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WIRING CONSIDERATIONS
The wiring of your blender is very important to its proper operation.
Electronics are very susceptible to voltage spikes and static charges,
both of which are very common in plastics factories.
To MINIMIZE these things, consider the following.
1. The power supply should be solid; a strong supply, not limited by a
"just adequate" control transformer. A source of voltage that
comes from a large transformer that supplies a large portion of the
plant is better then a small power supply transformer that is
intended to supply only this device. Power supplies, even though
they may be "isolation" transformers, will still pass all voltage
spikes right through. Their small size limits their ability to
dampen RF (Radio Frequency) noise that is often induced into the
system from outside sources. This proves worse then connection to
larger central transformers.
2. Avoid running the power supply line along side any heavy power
lines. An unshielded power supply in a raceway along side other
heavy power lines will pick up induced RF noise and transfer it
into the GB/WSB steel enclosure causing computer trouble.
3. Long extension cords should be avoided. They also reduce the
ability to provide a dampening effect on spikes and static. The
further the equipment is from a substantial power source, the more
susceptible it is to spikes.
4. The CONTROLLER and the GB/WSB frame MUST share the same GROUND PATH.
This is why you MUST plug the controller into the OUTLET that is
provided ON THE FRAME.
5. REMOTE SYSTEMS. If you have your controller mounted in a remote
location, you will have a number of power and signal cords running
between the frame and the controller. BE SURE that the LOW VOLTAGE
lines are NOT BUNDLED to the HIGH VOLTAGE lines and keep them away
from other nearby electrical lines.
LOW VOLTAGE lines are: Load Cell cable, Level Sensor cord, Air
Solenoid cable, and Printer and Computer cables.
HIGH VOLTAGE lines are: Mixer motor cable, Feeder motors, and MAIN
POWER line.
Keep these sets of cables SEPARATED.
6. VACUUM LOADER CONVEYING LINES. Keep them away from all electrical
lines, particularly the Load Cell lines. Conveying plastic
produces extreme static sources. A power supply line, even in
conduit, that runs next to a vacuum line, can introduce extreme
static pulses into the processor. Keep conveying lines SEPARATED
from electrical supply lines.
7. We use many internal tooth "STAR" washers in assembling the GB/WSB to
ensure good ground between painted parts. Do not remove them.
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