Hitachi J300 Series, Instruction Manual

Page: 99 / 145

12-8
Display
(Function mode 1) (Function mode 2)
Setting, change
sequence
Function Function Initialization display Initialization
contents
Setting contents
No. name contents
13 F-20 DC braking DCB SW OFF OFF ON/OFF • DC braking
DC selection ON: DC braking available
injection OFF: DC braking unavailable
braking DC braking DCB KIND LVL LVL LVL/EDG • DC braking method selection
type LVL: Level operation
selection EDG: Edge operation
DC braking DCB F 0000.5 Hz 0.5 Hz 0 to 400.0 Hz • The frequency at which the
frequency DC braking starts is set.
selection
DC braking
DCB V-STA 00 0 0 to 20 • The DC braking force at start
force selec- is set.
tion (at start)
DC braking
DCB V-STP 00 0 0 to 20 • The DC braking force at stop
force selec- is set.
tion (at stop)
DC braking
DCB T-STA 000.0 s 0 s 0 to 600.0 • The DC braking time at start
time selec- is set.
tion (at start)
DC braking
DCB T-STP 000.0 s 0 s 0 to 600.0 • The DC braking time at stop
time selec- is set.
tion (at stop)
DC braking
DCB STOP-T 0.00 s 0 s 0 to 5.00 The output frequency is
output cut- lowered to the DC braking
off time frequency and the free run
adjustment time during execution of DC
braking is set.
14 F-21 Dynamic BRD-%ED 001.5% 1.5% 0 to 100.0 • The allowable usage ratio of
braking the braking resistor for 100
setting seconds is set. (NOTE 1)
15 F-22 Allowable IPS TIME 1.0 s 1.0 s 0.3 to 25 s • When an instantaneous power
The instantaneous failure occurs, the allowable
allowable power failure time until the power failure is
usage time setting recovered is set.
ratio of Reclosing IPS WAIT 001.0 s 1.0 s 0.3 to 100.0 s • The waiting time until the
the standby after rerunning starts after an
braking instantaneous instantaneous power failure
resistor power failure occurs and is recovered is set.
for 100 recovered
seconds Instantaneous IPS POWR ALM ALM ALM/FTP/ ALM: Alarm output
is set. power failure RST/ZST ZST: 0 Hz start retry
restart FTP: Retry after frequency
selection matching is stopped
RST: Rerunning start retry
Trip selection IPS TRIP OFF OFF ON/OFF When an instantaneous power
during stop failure occurs:
at under ON: Trip
voltage OFF: Non-trip
16 F-23 Electronic E-THM CHAR SUB SUB CRT/SUB/FRE • Electronic thermal characteris-
Electronic thermal tic setting CRT: Constant
thermal characteristic torque characteristic
selection SUB: Reduced torque charac-
teristic
FRE: Free characteristic
Electronic E-THM LEVEL 100% 100% 20 to 120%
thermal level
setting
NOTE 1: Initial setting of usage ratio 1.5% 055-075L/HF 0% 110-550L/HF