Omron VARISPEED G7 -, Instruction Manual

Page: 170 / 417

User Constant Tables
5-
65
Hardware Protection: L8
User constants for hardware protection functions are shown in the following table.
Con-
stant
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
MEMO
BUS
Regis-
ter
Page
Display
V/f
V/f
with
PG
Open
Loop
Vec-
tor
1
Flux
Vec-
tor
Open
Loop
Vec-
tor
2
L8-01
Protect selec-
tion for inter-
nal DB
resistor (Type
ERF)
0: Disabled (no overheating
protection)
1: Enabled (overheating
protection)
0 or 1 0 No A A A A A 4ADH 6-64
DB Resistor
Prot
L8-02
Overheat pre-
alarm level Sets the detection temperature
for the Inverter overheat
detection pre-alarm in
°
C.
The pre-alarm detects when
the cooling fin temperature
reaches the set value.
50 to
130
95
°
C* No A A A A A 4AEH 6-65
OH Pre-
Alarm Lvl
L8-03
Operation
selection after
overheat pre-
alarm Sets the operation for when
the Inverter overheat pre-
alarm goes ON.
0: Decelerate to stop in
deceleration time C1-02.
1: Coast to stop
2: Fast stop in fast-stop time
C1-09.
3: Continue operation
(Monitor display only.)
A fault will be given in set-
ting 0 to 2 and a minor fault
will be given in setting 3.
0 to 3 3 No A A A A A 4AFH 6-65
OH Pre-
Alarm Sel
L8-05
Input open-
phase protec-
tion selection 0: Disabled
1: Enabled (Detects if input
current open-phase, power
supply voltage imbalance
or main circuit
electrostatic capacitor
deterioration occurs.)
0 or 1 0 No A A A A A 4B1H -
Ph Loss In
Sel
L8-07
Output open-
phase protec-
tion selection 0: Disabled
1: Enabled
2: Enabled
Output open-phase is detected
at less than 5% of Inverter
rated current.
When applied motor capacity
is small for Inverter capacity,
output open-phase may be
detected inadvertently or
open-phase may not be
detected. In this case, set to 0.
0 to 2 0 No A A A A A 4B3H -
Ph Loss Out
Sel
L8-09
Ground pro-
tection selec-
tion
0:Disabled
1:Enabled
0 or 1 1 No A A A A A 4B5H -
Ground Fault
Sel