Motor Protection - Omron VARISPEED L7 Guia De Inicio Rapido

Param.
Name
Num.
Motor Data Settings
E2-01 Rated current
E2-02 Rated slip
E2-03 No-load current
E2-04 Pole number
Line-to-line
E2-05
resistance
Leak induct-
E2-06
ance
E5-02 Rated power
E5-03 Rated current
E5-04 Pole number
Line-to-line
E5-05
resistance
E5-06 d-Inductance
E5-07 q- Inductance
Motor voltage
E5-09
constant
Encoder Feedback Settings
F1-01 PG constant
PG rotation
F1-05
direction
Absolute
encoder resolu-
F1-21
tion (Hiperface
or EnDat)
Magnet posi-
F1-22
tion offset
Digital I/O Settings
Terminal S3 to
H1-01
to S7 function
H1-05
selection
Terminal M1-
H2-01
M2/M3-M4/
to
M5-M6 func-
H2-03
tion selection

Motor Protection

Motor protec-
L1-01
tion selection
Feed Forward Compensation
Feed forward
n5-01
control sel.
Motor accelera-
n5-02
tion time
EN-29
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Description
Motor Data for induction motors
Motor Data for PM motors
Sets the number of PG pulses per revolu-
tion
0:Phase A leads with forward run com-
mand. (Phase B leads with reverse
run command; Counter Clockwise
rotation)
1: Phase B leads with forward run com-
mand. (Phase A leads with reverse run
command; Clockwise rotation)
0: 16384
1: 32768
2:8192
(if EnDat is selected (n8-35=5), F1-21 is
fixed to 2)
Sets the Offset between the rotor magnet
and encoder zero position.
Refer to the end of this list for a list of
selections
Refer to the end of this list for a list of
selections
0: Disabled
1:General-purpose motor protection
(fan cooled motor)
2: Inverter motor protection (externally
cooled motor)
3: Vector motor protection
When the Inverter power supply is
turned off, the thermal value is reset, so
even if this parameter is set to 1, pro-
tection may not be effective.
5: Permanent magnet constant torque
motor protection
0:Disabled
1: Enabled
Param.
Name
Num.
Feed forward
Speed reference response will increase as
n5-03 proportional
the setting of n5-03 is increased.
gain
Motor accelera-
0:Disabled
n5-05
1: Enabled
tion time tuning
Brake Sequence
Zero Speed Sets the brake close command speed level
S1-01
level at stop at stop.
DC injection
S1-02 braking current
at start
Sets as a percentage of the Inverter rated
current.
DC injection
S1-03 braking current
at stop
DC inj. braking/
S1-04 Zero speed time
at start
DC inj. braking/
S1-05 Zero speed time
Refer to
at stop
Brake release
S1-06
delay time
Brake close
S1-07
delay time
Zero servo position loop gain for closed
S1-20 Zero-servo gain
loop vector control.
Speed Reference Slip Compensation
Motor rated
S2-01 Sets the motor rated speed.
speed
Slip compensa- Sets the slip compensation gain in motor-
S2-02 tion gain in ing mode. Can be set for leveling accu-
motoring mode racy improvement.
Slip compensa- Sets the slip compensation gain in regen-
tion gain in erative mode.
S2-03
regenerative It can be used to improve the
mode leveling accuracy.
Special Functions Setup
Enables or disables the short floor opera-
Short-floor
tion function
S3-01 function selec-
0: disabled
tion 1: enabled (Standard)
2: enabled (Advanced)
Nominal/Lev- Nominal/Leveling speed detection level
S3-04 eling speed when multispeed inputs are used. (d1-
detection level 18=0/3)
Output phase
0:Output phase order is U-V-W
S3-08
1: Output phase order is U-W-V
order
Traction sheave Sets the diameter of the traction sheave
S3-13
diameter for m/s display units.
1:1:1
S3-14 Roping Ratio
2: 1:2
S3-15 Gear Ratio Sets the mechanical gear ratio.
Monitor Data
U1-01 Frequency reference in Hz/rpm
U1-02 Output frequency in Hz/rpm
U1-03 Output current in A
U1-05 Motor speed in Hz/rpm
U1-06 Output voltage in VAC
U1-07 DC bus voltage in VDC
Description
page 22, Brake Sequence.