Rockwell Automation 20B PowerFlex 70, PowerFlex 700 Reference Manual - Manual (Page 50)

Block Diagrams
50 Rockwell Automation Publication PFLEX-RM001H-EN-P - June 2013
Figure 7 PowerFlex 700VC Block Diagrams (7)
Process T
rim
(2.0 ms)
P Gain
kp
130
+
I Gain
ki s
133
129
132 131
138
Limit
PI Configur
ation
(In
v e
rt
Error)
PI Fdbac
k Meter
PI Preload
PI Integ
ral
Time
PI Prop Gain
PI Status (In Limit)
PI Upper Limit PI Lo
w
er Limit
PI Output Meter
T o
T
orque T
rim
[6A2]
+ -
126
Selector
F
rom Ref
erence
Selectab
le Source(s)
128
Selector
PI F
eedbac
k Sel
F
rom F
eedbac
k
Selectab
le Source(s)
-1
136
135
124
01
0 1
SqRt
Enab
le
PI Ref Meter
PI Ref
erence Sel
137
PI Error Meter
462 463
PI F
eedbac
k Hi
PI F
eedbac
k Lo
460 461
PI Ref
erence Hi
PI Ref
erence Lo
134
03
1 PI Control (PI Hold) 125
01
PI Configur
ation
(F
eedbac
k SqRt)
124
05
PI Configur
ation
(Preload Mode)
124
02
0 1
0 PI Status
(PI Enab
led)
134
00
PI Control
(Zero Clamp)
125
04
0 1
(0)
PI Configur
ation
(T
orque T
rim)
124
08
1 0
T
o
PI Speed
T
rim
[ 4G2]
PI Configur
ation
(Excl Mode)
0
124
00
T
o
PI Output
[4D3]
0
Scale
Out - Lo Hi - Lo
Scale
Out - Lo Hi - Lo
BW Error Filter
139
PI BW Filter