Allen-Bradley ControlLogix Reference Manual

Chapter 4
CIP Axis Attributes
314 Rockwell Automation Publication MOTION-RM003I-EN-P - February 2018
Feedback n Resolver Excitation Voltage
Usage Access Data
Type
Default Min Max Semantics of Values
Optional - E
RS
Set/GSV REAL 0 - - Volts (RMS)
The Feedback n Resolver Excitation Voltage attribute sets the sinusoidal
excitation voltage applied to the rotor of the designated resolver feedback device.
Feedback n Resolver Excitation Frequency
Usage Access Data
Type
Default Min Max Semantics of Values
Optional - E
RS
Set/GSV REAL 4000 - - Hertz
The Feedback n Resolver Excitation Frequency attribute is the frequency of
sinusoidal excitation signal applied to the designated resolver feedback device.
Valid frequency range or values for this attribute depends on the specific device
hardware interface.
Feedback n Resolver Cable Balance
Usage Access Data
Type
Default Min Max Semantics of Values
Optional - E
RS
Set/GSV REAL 100 0
%
The Feedback n Resolver Cable Balance attribute adjusts the relative amplitude of
the Sine and Cosine signals from the resolver to compensate for impact of resolver
cable.
Feedback n Loss Action
Usage Access Data
Type
Default Min Max Semantics of Values
Optional - E Set/GSV USINT 0 - - Enumeration
0 = Set Exception (R)
1 = Switch to Sensorless Fdbk (O)
2 = Switch to Redundant Feedback
(O)
3...255 = Reserved
Valid for n = 1 or 2
The Feedback n Loss Action attribute specifies the action taken in the event of a
loss of Feedback 1 signal. Valid actions are to simply handle as an Exception, or
automatically switch to Sensorless operation where feedback is estimated based on

Allen-Bradley ControlLogix Specifications

General

Communication	EtherNet/IP, ControlNet, DeviceNet, DH+
I/O Capacity	Up to 128, 000 I/O points (varies by configuration)
Redundancy	Supported (with specific modules)
Programming Software	Rockwell Automation Studio 5000 Logix Designer
Operating Temperature	0°C to 60°C (32°F to 140°F)
Programming Languages	Ladder Logic, Function Block Diagram, Structured Text, Sequential Function Chart
Modularity	Yes
Certifications	UL, CE
Processor Type	Multiple options available, including standard, safety, and extreme environment processors
Power Supply	Multiple options available, including standard and redundant power supplies with various voltage ranges (e.g., 24V DC, 120/240V AC)