Hitachi J300 Series Instruction Manual page 99

(Function mode 1)
Display
Function
sequence
No.
13 F-20
DC
injection
braking
14 F-21
15 F-22
The
allowable
usage
ratio of
the
braking
resistor
for 100
seconds
is set.
16 F-23
Electronic thermal
thermal
NOTE 1: Initial setting of usage ratio
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: info@ctiautomation.net
(Function mode 2)
Function Initialization display
name contents
DC braking DCB SW
selection
DC braking DCB KIND
type
selection
DC braking DCB F 0000.5 Hz
frequency
selection
DC braking DCB V-STA
force selec-
tion (at start)
DC braking DCB V-STP
force selec-
tion (at stop)
DC braking DCB T-STA
time selec-
tion (at start)
DC braking DCB T-STP
time selec-
tion (at stop)
DC braking DCB STOP-T
output cut-
off time
adjustment
Dynamic BRD-%ED
braking
setting
Allowable IPS TIME
instantaneous
power failure
time setting
Reclosing IPS WAIT
standby after
instantaneous
power failure
recovered
Instantaneous IPS POWR
power failure
restart
selection
Trip selection IPS TRIP
during stop
at under
voltage
Electronic E-THM CHAR
characteristic
selection
Electronic E-THM LEVEL 100%
thermal level
setting
1.5%
Setting, change
Initialization
OFF OFF
LVL LVL
0.5 Hz
00 0
00 0
000.0 s 0 s
000.0 s 0 s
0.00 s 0 s
001.5% 1.5%
1.0 s 1.0 s
001.0 s 1.0 s
ALM ALM
OFF OFF
SUB SUB CRT/SUB/FRE
100%
055-075L/HF
12-8
Setting contents
contents
ON/OFF • DC braking
ON: DC braking available
OFF: DC braking unavailable
LVL/EDG • DC braking method selection
LVL: Level operation
EDG: Edge operation
0 to 400.0 Hz • The frequency at which the
DC braking starts is set.
0 to 20 • The DC braking force at start
is set.
0 to 20 • The DC braking force at stop
is set.
0 to 600.0 • The DC braking time at start
is set.
0 to 600.0 • The DC braking time at stop
is set.
0 to 5.00 The output frequency is
lowered to the DC braking
frequency and the free run
time during execution of DC
braking is set.
0 to 100.0 • The allowable usage ratio of
the braking resistor for 100
seconds is set. (NOTE 1)
0.3 to 25 s • When an instantaneous power
failure occurs, the allowable
time until the power failure is
recovered is set.
0.3 to 100.0 s • The waiting time until the
rerunning starts after an
instantaneous power failure
occurs and is recovered is set.
ALM/FTP/ ALM: Alarm output
RST/ZST ZST: 0 Hz start retry
FTP: Retry after frequency
matching is stopped
RST: Rerunning start retry
ON/OFF When an instantaneous power
failure occurs:
ON: Trip
OFF: Non-trip
• Electronic thermal characteris-
tic setting CRT: Constant
torque characteristic
SUB: Reduced torque charac-
teristic
FRE: Free characteristic
20 to 120%
0% 110-550L/HF