Hitachi SJ Series User Manual page 438

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