Bluetooth Module Vu121 (Optional) - Endress+Hauser Liquiphant FTL63 Operating Instructions Manual

Liquiphant FTL63
Endress+Hauser
6.3.8

Bluetooth module VU121 (optional)

 32 Bluetooth module VU121
• The Bluetooth module can be connected via the COM interface to the following
electronic inserts: FEL61, FEL62, FEL64, FEL64 DC, FEL67, FEL68 (2-wire NAMUR).
• The Bluetooth module is only available in conjunction with the Heartbeat Verification +
Monitoring application package.
• The Bluetooth module with battery is suitable for use in hazardous areas.
• The Bluetooth module must be ordered separately, including the required battery, for
use in conjunction with electronic insert FEL68 (2-wire NAMUR).
Batteries - use and handling
For energy-related reasons, Bluetooth module VU121 requires a special battery when
operated with electronics insert FEL68 (2-wire NAMUR).
The battery is categorized as dangerous goods when transported by air and must not
be installed in the device when shipped.
Replacement batteries can be purchased from a specialist retailer.
Replacement batteries
Only the following types of AA 3.6 V lithium batteries made by the manufacturers listed
below are suitable as replacement batteries:
• SAFT LS14500
• TADIRAN SL-360/s
• XENOENERGY XL-060F
Isolation lug in battery compartment
NOTICE
Removal of grounding lug causes battery to discharge prematurely
Removing the grounding lug from the battery compartment of the Bluetooth module
causes the battery to discharge prematurely, regardless of the sensor power supply.
‣
As long as the sensors are in storage, the grounding lug must remain in the battery
compartment of the Bluetooth module.
Operating life
• If the batteries are empty, Bluetooth connection is no longer possible.
• At ambient temperatures from +10 to +40 °C (+50 to +104 °F), the service life of the
Bluetooth module without replacing the battery is at least 5 years with a maximum of 60
downloads of complete datasets.
Requirement: The sensor is 99 % in the "good" state (demand requires increased power
consumption)
The battery life is based on a scenario where the sensor is connected and powered.
Electrical connection
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