Document Outline

• Front Cover
• Safety Information
• Safety Precautions
• Location of Warning Information
• Warranty Information
• Registered Trademarks
• Contents
• 1 MxC Physical Installation
  • MxC Introduction
    • Introducing the MxC
    • MxC Models
  • Confirmations upon Delivery
    • Checks
    • Nameplate Information
    • Component Names
  • Exterior and Mounting Dimensions
  • Checking and Controlling the Installation Site
    • Installation Site
    • Controlling the Ambient Temperature
    • Protecting the MxC from Foreign Matter
  • Installation Orientation and Clearance
  • Removing and Attaching the Terminal Cover
    • Removing the Terminal Cover
    • Attaching the Terminal Cover
  • Removing/Attaching the Digital Operator and Front Cover
• 2 Wiring
  • Connecting Peripheral Devices
  • Connection Diagram
  • Terminal Block Configuration
  • Wiring Main Circuit Terminals
    • Applicable Wire Gauges and Closed-Loop Connectors
    • Main Circuit Terminal Functions
    • Main Circuit Configurations
    • Standard Connection Diagrams
    • Input and Output Wiring in the Main Circuit
  • Wiring Control Circuit Terminals
    • Wire Gauges and Closed-Loop Connectors
    • Control Circuit Terminal Functions
    • Control Circuit Terminal Connections
    • Control Circuit Wiring Precautions
  • Wiring Check
    • Checks
  • Installing and Wiring Option Cards
    • Option Card Models and Specifications
    • Installation
    • PG Speed Control Card Terminals and Specifications
    • Wiring
    • Wiring Terminal Blocks
    • Selecting the Number of PG (Encoder) Pulses
• 3 Digital Operator and Modes
  • Digital Operator
    • Overview of the Digital Operator
    • Digital Operator Keys
  • Operation Modes
    • MxC Modes
    • Switching Between Modes
    • Drive Mode
    • Quick Programming Mode
    • Advanced Programming Mode
    • Verify Mode
    • Auto-Tuning Mode
• 4 Test Run
  • Test Run Procedure
  • Test Run Procedures
    • Switching the Power On
    • Checking the Display Status
    • Basic Settings
    • Settings for the Control Methods
    • Auto-Tuning
    • Application Settings
    • No-load Operation
    • Loaded Operation
    • Saving Parameters
  • Notes on Tuning the MxC
• 5 Parameters and Settings
  • Parameter Descriptions
    • Understanding Parameter Tables
  • Digital Operation Display Functions and Levels
    • Quick Programming Mode and Available Parameters
  • Parameter Tables
    • A: Initialization
    • b: Application
    • C: Auto-Tuning
    • d: Reference
    • E: Motor Parameter
    • F: Option
    • H: Terminal Function
    • L: Protection Function
    • n: Special Adjustments
    • o: Digital Operator
    • T: Motor Auto-Tuning
    • U: Monitors
    • Default Settings that Change with the Control Method (A1-02)
    • Defaults for Various MxC Capacities (o2-04)
• 6 Parameter Settings by Function
  • Frequency Reference
    • Selecting the Frequency Reference Source
    • Using Multi-Step Speed Operation
  • Run Command
    • MxC Functions
    • Selecting the Run Command Source
  • Stopping Methods
    • Selecting the Stopping Method when a Stop Command is Sent
    • Using DC Injection Braking
    • Using an Emergency Stop (“Fast Stop”)
  • Acceleration and Deceleration Characteristics
    • Setting Acceleration and Deceleration Times
    • Preventing the Motor from Stalling during Acceleration (Stall Prevention during Acceleration Function)
    • Preventing Motor Stall during Deceleration (Stall Prevention during Deceleration Function)
  • Adjusting Frequency References
    • Adjusting Analog Frequency References
    • Operation Avoiding Resonance (Jump Frequency Function)
  • Speed Limit (Frequency Reference Limit Function)
    • Limiting Maximum Output Frequency
    • Limiting Minimum Frequency
  • Improved Operating Efficiency
    • Reducing Motor Speed Fluctuation (Slip Compensation Function)
    • Compensating for Insufficient Torque at Startup and Low-Speed Operation (Torque Compensation)
    • Hunting-Prevention Function
    • Stabilizing Speed (Speed Feedback Detection Function)
  • Machine Protection
    • Reducing Noise and Leakage Current
    • Limiting Motor Torque (Torque Limit Function)
    • Stall Prevention during Run
    • Changing Stall Prevention Level during Run Using an Analog Input
    • Using Frequency Detection: L4-01 to L4-05
    • Detecting Motor Torque
    • Changing Overtorque and Undertorque Detection Levels Using an Analog Input
    • Motor Overload Protection
    • Setting Motor Protection Operation Time
    • Motor Overheating Protection Using PTC Thermistor Inputs
    • Limiting Motor Rotation Direction
  • Continuing Operation
    • Restarting Automatically after Power is Restored
    • Speed Search
    • Continue Running after Frequency Reference Loss
    • Restarting Operation after Transient Fault (Auto-Restart Function)
  • MxC Protection
    • Reducing MxC Overheating Pre-Alarm Warning Levels
  • Input Terminal Functions
    • Temporarily Switching Operation between Digital Operator and Control Circuit Terminals
    • Blocking MxC Outputs (Baseblock Commands)
    • Stopping Acceleration and Deceleration (Accel/Decel Ramp Hold)
    • Raising and Lowering Frequency References Using Contact Signals (UP/ DOWN)
    • Accelerating and Decelerating Parameter Frequencies in the Analog References (+/- Speed)
    • Hold Analog Frequency Using User-set Timing
    • Switching Operations between a Communications Option Card and Control Circuit Terminals
    • Jog Frequency Operation without Forward and Reverse Commands (FJOG/RJOG)
    • Stopping the MxC by Notifying Programming Device Errors to the MxC (External Fault Function)
  • Output Terminal Functions
  • Monitor Parameters
    • Using the Analog Monitor Parameters
  • Individual Functions
    • Using MEMOBUS Communications
    • Using the Timer Function
    • Using PID Control
    • Setting Motor Parameters
    • Setting the V/f Pattern
    • Torque Control
    • Speed Control (ASR) Structure
    • Increasing the Speed Reference Response (Feed Forward Control)
    • Droop Control Function
    • Zero-Servo Function
  • Digital Operator Functions
    • Setting Digital Operator Functions
    • Copying Parameters
    • Writing Parameters from the Digital Operator
    • Setting a Password
    • Displaying User-Set Parameters Only
  • Options
    • Performing Speed Control with a PG Encoder
    • Using Digital Output Cards
    • Using an Analog Reference Card
    • Using a Digital Speed Reference Card
  • Elevator and Hoist Type Applications
    • Brake On/Off Sequence
    • Auto-Tuning
    • Momentary Power Loss Ridethrough
    • Torque Limit
    • I/O Phase Loss Protection and Overtorque Detection
    • External Baseblock Signal
    • Acceleration/Deceleration Time
    • Output Side Magnetic Contactor
    • Control Related Adjustments
    • Reducing Shock at Start/Stop and during Acceleration/Deceleration
    • Confirming Start Up Current and Reducing Carrier Frequency
  • Maintenance Timer Display Function
    • Settings Required to Enable the Maintenance Timer Display Function
    • Settings Required After Replacement of Cooling Fan or Capacitors on PCB Board
• 7 Troubleshooting
  • Protective and Diagnostic Functions
    • Fault Detection
    • Alarm Detection
    • Operation Errors
    • Errors During Auto-Tuning
    • Errors when Using the Digital Operator Copy Function
  • Troubleshooting
    • Trouble Setting Parameters
    • If the Motor Does Not Operate
    • Direction of the Motor Rotation is Reversed
    • Motor Does Not Produce Torque or Acceleration is Slow
    • Motor Operates Faster than the Frequency Reference
    • Slip Compensation Function has Low Speed Precision
    • Low Speed Control Accuracy at High-Speed Rotation in Open Loop Vector Control Method
    • Insufficient torque during Rotational Auto-Tuning in Flux Loop Vector
    • Speed fluctuation during Rotational Auto-Tuning in Flux Loop Vector
    • Motor Deceleration is Too Slow
    • Motor Overheat
    • Noise is Produced from an AM Radio or when the MxC is Started
    • Ground Fault Interrupter Operates while the MxC is Running
    • Mechanical Oscillation
    • Torque Generated for the Motor is Insufficient (Insufficient Power)
    • Motor Rotates Even When MxC Output is Stopped
    • OV or OC is Detected when the Fan is Started or Stalls
    • Output Frequency does not Reach the Specified Frequency Reference
• 8 Maintenance and Inspection
  • Maintenance and Inspection
    • Limited Warranty
    • Daily Inspection
    • Periodic Inspection
    • Periodic Maintenance of Parts
    • Precautions when Replacing the Control Board (1PCB)
    • Types and Number of Cooling Fans Used in the MxC
    • How to Replace the External Cooling Fan
    • How to Remove or Install the Control-Circuit Terminal Board
• 9 Specifications
  • Standard MxC Specifications
    • Specifications by Model
    • Common Specifications
  • Specifications for Options and Peripheral Devices
• 10 Appendix
  • MxC Control Methods
    • Control Methods and Features
    • Control Methods and Applications
  • MxC Application Precautions
    • Selection
    • Installation
    • Settings
    • Handling
  • Motor Application Precautions
    • Using the MxC to Run an Existing Standard Motor
    • Using the MxC for Motors other than Standard Yaskawa Motors
    • Power Transmission Mechanism (Speed Reducers, Belts, and Chains)
  • Wiring Examples
    • Using a VS Operator
    • Using Transistors for Input Signals and a 0 V Common in Sinking Mode with an Internal Power Supply
    • Using Transistors for Input Signals and a +24 V Common in Sourcing Mode
    • Using Transistors for Input Signals and a 0 V Common in Sink Mode with an External Power Supply
    • Using Contact and Open Collector Outputs
  • Parameters
• Index
  • Symbols
  • Numerics
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • W
• Revision History
• Back Cover