Instruction manual
Table Of Contents
- Preface
- Safety Precautions
- Table of Contents
- Warnings, Cautions and Conformity
- Chapter 1 Drive Model Identification
- Chapter 2 Mounting and Wiring the Inverter
- Chapter 3 Operation using the Keypad
- Chapter 4 Function Codes / Parameters
- Chapter 5 Check Motor Rotation and Direction
- Chapter 6 Speed Reference Command Configuration
- Chapter 7 Operation Method Configuration (Run / Stop)
- Chapter 8 Motor and Application Specific Settings
- Chapter 9 Using PID Control for Constant Flow / Pressure Applications
- Chapter 10 Troubleshooting
- 10.1 Protective Functions
- 10.2 Before Proceeding with Troubleshooting
- 10.3 If Neither an Alarm Code Nor "Light Alarm" Indication Appears on the LED Monitor
- 10.4 If an Alarm Code Appears on the LED
- 10.5 If the “Light Alarm” Indication Appears on the LED Monitor
- 10.6 If an Abnormal Pattern Appears on the LED Monitor except Alarm Codes and "Light Alarm" Indication
- 10.7 If the Inverter is Running on Single-Phase Power
- Chapter 11 Specifications

4-15
Code
Name
Data setting range
Change when
running
Data
copying
Default
setting
Drive Control
Refer to
Page
V/f
Vector
Control
w/
PG
Torque
control
w/o
PG
H73
Torque Limiter
(Operating conditions)
0: Enable during ACC/DEC and running at
constant speed
1: Disable during ACC/DEC and enable during
running at constant speed
2: Enable during ACC/DEC and disable during
running at constant speed
N
Y
0
Y
Y
Y
Y
*11
H74
(Control target)
0: Motor-generating torque limit
1: Torque current limit
2: Output power limit
N
Y
1
N
Y
Y
Y
H75
(Target quadrants)
0: Drive/brake
1: Same for all four quadrants
2: Upper/lower limits
N
Y
0
N
Y
Y
Y
H76
(Frequency increment limit
for braking)
0.0 to 500.0 Hz
Y
Y
5.0
Y
N
N
N
H77
Service Life of DC Link Bus
Capacitor (Remaining time)
0 to 87600 hours
Y
N
-
Y
Y
Y
Y
H78
Maintenance Interval (M1)
0: Disable; 1 to 99990 hours
Y
N
87600
Y
Y
Y
Y
H79
Preset Startup Count for
Maintenance (M1)
0: Disable; 1 to 65535 times
Y
N
0
Y
Y
Y
Y
H80
Output Current Fluctuation
Damping Gain for Motor 1
0.00 to 1.00
Y
Y
0.20
Y
N
N
Y
H81
Light Alarm Selection 1
0000 to FFFF (hex.)
Y
Y
0
Y
Y
Y
Y
H82
Light Alarm Selection 2
0000 to FFFF (hex.)
Y
Y
0
Y
Y
Y
Y
H84
Pre-excitation (Initial level)
100% to 400%
Y
Y
100
N
Y
Y
Y
H85
(Time)
0.00: Disable; 0.01 to 30.00 s
Y
Y
0.00
N
Y
Y
Y
H86
Reserved *9
―
-
-
-
-
-
-
-
H87
Reserved *9
―
-
-
-
-
-
-
-
H88
Reserved *9
―
-
-
-
-
-
-
-
H89
Reserved *9
―
-
-
-
-
-
-
-
H90
Reserved *9
―
-
-
-
-
-
-
-
H91
PID Feedback Wire Break
Detection
0.0: Disable alarm detection
0.1 to 60.0 s
Y
Y
0.0
Y
Y
Y
N
H92
Continuity of Running (P)
0.000 to 10.000 times; 999
Y
Y1Y2
999
Y
N
N
N
H93
(I)
0.010 to 10.000 s; 999
Y
Y1Y2
999
Y
N
N
N
H94
Cumulative Motor Run Time 1
0 to 99990 hours
(The cumulative run time can be modified or reset.)
N
N
-
Y
Y
Y
Y
H95
DC Braking
(Braking response mode)
0: Slow
1: Quick
Y
Y
1
Y
N
N
N
H96
STOP Key Priority/
Start Check Function
Data STOP key priority Start check function
0: Disable Disable
1: Enable Disable
2: Disable Enable
3: Enable Enable
Y
Y
3
Y
Y
Y
Y
H97
Clear Alarm Data
0: Disable
1: Enable (Setting "1" clears alarm data and then
returns to "0.")
Y
N
0
Y
Y
Y
Y
H98
Protection/Maintenance Function
(Mode selection)
0 to 255: Display data in decimal format
Bit 0: Lower the carrier frequency automatically
(0: Disabled; 1: Enabled)
Bit 1: Detect input phase loss
(0: Disabled; 1: Enabled)
Bit 2: Detect output phase loss
(0: Disabled; 1: Enabled)
Bit 3: Select life judgment threshold of DC link bus
capacitor
(0: Factory default level; 1: User setup level)
Bit 4: Judge the life of DC link bus capacitor
(0: Disabled; 1: Enabled)
Bit 5: Detect DC fan lock (0: Enabled; 1: Disabled)
Bit 6: Detect braking transistor error
(for 40 HP or below)
(0: Disabled; 1: Enabled)
Bit 7: Switch IP20/IP40 enclosure
(0: IP20; 1: IP40)
Y
Y
83
Y
Y
Y
Y
*9 Factory use. Do not access these function codes.
*11 Refer to the User Manual for detailed information on these parameters.
Y: Applicable / N: Not Applicable.