Allen-Bradley PowerFlex 755 Reference Manual

CIP Axis Attributes
Chapter 4
Rockwell Automation Publication MOTION-RM003I-EN-P - February 2018 393
Motor Polarity
Usage Access Data Type Default Min Max Semantics of Values
Optional Set/SSV* USINT 0
DB
- - Enumeration
0 = Normal Polarity
1 = Inverted Polarity
2...255 = Reserved
* Indicates the attribute cannot be set while the drive power structure is enabled (Power Structure Enable bit in CIP Axis Status
is true).
The Motor Polarity attribute is an enumerated value used to establish the
direction of motor motion when the windings are phased according to factory
specification. Normal polarity is defined as the direction of motor travel when the
ABC motor winding leads are hooked up according to the drives published
specifications. Inverted polarity effectively switches the ABC phasing to ACB so
that the motor moves in the opposite direction in response to a positive drive
output.
You can use the Motor Polarity attribute to make the direction of travel agree with
the user's definition of positive travel. It can be used in conjunction with the
Feedback Polarity bit to provide negative feedback, when closed loop control is
required. When commutating a PM motor, it is imperative that the commutation
phase sequencing match the motor phase sequencing to properly control the
motor.
Motor Rated Voltage
Usage Access Data Type Default Min Max Semantics of Values
Required Set/GSV REAL 0
DB
0
Volts (RMS)
The Motor Rated Voltage attribute is a floating point value that specifies the
nameplate AC voltage rating of the motor. This represents the phase-to-phase
voltage applied to the motor to reach rated speed at full load.
Motor Rated Continuous Current
Usage Access Data Type Default Min Max Semantics of Values
Required Set/GSV REAL 0
DB
0
Amps (RMS)
The Motor Rated Continuous Current attribute is a floating point value that
specifies the nameplate AC continuous current rating of the motor. This
represents the current applied to the motor under full load conditions at rated
speed and voltage. Any positive number. This is a database number and should not
be changed.

Allen-Bradley PowerFlex 755 Specifications

General

Category	AC Drive
Amperage	2.2…1470 A
Output Voltage	0 to Input Voltage
Output Current	2.2…1470 A
Enclosure	IP20, IP30, IP54
Communications	EtherNet/IP, ControlNet, DeviceNet
I/O	Digital, Analog, Encoder, Relay
Safety	Safe Speed Monitor
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overload, Short Circuit, Ground Fault, Overtemperature
Operating Temperature	-10°C to 50°C (14°F to 122°F)
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Humidity	5…95% noncondensing
Altitude	Up to 1000m (3300ft) without derating
Voltage	200-240V AC, 380-480V AC, 500-600V AC, 690V AC
Input Voltage	200-240V AC, 380-480V AC, 500-600V AC, 690V AC
Control Method	Sensorless Vector