2.1 Operation of the Pressure Switch and Travel Switch
The CybaMICRO controls the movement of the baler pressing apparatus by energizing
solenoid coils on a hydraulic valve. If the A solenoid is energised , the pressing appara-
tus will move in one direction, and if the B solenoid is energised the pressing apparatus
will move in the other direction (refer to baler manufacturers data for specific details.)
When both A and B solenoids are de-energised the pressing apparatus will not move.
The CybaMICRO controller is capable of monitoring a hydraulic pressure switch, and
a travel switch.
The travel switch will be arranged so a cam or striker that is mechanically linked to the
pressing apparatus will actuate and close the switch contacts at the mechanical travel
limits of the pressing apparatus. The CybaMICRO controller will monitor the travel limit
switch, and when its contacts close the hydraulic solenoid coil driving the pressing ap-
paratus will be de-energised.
The hydraulic pressure switch will monitor the oil pressure, and when that pressure
reaches a set-point (see baler manufacturers data), the pressure switch contacts will
close. The advantage of the travel switch is that it allows the end of travel of the press-
ing apparatus to be detected without generating high oil pressures and mechanical
forces.
2.0 Basic Controller Function
The emergency stop must be released and the key switch in the ON position for the
controller to be powered. Power LED should illuminate solidly, and display shows
StarLogixs
on line 1 and
ver:r1.0(11hk)
on line 2 for 2 seconds. Then the display will
show
XXXX Bales
.
The CybaMICRO controller has only a single OPERATE button which changes func-
tion depending on the following conditions. When the power is initially switched on,
pressing the OPERATE button will cause the baler to retract. Also if a full bale condi-
tion is sensed the cycle will terminate with the baler pressing apparatus locked in the
compaction position. Pressing the OPERATE button in this case will also cause the
baler to react. All other situations will cause the baler to cycle when the OPERATE
button is pressed.
When the message Door Open is displayed all baler functions are suspended until the
door is shut. Pressing the OPERATE button will only cause a baler action when the
messages Ready to Press, Ready to Retract, Cardboard Full or Plastic Full are dis-
played on the system monitor.
The particular action the baler is currently performing is displayed on the system moni-
tor. That is, Retracting is displayed when the baler is retracting, and Pressing is dis-
played for the duration of the pressing cycle.
Note that the cycle consists of the baler pressing apparatus moving down in the com-
paction stroke, a short delay in the compaction position, then the baler pressing appa-
ratus moving back up to the starting position.
When a full bale condition is detected the Full LED will illuminate and the message
‘Cardboard Full’ or ’Plastic Full will be displayed on the SYSTEM MONITOR depend-
ing on which chamber is full. In both cases ’Tie Off Bale NOW’ will be displayed on the
second line of the SYSTEM MONITOR. The baler cycle will terminate with the press-
ing apparatus locked in the compaction position. This ensures the baler is in the cor-
rect position for tying-off the baler strings (see baler data for details). When the OPER-
ATE button is pressed the SYSTEM MONITOR will display Retracting and the baler
will retract. However the cardboard full bale condition can not be cleared until the bale
is removed from the chamber. No further cycling of the baler is possible until this is
done. Even switching off the power will not clear this state.
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