Rockwell Automation 1397 DC Drive Firmware 2.xx - Manual (Page 152)

5–42 Programming Parameters
Publication 1397-5.0 — June, 2001
FEATURE SELECT
[Monitor 2 Level] — P.108
The threshold for monitor 2. Refer to the
Level Detectors block diagram (Fig. A.12)
for additional information. Display/Drive Units: %
Default Setting: 10.0%
Parameter Type: Tunable
Group: Feature Select
Factory Default: 10.0%
Minimum Value: 0.1%
Maximum Value: 100.0%
The parameter range for the level detector is automatically rescaled for speed or current based on the input selected by [Monitor 2 Source]. If
[Cur Loop Fdbck] is selected for [Monitor 2 Source], the parameter range is 0.1 to [Maximum Current]. For any other [Monitor 2 Source]
settings, the parameter range is 0.1 to 100.0%.
[Normal Inertia] — P.109
The time required to accelerate the motor and
load inertia from zero to motor base speed at
[Motor Arm Amps] and [Motor Field
Amps].
This parameter is set by the speed loop
self-tuning procedure or is entered by the
operator directly.
Display/Drive Units: SECS
Parameter Type: Tunable
Group: Feature Select
Factory Default: 1.00 seconds
Minimum Value: 0.05 seconds
Maximum Value: 65.20 seconds
[Reverse Disable] — P.110
Note: [Reverse Disable] applies only to
regenerative drives.
When On, [Reverse Disable] prevents the
speed reference from dropping below zero.
The reverse bridge cannot be activated and
the drive cannot reverse.
When Off, the speed reference can drop
below zero and the drive can reverse.
The default is on when:
D The drive has a non-regenerative (S6)
power unit.
D [Feedback Type] is set to AC Tach.
D [Feedback Type] is set to Encoder and
[Encoder Quad] is Off.
Display/Drive Units: Numeric/Text
Parameter Type: Configurable
Group: Feature Select
Factory Default: 0 (Off)
Minimum Value: 0 = OFF
Maximum Value: 1 = ON
If [Encoder Quadrature] is set to Off and Pulse Tach is the selected [Feedback Type] type, [Neg Current Lim] will be set to 0 and [Reverse
Disable] set to On (preventing reverse direction).