BIFFI EFS2000v4 - Page 25

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BIFFI FAIL SAFE ELECTRIC ACTUATORS, MODEL EFS2000V4
InstructIon and operatIng Manual
10.4.6 Entering the set-up mode
To change the existing configuration or to set
the stroke limits, it is necessary to enter the
correct password.
• Ensure the electrical main power (or the
external auxiliary supply) is applied.
• Move the 3-position selector to OFF and then:
• If option “SELECTOR in OFF: disabled” is
configured, press simultaneously OPEN/YES
and STOP push buttons to enter in the VIEW
and SETUP menu. ESD action will not be
executed.
• If option “SELECTOR in OFF: enabled” is
configured, press simultaneously OPEN/YES
and STOP push buttons for 20 seconds to
enter in the VIEW and SETUP menu. If VIEW
and SETUP operation are not entered a new
ESD action will be executed.
• It is possible to enter in VIEW and SETUP
menu after ESD action has been executed,
but the actuator cannot be operated
electrically.
• The display shows the present language.
Press YES to confirm or NO to scroll the list
of available languages. Press YES to select.
Press YES to confirm the chosen language.
• Press NO when the message is “VIEW MODE
OK?”. Press YES to answer prompt “ENTER
PASSWORD OK?”
• Enter password. Enter one digit at a time.
Press YES if digit is correct, press NO to
scroll through the list of available characters
and then press YES when the character is
correct. Enter 4 digits. After entering the
last digit, the microprocessor checks the
password. If it is correct the messages
“PASSWORD CORRECT” and then “SET-UP
MODE OK?” appear. Press YES.
• Press NO to scroll through the list of
available menus (actuator set-up, valve data,
maintenance) and press YES to select the
desired menu.
• Press NO to scroll through the list of
available routines and press YES to select the
routine where the parameter to be changed
is located.
• Press YES and NO to answer the prompt on
the display and change the parameter.
• If the password is wrong the message
“PASSWORD WRONG” appears and set-up
mode will not available.
10.4.7 Exit from view and set-up mode
The following conditions cause the exit from
view and set-up mode:
• Move the 3-position selector to LOCAL or
REMOTE.
• Answer YES when the display asks “EXIT
OK?”.
• Press YES and NO simultaneously.
• Automatic exit after 90 minutes without any
parameter change or view.
• Remove the electrical power from the unit.
The following figure shows the procedure to
enter VIEW and SET-UP mode.
All settings are automatically saved to a
non-volatile memory and retained also if the
electrical power is removed from the actuator.
All EFS2000 actuators are pre-configured
with a default configuration, or to customers
requirements.
In case of difficulty during commissioning,
the default configuration can be re-instated
by the appropriate function in the routine
“miscellaneous” of the actuator set-up
menu. The actuator returns to its original
configuration and commissioning can be
resumed.