Installation, Operation and Maintenance Manual
VCIOM-15345-EN Rev. 1
February 2022
65
Customizing Biffi EHO
Section 8: Customizing Biffi EHO
Table 25.
Configuration Table (13)
Menu Name
Menu
Key
Configuration/
Calibration Value
Default
Action
PARTIAL STROKE TEST (PST)
PA
Yes/No
N/A
ENABLE PST
Enable the PST on the EHO.
PE
0 = Disable PST
1 = Enable PST
0 = Disable PST
PST START POSITION
Configure the position where the PST
will start the test.
PP
0 = Fail-safe position
1 = Power stroke position
1 = Power
stroke position
PST TRAVEL RANGE
Configure the percent range the EHO will
stroke the valve during the partial stroke test.
tr
1 (%) to 30 (%)
30 (%)
PST PAUSE TIME
Configure the time the EHO will pause at
the position at the of the partial stroke test
before returning to the position prior to
initiating the partial stroke test.
Po
1 (s) to 30 (s)
5 (s)
START PST
Initiate the local partial stroke test using
the LDM.
PL
Yes/No
N/A
PST STARTED
Status signal on the two digit display to
inform the user PST is in progress.
Pe
N/A
Feedback Only
PST Status
PST PASSED
Status signal on the two digital display to
inform the user PST has passed.
P1
N/A
Feedback Only
PST Passed
PST FAILED
Status signal on the two digital display to
inform the user PST has failed.
P2
N/A
Feedback Only
PST Failed
INHIBIT
in
Yes/No
N/A
ENABLE INHIBIT CLOSE
Configure Discrete Input 5 to accept a
discrete 24 V DC signal to inhibit close.
If Discrete Input 5 is provided a 24 V DC
signal when inhibit close is enabled, close
commands will not be functional. If
Discrete Input 5 is not provided a 24 V DC
signal when inhibit close is enabled, remote
close commands will be functional.
ic
0 = Disable
1 = Enable
0 = Disable
ENABLE INHIBIT OPEN
Configure Discrete Input 4 to accept a
discrete 24 V DC signal to inhibit open.
If Discrete Input 4 is provided a 24 V DC
signal when inhibit open is enabled, open
commands will not be functional. If
Discrete Input 4 is not provided a 24 V DC
signal when inhibit open is enabled, remote
open commands will be functional.
io
0 = Disable
1 = Enable
0 = Disable