Settings; Selecting The Fail-Safe Mode - Endress+Hauser soliphant II FTM 30 DR Operating Instructions Manual

4 Settings

Warning!
Opening
the electronics area
Fig. 15
Opened electronics area
with electronic insert FEM
Electronic insert
FEM 41
FEM 44
FEM 45
LEDs
18
4 Settings
Before connecting:
Carry out the settings on the electronic insert in the separate housing.
Warning!
There is a risk of explosion if the settings are carried out after connecting the instrument.
If the Soliphant is already connected then, before making the settings:
– Switch off all power to the instrument
– Secure against switching on
– Check that no power is switched on to the instrument
– Ground and short-circuit all cabling
– Wait 15 minutes before opening the separate housing
Protect the separate housing from dripping water.
Loosen the lock on the cover to the electronics area.
Unscrew cover.
Do not wipe away the lubricant on the thread of the cover or the gasket!
Place the cover on a clean surface only.

4.1 Selecting the fail-safe mode

Maximum fail-safe: The circuit is open when the fork is covered or on power failure.
Minimum fail-safe: The circuit is open when the fork is free or on power failure.
Select the fail-safe mode required for your application using rotary switch B.
The switch can be turned in both directions; it then clicks in after 90°.
Function indicator.
The LEDs can only be seen when the separate housing is not in the explosion
hazardous area and when the cover of the electronics area can then be opened
during operation or testing.
FTM 30 DR, FTM 31 DR, FTM 32 DR
Endress+Hauser