Figure a.7 speed loop, Firmware block diagrams a–7 – Rockwell Automation 1397 DC Drive Firmware 2.xx User Manual
Page 225
Firmware Block Diagrams
A–7
Publication 1397-5.0 — June, 2001
Figure A.7
Speed Loop
Spd Loop Fdbk
(P. 022)
–
+
WLG
ADAPTOR 1–6
*ON
Spd Lp Lag Type
(P. 076)
OFF
LAG
Max Motor Speed
(P. 041)
LEAD/LAG
FREQUENCY IN
KP
Spd Loop Output
(P. 024)
*BYPASS
Pos Current Lim
(P. 067)
ANALOG IN 3
*REGISTER
From I/O
Exp. Inputs
Block Diagram
SOFTWARE SCALING
Pos Cur
Lim Src
(P. 069)
Spd Loop Ref
(P. 025)
From Speed
Reference
Mode Select
Block Diagram
ANALOG IN 4
FREQUENCY IN
ADAPTOR 1–6
To CML
Reference
Block Diagram
HI
To CML
Reference
Block Diagram
PI
WLD LO
Neg Cur
Lim Src
(P. 070)
ANALOG IN 3
*REGISTER
Neg Cur Lim
(P. 068)
ANALOG IN 4
To CML
Reference
Block Diagram
From I/O
Exp Inputs
Block Diagram
From SCANport
LAG/LEAD
LEAD/LAG
or
LAG/LEAD
(SPD
LEAD/LAG
FREQ)
(SPD
LEAD/LAG
RATIO)
–
+
Feedback Type
(P. 039)
PULSE TACH
DC TACH
*ARM VOLT
AC TACH
Arm Voltage (P. 004)
From SCANport
A/D
SOFTWARE
SCALING
Armature
Voltage
Internal
(CUR LOOP FDBK)
8 sample average
IR Compensation (P. 066)
IR Comp TP (P.179)
SOFTWARE SCALING
A/D
F/D
SOFTWARE SCALING
Encoder Quad
(P. 049)
Encoder
PPR
(P. 048)
Encoder Fdbk
(P. 189)
Anlg Tach
Zero
(P. 058)
Anlg Tach
Gain
(P. 057)
Anlg Tach
V/1000
(P. 047)
ANLG TACH
(+ hi) CTB–21
(+ lo) CTB–22
( – ) CTB
Pulse
Tachometer
(From optional
pulse tach kit)
*Default Selection
Spd Lag Freq
(P. 075)
Spd Loop Lag Out
(P. 023)
Spd Loop Kp
(P. 078)
Spd Lp
Lead Freq
(P. 077)
Spd Loop Error
(P. 021)
(ANLG TACH FDBK)
Spd Lead/Lag Type
(P. 074)