February 2022
Installation, Operation and Maintenance Manual
VCIOM-15345-EN Rev. 1
54
Customizing Biffi EHO
Section 8: Customizing Biffi EHO
Menu Name
Menu
Key
Configuration/
Calibration Value
Default
Action
LOCAL CONTROL
Set the Biffi EHO's local control
OPEN/CLOSE selector switch to momentary
or maintained. Momentary is described as
a quick toggle of the OPEN/CLOSE selector
knob will complete the stroke. Maintained
is described as holding the OPEN/CLOSE
selector knob to complete the stroke. If the
OPEN/CLOSE selector knob is released, the
actuator will stop the travel.
Lc
0 = Momentary
1 = Maintained
0 = Momentary
REMOTE CONTROL
Set the Biffi EHO's remote controls to
momentary or maintained. Only applicable
to discrete signals. A discrete remote input
signal will cause the actuator to complete a
full stroke. Only a discrete stop input signal
will stop the travel. The direction of the
actuator can be reversed by a discrete
remote signal in the opposite direction.
rc
0 = Momentary
1 = Maintained
0 = Momentary
WRITE PROTECT
By enabling write protect, the user can
prevent the actuator from configuration
changes through HART and Foundation
Fieldbus communication.
ro
0 = Disable
1 = Enable
0 = Disable
POSITION CONTROL BANDWIDTH
Sets the minimum resolution.
Pb
0.5 to 5.0
0.6 (%)
(Modulating)
2.0 (%) (On/Off)
ENABLE SETPOINT TRACKING
Enable or disable setpoint tracking feature.
Et
0 = Disabled
1 = Enabled
0 = Disabled
LIMIT SWITCH TRIGGER POINT A
Set the Biffi EHO's limit switch range.
The limit switch will be triggered between
0% and the limit switch trigger setpoint. Any
position greater than the limit switch trigger
setpoint, the limit switch will be triggered
off. 0% will be designated as [C][L] on the
two-digit display and 100% will be
designated as [O][P] on the two-digit display.
La
0 - 100
The values 0 and 100 would
be displayed as [O][P] for
Open and [C] [L] for Close
25 (%)
Table 14.
Configuration Table (2)