Delta VFD-EL-W Series - Excellent Grounding Method; Acceptable Grounding Method; Grounding Method Not Allowed

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Chapter 2 Installation and Wiring



VFD-EL-W

2-5

Excellent grounding method:

Acceptable grounding method:

Grounding method not allowed:

Not allowed

Main Page

Preface3
Table of Contents5
Receiving and Inspection8
Nameplate Information8
Chapter 1 Introduction8
Model Name9
Serial Number9
Frame A110
Frame A210
Drive Frames and Appearances10
Frame B11
RFI Jumper Location12
RFI Jumper12
Isolating Main Power from Ground12
Important Points Regarding Ground Connection12
Remove the Control Board Cover13
Remove Cooling Fan13
Preparation for Installation and Wiring14
Ambient Conditions14
Minimum Mounting Clearance15
Single Drive Installation15
Side-By-Side Horizontal Installation15
Zero-Stack Installation15
Installation with Metal Separator17
Installation Without Metal Separator17
Dimensions18
Chapter 2 Installation and Wiring22
Wiring23
230V One-Phase23
460V Three-Phase24
Wiring for NPN and PNP Mode25
Internal Power Supply25
External Power Supply25
Excellent Grounding Method26
Acceptable Grounding Method26
Grounding Method Not Allowed26
External Wiring27
Main Circuit Connection28
Mains Power Terminals (R/L1, S/L2, T/L3)28
Output Terminals for Main Circuit (U, V, W)28
Main Circuit Terminals29
Control Terminals30
Terminal Symbols and Functions30
Analog Inputs (AVI, ACM)31
Digital Inputs (MI1, MI2, MI3, DCM)31
Specification for the Control Terminals32
NPN / PNP Mode33
Chapter 3 Keypad and Start up35
Description of the Digital Keypad36
There Are Four Leds on the Keypad36
Description of the Displayed Functions37
Keypad Operation Process38
Reference Table for the Seven-Segment LED Display of Digital Keypad38
Operation Method39
Trial Run41
Motor Operating Direction41
Chapter 4 Parameters43
Summary of Parameter Settings44
Group 0 User Parameters44
Group 1 Basic Parameters46
Group 2 Operation Method Parameters48
Group 3 Output Function Parameters50
Group 4 Input Function Parameters52
Group 5 Multi-Step Speed Parameters55
Group 6 Protection Parameters56
Group 7 Motor Parameters58
Group 8 Special Parameters59
Group 9 Communication Parameters61
Group 10 PID Control Parameters62
Parameter Settings for Applications65
Speed Search65
DC Brake before Running65
Energy Saving65
Frequency Hold66
Auto-Restart after Fault66
Emergency Stop by DC Brake66
Over-Torque Setting66
Keep Running When Frequency Command Is Lost67
Output Signal During Running67
Output Signal in Zero Speed67
Output Signal at Set Frequency67
Output Signal for Base Block68
Overheating Warning for Heat Sink68
Description of Parameter Settings69
Group 0: User Parameters69
Parameter Reset69
Start-Up Display Selection69
Content of Multi-Function Display70
User-Defined Coefficient K70
Software Version70
Password Input70
Password Decode Flow Chart71
Control Mode71
50 Hz Base Voltage Selection71
User-Defined Value ()72
Decimal Place of User-Defined Value72
Group 1: Basic Parameters73
Maximum Output Frequency (Fmax)73
Motor Rated Frequency (Fbase)73
Motor Rated Voltage (Vbase)73
Output Frequency Lower Limit74
Acceleration Time 174
Deceleration Time 174
Acceleration / Deceleration Time Unit74
Jog Acceleration Time75
Jog Deceleration Time75
Jog Frequency75
Resulting Accel./Decel. Time75
Acceleration S-Curve76
Deceleration S-Curve76
Simple Positioning Stop Frequency 076
Simple Positioning Stop Frequency 176
Simple Positioning Stop Frequency 377
Simple Positioning Stop Frequency 477
Simple Positioning Stop Frequency 577
Simple Positioning Stop Frequency 677
Group 2: Operation Method Parameters80
First Master Frequency Command Source80
Second Master Frequency Command Source80
First Operation Command Source80
PWM Carrier Frequency Selection81
Motor Direction Control82
Power-On83
Loss of ACI Signal (4–20 Ma)84
Up/Down Mode84
Keypad Frequency Command84
Communication Frequency Command85
Saving Keypad or Communication Frequency Command Selection85
Initial Frequency Selection (for Keypad & RS-485)85
Initial Frequency Setting (for Keypad & RS-485)85
User-Defined Value 286
Multi-Function Output Relay (RA1, RB1, RC1)87
Reserved88
Desired Frequency Reached88
Terminal Count Value88
Preliminary Count Value88
EF Active When Terminal Count Value Reached89
Fan Control89
Mechanical Brake Release Frequency89
Mechanical Brake Engage Frequency89
Display the Status of the Multi-Function Output Terminals90
Keypad Potentiometer Bias91
Keypad Potentiometer Bias Polarity91
Keypad Potentiometer Gain91
Minimum AVI Voltage94
Minimum AVI Frequency (Percentage of Pr.01.00)94
Maximum AVI Voltage94
Maximum AVI Frequency (Percentage of Pr.01.00)94
MI Terminal Control Mode Selection95
Start-Up95
Stop Method of MI Terminals and Multi-Function Input Selection95
Start-Up/Stop or Multi-Function Input Terminal (MI2)96
Start-Up/Stop or Multi-Function Input Terminal (MI3)96
Multi-Function Input Terminal (MI4)96
Multi-Function Input Contact Selection99
Digital Terminal Input Response Time99
Display the Status of Multi-Function Input Terminal99
Internal/External Multi-Function Input Terminals Selection100
Internal Terminal Status100
Delay Time of Multi-Function Input Terminal (MI1) Turn on101
Delay Time of Multi-Function Input Terminal (MI1) Turn off101
Delay Time of Multi-Function Input Terminal (MI2) Turn on101
Delay Time of Multi-Function Input Terminal (MI3) Turn off101
Group 5: Multi-Step Speed Parameters102
1St Step Speed Frequency102
2Nd Step Speed Frequency102
3Rd Step Speed Frequency102
Over-Voltage Stall Prevention103
Over-Current Stall Prevention During Acceleration103
Over-Current Stall Prevention During Operation104
Over-Torque Detection Mode (OL2)104
Over-Torque Detection Level104
Over-Torque Detection Time105
Electronic Thermal Overload Relay Selection (OL1)105
Electronic Thermal Characteristic105
Present Fault Record105
Motor Disconnection Detection Time106
Motor Disconnection Detection Current Level106
Motor Rated Current107
Motor No-Load Current107
Torque Compensation107
Slip Compensation Gain107
Motor Line-To-Line Resistance R1 (Motor 0)108
Motor Rated Slip (Motor 0)108
Slip Compensation Limit108
Torque Compensation Time Constant108
Motor PTC Overheat Protection109
Motor PTC Overheat Protection Level109
Motor PTC Overheat Warning Level110
Motor PTC Overheat Reset Delta Level110
Motor PTC Overheat Action110
Motor PTC Protection Input Response Time110
DC Brake Current Level111
DC Brake Time During Start-Up111
DC Brake Time During Stopping111
Start-Point for DC Brake111
Base Block Speed Search112
Base Block Time for Speed Search (B.B.)112
Current Limit for Speed Search113
Skip Frequency 1 Upper Limit113
Skip Frequency 1 Lower Limit113
Skip Frequency 2 Upper Limit113
Auto-Energy Saving114
Automatic Voltage Regulation (AVR)114
Compensation Coefficient for Motor Instability114
DC Current Level During Preheating114
DC Current Cycle Time During Preheating115
Fire Mode116
Operating Frequency During Fire Mode116
Number of Fire Mode Actions116
Group 9: Communication Parameters118
Communication Address118
Transmission Speed118
Communication Protocol118
Control by PC119
Data Format119
Character Frame for RTU120
Communication Data Frame121
ASCII Mode121
RTU Mode121
Address List124
Exception Response126
Explanation of Exception Codes127
Communication Program for a PC127
Response Delay Time128
Group 10: PID Control Parameters129
PID Set Point Selection129
Input Terminal for PID Feedback129
PID Set Point Value129
Upper Bound for Integral Control130
PID Filter Time130
PID Output Frequency Limit130
PID Feedback Signal Detection Time130
Gain over the PID Detection Value131
PID Deviation Level131
PID Deviation Detection Time131
Sleep Detection Time131
PID Offset132
Feedback of PID Physical Quantity Value132
PID Calculation Mode Selection132
Parallel Mode133
Erroneous PID Feedback Deviation Level Action133
Restart Delay Time after Erroneous PID Deviation Level133
Set Point Deviation Level133
Liquid Leakage Change Detection134
Time Setting for Liquid Leakage Change134
Multi-Pump Control Mode134
Multi-Pump ID135
Multi-Pump’s Fixed Time Circulation Period135
Frequency to Start Switching Pumps135
Time Detected When Pump Reaches the Stopping Frequency135
Pump’s Error Treatment136
Selection of Pump’s Start-Up Sequence136
Running Time of Multi-Pump under Alternative Operation136
Specify the Setting for Pr.10.12 [PID Deviation Level]136
Number of Times of Restart after PID Fault137
VFD-EL-W Multi-Pump SOP138
Optional Accessories for Multi-Pumps under Alternative Operation139
Four-Port Communication Breakout Box139
Related Parameters When Setting Pr.10.35=1140
Chapter 5 Troubleshooting151
Over-Current (Oc)151
Over-Voltage (Ov)151
Low Voltage (Lv)151
Overheat (Oh1)151
Overload (Ol)151
Keypad Display Is Abnormal151
Phase Loss (PHL)151
Motor Does Not Run151
Motor Speed Cannot be Changed151
Over-Current (Oc)152
Over-Voltage (Ov)153
Low Voltage (Lv)154
Overheat (Oh1)155
Overload (Ol)156
Keypad Display Is Abnormal157
Phase Loss (PHL)157
Motor Does Not Run158
Motor Speed Cannot be Changed159
Motor Stalls During Acceleration160
The Motor Does Not Run as Expected160
Electromagnetic/Induction Noise161
Operating Environment Condition161
Affecting Other Machines162
High Harmonics at Power Side162
Motor Temperature Rises162
Maintenance and Inspections164
Chapter 6 Fault Code Information and Maintenance164
Fault Code Information165
Ambient Environment169
Voltage169
Maintenance and Inspections169
Appendix A Specifications174
Derating Curve for Ambient Temperature and Carrier Frequency178
Ambient Temperature Derating Curve178
Carrier Frequency Derating Curve178
Non-Fuse Circuit Breaker Chart180
Fuse Specification Chart180
Appendix B Accessories180
Reactor180
AC Reactor180
Reactor181
AC Reactor181
AC Input Reactor Recommended Value181
AC Output Reactor Recommended Value181
Applications182
Connected in Input Circuit182
Correct Wiring182
Zero Phase Reactor183
Rf220X00A183
600V Insulated Unshielded Cable183
Digital Keypad184
Vfd-Pu06184
Digital Keypad VFD-PU06 Description184
Display Message Explanation184
Operation Flow Chart186
VFD-PU08 and VFD-PU08V187
Communication Cable188
Optional Fan Kit189
Cooling Fan Installation189
Appendix C How to Select the Right AC Motor Drive191
Capacity Formulas191
General Precaution191
Capacity Formulas192
Symbol Explanation193
General Precautions194
Selecting an AC Motor Drive194
Setting Parameters194
How to Choose a Suitable Motor195
Standard Motors195
Special Motors195
Pole-Changing (Dahlander) Motor195
Power Transmission Mechanism196
Motor Torque196

Delta VFD-EL-W Series - Excellent Grounding Method; Acceptable Grounding Method; Grounding Method Not Allowed

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