YASKAWA Varispeed G7 Series Instruction Manual page 539

Date of Rev.
Publication No.
June 2006 <8>
September 2005 <7>
January 2005 <6>
Section
Chapter 6 Addition: • Inputting Master Speed Frequency Reference Only (Current Input) in Frequency
Revision: • Restarting Operation After Transient Fault (Auto Restart Function) under Continuing
Chapter 7 Addition: • Fault Detections
Revision: • Probable causes and corrective actions for the OC, GF, PUF, OV, UV1, UV2, UV3, OH
Deletion: • Alarm Detections
Chapter 8 Addition: • Descriptions in Periodic Maintenance of Parts
Revision: Procedure for Adjusting Constants after Replacement of Control Board
Chapter 9 Addition: • Rated input current in Table 9.1 200 V Class Inverters and Table 9.2 400 V Class
Chapter 10 Addition: • Conformance to UL standard
Back cover Revision: Address
Chapter 3 Addition:  DATA/ENTER Key is invalid when UV is detected.
Chapter 7 Revision: Note about GF in Table 7.1 Fault Displays and Processing.
Addition: Note about OC and GF in the Meaning column in Table 7.1 Fault Displays and Process-
Revised Content
Reference
• Following items in Continuing Operation
• IMPORTANT in Speed Search
• Additional description of master speed analog input in Continuing Operation at
Constant Speed When Frequency Reference Is Lost
• Varispeed F7 Function Block
• Frequency Detection 5 in Using Frequency Detection
• Setting the V/f Pattern
Description about the changes in the OV and BTR levels that depend on the input volt-
age in Setting the V/f Pattern.
• Torque Control
Description of setting speed limit bias
• Comparing Inverter Constants and Digital Operator Constant Set Values (VERIFY)
under Digital Operator Functions
Description of error display CPE
• Using Inverters for Elevating Machines
• Description about frequency detection 5, which is an Inverter output signal to engage
a holding brake
• IMPORTANT about precautions on trial operation
• IMPORTANT in Brake ON/OFF Sequence
• Current Alarm Function
• Peak Hold Current Monitoring Function
• Maintenance Timer Display Function
Operation
• Description of OH1 detection of Inverter's cooling fan fault
• Fig 6.50 Baseblock Commands
• Fig 6.64 PID Control Block
• Torque Control under Individual Operation
Example Diagrams of winding and unwinding operation during torque control
• Application precautions in Copying Constants
• Using Inverters for Elevating Machines
• Fig 6.85 Brake ON/OFF Sequence Circuit Configuration
• Description in Confirming Startup Current and Reducing Carrier Frequency
Descriptions of FAN, SER, and E5
• Alarm Detections
Descriptions of FAN, E5, AEr, CyC, BB, HCA, LT-F, and LT-C
• Table 7.2 Causes and Corrective Actions for When the Digital Operator Goes Dark
• Note in Table 7.3 Operation Error Displays and Incorrect Settings
• Adjusted Silp Value in Table 7.5 Errors During Autotuning
• CPE in Table 7.6 Errors during Copy Function
• Following descriptions in Troubleshooting
• The Inverter does not operate
• Acoustic Noise from the Motor Changes
(OH1), OL1, OL2, PGO, DEV, CPF03 to CPF05 and CPF23 faults and OH, FBL,
PGO, and DEV alarms
Descriptions of E-15
• Description of how to attach the fan cover for 200 V Class Inverters of 22 kW, 45 kW,
55 kW, 400 V Class Inverters of 18.5 kW to 75 kW
• Description of how to replace the cooing fan and circulation fan for 400 V Class
Inverters of 185 kW, 220 kW, and 300 kW
Inverters
• Notes *7 and *8 in Table 9.3 Common Specifications
• MECHATROLINK Communications Interface Board SI-T in Table 9.5 Option Boards
• Conformance to CE markings
• Note *4 in Fig 10.9
 Table 3.2 Relation of Inverter to RUN and STOP Indicators
ing.