Hitachi SJ300 Series User Manual
Page 18
Chapter 2 – Explanation of Functions
X
X
RS
10msor more
Emergency stop mode
APL1
FW
500ms or more
:ON
(Note 1) Do not turn contactor X and
X
ON at the same time. Be sure to allow 10 seconds or more for
the changeover period.
(Note 2) Do not turn APL1 ON while the inverter is driven by the mains with contactor X ON.
(Note 3) Changeover to battery backup mode and back is valid only when the inverter is stopped. Do
not turn APL1 OFF during the battery backup mode.
(Note 4 Surge current must not exceed 500A in case of connecting the battery at emergency. Select a
contactor for
X
which can withstand the surge current.
(Note 5) If there has been a fault when going into the emergency driving mode, clear the error first.
(Note 6) Output frequency of the inverter during emergency driving mode (f
E
) must not exceed the
following value.
3
2
35
.
1
V
V
f
f
m
B
b
E
Ч
Ч
Ч
≤
fb
: Rated (base) frequency of the motor
V
B
: Voltage of the battery
V
m
: Rated voltage of the motor
(Note 7) Under-voltage trip will occur when the UPS voltage comes down to AC100V-15% during
emergency driving operation.
< Additional setting items>
Function
Code
Function Name
Remarks
C001
- C008
Intelligent input
terminals 1
∼8
51 : APL1
18