Programming
D-57
DC590+ DRV Series DC Digital Drive
ENCODER
This block allows the Speed Feedback
to be measured using a quadrature
encoder when a Speed Feedback
Option is fitted - refer to Chapter 3:
Speed Feedback and Technology
Options.
The ENCODER 1 function block is associated with the speed feedback option.
The ENCODER 2 function block is associated with Digital Input 2 (terminal C7) and Digital Input 3 (terminal C8) where:
Digital Input 2 provides the clock.
Digital Input 3 is used as a direction input.
ENCODER
Parameter
Tag
Range
ENCODER LINES
24, 1230
10 to 5000
The number of lines must be set to match the type of encoder being used. Incorrect setting of this parameter will result in an erroneous speed
measurement. The 5901 Microtach has 1000 lines per revolution as standard. Proprietary encoders of other specifications can be normalised by
setting this parameter as appropriate.
ENCODER SIGN
49, 1231
NEGATIVE / POSITIVE
Since the encoder feedback cannot be reversed electrically, the signal polarity can be reversed by the control software.
It is necessary to set up this parameter when in CLOSED-LOOP VEC mode, as the encoder direction must be correct for this mode to operate.
ENCODER RPM
22, 1232
0 to 6000
Motor top speed setting (100%) when using encoder feedback.
UNFIL. ENCODER
59, 1235
⎯
. RPM
Unfiltered encoder speed in RPM
ENCODER 206,
1236
⎯
. RPM
Encoder speed in RPM
SPEED FEEDBACK
1227, 1237
⎯
.x %
Encoder speed in %. A speed of 100% indicates that the encoder is rotating at the value set in the ENCODER RPM parameter.
Summary of Contents for 590+ DRV
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Page 126: ...3 88 Installing the Drive DC590 DRV Series DC Digital Drive...
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Page 166: ...5 8 Control Loops DC590 DRV Series DC Digital Drive...
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Page 368: ...D 20 Programming DC590 DRV Series DC Digital Drive Functional Description...
Page 496: ...D 148 Programming DC590 DRV Series DC Digital Drive Programming Block Diagram Sheet 1...
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