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vacon • 6Preface
1.P
The VACON® AC drive contains a preloaded VACON® 100 Solar Pump application for instant use.
REFACE
1.1Specific functions of VACON® Solar pump application
The VACON® 100 Solar Pump application allows flexible use of VACON® 100 frequency converters.
This dedicated application software was developed to drive a solar pump with an optimized MPPT
(Maximum Power Point Tracking) for VACON® 100 supplied by solar panels.
The MPPT is based on 4 parallel algorithms:
•Feed-Forward Controller (to follow the radiation variations)
•Correction Controller (to compensate the temperature variations)
•Oscillation Damping Regulator (to prevent the panel entering in the “current source” branch
of the characteristic)
•Local Maxima logic (to prevent the regulator from being trapped in a local maximum lower
than absolute maximum)
Features
•The MPP Tracker controls DC voltage reference in order to find the maximum power.
•Extensive wizards for start-up, PID-control used to facilitate commissioning
•‘Funct’ button for easy change between Local (keypad) and Remote control place. The
remote control place is selectable by parameter (I/O or Fieldbus)
•8 preset frequencies
•Motor potentiometer functions
•2 programmable ramp times, 2 supervisions and 3 ranges of prohibited frequencies
•Control page for easy operation and monitoring of the most essential values.
•Fieldbus data mapping
•Automatic reset
•Different pre-heat modes used to avoid condensation problems
•Maximum output frequency 320Hz
•Real-time clock and timer functions available (optional battery required). Possible to program 3 time channels to achieve different functions on the drive (e.g. Start/Stop and Preset
frequencies)
•External PID-controller available. Can be used to control e.g. a valve using the AC drive I/O
•Sleep mode function which automatically enables and disables drive running with user
defined levels to save energy.
•2-zone PID-controller (2 different feedback signals; minimum and maximum control)
•Two setpoint sources for the PID-control. Selectable with digital input
•PID setpoint boost function
•Feedforward function to improve the response to the process changes
•Process value supervision
•Maintenance counter
•Underload protection can be managed by measuring Motor torque (standard sensorless
mode) or by measuring the water flow with a flow meter sensor. This sensor can be an analogue signal or a digital input. With this sensor it is possible to measure the water flow
[litres/min] and the total volume of the water flow [m3].
•Sleep mode can be enabled or disabled with a parameter.
•Digital inputs can be used to measure water levels (minimum and maximum).
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Safetyvacon • 7
2.S
This manual contains clearly marked warning information which is intended for your personal safety and to avoid any unintentional damage to the product or connected appliances.
Before installing, commissioning or using the frequency converter, please read the warning information contained in the corresponding operating guide/installation manual.
Please read the following additional safety instructions carefully.
Only VACON authorized, trained and qualified personnel are allowed to install, operate and maintain the drive.
AFETY
2.1Danger
These warnings are intended to personnel responsible for grounding the frequency converter.
Ignoring the following instructions can be extremely dangerous and may cause
death or severe injury.
Ground the frequency converter to ensure personnel safety and to reduce electromagnetic interference.
After disconnecting the AC drive from the mains or from the DC input supply,
wait until the indicators on the keypad go out (if no keypad is attached, see the
indicators on the cover). Wait an additional 60 seconds before starting any work
on the connections of the drive. After expiration of this time, use measuring
equipment to absolutely ensure that no
of voltage before starting any electrical work!
voltage is present.
Always ensure absence
2.2Warnings
The touch current of the drive exceeds 3.5mA AC. According to standard
EN61800-5-1, a reinforced protective ground connection must be ensured. See
the Installation Manual/Operating Guide of your product for further information.
Never work on the photovoltaic generator or frequency converter and its input/
output cables when the frequency converter is connected to the mains or to the
photovoltaic generator.
Before performing any measurement on the frequency converter, disconnect or
isolate the mains supply voltage or the DC input supply.
Do not touch the components on the frequency converter or on the string box
cabinet that have high DC voltage.
The photovoltaic generator cells exposed to light supply DC voltage even at low
light intensity.
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vacon • 8Electrical installation
3.E
The installation instructions in this chapter are intended only for VACON® 100 X (MM4-MM6) and
VACON® 100 INDUSTRIAL (MR5-MR12) drives with additional solar pump application. See the corresponding operating guide/installation manual for more installation instructions.
NOTE! The Solar pump application is active only with a plus code: +A1181. The drive can be ordered
from factory using this plus code or it can be activated afterwards by license key.
LECTRICAL INSTALLATION
3.1Danger
The terminals are live when the drive is connected to a photovoltaic system. Photovoltaic
cells generate DC voltage even at low intensity of sunlight.
Wait 60 seconds until the drive is discharged, before switching between AC and DC supply
(photovoltaic system) and vice versa.
3.2Warning
Do not remove the EMC screws in the solar pump application. IT (impedance-grounded) AC
supply network is not allowed in the solar pump application.
3.3DC Fuse selection
The fuses on the DC-Input of the inverter must have the following characteristics:
Table 1. Fuse characteristics
Fuse typeMin. Voltage rating
DC current1000 V
It is recommended to use gPV fuses, which are developed for solar application, in order to protect
cables and panels against reverse overcurrent, when multiple strings are connected in parallel.
See chapter 3.4. for recommended gPV fuse manufacturer.
The photovoltaic fuses have to meet the IEC 60269-6 or the UL 2579 standard.
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Electrical installationvacon • 9
See table below for recommended fuse sizes:
Table 2. Recommended fuse sizes, Mains voltage 3AC 208-240 V, 50/60 Hz, up to 400 V in
0520520.02 x 5002 x 5004
0590590.02 x 6002 x 6004
0651650.04 x 3504 x 4008
MR11
0731730.04 x 4004 x 4008
0650650.04 x 3504 x 4008
0730730.04 x 4004 x 4008
0820820.04 x 4004 x 5008
MR12
0920920.04 x 5004 x 5008
10401040.04 x 6004 x 6008
11801180.04 x 6004 x 6308
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Electrical installationvacon • 11
3.4Manufacturers of gPV fuses
Recommended manufacturers of gPV type fuses:
•Littelfuse
•Siba
•Bussmann
•Mersen
•ETI
•DF Electric
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vacon • 12Electrical installation
3.5Parallel diode selection
When VACON® 100 X (MM4-MM6) or VACON® 100 INDUSTRIAL (MR5-MR12) is used in the Solar
Pump application, a diode must be connected between DC+ and DC- to protect the inverter against
reverse voltage. See tables below for diode specification.
Table 4. Diode specification, Mains voltage 3AC 208-240 V, 50/60 Hz, up to 400 V in VDC
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vacon • 14Electrical installation
Table 5. Diode specification, Mains voltage 3AC 380-480/500 V, 50/60 Hz, up to 800 V in VDC
AC driveDiode specifications
Enclosure
size
MR12
AC drive typemin. IFav [A]
06502 x 1000
07302 x 1000
08202 x 1250
09202 x 1250
10402 x 1500
11802 x 1575
Min. Voltage
rating [V]
12001.5
Max. Vf [V] @
IFav [A]
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Electrical installationvacon • 15
3.6Photovoltaic system dimensioning
The photovoltaic system has to be dimensioned in order to not exceed the values specified in the
tables below. The VACON® 100 X enclosure sizes are MM4-MM6, and VACON® 100 INDUSTRIAL enclosure sizes are MR5-MR12.
Table 6. AC drive (208…240 V 3AC 50/60Hz, up to 400 V in VDC) DC-link input ratings
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Electrical installationvacon • 17
* The minimum value is 300 V when the application version is AMIT1181_V205 and the drive is manufactured after
June 2019.
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vacon • 18Electrical installation
3.7Grounding
3.7.1Pole Grounding
It is prohibited to connect any pole, DC+ or DC-, of the photovoltaic system directly to PE.
3.7.2Drive Grounding
All non-current-carrying metal parts (module frames, enclosures) and also the midpoint of the current carrying conductors of the photovoltaic system must be connected to the PE of the drive.
3.8AC grid connection
3.8.1More than one source of supply
It is not recommended to supply the drive simultaneously from the photovoltaic cell and from grid.
3.8.2Toggle between AC and DC
If both the DC input and the AC input are used (for example, when the energy from the photovoltaic
system is not sufficient), it is not allowed to switch directly between AC and DC supply. When switching from one supply to the other, it is mandatory to wait until the drive is discharged.
The minimum AC-DC switchover delay is 30 s for VACON® 100X MM4-MM6 and VACON® 100 MR5MR6.
The minimum AC-DC switchover delay is 60 s for VACON® 100 MR7-MR12.
DANGER! To completely isolate the equipment, use a two-pole disconnect switch for the photovoltaic input (suitable for DC) and for the grid input (AC switch). Only one of these switches is
allowed to be on at a time. The delay time must be respected when changing from one switch
to the other.
Failure to follow these instructions can lead to death or serious injury.
DANGER! If it is necessary to connect the drive simultaneously on AC and DC supply, note that
if the AC supply is lost, the drive must be separated from the AC supply grid.
Failure to follow these instructions can lead to death or serious injury.
3.8.3Dual supply functionality
Sometimes a back up from the AC mains is needed in case the power from the photovoltaic supply
is not enough, for example, during night time and cloudy weather. The connection can be created in
several different ways. In this chapter, three alternative solutions are described.
Common safety related topic in every solution is to make sure that in case of possible malfunction
of drive there is no DC voltage connected into AC side. DC voltage from photovoltaic system can
make AC supply side parts energized having dangerous voltage, in case AC power is down. DC voltage can go very far distance wise into AC side, as far as galvanically possible. This can be very dangerous especially during AC grid service. System must have a way to prevent this happening.
3.8.3.1Changeover switch
Using a manually operated changeover switch is the most recommended way to make the switchover between AC and DC supply. In this case, a digital input can be programmed to select normal reference when using AC supply or MPPT when using DC supply. The changeover switch must have a
potential free auxiliary contact. See parameter P3.5.1.53 Mains Supply On. In case of a failure, the
changeover switch also prevents the DC voltage from going into the AC side.
3.8.3.2AC and DC connected simultaneously without control
In this case, there is no possibility to have any control if AC or DC supply is used for energy source.
Supply always comes automatically from the source where the voltage is higher. Therefore, photovoltaic dimensioning is very critical. In addition to that, a blocking diode on the DC side is needed to
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Electrical installationvacon • 19
protect solar panels in case their voltage is low. On the AC side, function of the blocking diode is
made by drive rectifier diodes. However, in case of malfunction of rectifier diodes also electromechanics separation is needed in case AC supply goes down. It is mandatory to separate the drive
from AC supply in case of power down. There are different methods to make the separation. See
one example in chapter 3.8.3.3.
3.8.3.3Automatic Dual supply control
This functionality can be used by activating the drive relay output to control additional contactor on
the AC supply side. See the related programming in chapter 7.2.23.3. The functionality can have
three different operation modes:
0 - Always active (supply from AC and DC used together)
Works in the same way as described in chapter 3.8.3.2, but AC supply is only used when the drive is
at Run state.
1 - Closed loop Irradiation
Controls the AC supply contactor based on irradiation measurement on analog input.
2 - Closed loop Sensorless
Controls the AC supply contactor based on periodic PV capacity checks.
In this case, the AC contactor can also be used to separate the drive from mains automatically when
the AC supply goes down. For this, it is mandatory to have a separate control relay on the AC side
to detect supply voltage. This relay can be used to force contactor to switch off. The contactor auxiliary contact should be connected into the drive digital input configured in P3.5.1.60, to tell contactor status.
3.9External +24V supply
Using external supply can be used to keep control energized when mains power is down. System
software version FW0072V030 or newer should be used.
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vacon • 20Electrical installation
11742_uk
3AC
PE
PE
PES
DC
switch
protection
diode
DC
fuses
DC+
DC
power
supply
DC-
L1 L2 L3
DC-DC+R+R-
U/T1 V/T2 W/T3
3.10DC power connection
3.10.1VACON® 100 X drives
Figure 1. Example of the power connections: MM4/MM5
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Electrical installationvacon • 21
L1 L2 L3U/T1 V/T2 W/T3
DC- DC+R+ R-
11743_uk
DC
switch
protection
diode
DC
fuses
3AC
PE
PE
DC+
DC
power
supply
DC-
PES
3AC
PE
PES
11971_uk
DC
switch
protection
diode
DC
fuses
PE
DC+
DC
power
supply
DC-
U V WL1 L2 L3 DC- DC+ R-
Figure 2. Example of the power connections: MM6
3.10.2VACON® 100 INDUSTRIAL drives
Figure 3. Example of the power connections: MR5-MR7
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vacon • 22Electrical installation
UVW
DC- DC+
11972_uk
3AC
PE
PES
DC
switch
protection
diode
DC
fuses
PE
DC+
DC
power
supply
DC-
L1 L2 L3
11973_uk
3AC
PE
PES
DC
switch
protection
diode
DC
fuses
PE
DC+
DC
power
supply
DC-
L1 L2 L3 DC-R+R-
U V W
Figure 4. Example of the power connections: MR8
Figure 5. Example of the power connections: MR9
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Electrical installationvacon • 23
DC+U/T1 V/T2W/T3DC-
3AC
PE
PES
DC
switch
protection
diode
DC
fuses
PE
DC+
DC
power
supply
DC-
7163_uk
DC+
U/T1 V/T2
W/T3
DC-
U/T1 V/T2
W/T3
DC+ DC-
3AC
PE
PES
DC
switch
protection
diode
DC
fuses
PE
DC+
DC
power
supply
DC-
7161_uk
Figure 6. Example of the power connections: MR10 without extension box
Figure 7. Example of the power connections: MR11 without extension box
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vacon • 24Electrical installation
DC+
U/T1 V/T2
W/T3
DC-
DC+ DC-
3AC
PE
PES
DC
switch
protection
diode
DC
fuses
PE
DC+
DC
power
supply
DC-
U/T1
V/T2
W/T3
7162_uk
DC+ DC-
U/T1V/T2W/
T3
3AC
PE
PES
11974_uk
DC
switch
protection
diode
DC
fuses
PE
DC+
DC
power
supply
DC-
Figure 8. Example of the power connections: MR12 without extension box
Figure 9. Example of the power connections: MR10 and MR12 with extension box
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Startupvacon • 25
OK
BACK
RESET
4.S
4.1First Start-up
In the
can start controlling your process. In the Wizard, you will need the following keypad buttons:
Startup Wizard
TARTUP
, you will be prompted for essential information needed by the drive so that it
Left/Right arrows. Use these to easily move between digits and decimals.
Up/Down arrows. Use these to move between options in menu and to change value.
OK button. Confirm selection with this button.
Back/Reset button. Pressing this button, you can return to the previous question in the
Wizard. If pressed at the first question, the Startup Wizard will be canceled.
Once you have connected power to your VACON® 100 X AC drive, follow these instructions to easily
set up your drive.
NOTE: You can have your AC drive equipped with a keypad with either a graphical or a text keypad.
1
2
3
4
5
* These questions appear if battery is installed
Language selection (P6.1)Depends on language package
Russia
Daylight saving* (P5.5.5)
Time* (P5.5.2)hh:mm:ss
Year* (P5.5.4)yyyy
Date* (P5.5.3)dd.mm.
US
EU
OFF
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vacon • 26Startup
6
Push the OK button unless you want to set all parameter values manually.
7
8
9
10
11
12
13
14
15
16
17
Run Startup Wizard?
Make a selection of an application
(P1.2 Application,ID212)
Set a value for P3.1.2.2 Motor
Type (so that it agrees with the
nameplate)
Set value for
Voltg
(according to nameplate)
Set value for
Freq
(according to nameplate)
Set value for
Speed
Set value for
Currnt
Set value for
Phi
Set value
frequency reference
Set
qReference
Set
1
Set
1
(according to nameplate)
(according to nameplate)
value
value
value
P3.1.1.1 Motor Nom
P3.1.1.2 Motor Nom
P3.1.1.3 Motor Nom
P3.1.1.4 Motor Nom
(according to nameplate)
P3.1.1.5 Motor Cos
for
P3.3.1.1 Minimum
for
P3.3.1.2 MaxFre-
for
P3.4.1.2 Accel Time
for
P3.4.1.3 Decel Time
Yes
No
Standard
Local/Remote
Multi-step speed
PID control
Multi-purpose
Motor potentiometer
PM motor
Induction motor
Range:
8.00...320.00 Hz
Range:
Range:
Range:
Range:
Range:
Range:
Range:
Varies
24...19.200 rpm
Varies
0.30...1.00
0.00...50.00 Hz
0.00...320.00 Hz
0.1...300.0 s
0.1...300.0 s
If you set Motor Type to Induction Motor, you see the next question. If your selection is PM Motor,
the value of parameter P3.1.1.5 Motor Cos Phi is set to 1.00 and the wizard goes directly to question
18.
18
19
20
21
Set value
qReference
Set
value
qReference
Set
value
1
Set
value
1
for
P3.3.1.1 MinFre-
for
P3.3.1.2 MaxFre-
for
P3.4.1.2 Accel Time
for
P3.4.1.3 Decel Time
Range:
Range:
Range:
Range:
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0.00...50.00 Hz
0.00...320.00 Hz
0.1...300.0 s
0.1...300.0 s
Startupvacon • 27
22
To continue to the application wizard, set the selection to Yes and push the OK button.
After these selections, the Start-up wizard is completed. To start the Start-up wizard again, you
have 2 alternatives. Go to the parameter P6.5.1 Restore Factory Defaults or to the parameter B1.1.2
Start-up Wizard. Then set the value to Activate.
Run the Application wizard?
Yes
No
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vacon • 28Startup
4.2Description of the applications
Use the parameter P1.2 (Application) to make a selection of an application for the drive. Immediately when the parameter P1.2 changes, a group of parameters get their preset values.
4.2.0.1M1 Quick setup parameter group
In the Quick Setup parameter group you will find the different wizards of the VACON® 100 X Solar
Pump Application. The wizards help you to quickly set up your drive for use prompting you for a
number of essential data.
Table 8. Quick setup parameter group
CodeParameterMinMaxUnitDefaultIDDescription
0 = Do not activate
1 = Activate
B1.1Startup wizard0101170
P1.2Application050212
P1.3MinFreqReference0.00P1.4Hz0.00101
P1.4MaxFreqReferenceP1.3320.00Hz50.00102
P1.5Accel Time 10.1300.0s5.0103
P1.6Decel Time 10.1300.0s5.0104
P1.7Current limitVariesVariesAVaries107
P1.8Motor type010650
P1.9Motor Nom VoltgVariesVariesVVaries110
P1.10Motor Nom Freq8.00320.00HzVaries111
P1.11Motor Nom Speed2419200rpmVaries112
P1.12Motor Nom CurrntVariesVariesAVaries113
P1.13Motor Cos Phi0.301.000.74120
Choosing Activate initiates
the Startup Wizard (see
chapter 4.1).
0 = Standard
1 = Local/Remote
2 = Multi-Step Speed
3 = PID Control
4 = Multi-Purpose
5 = Motor
Potentiometer
Minimum allowed frequency reference
Maximum allowed frequency
reference
Defines the time required
for the output frequency to
increase from zero frequency to maximum frequency
Defines the time required
for the output frequency to
decrease from maximum
frequency to zero frequency
Maximum motor current
from AC drive
0 = Induction motor
1 = PM motor
Find this value Un on the
rating plate of the motor.
Note also used connection
(Delta/Star).
Find this value fn on the rating plate of the motor.
Find this value nn on the rating plate of the motor.
Find this value In on the rating plate of the motor.
Find this value on the rating
plate of the motor
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Startupvacon • 29
Table 8. Quick setup parameter group
The drive searches for the
minimum motor current in
order to save energy and to
P1.14Energy optimization010666
P1.15Identification010631
P1.16Start function010505
P1.17Stop function010506
P1.18Automatic reset010731
P1.19External fault032701
P1.20AI Low Fault050700
P1.21Rem.Ctrl. Place010172
P1.22I/O A Ref sel195117
lower the motor noise. This
function can be used e.g. in
fan and pump applications
0 = Disabled
1 = Enabled
The identification run calculates or measures the motor
parameters that are necessary for a good control of the
motor and speed.
0 = No action
1 = At standstill
2 = With rotation
Before you do the identification run, you must set the
motor nameplate parameters.
0=Ramping
1=Flying start
0=Coasting
1=Ramping
0 = Disabled
1 = Enabled
0 = No action
1 = Alarm
2 = Fault (Stop according to
stop mode)
3 = Fault (Stop by coasting)
Response when an analogue
signal in use goes below
50% of the minimum signal
range. 0 = No action
1 = Alarm
2 = Alarm, Preset Freq
3 = Alarm, Previous Freq
4= Fault (Stop according to
stop mode)
5 = Fault (Stop by coasting)
Selection of remote control
place (start/stop). Can be
used to change back to
remote control from
VACON® Live e.g. in case of
a broken panel.
0=I/O control
1=Fieldbus control
Selection of ref source when
control place is I/O A
1 = Preset Frequency 0
2 = Keypad reference
3 = Fieldbus
4 = AI1
5 = AI2
6 = AI1+AI2
7 = PID reference
8 = Motor potentiometer
9 = Max Power
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vacon • 30Startup
Table 8. Quick setup parameter group
Selection of ref source when
P1.23Keypad Ref sel192121
P1.24Fieldbus Ref sel193122
P1.25AI1 signal range010379
P1.26AI2 signal range011390
control place is keypad:
See P1.22
Selection of ref source when
control place is Fieldbus:
See P1.22
0 = 0…10 V / 0…20 mA
1 = 2…10 V / 4…20 mA
0 = 0…10 V / 0…20 mA
1 = 2…10 V / 4…20 mA
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