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VARISPEED V7
Omron VARISPEED V7 User Manual
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22
Main Circuit T
erminal Arrangement
The
termin
al a
rrange
ment o
f the
main ci
rcuit
term
inals
depends
on the
Inverte
r model.
CIMR-V7AZ20P1 to 20P7, B0P1 to B0P4
CIMR-V7AZ21P5, 22P2, B0P7, B1P5, 40P2 to 42P2
CIMR-V7AZ24P0, B2P2, 43P0, 44P0
CIMR-V7AZB4P0
CIMR-V7AZ25P5, 27P5, 45P5, 47P5
R/L1
S/L2
T/L3
㧙
+1
+2
B1
B2
U/T1
V/T2
W/T3
22
24
Table of Contents
Default Chapter
2
General Precautions
2
Notation for Safety Precautions
3
Warning Label
13
Table of Contents
14
1 Receiving the Product
19
Checking the Nameplate
20
2 Identifying the Parts
21
3 Mounting
24
Choosing a Location to Mount the Inverter
24
Mounting Dimensions
25
Mounting/Removing Components
26
Removing the Front Cover
26
Mounting the Front Cover
26
Removing the Terminal Cover
26
Mounting the Terminal Cover
27
Removing the Digital Operator
27
Mounting the Digital Operator
27
Mounting the Bottom Cover
28
4 Wiring
29
Wire and Terminal Screw Sizes
31
Wiring the Main Circuits
35
Wiring the Control Circuits
37
Wiring Inspection
38
5 Operating the Inverter
39
Test Run
40
Selecting Rotation Direction
42
Operation Check Points
42
Operating the Digital Operator
43
Description of Status Indicators
44
Function Indicator Description
46
MNTR Multi-Function Monitoring
47
Input/Output Terminal Status
49
Data Reception Error Display
49
Simple Data Setting
51
6 Programming Features
53
Hardware
53
Software (Constant)
53
Constant Setup and Initialization
54
Constant Selection/Initialization (N001)
54
Using V/F Control Mode
56
Adjusting Torque According to Application
56
Using Vector Control Mode
60
Precautions for Voltage Vector Control Application
60
Motor Constant Calculation
61
V/F Pattern During Vector Control
62
Switching LOCAL/REMOTE Mode
63
How to Select LOCAL/REMOTE Mode
64
Selecting Run/Stop Commands
64
LOCAL Mode
64
REMOTE Mode
65
Operating (Run/Stop Commands) by Communications
65
Selecting Frequency Reference
65
LOCAL Mode
66
REMOTE Mode
66
Setting Operation Conditions
67
Autotuning Selection (N139)
67
Operating Procedure
70
Reverse Run Prohibit (N006)
75
Multi-Step Speed Selection
75
Operating at Low Speed
76
Adjusting Speed Setting Signal
77
Adjusting Frequency Upper and Lower Limits
78
Using Four Acceleration/Deceleration Times
78
Momentary Power Loss Ridethrough Method (N081)
80
S-Curve Selection (N023)
81
Torque Detection
82
Frequency Detection Level (N095)
83
Frequency Detection
84
Jump Frequencies (N083 to N086)
85
Continuing Operation Using Automatic Retry Attempts
85
Frequency Offset Selection (N146)
86
Operating a Coasting Motor Without Tripping
89
Holding Acceleration/Deceleration Temporarily
90
External Analog Monitoring(N066)
91
Calibrating Frequency Meter or Ammerter (N067)
92
Using Analog Output (AM-AC) as Pulse Train Signal
92
Carrier Frequency Selection (N080)14Khz Max
95
Operator Stop Key Selection (N007)
99
Second Motor Selection
100
Selecting the Stopping Method
107
Stopping Method Selection (N005)
107
Applying DC Injection Braking
108
Simple Positioning Control When Stopping
108
Building Interface Circuits with External Devices
111
Using Input Signals
111
Using the Multi-Function Analog Inputs
121
Using Output Signals (N057, N058, N059)
125
Setting Frequency by Current Reference Input
127
Frequency Reference by Pulse Train Input
129
Two-Wire Sequence 2
131
Preventing the Motor from Stalling (Current Limit)
132
Stall Prevention During Operation
134
Decreasing Motor Speed Fluctuation
136
Slip Compensation (N002 = 0)
136
Motor Protection
137
Motor Overload Detection
137
PTC Thermistor Input for Motor Overheat Protection
139
Selecting Cooling Fan Operation
142
Using MEMOBUS (MODBUS) Communications
142
MEMOBUS (MODBUS) Communications
142
Communications Specifications
143
Communications Connection Terminal
143
Setting Constants Necessary for Communication
144
Message Format
145
Storing Constants [Enter Command]
156
Error Code
158
Performing Self-Test
159
Using PID Control Mode
160
PID Control Selection (N128)
160
Analog Position Control with Bi-Directional PID Output
164
Bidirectional Reference Control
165
Using Constant Copy Function
169
Constant Copy Function
169
READ Function
171
COPY Function
173
VERIFY Function
175
Inverter Capacity Display
177
Software No. Display
179
Display List
180
Customer Specific Display Scaling
182
Selecting Processing for Frequency Reference Loss (N064)
184
Input/Output Open-Phase Detection
185
Undertorque Detection
186
Using Inverter for Elevating Machines
188
Brake ON/OFF Sequence
188
Stall Prevention During Deceleration
190
Settings for V/F Pattern and Motor Constants
190
Momentary Power Loss Restart and Fault Restart
190
I/O Open-Phase Protection and Overtorque Detection
190
Carrier Frequency
190
External Baseblock Signal
191
Acceleration/Deceleration Time
191
Contactor on the Inverter's Output-Side
191
Using MECHATROLINK-II Communications
192
7 Maintenance and Inspection
193
Periodic Inspection
194
Part Replacement
195
Replacement of Cooling Fan
196
8 Fault Diagnosis
198
Protective and Diagnostic Functions
198
Corrective Actions of Models with Blank Cover
198
Corrective Actions of Models with Digital Operator
199
Fault Display
204
Troubleshooting
213
9 Specifications
215
Standard Specifications (200 V Class)
215
Standard Specifications (400 V Class)
219
Standard Wiring
223
Sequence Input Connection with NPN/PNP Transistor
227
Dimensions/Heat Loss
229
Recommended Peripheral Devices
232
Constants List
235
10 Conformance to CE Markings
248
CE Markings
248
Requirements for Conformance to CE Markings
248
Low Voltage Directive
248
EMC Directive
249
Emc Noise Filter
252
Revision History
254
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Omron VARISPEED V7 Specifications
General
Brand
Omron
Model
VARISPEED V7
Category
Inverter
Language
English
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