IMPULSE
®
•G+ & VG+ Series 4 Technical Manual
November 2020
Page 105
* Initial value is determined by X-Press Programming (Table 4-6 on page 59, Table 4-7 on page 60 or Table 4-8 on page 61).
**
C08-16 Init FWD Brk Trq Initial Brake Release Torque. The percentage of
forward/up motor torque that must be reached within
C08-02 time in order for the brake to release at the
start of the run command. (BE2 detection). This
occurs in both directions.
10–300% 100
C08-18 BE6 Up Speed Lim Maximum up speed limit after BE6 or BE8 alarm is
detected.
0.00–150.00 Hz 6.00
C08-19 Brk Slip Reset Determines if BE6 alarm is automatically reset. If
enabled, VFD will always perform BE6 test after
Load Float time to determine if brake is operational
and the fault can be cleared. If disabled the VFD will
remain in BE6 alarm state until power is cycled.
0, 1 0
0 Disabled
1 Enabled
C08-20 BE6 Check Torque Torque output during a BE6 check. 0.5–20.0% 1.0
C08-21 Add Mag I Time Sets the amount of additional time to delay during
NLB start to allow the motor to develop the
additional magnetizing current.
0.0–3.0 sec 0.0
C08-22 Brk Slip Detect Enables continuous monitoring of the brake for NLB
Hoists.
(BE8 Detection)
0, 1 0
0 Disabled
1 Enabled
C08-23 Brk Slip Det Spd Adjusts the sensitivity of Brake Slip Detection. BE8 0–10 Hz 1.0
C08-24 Brake Test Torq Motor runs in Forward direction at C08-25 speed
when MFDI 61 is active. Brake output Multi-function
output is not energized, PGO and DEV detection are
disabled. Monitor Brake Test Torque at U01-86.
0–6553.5 Flb (see **
below)
C08-25 Brake Test Speed Speed the VFD will push against brake during
testing.
0–10 Hz 6
C08-33 Dual Brake Test Enabling this will alternate the brake outputs after
every cycle. When enabled, MFDOs must be
programmed to 00 and 0A or OPE28 will be
displayed
0, 1 0
0 Disabled
1 Enabled
C08-34 DIR Flt Trq Lvl Regen torque level required to trip the DIR fault.
This is used to detect an NLB hoist which is set up
backwards (FWD is down). A setting of 0 disables
this feature.
0–100% 20
Parameter Display Function Range Default
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