272
YASKAWA
TOMPC71061753A YASKAWA AC Drive GA500 Installation and Operation Instruction
Input/Output
Terminals
Power Supply Specifications
Serial communication input/output
D+, D-, AC
Uses the LVLC power supply in the
drive.
Use the UL Listed class 2 power
supply for external power supply.
24 V external power supply
PS, AC
Use the UL Listed class 2 power
supply.
Drive Motor Overload and Overheat Protection
The drive motor overload and overheat protection function complies with the National Electric
Code (NEC) and the Canadian Electric Code, Part I (CEC).
Set the Motor Rated Current and
L1-01 through L1-04 [Motor Overload Protection Select]
correctly to enable motor overload and overheat protection.
Refer to the control method and set the motor rated current with
E2-01 [Motor Rated Current
(FLA)]
,
E5-03 [PM Motor Rated Current (FLA)]
, or
E9-06 [Motor Rated Current (FLA)]
.
E2-01: Motor Rated Current (FLA)
No.
(Hex.)
Name
Description
Default
(Range)
E2-01
(030E)
Motor Rated
Current (FLA)
Sets the motor rated current in amps.
Determined by o2-
04, C6-01
(10% to 200% of
the drive rated
current)
Note:
•
If
E2-01 < E2-03 [Motor No-Load Current]
, the drive will detect
oPE02 [Parameter Range Setting Error]
.
•
When the drive model changes, the display units for this parameter also change.
–
0.01 A: 2001 to 2042, B001 to B018, 4001 to 4023
–
0.1 A: 2056 to 2082, 4031 to 4060
The value set for
E2-01
becomes the reference value for motor protection and the torque limit.
Enter the motor rated current written on the motor nameplate. Auto-Tuning the drive will
automatically set
E2-01
to the value input for
T1-04 [Motor Rated Current]
.
E5-03: Motor Rated Current (FLA)
No.
(Hex.)
Name
Description
Default
(Range)
E5-03
(032B)
Motor Rated
Current (FLA)
Sets the PM motor rated current (FLA).
Determined by o2-
04, C6-01
(10% to 200% of
the drive rated
current)
Note:
When the drive model changes, the display units for this parameter also change.
•
0.01 A: 2001 to 2042, B001 to B018, 4001 to 4023
•
0.1 A: 2056 to 2082, 4031 to 4060
The drive automatically sets
E5-03
to the value input for
T2-06 [PM Motor Rated Current]
after
you do these types of Auto-Tuning:
•
PM Motor Parameter Settings
•
PM Stationary Auto-Tuning
V/f
OLV
OLV/PM
OLV/PM AOLV/PM
EZOLV
V/f
OLV
OLV/PM
OLV/PM AOLV/PM
EZOLV