Figure a.8 current minor loop reference, Firmware block diagrams a–8 – Rockwell Automation 1397 DC Drive Firmware 2.xx User Manual
Page 226
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Firmware Block Diagrams
A–8
Publication 1397-5.0 — June, 2001
Figure A.8
Current Minor Loop Reference
Cur
Loop
Ref
(P. 008)
LIMIT
HI
LO
Software
Scaling
* Default Selection
Cur Loop Ratelim
(P. 064)
To Current
Minor Loop
Block Diagram
Inertia
Comp
Src
(P. 102)
ACC/DEC
Positive current limit from
Speed Loop Block Diagram
*REGISTER
INTERNAL
ANLG IN 3
ANLG IN 4
RATELIM
J15
Reg
Type
(P. 182)
CURRENT/TORQUE
+
+
*SPEED/VOLTAGE
From Speed/Trim
Reference Select
Block Diagram
From
Speed Loop
Block Diagram
Torque Reference
(P. 031)
Spd Loop Output
(P. 024)
FREQUENCY IN
ADAPTOR 1–6
Maximum Current
(P. 040)
Normal Inertia
(P. 109)
Negative current limit from
Speed Loop Block Diagram
S–curve rate
output from
Speed Ref Ramp
Block Diagram
Inertia Comp Ref
(P. 122)
From I/O
Exp. Inputs
Block Diagram
From SCANport
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