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Test Research, Inc. 54 TR7007 M SII User Guide – Hardware 9.3 Conveyor Belt If there is a Sensor o r Conveyor problem, perform a test manually (the two hi dden butt ons must be pressed simultaneously, the setting procedu…

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TR7007M SII User Guide – Hardware 53

2) Replacement

Motor Driver: First turn off the power then remove the two sets of wires and two DC +24V

power supply cables from the Driver. There is a screw at the top and bottom of the driver.

Remove the screws to install the new Driver. Once replacement is complete, reconnect the

wiring and power cables. After replacement re-adjust the driver using the proper adjustment

method.

3) Wiring Diagram

For System Wiring Diagrams, please refer to the separate Wiring

Diagram manual.

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54 TR7007M SII User Guide – Hardware

9.3 Conveyor Belt

If there is a Sensor or Conveyor problem, perform a test manually (the two hidden buttons

must be pressed simultaneously, the setting procedure is as shown in figures below) and

depending on the results, refer to Figure 98: Motor Troubleshooting Matrix

and

troubleshoot.

Figure 100: Sensor/Conveyor Troubleshooting Process

9.3.1 Sensor Problem

－

Adjustment

 Sensor 1 & 2 & 4: Place the candidate board on the Sensor to be tested, and use the

adjustment rod to adjust the Sensor’s optimal detection range. When there is a candidate

board waiting to be tested over the Sensor, the Sensor’s indicator light will glow red. If

there is no candidate board over the Sensor, the indicator light will turn off.

Test Research, Inc.

TR7007M SII User Guide – Hardware 55

Figure 101: Sensor Adjustment

 Sensors 5 & 6: Lower the holder mechanism to its lowest position along with the Sensor

as well. Move the Sensor upwards until the indicator light is lit, then move it slowly

downwards again until the indicator light goes off for the correct setting.

 If there is no response from the Sensor, first re-adjust the Sensor sensitivity. If there is

still no response, do not attempt repair, replace with a new Sensor. Replacement

Method: first disconnect the Sensor connector, and then remove the Sensor. Attach the

new Sensor then connect and secure the Sensor’s connectors. Once replacement is

complete, adjust as directed in the adjustment method.

9.3.2 Step Motor Problem

 There are two variable resistors located below the Driver. There is a cross-shaped

location where the variable resistor can be adjusted. Use the adjustment rod to turn the

arrow at the cross location, turn in a clockwise direction to increase. Check if the electric

current of RUN and STOP is adjusted to 80%.