P.006), P.223) – Rockwell Automation FlexPak 3000 Digital DC Drive Version 4.3 User Manual
Page 64
5-16
FlexPak 3000 DC Drive Software Reference
NEGATIVE
CURRENT
LIM
(P.006)
This parameter only
needs to be set for
regenerative drives.
Selects the highest
amount of current (%
full load amps) for the
reverse bridge. Used
as a low limit for the
speed loop
PI
block
when
NEG
CURRENT
LIM
SEL
(P.224) is set
to
REGISTER
.
Parameter Range:*
When
NEG
CUR
LIM
INV
EN
(P.226) =
ENABLED
:
0 to
MAXIMUM
CURRENT
(%
FLA
)
When
NEG
CUR
LIM
INV
EN
(P.226) =
DISABLED
:
–
MAXIMUM
CURRENT
to 0 (%
FLA
)
Default Setting:
±150 %
FLA
Parameter Type:
Tunable
OIM Menu Path(s):
Speed/Voltage Loop (
SPD
) - Speed/Voltage Loop
(
SPD
) Tuning
Current Minor Loop (
CML
) -
CML
Tuning
Quick Start
*The range is clamped to zero:
•
For non-regenerative drives.
•
If
FEEDBACK
SELECT
(P.200) is set to
AC
TACH
.
•
If
FEEDBACK
SELECT
is
PULSE
TACH
and
PULSE
TACH
QUADRATURE
(P.208) is
OFF
.
The range of
NEGATIVE
CURRENT
LIM
depends on the setting of
NEG
CUR
LIM
INV
EN
(P.226).
POS
CURRENT
LIM
SEL
(P.223)
Selects the source for
the positive current
limit.
If
REGISTER
is
selected,
POSITIVE
CURRENT
LIM
(P.005)
is used as the limit.
Parameter Range:
REGISTER
ANALOG
IN
1
ANALOG
IN
2
NETW
IN
REG
1
NETW
IN
REG
2
NETW
IN
REG
3
Default Setting:
REGISTER
Parameter Type:
Configurable
OIM Menu Path(s):
Speed/Voltage Loop (
SPD
) - Speed/Voltage Loop
(
SPD
) Tuning
Current Minor Loop (
CML
) -
CML
Tuning
The I/O Expansion kit must be installed to use
ANALOG
IN
1 (terminals 50 and 51 on
the I/O Expansion board) or
ANALOG
IN
2 (terminals 52 and 53).
A network option board must be installed to select the network input registers
(
NETW
IN
REG
1, 2, or 3). Note that the network input registers are updated only
when Control Source (P.000) is set to
NETWORK
and the network is active.
This parameter is affected by
NEG
CUR
LIM
INV
EN
(P.226).