12
8.
PRINCIPLE OF LUBRICATION CONTROL
This version of the pump includes an electronic card for control of lubrication.
The control board located inside the motor housing guarantees full autonomy in the management of pump lubrication cycles,
alarms and controls. Additionally, the pump is equipped with two
digital inputs,
for control of the lubrication cycle, and two
digital outputs
for monitoring lubrication status and alarms.
The
Omega
automatic lubrication control unit can be programmed to operate according to the principle of
intermittent
lubrication.
This principle is based on three basic concepts:
A)
Prelube → Pre-lubrication
B)
Lube (work – wait) → Lubrication
C)
Standby
A)
PRELUBE
This phase consists of a set of lubrication cycles necessary for venting air from the system and controlling all the lubrication
functions.
Pre-lubrication takes place when the system is started.
If pre-lubrication is set to the "0" value, intermittent lubrication will only consist of the lubrication phase.
B)
LUBE
This phase consists of a set of cycles during which the device performs the lubrication. Each cycle is, in turn, divided into two
sub-cycles (
work and wait
) and involves the monitoring timers, counters or/and inputs:
During the
work
phase, the system sends the lubricant to the lubrication points.
During the
wait
phase, the system remains on hold before the start of the next lubrication cycle or the standby phase (if
only one lubrication cycle is set).
The lube can be adjusted in five ways:
PS/SEP:
Discharging of lubricant is controlled by the pressure switch or by the Progressive System.
PULSES COUNT:
Discharging of lubricant is controlled by a
pulse-counter.
ROTATION:
Release of lubricant is controlled by the number of motor
rotations.
TIME
: Release of lubricant is controlled by a timer.
EXTERNAL ENABLING:
Release of lubricant is controlled by an external controller.
C)
STANDBY
In this phase, the lubrication system is idle until the next phase of lubrication.
This
phase
cannot
be
controlled
directly;
however,
the
Lubrication
interval
can
be
controlled
.
Lubrication Interval means the period between the start of two Lube phases.
The Lubrication Interval can be controlled in four ways:
TIME:
The Lubrication Interval is controlled by a timer.
PULSES COUNT:
The Lubrication Interval is controlled by a pulse-counter.
TIME&PULSES:
The Lubrication Interval is controlled by a pulse-counter. Everything depends on which of the two types
of controls intervene first
.
PULSE&TIMEOUT:
The Lubrication Interval is controlled by a pulse-counter. In contrast to the Time&Pulse mode, an
alarm is generated if the timeout period is exceeded.
PUMP START
For the conditions of use and programming of cycles see paragraph 7.5.4.
LUBE
LUBE
PRELUBE
Without a
wait
between
the
pre-lubrication cycles
If the
PRELUBE
greater than 0
STANDBY
LUBE
INTERVAL
STANDBY
LUBE
INTERVAL
