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74
Streamfeeder Reliant 3700
Universal Friction Feeders
Product Guide
If the input power module fuse holder is installed in the 230V position, and the line
power is at 115V, the feeder will have noticeably decreased power.
The drive board must have its “kick current” dial set to at least 90%.
1. Verify green LED on the stepper motor drive board is illuminated. If not, verify
transformer secondary leads measure correct voltages: 40 VAC across yellow pair
of wires, and approximately 4.5 VAC to 5.5 VAC across red pair of wires. If green
LED is not illuminated and the transformer voltages test good, replace drive board.
Otherwise, continue with next step.
2. Look at the red LED on the stepper motor drive board. Is it illuminated?
a.
If yes, go to section titled “Drive board red LED illuminated,”
b.
If no, continue with next step.
3. Remove white wire from pin 9 of the stepper motor drive board 13-pin connector.
This is the drive disable line coming FROM the CPU board on connector J8 pin 2.
The drive board is enabled by default when no connection is made at pin 9.
4. Cycle the feeder. If the motor runs, the output on connector J8 pin 2 of the CPU
board is bad, and the CPU board must be replaced. If not, continue with next step.
5. Measure for the presence of pulse train. The pulse train comes FROM the CPU
board connector J8 pins 1 (signal) and 3 (ground), and goes TO the stepper motor
drive board at pins 6 (signal input) and 7 (ground). Test points are pins 6 and 7 on
the 13-terminal connector to the drive board.
a.
Power-up the feeder and verify the reset button is not illuminated. If a reset
cannot be accomplished refer to the section titled “On/Off beeping sound is
heard, reset button is illuminated, and pressing button does not reset fault.”
b.
Verify signal is present on pins 6 and 7. When the speed control knob is fully
CCW, no pulse or a very low pulse frequency will be measured. When the
speed control is fully CW, the frequency could be measured as high as 8.2
kHz. It is recommended to set the run speed at about 50% where the
frequency measured should be somewhere between 3000 and 4000 Hz.
Decreased power
experienced after fuse is
replaced
Never apply more than 125V
when the fuse holder is in the
115V position. Applying 230V
to the feeder when the fuse
holder is in the 115V position
will damage the feeder’s
internal electronics.
Decreased power
experienced after drive
board is replaced
Motor does not run, is noisy,
makes a “growling” sound,
or runs in reverse
NOTE
A digital multimeter with
frequency measurement
capabilities is necessary for
the following tests. If your
meter does not have the ability
to make a frequency
measurement, an oscilloscope
may be used instead.
Problem
Solution
!
Table 9-1.
Quick-Look Troubleshooting (continued)
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Страница 94: ...2007 Thiele Technologies Inc Streamfeeder Printed in the USA...