Output Signal; Ex Connection Data; Environment; Ambient Temperature Range - Endress+Hauser Liquiphant FTL63 Operating Instructions Manual

Technical data
54
14.2.2

Output signal

Switch output
The following default switching delay times can be ordered for electronic inserts FEL61,
FEL62, FEL64, FEL64DC, FEL67 and FEL68:
• 0.5 s when the tuning fork is covered and 1.0 s when it is uncovered (factory setting)
• 0.25 s when the tuning fork is covered and 0.25 s when it is uncovered
• 1.5 s when the tuning fork is covered and 1.5 s when it is uncovered
• 5.0 s when the tuning fork is covered and 5.0 s when it is uncovered
COM interface
For connecting to modules VU120 or VU121 (no modifying effect)
Bluetooth® wireless technology (optional)
The device has a Bluetooth® wireless technology interface. Device data and diagnostic data
can be read out using the free "SmartBlue" app.
14.2.3

Ex connection data

See safety instructions (XA): All data relating to explosion protection are provided in
separate Ex documentation and are available from the Downloads area of the
Endress+Hauser website. The Ex documentation is supplied as standard with all devices
approved for use in explosion hazardous areas.
14.3

Environment

14.3.1

Ambient temperature range

WARNING
L
Permitted connection voltage exceeded!
‣
For electrical safety reasons, the maximum connection voltage for all electronic inserts
at ambient temperatures below –40 °C (–40 °F) is limited to a maximum of 35 V DC.
–40 to +70 °C (–40 to +158 °F)
Optionally available to order:
• –50 °C (–58 °F) with restricted operating life and performance
• –60 °C (–76 °F) with restricted operating life and performance,
Below –50 °C (–58 °F): devices can be permanently damaged
The minimum permitted ambient temperature of the plastic housing is limited to
–20 °C (–4 °F); ' i ndoor use' applies to North America.
Liquiphant FTL63
Endress+Hauser