Hitachi SJ Series, User Manual

Page: 438 / 786

12-24-7
Chapter 12 About the inverter function
Parameters (continued)
Examples of resetting operations
Example 1) Cancelling the trip at ON ([CA-72]=00,02)
Example 3) Validating resetting at normal
([CA-72]=00,01)
Example 2) Cancelling the trip at OFF
([CA-72]=01,03)
Example 4) Invalidating resetting at normal
([CA-72]=02,03)
Item Parameter Data Description
Retry stand-by
time for
instantaneous
power failure and
insufficient voltage
[bb-26] 0.3~100.0(s)
A stand-by time for restarting
after resetting, and after an
operation
instruction has been
given
Lower limit setting
for frequency
adjustment
[bb-42] 0.00~590.00(Hz)
The lower limit frequency setting
for restarting
Restarting level of
frequency
acquisition
[bb-43] (0.20 to 2.00) × Inverter rated current
The current limit level when
restarting frequency acquisition
Constant
(frequency) for
frequency
acquisition
restarting
[bb-44] 0.10~30.00 (sec)
The deceleration rate at the time
of frequency acquisition
Constant (voltage)
for frequency
acquisition
restarting
[bb-45] 0.10~30.00 (sec)
The start time of frequency
acquisition
Excessive current
prevention level at
the time of
frequency
acquisition
[bb-46] (0.20 to 2.00) × Inverter rated current
The limit current value setting for
the excessive current prevention
level at the time of frequency
acquisition
Start frequency
selection at the time
of frequency
acquisition
[bb-47]
00
Frequency at the time of
interruption
01 Maximum frequency
02 Set frequency
RS
AL output
(Trip signal)
Output
frequency
Operation
instruction
RS input
Restarts in accordance with [bb-41]
RS
AL output
(Trip signal)
Output frequency
Operation instruction
RS input
Resetting is invalidated during operation.