YASKAWA G7 Series

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Installing and Wiring Option Cards

2-37

Fig 2.21 I/O Circuit Configuration of the PG-A2

PG power

supply

+12 Vdc

Short for

open-

collector

input

Pulse

input

Pulse input

Pulse

monitor

output

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Table of Contents9
Handling Drives15
Varispeed G7 Introduction16
Varispeed G7 Models16
Confirmations Upon Delivery17
Checks17
Nameplate Information17
Component Names19
Exterior and Mounting Dimensions21
Open Chassis Drives (IP00)21
NEMA Type 1 Drives (IP 20)22
Checking and Controlling the Installation Site24
Installation Site24
Controlling the Ambient Temperature24
Protecting the Drive from Foreign Matter24
Installation Orientation and Space25
Removing and Attaching the Terminal Cover26
Removing the Terminal Cover26
Attaching the Terminal Cover27
Removing/Attaching the Digital Operator and28
Models CIMR-G7U20P4 Thru 2015 and 40P4 Thru 401528
Models CIMR-G7U2018 Thru 2110 and 4018 Thru 430031
Wiring33
Connection Diagram34
Terminal Block Configuration36
Wiring Main Circuit Terminals37
Applicable Wire Sizes and Closed-Loop Connectors37
Main Circuit Terminal Functions45
Main Circuit Configurations46
Standard Connection Diagrams47
Wiring the Main Circuits48
Wiring Control Circuit Terminals54
Wire Sizes and Closed-Loop Connectors54
Control Circuit Terminal Functions55
Control Circuit Terminal Connections61
Control Circuit Wiring Precautions62
Control Circuit Wire Sizes62
Installing and Wiring Option Cards63
Option Card Models and Specifications63
Installation64
PG Speed Control Card Terminals and Specifications65
Wiring68
Wiring Terminal Blocks72
Selecting the Number of PG (Encoder) Pulses73
Digital Operator and Modes75
Digital Operator76
Digital Operator Display77
Digital Operator Keys77
Modes79
Drive Modes79
Switching Modes80
Drive Mode81
Quick Programming Mode83
Advanced Programming Mode84
Verify Mode87
Autotuning Mode88
Trial Operation91
Trial Operation Procedure92
Trial Operation Procedures93
Setting the Power Supply Voltage Jumper (380-480V Class Drives of 4055 or Higher)93
Power on93
Checking the Display Status94
Basic Settings95
Settings for the Control Methods97
Autotuning99
Application Settings104
No-Load Operation104
Loaded Operation105
Check and Recording User Parameters106
Adjustment Suggestions107
User Parameters113
User Parameter Descriptions114
Description of User Parameter Tables114
Digital Operation Display Functions and Levels115
User Parameters Settable in Quick Programming Mode116
User Parameter Tables122
A: Setup Settings122
Application Parameters: B124
Autotuning Parameters: C134
Reference Parameters: D140
Motor Setup Parameters: E146
Option Parameters: F153
Terminal Function Parameters: H162
Protection Function Parameters: L173
N: Special Adjustments186
Digital Operator Parameters: O192
T: Motor Autotuning196
U: Monitor Parameters198
Factory Settings that Change with the Control Method (A1-02)208
Factory Settings that Change with the Drive Capacity (O2-04)214
Parameter Settings by Function219
Frequency Reference220
Selecting the Frequency Reference Source220
Using Multi-Step Speed Operation223
Run Command225
Selecting the Run Command Source225
Stopping Methods227
Selecting the Stopping Method When a Stop Command Is Sent227
Using the DC Injection Brake231
Using an Emergency Stop232
Acceleration and Deceleration Characteristics233
Setting Acceleration and Deceleration Times233
Accelerating and Decelerating Heavy Loads (Dwell Function)237
Preventing the Motor from Stalling During Acceleration (Stall Prevention During Acceleration Function)238
Preventing Overvoltage During Deceleration (Stall Prevention During Deceleration Function)240
Adjusting Frequency References242
Adjusting Analog Frequency References242
Operation Avoiding Resonance (Jump Frequency Function)245
Adjusting Frequency Reference Using Pulse Train Inputs247
Speed Limit (Frequency Reference Limit Function)248
Limiting Maximum Output Frequency248
Limiting Minimum Frequency249
Improved Operating Efficiency250
Reducing Motor Speed Fluctuation (Slip Compensation Function)250
Compensating for Insufficient Torque at Startup and Low-Speed Operation (Torque Compensation)253
Hunting-Prevention Function255
Stabilizing Speed (Speed Feedback Detection Function)256
Machine Protection257
Reducing Noise and Leakage Current257
Limiting Motor Torque (Torque Limit Function)260
Preventing Motor Stalling During Operation262
Changing Stall Prevention Level During Operation Using an Analog Input263
Detecting Motor Torque263
Changing Overtorque and Undertorque Detection Levels Using an Analog Input268
Motor Overload Protection269
Setting Motor Protection Operation Time271
Motor Overheating Protection Using PTC Thermistor Inputs272
Limiting Motor Rotation Direction274
Continuing Operation275
Restarting Automatically after Power Is Restored275
Speed Search277
Continuing Operation at Constant Speed When Frequency Reference Is Lost283
Restarting Operation after Transient Error (Auto Restart Function)284
Drive Protection285
Performing Overheating Protection on Mounted Braking Resistors285
Reducing Drive Overheating Pre-Alarm Warning Levels286
Input Terminal Functions287
Temporarily Switching Operation between Digital Operator and Control Circuit Terminals287
Blocking Drive Outputs (Baseblock Commands)288
Stopping Acceleration and Deceleration (Acceleration/Deceleration Ramp Hold)289
Raising and Lowering Frequency References Using Contact Signals (UP/DOWN)290
Accelerating and Decelerating Constant Frequencies in the Analog References (+/- Speed)293
Hold Analog Frequency Using User-Set Timing294
Switching Operations between a Communications Option Card and Control Circuit Terminals294
Jog Frequency Operation Without Forward and Reverse Commands (FJOG/RJOG)295
Stopping the Drive by Notifying Programming Device Errors to the Drive (External Fault Function)296
Monitor Parameterss297
Using the Analog Monitor Parameters297
Using Pulse Train Monitor Contents300
Individual Functions302
Using MODBUS Communications302
Using the Timer Function315
Using PID Control316
Energy-Saving325
Setting Motor Parameters326
Setting the V/F Pattern329
Torque Control338
Speed Control (ASR) Structure346
Droop Control Function352
Zero-Servo Function353
Digital Operator Functions357
Setting Digital Operator Functions357
Copying Parameters361
Prohibiting Writing Parameters from the Digital Operator366
Setting a Password367
Displaying User-Set Parameters Only367
Options369
Performing Speed Control with PG369
Using Digital Output Cards374
Using an Analog Reference Card377
Using a Digital Reference Card377
Troubleshooting383
Protective and Diagnostic Functions384
Fault Detection384
Alarm Detection391
Operation Errors395
Errors During Autotuning397
Errors When Using the Digital Operator Copy Function399
Troubleshooting400
If Parameters Cannot be Set400
If the Motor Does Not Operate401
If the Direction of the Motor Rotation Is Reversed403
If the Motor Does Not Put out Torque or if Acceleration Is Slow403
If the Motor Operates Higher than the Reference404
If the Slip Compensation Function Has Low Speed Precision404
If There Is Low Speed Control Accuracy at High-Speed Rotation in Open-Loop Vector Control Mode404
If Motor Deceleration Is Slow405
If the Motor Overheats406
If There Is Noise When the Drive Is Started or from an am Radio406
If the Ground Fault Interrupter Operates When the Drive Is Run407
If There Is Mechanical Oscillation407
If the Motor Rotates Even When Drive Output Is Stopped408
If 0 V Is Detected When the Fan Is Started, or Fan Stalls408
If Output Frequency Does Not Rise to Frequency Reference409
Maintenance and Inspection411
Maintenance and Inspection412
Outline of Maintenance412
Daily Inspection412
Periodic Inspection412
Periodic Maintenance of Parts413
Cooling Fan Replacement Outline414
Removing and Mounting the Control Circuit Terminal Card416
Specifications417
Standard Drive Specifications418
Specifications by Model418
Common Specifications420
Specifications of Options and Peripheral Devices421
Appendix425
Varispeed G7 Control Modes426
Control Modes and Features426
Control Modes and Applications430
Drive Application Precautions431
Selection431
Installation432
Settings432
Handling433
Motor Application Precautions434
Using the Drive for an Existing Standard Motor434
Using the Drive for Special Motors435
Power Transmission Mechanism (Speed Reducers, Belts, and Chains)435
CE Markings436
Requirements for Conformance to CE Markings436
User Parameters444

YASKAWA G7 Series - Page 69

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