Rockwell Automation 20B PowerFlex 70, PowerFlex 700 Reference Manual - Manual (Page 47)

Block Diagrams
Rockwell Automation Publication PFLEX-RM001H-EN-P - June 2013 47
Figure 4 PowerFlex 700VC Block Diagrams (4)
2
Max
X
1
1 0
(0)
Direction Mode
190
0
Bipolar
Re
ver
se Dis
Unipolar
Dr
iv
e Status 1
(Command Dir)
209
2
Unipol Fwd Unipol Re
v
(+1) (-1)
0 Dr
iv
e Status 2 (Activ
e)
210
4
1
Stopping or Not Active
(0)
Not Stopping and Active
79
Speed Units
Hz/Rpm
to
Inter
nal
Con
v e
rt
T
o
Speed Cntr
l Ref [5A4]
210
1
Dr
iv
e Status 2
(Stopping)
1 0
(0)
F
rom Ref
erence
(3H2)
Speed Control - Ref
erence
(2.0 ms)
1 0
Inter
nal
A
utotune
140
142
146
22
Ramp
S Cur
v
e
Ramped Speed
S Cur
v e
%
Accel Time
1
Decel Time
1
141
143
Accel Time
2
Decel Time
2
+
F
rom PI Speed
T
rim
[7H5]
273
Dr
iv
e Ramp Rslt
Limit
Re
v Speed Limit
≠ 0
454
82
Max Speed
Re
v Speed Limit
X
Limit
X
(-1)
81
Minim
um Speed
(-1)
0
Dr
iv
e Logic Rslt
(Jog)
271
02
Jog Ref
Re
v Spd Limit Zer
o
454
Re
v Spd Limit Non-Zer
o
1
Min Spd Limit
0
Skip Bands
84 85
Skip F
requency 1
86 87
Skip F
req Band
Skip F
requency 2
Skip F
requency 3
1 0
209
2
Dr
iv
e Logic Rslt
(Jog)
2
Commanded F
req (Hz)
23
Commanded Speed (RPM)
272
Dr
iv
e Ref Rslt (+/-32767)
79
Speed Units
Hz/RPM
to
Inter
nal
Con
v e rt