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YASKAWA AC Drive GA700 High Performance Type Technical Manual

Preface and General Precautions
Receiving
Mechanical Installation
Electrical Installation
Startup Procedure and Test Run
Standards Compliance
Network Communications
Troubleshooting
Periodic Inspection and Maintenance
Disposal
- Section Safety
- Disposal Instructions
  - WEEE Directive
Specifications
Parameter List
Parameter Details

Home
Parameter Details
L: Protection Functions
L8: Drive Protection

A1: Initialization

A2: User Parameters

b1: Operation Mode Selection

b2: DC Injection Braking and Short Circuit Braking

b3: Speed Search

b4: Timer Function

b5: PID control

b6: Dwell Function

b7: Droop Control

b8: Energy Saving

b9: Zero Servo

C1: Accel & Decel Time

C2: S-Curve Characteristics

C3: Slip Compensation

C4: Torque Compensation

C5: Automatic Speed Regulator (ASR: Automatic Speed Regulator)

C6: Duty & Carrier Frequency

d1: Frequency Reference

d2: Reference Limits

d3: Jump Frequency

d4: Frequency Ref Up/Down & Hold

d5: Torque Control

d6: Field Weakening /Forcing

d7: Offset Frequency

E1: V/f Pattern for Motor 1

E2: Motor 1 Parameters

E3: V/f Pattern for Motor 2

E4: Motor 2 Parameters

E5: PM Motor Settings

E9: Motor Setting

F1: Encoder Option Setup

F2: Analog Input Option

F3: Digital Input Option

F4: Analog Monitor Option

F5: Digital Output Option

F6, F7: Communication Options

H1: Digital Inputs

Multi-Function Digital Input Setting Values

H2: Multi-function Digital Output

MFDO Setting Values

H3: Analog Inputs

Multi-Function Analog Input Terminal Settings

H4: Analog Outputs

H5: Memobus/Modbus Communication

H6: Pulse Train Input/Output

H7: Virtual MFIO Selection

L1: Motor Protection

L2: Power Loss Ride Through

L3: Stall Prevention

L4: Speed Detection

L5: Fault Restart

L6: Torque Detection

L7: Torque Limit

L8: Drive Protection

L9: Drive Protection 2

n1: Hunting Prevention

n2: Auto Freq Regulator (AFR)

n3: High Slip Braking (HSB) and Overexcitation Braking

n4: Adv Open Loop Vector Tune

n5: Feed Forward Control

n6: Online Tuning

n7: EZ Drive

n8: PM Motor Control Tuning

o1: Keypad Display Selection

o2: Keypad Operation

o3: Copy Function

o4: Maintenance Mon Settings

o5: Log Function

T0: Tuning Mode Selection

T1: Induction Motor Auto-Tuning

T2: PM Motor Auto-Tuning

T3: ASR and Inertia Tuning

T4: EZ Tuning

L8: Drive Protection

L8 parameters set protective functions that prevent faults such as overheating, phase loss, and ground faults.

L8-01: 3% ERF DB Resistor Protection
L8-02: Overheat Alarm Level
L8-03: Overheat Pre-Alarm Selection
L8-05: Input Phase Loss Protection Sel
L8-07: Output Phase Loss Protection Sel
L8-09: Output Ground Fault Detection
L8-10: Heatsink Fan Operation Selection
L8-11: Heatsink Fan Off-Delay Time
L8-12: Ambient Temperature Setting
L8-15: Drive oL2 @ Low Speed Protection
L8-18: Software Current Limit Selection
L8-19: Freq Reduction @ oH Pre-Alarm
L8-20: Control Fault & Step Out Detect
L8-27: Overcurrent Detection Gain
L8-29: Output Unbalance Detection Sel
L8-31: LF2 Detection Time
L8-35: Installation Method Selection
L8-38: Carrier Frequency Reduction
L8-40: Carrier Freq Reduction Off-Delay
L8-41: High Current Alarm Selection
L8-51: STPo I Detection Level
L8-52: STPo Integration Level
L8-53: STPo Integration Time
L8-54: STPo Id Diff Detection
L8-55: Internal DB TransistorProtection
L8-56: Stall P @ Accel Activation Time
L8-57: Stall Prevention Retry Counts
L8-90: STPo Detection Level (Low Speed)
L8-93: Low Speed Pull-out DetectionTime
L8-94: Low Speed Pull-out Detect Level
L8-95: Low Speed Pull-out Amount

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