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BIFFI FAIL SAFE ELECTRIC ACTUATORS, MODEL EFS2000V4
InstructIon and operatIng Manual
1.1.1.1 Reference
Latest torque curve
View procedure
• Move the local selector to OFF and then
simultaneously press OPEN and STOP within
20 sec (see chapter ‘Local controls, entering
view and set-up mode). Select the language
according to the instructions (see ‘Entering
the view mode’). When the message displayed
is ‘VIEW MODE OK?’ press YES. Press NO to
scroll through the list of available menus and
press YES to select maintenance menu.
• Press NO to scroll through the list of routines
and press YES to select torque curve.
• Press NO to scroll through the list of
available curves (from 1 to 5 and reference).
Curve 1 is the latest and curve 5 is the oldest.
Press YES to select.
• Press YES to select the opening or closing
curve. Press NO to exit.
• Press YES to scroll through the list values.
Press NO to exit.
14.4.4 Operation log
The operation log consists of different
counters and routines that provide information
to assist in the maintenance program.
General data log Recent data log
Opening time
Closing time
Contactor cycles Contactor cycles
Motor run time Motor run time
No power time No power time
Utilization rate Utilization rate
Temperature min. Temperature min.
Temperature max Temperature max
Term temp min. Term temp min.
Term temp max. Term temp max.
Motor temp max. Motor temp max.
Thermostat alarms Thermostat alarms
Torque alarms Torque alarms
The data are grouped into 2 families: general
and recent data. The general data log collects
data from ‘test date’ to ‘present date’. The test
date is set in house, can be viewed in the ‘name
plate’ menu but cannot be changed. The recent
data log collects data from the last ‘clear
recent data log’ date to ‘present date’.
A command ‘clear recent data log’ is available
in the Set-up menu, maintenance (chapter I).
This command clears the content of the recent
data log and resets the counters to 0. The old
data are lost.
The main differences between ‘general’ and
‘recent’ data log are the following:
• The general data log gives information
relevant to the full life of the actuator, starting
from the manufacturing date.
• In the recent data log the same data are
collected starting from a date set by the user.
The date may be viewed in the ‘Maintenance
date’ paragraph.
Below is the list of data collected by the general
and recent data log.
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