P.397), P.300), P.395) – Rockwell Automation FlexPak 3000 Digital DC Drive Version 4.3 User Manual
Page 77
Configuring the Current Minor Loop
6-7
CML
FEEDBACK
(P.397)
The
CML
feedback
signal after all
hardware and
software scaling.
Parameter Range:
n/a
Default Setting:
n/a
Parameter Type:
Output
OIM Menu Path(s):
Current Minor Loop (
CML
) -
SCR
Diagnostics -
Armature Phase Fire Test
Current Minor Loop (
CML
) -
CML
Feedback Scaling
Current Minor Loop (
CML
) -
CML
Test Points
CML
FEEDBACK
GAIN
ADJ
(P.300)
The
CML
feedback
gain adjustment. In
most cases, this is
set for unity gain.
Typically, it will be set
to 1.000.
Parameter Range:*
0.900 to 1.100
Default Setting:
1.000
Parameter Type:
Tunable
OIM Menu Path(s):
Current Minor Loop (
CML
) -
CML
Feedback Scaling
*The range might be affected by the software scaling factor calculated by the drive.
J
18
ARM
I
FB
RESISTOR
(P.395)
Indicates the burden
resistor position
required to properly
scale armature
current feedback.
Parameter Range:
1 (15
Ω)
2 (20
Ω
)
3 (30
Ω
)
4 (39
Ω
)
Default Setting:
n/a
Parameter Type:
Output
OIM Menu Path(s):
Drive Information – Correct Scaling Jumper Positions
Current Minor Loop (
CML
) –
CML
Feedback Scaling
Quick Start
The value of this parameter is based on the values of
CT
TURNS
RATIO
(P.010),
MAXIMUM
CURRENT
(P.007), and
MOTOR
RATED
ARM
AMPS
(P.008). If you change any
one of these parameters, check the reading of
J
18
ARM
I
FB
RESISTOR
and make
sure the setting of jumper J18 on the Regulator board matches.