Drive Motor Overload And Overheat Protection - YASKAWA GA700 Technical Manual

4.3 UL Standards
Input/Output
Safe Disable input
Open-collector output
Serial communication input/output
24 V external power supply
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Drive Motor Overload and Overheat Protection

The drive motor overload and overheat protection function complies with the NEC (National Electric Code) and
the CEC (Canadian Electric Code, Part I).
Set the Motor Rated Current and L1-01 through L1-04 [Motor Overload Protection Select] properly to enable
motor overload and overheat protection.
Set the motor rated current according to the control method using E2-01 [Motor Rated Current (FLA)], E5-03
[PM Motor Rated Current (FLA)], or E9-06 [Motor Rated FLA].
■
E2-01: Motor Rated Current (FLA)
No.
Name
(Hex.)
E2-01 Motor Rated Current
(030E)
Note:
• If parameter E2-01 < E2-03 [Motor No-Load Current] is set, oPE02 [Parameter Range Setting Error] will be detected.
• The units for the default setting and setting range vary depending on the model of the drive.
–2004 to 2042, 4002 to 4023: 0.01 A units
–2056 to 2415, 4031 to 4675: 0.1 A units
The value set in E2-01 becomes the base value for motor protection, the torque limit, and torque control. Enter the
motor rated current as written on the motor nameplate. The value of E2-01 is automatically set to the value input
for "Motor Rated Current" by the Auto-Tuning process.
■
E5-03: PM Motor Rated Current (FLA)
No.
Name
(Hex.)
E5-03 PM Motor Rated
Current (FLA)
(032B)
The value of E5-03 is automatically set to the value input for [PM Motor Rated Current] by the Auto-Tuning
process when the following types of Auto-Tuning processes are performed.
• PM Motor Parameter Settings
• PM Stationary Auto-Tuning
• PM StaTun for Stator Resistance
• PM Rotational Auto-Tuning
Note:
Display is in the following units:
• 2004 to 2042, 4002 to 4023: 0.01 A units
• 2056 to 2415, 4031 to 4675: 0.1 A units
218
Terminal sign
H1, H2, HC
P1, C1, P2, C2
D+, D-, AC
PS, AC
V/f CL-V/f OLV CLV AOLV
Sets the motor rated current in amps.
V/f CL-V/f OLV CLV AOLV
Sets the motor rated current (FLA) for PM motors.
YASKAWA ELECTRIC SIEP C710617 01B YASKAWA AC Drive GA700 Technical Manual
Power supply specifications
The LVLC power supply in the drive is used.
Use the UL approved class 2 power supply
for external power supply.
Use the UL approved class 2 power supply.
The LVLC power supply in the drive is used.
Use the UL approved class 2 power supply
for external power supply.
Use the UL approved class 2 power supply.
Description
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
Description
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
Default Setting
(Range)
Determined by o2-04
and C6-01
(10% to 200% of the
drive rated current)
Default Setting
(Range)
Determined by E5-01
(10 to 200% of the
drive rated current)