Installation, Operation and Maintenance Manual
VCIOM-15345-EN Rev. 1
February 2022
67
Customizing Biffi EHO
Section 8: Customizing Biffi EHO
8.5
Alarms
Table 28.
Configuration Table (16)
Menu Name
Menu
Key
Default Action
ALARMS
AL
N/A
SOLENOID VALVE ALARM
Enable the PST on the EHO.
SL
Stay Put ESD
(hardwire, host)
function
remains active
PRESSURE TRANSMITTER ALARM
Alarm will activate when the signal from the pressure transmitter has
been lost.
Pt
Stay Put ESD
(hardwire, host) function
remains active
ENCODER ALARM
Alarm will activate when the signal from the position encoder has
been lost.
Ea
Stay Put ESD
(hardwire, host) function
remains active
OVER PRESSURE ALARM
Alarm will activate when the hydraulic pressure of the Biffi EHO exceeds
the configured maximum operating pressure. Alarm will clear when
pressure goes below maximum operating pressure
.
PF
Stay Put - Modulating
No Action - ON/OFF
PARTIAL STROKE TEST FAIL ALARM
Alarm will activate when another alarm occurs during the partial stroke
test, or if the partial stroke test is aborted by the user remotely or locally.
Pe
Action taken based
on Failure Alarm Stay put
when aborted by user
until another command
is given
LOST COM1 ALARM
Alarm will activate when the Modbus communication signal is lost.
The alarm is disabled by default and can only be configured via DCMlink.
A loss of Foundation Fieldbus and HART communcation will not produce
an alarm.
ca
No Action
VALVE STALL ALARM
Alarm will activate when Biffi EHO fails to move upon command.
If log jam is enabled, the Biffi EHO will initiate log jam sequence. If log
jam sequence is unsuccessful in moving the valve, the Valve Stall Alarm
will activate.
Sa
Stay Put
HARDWIRED ESD ALARM
Alarm will activate when ESD event occurs with its associated ESD signal.
ES
Fail-Safe Position
HOST COMMAND ESD ALARM
Alarm will activate when ESD command is sent over a communication
protocol from the host system to the Biffi EHO. The alarm will remain
until the ESD command is removed.
HE
Fail-Safe Position
PHASE MONITOR ALARM
Alarm will activate when the phase sequence is incorrect. This only
applies to three phase power systems.
Ph
Stay Put
