions, contact your
Endress+Hauser service
EA01242G
organization.
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