Cleveland Motion Controls WebPro Motor Powered Unwind Tension Controller MWP – 12662 - 1 REV BA - Manual (Page 11)

AO-70172
10
Revision BA
WebPro Motor Powered Unwind Tension Controller
Power Supply Connections
The Controller may be powered by 110-120V, 220-240V 50/60Hz AC at 15VA or by 22-26V DC at 1A.
Before connecting the Controller to the mains ensure that the mains voltage selector switch is set
correctly. The mains supply is terminated on TB1, a two part connector. The mains fuse F1 is 160mA.
The 24V DC supply must be smooth and free from noise. The 24V supply is terminated on TB4; positive
to pin 1, negative to pin 2. Pin 2 is connected to ground and the metal case. The 24V fuse F2 is 1A.
WARNING - Under no circumstances apply a voltage in excess of 36V between TB4/1 and 0V ground,
this will cause serious damage and will invalidate the warranty.
Do not connect the AC mains and the 24V DC supplies to the Controller at the same time.
Tacho Connections
The Controller accepts a tacho input of +10V DC MAXIMUM. If the
tacho voltage is higher than this, insert a resistor of appropriate value
and dissipation in series with the Controller input. The Controller input
resistance is 100K
S. The input common 0V is connected to earth.
The tachos must be Enabled, see Machine Parameters.
Under/over unwinding; the polarity of the line and reel tachos must
be switched externally to provide a positive input to the Controller at all times.
Encoder Connections
Low pass filters should not be included in the encoder signal
leads, these may degrade the pulse edges and introduce
errors. The line speed encoder is terminated on header HD1.
The reel speed encoder is terminated on header HD2.
A +5V DC supply at 100mA is provided by the Controller on the
headers, the Controller +24V DC supply may also be used.
Encoders of 100 to 1000 pulses per revolution are suggested.
The maximum input frequency of the Controller is 100kHz.
The encoder must be Enabled, see Machine Parameters.
The encoder wires MUST be crimped correctly using the
proper tool to ensure reliable operation.
Length Counter
If an encoder is available for the line speed this may be used as the input to the Length Counter feature.
The length is counted up. If the Length Outputs in the Product Parameter menu are enabled, at the
Preceding Length coincidence the output from TB5/10 is switched OFF, at the Full Length coincidence
the output from TB5/11 is also switched OFF, see Digital Output above for more details. These outputs
may be used to slow and then stop the machine. NOTE the Preceding Length is the value before the Full
Length, for example if the Full Length is 500 metres and the machine needs to slow down at 480 metres,
set the Preceding Length to 20 metres. Encoder compliment outputs are not necessary for the Length
Counter feature. The count may be reset manually at any time by pressing the RESET LENGTH key. The
maximum number of pulses allowed is 9999 pulses/metre or 3000 pulses/foot.
Batch Hold
This feature does not operate with the Motor Powered Unwind Tension Controller.
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