Rockwell Automation Allen-Bradley PowerFlex 23PFC, Instructions Manual, Page: 72 / 78

72 Rockwell Automation Publication 20P-TD001K-EN-P - January 2021
PowerFlex DC Drive and Field Controller Technical Data
PowerFlex DC Drive Specifications (continued)
Category Specification
Control
Speed Regulation:
(1)
(1) Subject to motor specs. and current loop tuning.
All operating modes:
Max. speed: 8,000 rpm
Digital reference resolution: 0.1 rpm
Analog reference resolution: ≥ 0.25 rpm
with Digital Incremental Encoder/Resolver
Speed feedback resolution better than 0.5 rpm (based on encoder PPR or resolver resolution)
Operating range better than 1000:1 rpm, bidirectional
Performance Accuracy ±0.02% typical
170 rad/sec bandwidth
with DC Analog Tachometer
Speed feedback resolution better than 2000:1 rpm
Operating range better than 1000:1 rpm, bidirectional
Performance accuracy ±0.1%
170 rad/sec bandwidth
with Armature Voltage Feedback
Voltage feedback resolution better than 2000:1 rpm
Operating range better than 100:1 rpm, bidirectional
Performance accuracy: ±2.0% typical
80 rad/sec bandwidth
Torque Regulation
Current feedback resolution better than 2000:1
Performance accuracy: 1.0% typical
500 rad/sec bandwidth
Feedback Devices
Encoder
Type: Incremental, dual channel, two channel optional (with jumper), differential (recommended) or single-
ended
Input Voltage: Configurable for 2.5…5.2V (switch S21 in ENC_5 position) or 5.4…15.2V (switch S21 in ENC_12
position)
Input Current: 4.5 mA / 6.8…10.9 mA each channel
Quadrature: 90° ± 27° @ 25 °C
Duty cycle: 50% ± 10% Source/Sink capable
Pulses Per Revolution: 100…32770
Maximum Frequency: 150 kHz
Maximum Cable Length: Shielded, 150 m (0.75 mm
2
), 125 m (0.5 mm
2
), 55 m (0.22 mm
2
)
Resolver
The PowerFlex DC Drive is not CE certified when the resolver feedback option module is installed in the drive.
See the PowerFlex DC Drive Resolver Feedback Option Module Installation Instructions, publication 20P-IN071
for details.
DC Analog Tachometer
Input Voltage: 22.7, 45.4, 90.7, 181.6, & 302.9V max.
Input Current: 8 mA full scale
Maximum Cable Length: Shielded, depends on the installation, typical 150 m.
Inputs
Analog Inputs
Three configurable, isolated, differential
±10V, 0…10V, 0…20 mA or 4…20 mA.
Resolution: 11 Bit + sign
Digital Inputs
Eight standard configurable, four additional configurable with the I/O Expansion circuit board.
Max V30V DC input, 200 mA (total current draw is the sum of encoder power, digital outputs, and any
other loads that are connected to terminal 19)
Outputs
Analog Outputs
Two standard configurable, two additional configurable with the I/O Expansion circuit board. Sample rate 2
ms.
±10V, 5 mA, bipolar (current is not bipolar)
Resolution: 11 Bit + sign
Digital Outputs
Four standard configurable, four additional configurable with the I/O Expansion circuit board.
30V, 50 mA
Relay Outputs
Two configurable, N.O. contacts
Max. 250V AC, 1 A AC1