Description of the sealing process. Endres+Hauser Tankvision NXA820, NXA821, NXA822

Tankvision Getting Started

3.4.10 Configuration of W+M systems

Description of the sealing process

Locking mechanisms in Tankvision:

Connected PCs are registered in the system by assigning the MAC address. Once the system has been locked, only these PCs are accepted and can display calibrated data.

When the W+M switch is flipped, a checksum is calculated and set.

This calculation is repeated every 8 hours. If this checksum deviates from that at the time of sealing, changes have been made to the system. It is no longer possible to modify W+M parameters, such as tank tables, units and print templates, once the W+M switch has been flipped.

Recommended procedure:

It is recommended to start calibrating the tank gauging system from the field devices via possible protocol converters and finish the process with the Tankvision inventory management system. When calibrating the Tankvision Tank Scanner or Data Concentrator, it is recommended to start with the unit used as the Global Configuration Store since the engineering units are configured centrally here. These units would then not have to be

checked separately in the boxes assigned (see "Units", → ä 26).

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