YASKAWA V1000 Series Installation & Start-Up Manual page 394

B.2 Parameter Table
No. Name
Overheat Alarm
L8-02
Level
Overheat Pre-Alarm
L8-03
Operation Selection
Input Phase Loss
L8-05
Protection Selection
Output Phase Loss
L8-07
Protection
Output Ground Fault
L8-09
Detection Selection
394
YASKAWA TM.V1000.01 V1000 Drive Installation & Start-Up Manual (Preliminary 01-19-07)
Description
When the heatsink temperature exceeds the
value set in this parameter, an Overheat Alarm
(OH) will occur. Requires that one of the
multi-function digital output terminals is set
(H2- = 20).
Sets drive action when an overheat alarm OH
is detected (requires that one of the
multi-function digital output set
(H2- = 20).
0: Ramp to Stop. Drive decelerates as specified
in C1-02 (Decel Time 1).
1: Coast to Stop.
2: Fast-stop. Drive decelerates as specified in
C1-09 (Fast-stop Time).
3: Alarm Only. Drive continues running, but
displays an alarm.
4: Derated Operation. Drive continues to run,
but derates the frequency reference as specified
in L8-19.
Settings 0 through 2 are considered fault
detection, and trigger a fault relay if the
heatsink becomes too hot.
Selects the detection of input current phase
loss, power supply voltage imbalance, or main
circuit electrolytic capacitor deterioration.
0: Disabled
1: Enabled
0: Disabled
1: Enabled (triggered when a single phase is
lost).
2: Enabled (detection after two phases are
lost).
Output phase loss is detected when operating
with less than 5% of the drive rated current.
Detection can mistakenly occur if the motor is
too small relative to the drive capacity rating
(this parameter should be disabled in such
cases).
Enables and disables the drive's output ground
fault detection.
0: Disabled
1: Enabled
Control
Mode
Range Def.
O
V/ P
L
f M
V
50 to
A A A 4AE
<12>
130
0 to 4 3 A A A 4AF
0,1 0 A A A 4B1
0
0 to 2 A A A 4B3
<14>
0,1 A A A 4B5
<12>
Addr. Pg.
Hex
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