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SJ300 Inverter
Configuring Drive
Parameters
3–57
Output Function
Adjustment
Parameters
The following parameters work in
conjunction with the intelligent output
function, when configured. The
overload level parameter (C041) sets the
motor current level at which the
overload signal [OL] turns ON. The
range of settings is from 0% to 200% of
the rated current for the inverter. This
function is for generating an early
warning logic output, without causing
either a trip event or a restriction of the
motor current (those effects are avail-
able on other functions).
The frequency arrival signal, [FA1] to
[FA5], is intended to indicate when the
inverter output has reached (arrived at)
the target frequency. You can adjust the
timing of the leading and trailing edges
of the signal via two parameters specific
to acceleration and deceleration ramps,
C042 and C043.
The Error for the PID loop is the magni-
tude (absolute value) of the difference
between the Setpoint (desired value)
and Process Variable (actual value). The
PID output deviation signal [OD]
(output terminal function option code
04) indicates when the error magnitude
has exceeded a magnitude you define.
Motor
current
Overload
signal
C041
t
1
0
Output
frequency
Arrival
signal
C042
C043
t
1
0
PID Error
(PV-SP)
Deviation
Signal
C044
t
1
0
SP
“C” Function
Run
Mode
Edit
Lo Hi
Defaults
Units
SRW Display
Func.
Code
Name Description
–FE
(CE)
–FU
(UL)
–FR
(Jpn)
C040 Overload signal output
mode
Choose when the overload
signal is enabled; two option
codes:
00 During accel/decel
01 During constant speed
✘ ✔ 01 01 01 —
>CO40 OL
Mode CRT
C041 Overload level setting Range is 0.00 * rated current
to 2.00 * rated current
✘ ✔ Rated current for
each inverter
A
>C041 OL
LEVEL 0016.5A
C042 Frequency arrival
setting for acceleration
Sets the frequency arrival
setting threshold for the
output frequency during
acceleration
✘ ✔ 0.00 0.00 0.00 Hz
>C042 ARV
ACC 0000.00Hz
C043 Arrival frequency
setting for deceleration
Sets the frequency arrival
setting threshold for the
output frequency during
deceleration
✘ ✔ 0.00 0.00 0.00 Hz
>C043 ARV
DEC 0000.00Hz