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6.2 Troubleshooting the feed control and electronic monitoring system
(PLC)
General:
Tree chipper control to start and stop the feed roll based on engine speed and safety bar input. In log mode, ultrasonic
sensor will adjust the feed roll height according to log size.
Details:
Feed Speed
•
This output will drive the Feed Speed output proportionally to the engine RPM and the max speed will be
set by the mode setting. There are two speed settings Log mode and Tree mode.
Feed Roller Forward
•
Feed roller forward input will turn on feed roller forward output
•
The safety bar, safety bar reset, and rpm will affect the forward direction
Feed Roller Reverse
•
Feed roller reverse input will turn on feed roller reverse output to a fixed speed.
Feed Roll Raise
•
Feed roll raise input will turn on feed roll raise output.
Clutch
•
This input will tell the controller if the clutch is engaged. If the clutch is not engaged the feed forward
cannot be turned on.
Log Mode
•
When the log mode input is turned on the log height will be sensed by the Ultrasonic Sensor and raise
the feed roll for a proportional amount of time based on the sensor output. After the time has elapsed the
controller will bump the output for a number of times to hold the feed roll up. Then the output will be
turned off. The Feed Roll height output will not be turned on until the feed position reaches the bottom
Feed Roll Reset prox sensor.
•
The feed roll output speed will be set to eeLogMode setting.
Tree Mode
•
In brush mode the controller will not use the Ultrasonic Sensor and the Feed Roll feed position sensor.
Summary of Contents for TC-15
Page 2: ...Clearing the Way for a Better Tomorrow...
Page 4: ...Clearing the Way for a Better Tomorrow...
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