Bluetooth Module Vu121 (Optional) - Endress+Hauser Liquiphant FTL64 Operating Instructions Manual

Electrical connection
30
6.2.8

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
The battery is categorized as dangerous goods when transported by air and may not
be installed in the device when shipped.
Replacement batteries can be purchased from a specialist retailer. 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
Special battery in conjunction with electronic insert FEL68 (2-wire NAMUR)
• For energy-related reasons, the Bluetooth module VU121 requires a special battery
when operated with electronics insert FEL68 (2-wire NAMUR).
• 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 (at ambient temperatures
between 10 to 40 °C (50 to 104 °F)).
Connecting the Bluetooth module
 33 Connecting the Bluetooth module
1.
Liquiphant FTL64
2.
Endress+Hauser
A0039257
A0039242