Rockwell Automation 21G PowerFlex 750-Series AC Drives Reference Manual User Manual
Page 59

Rockwell Automation Publication 750-RM001F-EN-P - February 2012
59
General Device and Feedback Monitoring Configuration
Chapter 5
HOST GROUPS
Fe
edback
32
Fbk 1 Volt Mon
Feedback 1 Voltage Monitor
Encoder 1 voltage to be monitored.
Default:
Options:
0 = Voltage not monitored
0 = Voltage not monitored
5 = 5V +/- 5%
9 = 7…12V
12 = 12V +/- 5%
24 = 24V - 10%…24V + 5%
RW 8-bit
Integer
33
Fbk 1 Speed
Feedback 1 Speed
Displays the output speed of encoder 1.
Units based on rotary or linear configuration defined by P29 [Fbk 1 Units].
Units:
Min/Max:
RPM
mm/s
-214,748,364.8 / 214,748,364.7 RPM
-214,748,364.8 / 214,748,364.7mm/s
RO
32-bit
Integer
34
Fbk 2 Units
Feedback 2 Units
Selects rotary or linear feedback for encoder 2.
Default:
Options:
0 = “Rev”
0 = “Rev” (Rotary)
1 = “mm” (Linear)
RW 8-bit
Integer
35
Fbk 2 Polarity
Feedback 2 Polarity
Defines the direction polarity for encoder 2.
Default:
Options:
0 = “Normal”
0 = “Normal” (Same as encoder)
1 = “Reversed”
RW 8-bit
Integer
36
Fbk 2 Resolution
Feedback 2 Resolution
Counts/Revolution.
0…65,535 pulses/revolution or pulses/mm based on rotary or linear configuration
defined by P34 [Fbk 2 Units].
Default:
Min/Max:
0
1 / 65,535
RO
16-bit
Integer
37
Fbk 2 Volt Mon
Feedback 2 Voltage Monitor
Encoder 2 voltage to be monitored.
Default:
Options:
0 = Voltage not monitored
0 = Voltage not monitored
5 = 5V +/- 5%
9 = 7…12V
12 = 12V +/- 5%
24 = 24V - 10%…24V + 5%
RW 8-bit
Integer
38
Fbk 2 Speed
Feedback 2 Speed
Displays the output speed of encoder 2.
Units based on rotary or linear configuration defined by P34 [Fbk 2 Units].
Units:
Min/Max:
RPM
mm/s
-214,748,364.8 / 214,748,364.7 RPM
-214,748,364.8 / 214,748,364.7mm/s
RO
32-bit
Integer
39
Fbk Speed Ratio
Feedback Speed Ratio
Defines the ratio of the expected speed of encoder 2 divided by the expected speed of
encoder 1.
Ratio based on rotary or linear configuration defined by P29 [Fbk 1 Units].
Default:
Min/Max:
0.0000
0.0001 / 10,000.0
RW Real
40
Fbk Speed Tol
Feedback Speed Tolerance
Acceptable difference in speed between P33 [Fbk 1 Speed] and P38 [Fbk 2 Speed].
Units are based on rotary or linear configuration defined by P29 [Fbk 1 Units].
Units:
Min/Max:
RPM
mm/s
0 / 6553.5 RPM
0 / 6553.5 mm/s
RW 16-bit
Integer
41
Fbk Pos Tol
Feedback Position Tolerance
Acceptable difference in position between encoder 1 and encoder 2.
Units are based on rotary or linear configuration defined by P29 [Fbk 1 Units].
Units:
Default:
Min/Max:
Deg
mm
0
0 / 65,535 deg
0 / 65,535 mm
RW 16-bit
Integer
Fi
le
Grou
p
No.
Display Name
Full Name
Description
Values
Re
ad
-W
ri
te
Da
ta
T
ype
TIP
Secondary feedback parameter settings are not required when P27 [Fbk Mode]
is set to 0 “Single Fbk.”