Toshiba Q9+ - Page 137

Direct Access Parameter Information
Q9 Plus ASD Install/Op Manual
https://www.toshiba.com/tic/ 125
DC Injection Braking Time
Program Protection DC Braking
This parameter setting is used to set the on-time duration of the
DC Injection Braking.
Direct Access Number —
F252
Parameter Type — Numerical
Factory Default — 1.0
Changeable During Run — Yes
Minimum — 0.0
Maximum — 20.0
Units — Seconds
Forward/Reverse DC Braking Priority
Program Protection DC Braking
This parameter setting determines if DC Injection Braking is to be
used during a change in the direction of the motor.
Settings:
0 — Disabled
1 — Enabled
Direct Access Number —
F253
Parameter Type — Selection List
Factory Default — Disabled
Changeable During Run — Yes
Motor Shaft Stationary Control
Program Protection DC Braking
This parameter Enables/Disables a continuous DC injection at
half of the amperage setting of F251 into a stopped motor. This
feature is useful in preheating the motor or to keep the rotor from
spinning freely.
Motor Shaft Stationary Control starts after the DC injection brake
stops the motor and continues until ST – CC is opened, power is
turned off, an Emergency Off command is received, or this
parameter is changed.
Enabling this feature will also require a non-zero entry at F250.
Settings:
0 — Disabled
1 — Enabled
Direct Access Number —
F254
Parameter Type — Selection List
Factory Default — Disabled
Changeable During Run — Yes
0 Hz Command Output
Program Special Special Parameters
This parameter is used to set the go-to-zero method to be used
by the ASD in the event that the ASD is commanded to go to
zero Hz.
Settings:
0 — Standard (DC Injection Braking)
1 — 0 Hz Command
Direct Access Number —
F255
Parameter Type — Selection List
Factory Default — Standard (DC
Injection Braking)
Changeable During Run — No
F252 – F256