11
RS85
VIBR ATING FORK LEVEL SWITCH | OI/RS85-EN REV. K
3 . . .Setup (configuring switch)
Factory default settings/reset
Each RS85 will be supplied with the following factory default
settings:
Fail safe mode = high
Time delay = instant
Set points = factory defaults
NOTE
To restore the default settings, always remove the
electronic module from the fork assembly. Then with
power connected to the electronic module Press S1 and
S2 buttons of the electronic module (figure 21) and hold
for several seconds while a sequence of red and green
lights display ending with LED1 RED. Re–install the
electronic module in the fork assembly.
On Initial installation it is recommended that the RS85 be
calibrated to the process conditions/connection. The purpose
is to establish a dry frequency threshold value reference.
Step 2:
Calibrating to the process conditions/
connections
With the vibrating fork installed (via. the process
connection) and under dry fork condition power up the
unit. Press S1 and S2 buttons of the electronic module
simultaneously (Figure 23) or hold magnet on ‘X’ of the
magnet position label (Figure 22) for several Seconds. A
sequence of red and green lights will display ending with
LED1 GREEN. The RS85 vibrating fork switch is now
configured to operate under process conditions.
Figure 22
Figure 23
Figure 21
NOTE
The module should be reset to factory defaults (step
1) always before the module is calibrated to process
conditions.
