D-34
Programming
DC590+ DRV Series DC Digital Drive
CURRENT LOOP
Parameter
Tag
Range
DISCONTINUOUS
137
0.00 to 200.00 %
Sets the boundary current between the discontinuous and continuous regions of operation. This is set during the autotune function and affects the
performance of the adaptive algorithm.
ADDITIONAL DEM
30
-200.00 to 200.00 %
Additional current demand input.
BIPOLAR CLAMPS
90
DISABLED / ENABLED
Selects between bipolar (asymmetric) or unipolar (symmetric) current clamps for the 4 quadrants of operation. Default setting of DISABLED means
UNIPOLAR clamps selected.
DISABLED - unipolar (symmetric)
ENABLED - bipolar (asymmetric)
With BIPOLAR CLAMPS disabled, the clamps are symmetrical and are set by POS. I CLAMP IN. With BIPOLAR CLAMPS enabled, the clamps
are assymmetrical, bipolar. In bipolar mode, POS. I CLAMP IN sets the maximum positive current and NEG. I CLAMP IN sets the maximum
negative current. Both clamps can be positive or negative, however, the POS I CLAMP IN value is internally prevented from going numerically
below the NEG I CLAMP IN. CUR. LIMIT/SCALER scales both POS. I CLAMP IN and NEG. I CLAMP IN.
REGEN ENABLE
201
See below
When REGEN ENABLE is 2Q (NON-REGEN), negative current demands are clamped to zero. Current feedback is subtracted from the current
demand and the result is controlled by the PI loop. The result provides SCR phase angle control.
2Q (NON-REGEN) - non-regenerative (2-quadrant)
4Q (REGEN) - regenerative (4-quadrant)
POS. I CLAMP IN
301
-200.00 to 200.00 %
Positive current clamp when BIPOLAR CLAMPS is ENABLED.
NEG. I CLAMP IN
48
-200.00 to 200.00 %
Negative current clamp when BIPOLAR CLAMPS is ENABLED.
Note on bipolar current clamps: these clamps in bipolar mode can cross-over onto the same quadrant. The POS. I CLAMP IN value is internally
prevented from going numerically below the NEG. I CLAMP IN.
Summary of Contents for 590+ DRV
Page 1: ...590 DRV Frame 1 2 3 4 5 6 7 HA470388U003 Issue 2 Product Manual...
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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 274: ...A 30 Serial Communications DC590 DRV Series DC Digital Drive...
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Page 292: ...B 16 Certification DC590 DRV Series DC Digital Drive...
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Page 330: ...C 36 Parameter Specification Tables 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...
Page 497: ...Programming D 149 DC590 DRV Series DC Digital Drive Programming Block Diagram Sheet 2...
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