External links
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Quadrature Encoders
A quadrature encoder has two electrical channels that allow it to report distance / speed
and direction. This is the preferred type of encoder in that it allows the SmartDate 5 to
take care of any changes in direction.
Encoder Direction
When using a quadrature encoder it is important that the SmartDate 5 is aware of the
normal operating direction.
When used with an Idler wheel the setting will define the direction of the encoder wheel
(Clockwise or Anti - clockwise) when viewed towards the encoder wheel when the ma-
chine is printing normally.
This can be validated by viewing the substrate speed on the Diagnostics screen inputs.
An incorrect setting will display a negative speed value.
Encoder
Wheel
Direction of View
For details of the pin connections please refer to Section Electrical Schematics.
for parts & service call QLC (800) 837-1309
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