LSIS SV-iS7 series User manual

● Please read all safety precautions before
using this product.
● After reading this manual, please store it in
a location where it can be easily found.
Web Control Manual
SV - iS7
AC Variable Speed Drive
The best choice for your best interests!
LSIS works hard to ensure that all our clients receive the best possible
benefits.
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About This Manual
iii
About This Manual
This manual discusses the specifications, features, installation, operation, and
maintenance of the iS7 Web Control. This manual is designed for users who
already have a basic understanding of inverters.
Please read this manual before using your inverter to fully understand the
performance, functionality, installation, and operation of this product. In addition
to this, please ensure that the end user and maintenance manager have read
this manual.

Safety Precautions
iv
Safety Precautions
Safety Precautions help you prevent accidents and use this product properly.
Make sure you adhere to all Safety Precautions outlined in this manual.
There are two types of symbols used in this manual: Warning symbols and
Caution symbols. These symbols indicate the following.
Precaution
Definition
Warning
This symbol indicates the possibility of electric shock.
Caution
This symbol indicates a protective conductor terminal.
The symbols displayed on the inverter and in the manual indicate the following.
Note
Failure to adhere to caution information may result in serious consequences,
depending on the situation.
The symbols displayed on the inverter and in the manual indicate the following.
Symbol
Definition
This symbol indicates a potential danger.
This symbol indicates the possibility of electric shock.
After reading this manual, please store it in a location where it can be easily
found.
Please read this manual carefully to ensure the safe and effective use of the iS7
Web Control.

Safety Precautions
v
Warning
 Do not open the cover while the power is on or at any time during operation.
Doing so may result in an electric shock.
 Do not operate the inverter while the cover is open.
Exposing the high voltage terminal or charging area to the external environment may
result in an electric shock.
 Do not open the cover even when the power supply has been switched off. This
excludes necessary maintenance or regular inspection.
Opening the cover may result in an electric shock even if the power supply is off. The
inverter may hold a charge long after the power supply has been switched off.
 Do not conduct maintenance or inspection without first ensuring that the DC
voltage of the inverter has been fully discharged. To ensure this, use a voltage
tester at least ten minutes after the power supply has been cut off.
Doing so may result in an electric shock. (DC 30 V or less)
 Do not operate switches on the inverter with wet hands.
Doing so may result in an electric shock.
 Do not use the inverter if the cable has been damaged.
Doing so may result in an electric shock.
 Do not place heavy objects on the cable.
Placing heavy objects on the cable could damage its sheath and may result in an
electric shock.
Caution
 Do not install the product near any flammable materials.
Mounting the inverter on or near flammable materials may start a fire.
 Switch off the power supply to a faulty inverter.
Failure to switch off the power supply to a faulty inverter may start a fire.
 Do not touch the inverter while the power supply is on or within ten minutes of
switching the power supply off.
Touching the inverter during this period may result in a burn due to the high operating
temperatures of this product.
 Do not supply power to a faulty inverter even after it has been installed.
Doing so may result in an electric shock.
 Make sure that foreign substances, such as screws, metal, water, and oil, do not
enter the inverter.
Introducing foreign substances to the inverter may start a fire.

Usage Precautions
vi
Usage Precautions
 Transportation and Installation
 Transport the product in a manner appropriate for its weight.
 Install the product according to the procedures described in this manual.
 Do not open the access panel during transport.
 Do not place heavy objects on the product.
 Install the product in the direction specified by this manual.
 This inverter is a precision instrument. Do not drop it or expose it to hard
impact.
 The inverter requires a special Class 3 grounding construction.
 Immediately place any detached PCB on a protective conductor if you must
remove it for installation or repair. The inverter can be damaged by static
electricity.
 Do not expose the inverter to snow, rain, mist or dust.
 Do not obstruct the vents for the cooling fan. This could result in the inverter
overheating.
 Make sure that power to the inverter is turned off before installation.
 Ensure that all cables are in good condition. This will minimize the risk of fire
or electric shock. Do not use poor quality cables or extend the length of the
existing cable.
Only operate the inverter under the following conditions.
Item
Details
Environment
Temperature
-10℃ - 50℃ (Provided no ice or frost has formed.)
Humidity
90% RH or less (Provided no condensation has formed.)
Storage
temperature
-20 - 65℃
Environment
There should be no corrosive or flammable gas, oil residue,
dust, etc.
Altitude/Vibrations
Altitude of 1,000 m or lower/vibrations of 5.9 m/sec² (= 0.6 g)
or less
Ambient pressure
70 - 106 kPa

Usage Precautions
vii
 Wiring
 Do not install a phase advance capacitor, surge filter, or radio noise filter on
the output of the inverter.
 Connect the output side terminals (R, S and T) in the correct order.
 The inverter may be damaged if these terminals are incorrectly connected.
 Be careful. Connecting the input side (terminals DCP, DCN) into the output
side (terminals R, S, T) incorrectly may damage the inverter.
Caution
Wiring or inspection must be performed by a qualified technician.
 Fully install the inverter before wiring.
 Starting the Inverter
 Do not supply a voltage to any terminal if it exceeds the range outlined in the
manual. Excess voltage may damage the inverter.
 Usage
 Do not modify the interior workings of the inverter.
 Disposal
 Dispose of the inverter according to your local regulations regarding the
disposal of industrial waste.
 Recycle all recyclable components contained in this inverter to preserve
energy and resources.
 The packing materials and metal components of this product are recyclable
in most areas. Plastic parts are recyclable or may be burned in a controlled
environment, depending on local regulations.
 Cleaning
 Turn off the inverter prior to cleaning. Clean the inverter with a dry cloth.
Never use water or a wet cloth to clean the inverter.

Usage Precautions
viii
 Long-term Storage
If you are not planning on using the inverter for a long period of time, store it
under the following conditions:
 Store the inverter in an area which complies with the recommended storage
environment guidelines. (See page vi.)
 If the storage period exceeds three months, store the inverter at a
temperature of between -10 and 30˚C to prevent thermal degradation of the
electrolytic capacitor.
 Package the inverter to prevent moisture from accumulating inside it. Ensure
that the inverter is stored with a relative humidity of less than 70% by placing
a desiccant (silica gel) packet inside the packaging.
 If the inverter is exposed to humidity or dust (e.g. if it is installed on
construction equipment), detach it from the equipment before storing it under
the conditions set forth on page vi.
Caution
If the inverter is not supplied with electricity for a long period of time, the electrolytic
condenser may suffer from thermal degradation. To prevent this from happening, connect
the power supply to the inverter for 30 - 60 minutes at least once a year. Do not perform
any wiring or other operation on the output (secondary) side of the inverter.

Table of Contents
ix
Table of Contents
ABOUT THIS MANUAL ...................................................................................................... III
SAFETY PRECAUTIONS ................................................................................................... IV
USAGE PRECAUTIONS ..................................................................................................... VI
TABLE OF CONTENTS ...................................................................................................... IX
1. PRECAUTIONS...................................................................................................... 1-1
1.1 Product Overview ................................................................................................... 1-1
1.2 Products with a Built-in Braking Resistor (capacity = less than 3.7 kW) .................. 1-1
2. WINDER/UNWINDER OPERATION ...................................................................... 2-1
2.1 Overview ................................................................................................................ 2-1
2.2 General Configuration ............................................................................................ 2-3
2.3 Main Speed Command Section .............................................................................. 2-8
2.4 Tension Command Section .................................................................................. 2-11
2.5 Web PID Controller Section .................................................................................. 2-16
2.6 Diameter Computation Section ............................................................................. 2-25
2.7 Final Speed Computation Section ........................................................................ 2-33
2.8 Analog Output Section ......................................................................................... 2-40
2.9 Final Tension Computation Section ...................................................................... 2-41
2.10 Web Break Detection Section ............................................................................... 2-42
2.11 Torque Limit Computation Section ........................................................................ 2-44
2.12 Web Function without Diameter Computation Section .......................................... 2-47
3. CAPSTAN OPERATION ......................................................................................... 3-1
3.1 Overview ................................................................................................................ 3-1
3.2 General Configuration ............................................................................................ 3-3
3.3 Main Speed Command Section .............................................................................. 3-4
3.4 Web PID Controller Section .................................................................................... 3-4
3.5 Analog Output Section ........................................................................................... 3-4
3.6 Web Break Detection Section ................................................................................. 3-4
3.7 Material Thickness Computation Section ................................................................ 3-5

Table of Contents
x
3.8 Final Speed Computation Section ........................................................................ 3-11
4. OTHER FUNCTIONS .............................................................................................. 4-1
5. APPLIED FUNCTIONS ........................................................................................... 5-1
5.1 Setting the Override Frequency Using the Aux Frequency Command .................... 5-1
5.2 Jog Operation (Jog-operating the Inverter) ............................................................. 5-5
5.3 Up – Down Operation ............................................................................................. 5-9
5.4 Wire Operation (Operating the Inverter with the Push Button or Equivalent) ........ 5-11
5.5 Safe Operation Mode (Using the Terminal Input to Limit Operation) ..................... 5-12
5.6 Dwell Operation (Operating the Inverter in Dwell Mode) ....................................... 5-14
5.7 Slip compensation operation ................................................................................ 5-16
5.8 PID Control .......................................................................................................... 5-18
5.9 Auto-tuning ........................................................................................................... 5-25
5.10 V/F Operation Using the Speed Sensor ................................................................ 5-31
5.11 Sensorless (I) Vector Control ................................................................................ 5-32
5.12 Sensorless (II) Vector Control ............................................................................... 5-34
5.13 Vector Control ...................................................................................................... 5-38
5.14 Torque Control (Controlling the Torque) ................................................................ 5-45
5.15 Droop Control ....................................................................................................... 5-47
5.16 Speed/Torque Switchover ..................................................................................... 5-47
5.17 Kinetic Energy Buffering ....................................................................................... 5-48
5.18 Energy Saving Operation ..................................................................................... 5-49
5.19 Speed Search Operation ...................................................................................... 5-50
5.20 Automatic Restart Operation ................................................................................ 5-54
5.21 Operation Sound Selection ................................................................................... 5-56
5.22 Second Motor Operation (with One Inverter) ........................................................ 5-58
5.23 Bypass Operation ................................................................................................. 5-60
5.24 Cooling Fan Control ............................................................................................. 5-61
5.25 Input Power Frequency Selection ......................................................................... 5-62
5.26 Inverter Input Voltage Selection ............................................................................ 5-62
5.27 Reading, Writing, and Saving Parameters ............................................................ 5-62
5.28 Parameter Initialization ......................................................................................... 5-63