Allen-Bradley PowerFlex 70 - Page 65

Block Diagrams 2-37
Figure 2.4 PowerFlex 700VC Block Diagams (4)
2
Max
X
1
1 0
(0)
Direction Mode
190
0
Bipolar
Reverse Dis
Unipolar
Drive Status 1
(Command Dir)
209 2
Unipol Fwd
Unipol Rev
(+1)
(-1)
0
Drive Status 2
(Active)
210 4
1
Stopping or Not Active
(0)
Not Stopping and Active
79
Speed Units
Hz/Rpm
to
Internal
Convert
To Speed Cntrl Ref
[5A4]
210 1
Drive Status 2
(Stopping)
1
0
(0)
From Reference
(3H2)
Speed Control - Reference
(2.0 ms)
1 0
Internal
Autotune
140
142
146
22
Ramp S Curve
Ramped Speed
S Curve %
Accel Time 1
Decel Time 1
141
143
Accel Time 2
Decel Time 2
+
From PI Speed Trim
[7H5]
273
Drive Ramp Rslt
Limit
Rev Speed Limit
≠0
454
82
Max Speed
Rev Speed Limit
X
Limit
X
(-1)
81
Minimum Speed
(-1)
0
Drive Logic Rslt
(Jog)
271 02
Jog Ref
Rev Spd Limit Zero
454
Rev Spd Limit Non-Zero
1
Min Spd Limit
0
Skip Bands
84 85
Skip Frequency 1
86 87
Skip Freq Band
Skip Frequency 2 Skip Frequency 3
1 0
209 2
Drive Logic Rslt
(Jog)
2
Commanded Freq (Hz)
23
Commanded Speed (RPM)
272 Drive Ref Rslt (+/-32767)
79
Speed Units
Hz/RPM
to
Internal
Convert