Allen-Bradley PowerFlex 70 Reference Manual

2-34 Block Diagrams
Block Diagrams The following pages contain the block diagrams for the PowerFlex 700
Vector Control drive.
Figure 2.1 PowerFlex 700VC Block Diagams (1)
PowerFlex 700VC
Block Diagrams
Read Only Parameter
Read / Write Parameter
Read Only Parameter with Bit Enumeration Read / Write Parameter with Bit Enumeration
Provides additional information
Read Testpoint with Data Select Value
PI Speed
Tr im
PI Excl
Mode
PI Regulator
446 445
Kp Speed Loop
Ki Speed Loop
Lead Lag
Lead Lag
25
Speed Control - Regulator (1.0ms)
Speed Reference
449
Speed Desired BW
23
447
Kf Speed Loop
Torque
Selection
*, /, +
Torque Trim
Bus Volt
& Power
Regulator
Notch
Control
Drive
& Motor
Protection
1
Flux
441
Mtr Tor Cur Ref
Torque Control (0.25ms)
Limit
88
Speed/Torque Mod
Logic
1 0 0 1
161 162
Bus Reg Mode A Bus Reg Mode B
Spd Reg In
Vector
Control
Current
Processing
Motor
Vector Control Mode with Speed Control
Linear
Ramp & S Curve
Min/Max
Limits
Commanded Speed
2
Speed Ref Selection
Speed Ref A Sel
117
90 93
+
Analog 1/2
Enc/Pulse
MOP
Presets 1-7
DPI Port 1-6
Spd Ref A Spd Ref B
Tr i m
S
O
U R C E S
+
Speed Ref B Sel
Trim In Select
272
2
Commanded Freq Drive Ref Rslt
22
273
Ramped Speed Drive Ramp Rslt
+
Logic
1 0 0 1
Speed Control - Reference (2.0ms)
Logic
1 0 0 1
100 108
Jog Speed 1 Jog Speed 2
PI Regulator
PI Reference
PI Feedback
Limit
Process Control (2ms)
138
PI Output Meter
Logic
1 0 0 1
Speed Feedback (From Encoder)

Allen-Bradley PowerFlex 70 Specifications

General

Input Voltage	200-240V AC, 380-480V AC, 500-600V AC
Frequency Range	0 - 400 Hz
Humidity	5% to 95% non-condensing
Output Voltage	0 to Input Voltage
Control Methods	Sensorless Vector Control
Communications	Ethernet/IP, DeviceNet, ControlNet
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature, Ground Fault
Operating Temperature	0°C to 50°C (32°F to 122°F)
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Enclosure Rating	IP20, NEMA Type 1