Vonsch Unifrem Series Quick guide

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Configuration and diagnostics
for UNIFREM and QUATROFREM (output side)
frequency converters

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1 Contents
2Structure and types of parameters in the document....................................................................7
2.1 Defining the meaning and type of parameters in part DIAGNOSTICS ................................7
2.2 Defining the meaning and type of parameters in part SETTINGS .......................................8
2.3 Type of parameters defining in the part SAVE / RESTORE ..............................................13
3Range of parameters by product type........................................................................................14
3.1 Undervoltage, overvoltage ..................................................................................................14
3.2 Temperatures ......................................................................................................................14
4DIAGNOSTICS...........................................................................................................................15
4.1 Command ............................................................................................................................15
4.2 Control .................................................................................................................................15
4.2.1 Power and energy........................................................................................................16
4.2.2 Additional quantities.....................................................................................................16
4.2.3 Positioning....................................................................................................................17
4.3 Inputs and outputs...............................................................................................................17
4.3.1 BIN................................................................................................................................17
4.3.2 AIN................................................................................................................................17
4.3.3 RELAYS .......................................................................................................................18
4.3.4 AOUT ...........................................................................................................................18
4.3.5 IRC1,IRC2,ARC ...........................................................................................................19
4.4 Functions .............................................................................................................................20
4.4.1 PLC function.................................................................................................................20
4.4.2 Limit switches...............................................................................................................21
4.4.3 Process controller ........................................................................................................21
4.4.4 Optimization .................................................................................................................22
4.4.5 Lifting functions ............................................................................................................22
4.4.6 Pantograph...................................................................................................................22
4.4.7 Ext. thermal protection.................................................................................................23
4.4.8 Differential ....................................................................................................................23
4.5 Converter state....................................................................................................................23
4.6 Thermal protections.............................................................................................................24
4.7 Communication....................................................................................................................25
4.7.1 MODBUS......................................................................................................................25
4.7.2 PROFIBUS...................................................................................................................25
4.7.3 RS LINKS.....................................................................................................................26
4.8 SW and HW version............................................................................................................26
4.9 Date and Time.....................................................................................................................27
5WARNINGS ................................................................................................................................28
6ERRORS.....................................................................................................................................32
7SETTINGS..................................................................................................................................35
7.1 Using the quick setup wizard with VONSCH UNIFREM ....................................................35
7.1.1 Working with the wizard ...............................................................................................35
7.1.2 Steps of the quick setup wizard...................................................................................36
7.1.3 Setting the motor data, application and command macro...........................................37
7.1.4 Application macros.......................................................................................................38
7.1.5 Command macros........................................................................................................39
7.1.6 Directions and the encoder..........................................................................................40
7.1.7 Control methods, parameter identification, dynamics of the drive..............................41
7.2 MOTOR ...............................................................................................................................42
7.2.1 MOTOR MACROS.......................................................................................................43
7.2.2 IDENTIFICATION.........................................................................................................43
7.2.3 NAMEPLATE MOTOR PARAMETERS.......................................................................44
7.2.4 SPECIAL PARAMETERS OF THE MOTOR...............................................................45
7.3 CONVERTER PARAMETERS............................................................................................47
7.3.1 APPLICATION MACROS ............................................................................................47

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7.3.2 ENERGY CONS...........................................................................................................48
7.4 COMMANDS .......................................................................................................................48
7.4.1 COMMAND MACROS .................................................................................................48
7.4.2 START STOP RESET .................................................................................................49
7.4.3 FREQUENCY SETPOINT ...........................................................................................51
7.4.4 TORQUE SETPOINT...................................................................................................52
7.4.5 POSITION SETPOINT.................................................................................................53
7.4.6 DISCRETE SETPOINTS .............................................................................................54
7.4.7 UP/DOWN COMMANDS .............................................................................................56
7.4.8 AUTO OFF ...................................................................................................................56
7.5 CONTROL AND REGULATION .........................................................................................57
7.5.1 CONTROL METHOD...................................................................................................57
7.5.2 V/f CONTROL ..............................................................................................................58
7.5.3 VECTOR CONTROL ...................................................................................................62
7.5.4 FREQUENCY RAMPS.................................................................................................69
7.5.5 MAXIMUM CURRENT AND VOLTAGE......................................................................71
7.5.6 FLYING START ...........................................................................................................71
7.5.7 VOLTAGE CONTROLLER (VC)..................................................................................72
7.5.8 BRAKE MODULE.........................................................................................................73
7.5.9 FLUX BRAKING...........................................................................................................74
7.5.10 POWER RESTRICTION..............................................................................................74
7.6 INPUTS AND OUTPUTS ....................................................................................................75
7.6.1 BINARY INPUTS..........................................................................................................75
7.6.2 ANALOG INPUTS........................................................................................................76
7.6.3 RELAY OUTPUTS .......................................................................................................80
7.6.4 ANALOG OUTPUTS....................................................................................................82
7.6.5 IRC1 .............................................................................................................................84
7.6.6 IRC2/ARC.....................................................................................................................85
7.7 FUNCTIONS........................................................................................................................85
7.7.1 PLC FUNCTIONS ........................................................................................................85
7.7.2 LIMIT SWITCHES........................................................................................................95
7.7.3 PROCESS CONTROLLER..........................................................................................97
7.7.4 OPTIMIZATION..........................................................................................................100
7.7.5 MECHANICAL BRAKE ..............................................................................................102
7.7.6 LIFTING FUNCTIONS ...............................................................................................102
7.7.7 EXTERNAL THERMAL PROTECTION (ETP) ..........................................................105
7.7.8 IRC1,2 DIFFERENCE................................................................................................106
7.7.9 DIFFERENTIAL..........................................................................................................107
7.8 FAULTS AND WARNINGS...............................................................................................107
7.8.1 OPTIONAL FAULTS..................................................................................................107
7.8.2 ENC. FAULTS............................................................................................................109
7.8.3 FAULT ACKNOWLEDGEMENT................................................................................109
7.8.4 QUANTITIES TO LOG...............................................................................................110
7.8.5 WARNINGS ...............................................................................................................111
7.9 DISPLAY............................................................................................................................112
7.9.1 DISP. QUANT. SETTINGS........................................................................................112
7.9.2 MONITOR SETTING .................................................................................................112
7.10 COMMUNICATION ...........................................................................................................112
7.10.1 MODBUS....................................................................................................................113
7.10.2 PROFIBUS.................................................................................................................115
7.11 PAR. SETS........................................................................................................................117
7.11.1 SET SWITCH.............................................................................................................117
7.11.2 USER SETS...............................................................................................................118
8Converter function configuration manual .................................................................................128
8.1 Production (factory) settings .............................................................................................128
8.2 Motor parameters –MOTOR MACROS –identification...................................................128
8.3 Motor control modes..........................................................................................................129

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8.3.1 V/f control ...................................................................................................................130
8.3.2 V/f curve .....................................................................................................................131
8.3.3 IR compensation ........................................................................................................133
8.3.4 Starting Torque Controller (STC)...............................................................................134
8.3.5 Slip compensation......................................................................................................135
8.4 Maximal current controller (MCC).....................................................................................136
8.5 Resonance damping .........................................................................................................139
8.6 Voltage controller (VC) - Dynamic deceleration (DD) a Kinetic backup (KB). .................141
8.7 Flux braking .......................................................................................................................143
8.8 Flying start .........................................................................................................................144
8.9 Power restriction................................................................................................................145
8.10 Optimization.......................................................................................................................146
8.11 External thermal protection (ETP).....................................................................................149
8.12 Overload switch „OPS“......................................................................................................151
8.13 Dynamic lift (DL) function ..................................................................................................154
8.14 IRC detuning function........................................................................................................156
8.15 Using the parameter set switching for a special behavior of converter functions............158
9UNIFREM Frequency converter settings examples.................................................................162
9.1 Process controller - PC setting to control the level height in the tank..............................162
9.1.1 Situation .....................................................................................................................162
9.1.2 Converter connection.................................................................................................162
9.1.3 Analog inputs setting..................................................................................................162
9.1.4 Process controller setting...........................................................................................162
9.1.5 Converter output setting.............................................................................................163
9.1.6 Monitoring...................................................................................................................163
9.2 Example of logical blocks setting ......................................................................................164
10 Control panel –Unipanel user manual .................................................................................169
10.1 Buttons...............................................................................................................................169
10.2 Panel start .........................................................................................................................170
10.3 Display...............................................................................................................................170
10.4 Converter status ................................................................................................................170
10.5 Main menu F1....................................................................................................................170
10.6 Monitor, monitor detail.......................................................................................................173
10.7 Parameters setting ............................................................................................................174
10.8 Graph.................................................................................................................................177
10.9 Parameter search..............................................................................................................179
10.10 Device selection for control panel .................................................................................180

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WARNING
This manual dedicates to the parameters and options of VONSCH UNIFREM frequency converter
settings and diagnostics.

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2 Structure and types of parameters in the document
2.1 Defining the meaning and type of parameters in part DIAGNOSTICS
Diagnostic parameter that displays the value of signal in physical units or in relative units or
discrete number of sequences, steps, received data etc.
EXAMPLE:
Value –the value
MENU \ DIAGNOSTICS \ Converter state \
Value –discrete number
MENU \ DIAGNOSTICS \ Functions \ Lifting functions\
Example for value diagnostics –the value display
Example of diagnostic value representing the number
of illegal control drive sequences
Individual word bits status diagnostics. Each bit represents the status of one flag of a specific
function or converter mode.
MENU PARAMETERS
ID –unique identification number
SETTINGS
DIAGNOSTICS
SAVE/RESTORE
-Value–the value,
number
-Word (array of bits)
-Constant
-Date time
-The value
-Calculated parameters
-Selection (1 option selection)
-Multiple selection (multiple options
selection - mask)
-Command (execution of a single action)
-Signal (source of signal and functions
inputs)
-Dynamic value (linked parameter)
-Password
-Path (position in the
structure of
parameters)
-parameters types as
in the part
SETTINGS
Parameter type: VALUE
Name [ID]
Unit
Description
AIN1 Rel.
[41]
%
Value of the signal connected to the analog input terminals + X1:11 and -
X1:12.Parameters of the analog input can be configured in the parameter group
P[147] AIN1.
MENU \ DIAGNOSTICS \ Inputs / outputs \ AIN \
Value unit
Values ID and name
The basic diagnostics information about the importance of value
Position of the parameter in a tree hierarchical parameters structure
Parameter type: WORD

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EXAMPLE:
MENU \ DIAGNOSTICS \ Command \
MENU \ DIAGNOSTICS \ Inputs / outputs \ Relay
Converter control signals diagnostics
Output relays status diagnostics
Diagnostic information, which takes a fixed value.
EXAMPLE:
Constant
Diagnostic value of the date or time format.
MENU \ DIAGNOSTICS \
MENU \ DIAGNOSTICS \
2.2 Defining the meaning and type of parameters in part SETTINGS
Possibility of parameter value setting in absolute or relative units.
Name [ID]
Unit
Description
OPS status [856]
Indicates the status of the OPS switch block.
Reset
RESET signal of the OPS is active.
Detection
Autodetection of the overload limits is running.
Overload
Overload occurred. Operation in the positive direction (up) is blocked.
Tipping
Too many forbidden tipping control commands.
Settling
Drive operates in static mode.
Dynamics
Drive operates in dynamic mode.
MENU \ DIAGNOSTICS \ Functions \ Lifting functions\
The basic diagnostic information about the importance of word
Additional diagnostic information about word bits view, status of
word bits view, respectively meaning of word bits
Individual word bits
description
Parameter type: CONSTANT
Name [ID]
Unit
Description
SW Version [379]
Converter SW version
MENU \ DIAGNOSTICS \ SW and HW version \
Constant description
Parameter type: DATE TIME
Parameter type: THE VALUE

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EXAMPLE:
MENU \ SETTINGS \ MOTOR \
Motor current value setting
Nominal motor voltage value setting
Parameter, that is derived by calculation based on the values of other parameters.
EXAMPLE:
MENU \ SETTINGS \ MOTOR \ SPECIAL PARAMETERS \
Example of the calculated parameter
Name [ID]
Description
Def.
Nom. Current
[151]
Nominal motor current, read from the nameplate or catalog data.
2.80 A
0.01 A ÷ 1000.00 A
This parameter determines the value of permanent motor current for motor
overload protection P[27] Motor overloading.
MENU \ SETTINGS \ MOTOR \
Basic information about the importance of the parameter
Range of the value, that
parameter can take Min ÷ Max
Additional information
about the importance of the
parameter
The default value of the parameter –
The value that is set at factory settings
restoration
Parameter type: CALCULATED PARAMETER
Name [ID]
Description
Def.
Nr of motor poles [1049]
Number of motor poles calculated from the nominal rpms and the motor
frequency.
2 ÷ 1000
MENU \ SETTINGS \ MOTOR \ SPECIAL PARAMETERS \
Additional information about derivation of parameter calculation

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Type of parameter with option to select only one setting option (alternative).
EXAMPLE:
MENU \ SETTINGS \ COMMANDS \ FREQUENCY SETPOINT \
... \ SETTINGS \ FUNCTIONS \ LOGICAL BLOCKS\ LB1 (Fast) \
One setting option selection of selection type parameter examples
Parameter type with a option to select multiple possible value elections, modes, respectively active
bit of parameter.
Parameter type: SELECTION
Name [ID]
Description
Def.
Start source
[194]
Setting the converter start source. The START command generates the desired voltage and frequency
on the U,V,W outputs (or U,V for a single phase load).
BIN1
Control panel
Pressing the green START button on the control panel causes the converter to start. The start is canceled by
pressing the red STOP button.
Permanent
start
The converter starts immediately after the switch on.
BIN1
The converter start after the activation of the 1st binary input.
BIN5
The converter starts after the activation of the 5th binary input.
BIN6
The converter starts after the activation of the 6th binary input.
MODBUS
The converter start is controlled over the serial communication. See the MODBUS serial communication
protocol.
PROFIBUS
The converter start is controlled over the serial communication. See the PROFIBUS serial communication
protocol.
Special
The converter start is controlled by a special preset signal and switching thresholds, see P[987] SPECIAL
START.
MENU \ SETTINGS \ COMMANDS \ START STOP RESET \
Basic information about type of parameter - selection
The name of specific (alternative)
selection of parameter value
Additional information about the meaning
of a specific parameter selection
Parameter type: MULTIPLE SELECTION (MASK)
Name [ID]
Description
Def.
V/f Type [347]
V/f Curve type. Selecting the features of the V/f control method operation.
□ IR compensation
Turns on the stator resistance loss compensation P[973] Compensation of IR
(CIR). Requires correct value of the motor parameters and the stator resistance
P[345] Stator resistance.
□ ST controller
Turns on the starting torque controller P[29] ST Controller (STC) to boost starting
torque.
* When the square is black ■ - the default setting is set
MENU \ SETTINGS \ CONTROL AND REGULATION \ V/f CONTROL \ V/f CURVE \
Basic information about the
parameter type - multiple selection
Names of parameter
value elections (modes)
Additional information about the meaning of
individual parameter elections (modes)

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EXAMPLE:
Example: V/f curve operation mode selection
Command to execute a single action or operation on the converter. It is required to confirm the
command before execution in the confirmation window.
EXAMPLE:
This command resets consumed energy counters
Parameter for dynamic ties and any parameter connection, that becomes a value source for a
given function or for input of this function.
EXAMPLE:
MENU \ SETTINGS \ INPUTS AND OUTPUTS \ ANALOG OUTPUTS \ AO1 \
Selection of the signal that will linearly recalculate the analog output AO1
Parameter type: COMMAND
Name [ID]
Description
Def.
Reset the consumption [897]
This command resets the counters of consumed energy.
MENU \ SETTINGS \ CONVERTER PARAMETERS \ Energy consumption \
Function, description and importance of the command
Name and command ID
Parameter type: SIGNAL
Name [ID]
Description
Def.
AIN1 Signal [251]
Selection of the signal that will be linearly recalculated according to the
analog input.
[ - ]
MENU \ SETTINGS \ INPUTS AND OUTPUTS \ ANALOG INPUTS \ AIN1 \ SPECIAL SETTING \
Type of signal selection from the diagnostics
Signal name

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Parameter is dynamically set to the value that is inherited from another parameter (usually from the
signal type parameter).
EXAMPLE:
The condition for RELAY switching „R1 switch on [301]“ – If any parameter (e.g. Cooler
temperature [74]) is selected as „R1 Signal [189]“:
MENU \ SETTINGS \ INPUTS AND OUTPUTS \ RELAY
OUTPUTS \ Relay 1 \
MENU \ SETTINGS \ INPUTS AND OUTPUTS \ RELAY
OUTPUTS \ Relay 1 \ SPECIAL SETTING R1 \
Special source of Relay R1 switch setting
Relay R1 switches on when heatsink temperature
exceeds the set level
The condition for RELAY switching „R1 switch on [301]“ –If status word is selected as „R1 Signal
[189]“:
MENU \ SETTINGS \ INPUTS AND OUTPUTS \ RELAY OUTPUTS \ Relay 1 \ SPECIAL SETTING R1 \
Relay R1 switches on at active bite (Failure) of converter status word
Parameter to enter a password to allow access to the specific levels of converter setting
respectively to unlock some of the modes.
The password characters can be {0..9, A..Z}.
EXAMPLE:
Example of password entry
Parameter type: DYNAMIC VALUE (Linked parameter)
Name [ID]
Description
Def.
R1 switch on [301]
Conditions for R1 switch on.
Run |
MENU \ SETTINGS \ INPUTS AND OUTPUTS \ RELAY OUTPUTS \ Relay 1 \ SPECIAL SETTING \
Name and ID of the dynamic parameter
Default value of the dynamic value parameter
Parameter type: PASSWORD
Name [ID]
Description
Def.
Password
[548]
Setting the user password for access to the device settings. Password
needs to be entered when entering the converter settings.
0 *
0 * ÷ 0 *
Protects the converter settings against reconfiguration by unauthorized persons.
MENU \ SETTINGS \ CONVERTER PARAMETERS \
Basic information about the importance of the parameter

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UNIPANEL –PASSWORD SETTING
Set the required password character:
Cursor position change:
After setting the password, press ENTER to confirm.
2.3 Type of parameters defining in the part SAVE / RESTORE
Parameter of root parameters directory choice defining.
EXAMPLE:
INPUTS AND OUTPUTS root directory selection for the transfer of parameters from set 1 to set 3
Parameter type: PATH
Name [ID]
Description
Def.
Directory [ - ]
The choice of which part of the parameters will be restored. If nothing
is selected, all will be restored.
INPUTS AND
OUTPUTS
0 * ÷ 0 *
MENU \ SAVE / RESTORE \ Parameters backup \ Parameter transfer \
Basic information about the importance of the parameter
The selected path in the tree hierarchy

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3 Range of parameters by product type
3.1 Undervoltage, overvoltage
Undervoltage [V]
Overvoltage [V]
Unifrem 230 M
220
420
Unifrem 400, 400 M
425
735
Unifrem 500
350
900
Unifrem 690
730
1 250
3.2 Temperatures
Warning line [°C]
Fault line [°C]
CB temperature [75]
55
70
Cooler temperature [74]
Unifrem 230M, 400 M
Unifrem 400 011 –400 090
75
90
Cooler temperature [74]
Unifrem 400 110 –400 200
110
125
Cooler temperature [74]
Unifrem 400 250 –400 630
94
109

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4 DIAGNOSTICS
Group of parameters number [2]
Diagnostic information (quantities and states).
4.1 Command
Group of parameters number [758]
Quantities affecting the converter control, inputs and outputs.
MENU \ DIAGNOSTICS \ COMMAND
Name [ID]
Description
Dim.
Freq. setpoint [162]
Frequency setpoint. Represents the value at the input of ramp block, thus the
actual frequency Freq. INV [47] (page 15) is reached after the time ramps
reach the setpoint.
Hz
Torque setpoint [923]
Torque setpoint.
Nm
Panel freq. Setpoint
[161]
Setpoint value from the panel, entered in the monitor window.
Discrete setpoint [10]
Discrete setpoint value [60] (page 54).
Up/down commands
[977]
Output from the Up/Down commands [970] (page 56).
%/s
Control word [77]
Control signals of the converter
□ START
Control command for the motor operation mode (1 - starts the motor).
□ REVERZ F
Control command for the motor rotation direction (1 - reverse operation mode).
□ RESET PWM
Control command for the immediate voltage cut-off on the converter output (active -
turns off PWM).
□ FAULT ACK.
Command for fault acknowledgement.
□ ERR_MASTER
Master fault
□ COMPENSATION
DT
Turn on the dead time compensation mode
□ SCALAR / VECTOR
0 - scalar control 1 - vector control.
□ UNF BOARD TYPE
0 - UNF 400, 1 - UNF 230/400 M.
□ RAMP_F_VSTUP0
Frequency ramp input reset.
□ RAMP_F_VYSTUP0
Frequency ramp output reset.
□ RAMP_F_FREEZE
Frequency ramp stop.
□ QUICK_STOP
Quick emergency drive stop.
□ REVERZ MOM.
Control command for changing the polarity of the torque setpoint.
□ Reserve
ON / OFF time [1577]
Represents the time in AUTO OFF mode to the next automatic start or stop of
the inverter.
4.2 Control
Group of parameters number [759]
Quantities affecting the converter control, values of important control and operating quantities.
MENU \ DIAGNOSTICS \ CONTROL
Name [ID]
Description
Dim.
Freq. INV [47]
Frequency on the converter output. Represents the applied output voltage frequency
behind the ramp block with all corrections taken into account (e.g. [348] (page 60)).
Hz
Freq. RT
[937]
Rotor frequency evaluated by a mathematical model from electric quantities in open
control or from the rotation speed feedback (IRC) in closed control.
Hz
Slip freq.
[938]
Slip frequency evaluated by a mathematical model from electric quantities in open
control or from the rotation speed feedback (IRC) in closed control. In V/f control, for
correction of the stator frequency (slip compensation), [348] (page 60) is used.
Hz

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Name [ID]
Description
Dim.
Rpm [68]
Motor revolutions per minute. For correct displaying of this parameter, it is neccesary to
set up Nom. revolutions [356] (page 44) correctly, according to the nameplate.
This quantity is not affected by motor slip, it corresponds to the frequency setpoint.
RPM
Voltage DC
[46]
Voltage of the DC link. In a steady-state, the voltage gains its value near 1.41 x supply
voltage RMS, which corresponds with he nominal voltage of the converter. During the
braking, it can rise to the value of BM operating voltage [377] (page 73).
V
Voltage MT
[73]
Voltage on the motor terminals is not exactly measured quantity, it is evaluated from
PWM modulation index and DC link voltage Voltage DC [46] (page 16).
V
Current MT
[42]
RMS value of the motor current.
A
Cos Phi [67]
Motor power factor. Positive values indicate motoric operation and negative values
indicate regenerative motor operation.
Torque [69]
Mechanical torque on the motor shaft. The value of torque is evaluated by the
mathematical motor model; its accuracy is influenced mainly by the parameters Rotor
resistance [439] (page 45), Mutual inductance [441] (page 45) and Nom. revolutions
[356] (page 44). Torque saturation is defined by the parameter Torque setpoint [920]
(page 52).
Nm
Mag. Flux
[71]
Rotor magnetic flux. Defines the level of motor excitation. Unless the field-weakening is
in effect, the value should be close or equal to Magnetic Flux setpoint [452] (page 63).
Wb
Modulation
index [768]
PWM duty cycle of the switching power elements.
%
4.2.1 Power and energy
Group of parameters number [486]
Diagnostic group of quantities dealing with the energy indicators (power, consumption, losses).
MENU \ DIAGNOSTICS \ CONTROL \ POWER AND ENERGY
Name [ID]
Description
Dim.
Input power [70]
Active motor input power of the motor without considering any losses.
W
Power [66]
Active motor power, evaluated from voltage, current and power factor of the motor.
W
kWh
Consumption
[429]
Number of consumed kWh. This value can be reset by the command Reset the
consumption [897] (page 48).
kWh
MWh
Consumption
[430]
Number of consumed MWh. This value can be reset by the command Reset the
consumption [897] (page 48).
MWh
Power restriction
[1092]
Coefficient of power restriction from external effects.
At maximal allowed power or current the value 1 is acquired and when power
restriction is in effect, this value is decreased to 0. Individual conditions of the power
restriction can be selected in Power restriction (PR) [766] (page 74).
4.2.2 Additional quantities
Group of parameters number [534]
Additional and derived quantities for special use.
MENU \ DIAGNOSTICS \ CONTROL \ ADDITIONAL QUANTITIES
Name [ID]
Description
Dim.
Freq. INV ramp
[487]
Frequency on the ramp block output. Represents the speed controller (SC)
reference in the vector control mode.
Hz
Freq. INV abs. [472]
Frequency on the converter output in an absolute value.
Hz
Rpm behind the
transmission [907]
Rotation speed behind the transmission. To display it correctly, it is necessary to
correctly enter the parameter Transmission ratio [888] (page 47).
RPM
Motor rotation
speed [1130]
Rotation speed on the motor shaft. For a correct display, it is necessary to
configure the motor parameters according to the motor nameplate and correctly
identify Stator resistance [345] (page 45) for the slip model.
This value is affected by the actual motor slip and corresponds with the actual
rotor speed.
RPM

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Name [ID]
Description
Dim.
Max. current [494]
Motor current RMS value limitation on the converter output. During an excessive
converter load, maximal current can drop from the value Max. mot. current [5]
(page 71) to the value Permanent current [24] (page 47).
A
Current MT unfilt.
[49]
RMS value of the non filtered motor current (load).
A
Curr. phase U
[1221]
U-phase current RMS value at the output of frequency converter.
A
Curr. phase V [1222]
V-phase current RMS value at the output of frequency converter.
A
Curr. phase W
[1223]
W-phase current RMS value at the output of frequency converter.
A
Sum of I-AC [831]
Filtrated absolute sum of AC currents for evaluation of leak or current
measurement fault.
A
UL1_rms [1519]
RMS value of L1 phase voltage. This voltage can represent supply or generated
grid voltage, according to connection.
V
UL2_rms [1520]
RMS value of L2 phase voltage. This voltage can represent supply or generated
grid voltage, according to connection.
V
UL3_rms [1521]
RMS value of L3 phase voltage. This voltage can represent supply or generated
grid voltage, according to connection.
V
4.2.3 Positioning
Group of parameters number [1146]
Quantities for position control diagnostics.
MENU \ DIAGNOSTICS \ CONTROL \ POSITIONING
Name [ID]
Description
Dim.
Pos.
setpoint
[1149]
Position
[1147]
Position evaluated from Pos. feedback source [1141] (page 66) signal.
Pos. error
[1148]
Difference between position setpoint Pos. setpoint [1149] (page 17) and actual position
Position [1147] (page 17).
Absolute value of position error. The value is calculated after ramp and S-curve blocks,
so it can be lower than expected in transient state. It can be used as a signal for
switching the limit switches.
4.3 Inputs and outputs
Group of parameters number [859]
Diagnostics of the converter inputs and outputs.
4.3.1 BIN
Group of parameters number [1212]
MENU \ DIAGNOSTICS \ INPUTS AND OUTPUTS \ BIN
Name [ID]
Description
Dim.
Binary inputs [184]
State of the binary inputs. Filled rectangle represents the BINx physical switch-on.
□ BIN1
State of 1st binary input (Terminal 1).
□ BIN2
State of 2nd binary input (Terminal 2).
□ BIN3
State of 3rd binary input (Terminal 3).
□ BIN4
State of 4th binary input (Terminal 4).
□ BIN5
State of 5th binary input (Terminal 5).
□ BIN6
State of 6th binary input (Terminal 6).
4.3.2 AIN
Group of parameters number [82]
Diagnostic group of quantities for the analog inputs of the converter AIN1 to AIN4.

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Parameters of the analog inputs can be configured in the parameter group [144] (page 76).
MENU \ DIAGNOSTICS \ INPUTS AND OUTPUTS \ AIN
Name
[ID]
Description
Dim.
AIN1
[256]
Value of the signal brought to the analog input terminals X1:11 and - X1:12 in physical units.
Using the parameter AIN1 Signal [251] (page 77) select the quantity that will be changed
according to the analog input level change.
Parameters of the analog input can be configured in the parameter group [147] (page 76).
V
AIN1
Rel.
[41]
Relative value of the signal connected to the analog input terminals + X1:11 and - X1:12.
Parameters of the analog input can be configured in the parameter group [147] (page 76).
%
AIN2
[280]
Value of the signal brought to the analog input terminals X1:13 and - X1:14 in physical units.
Using the parameter AIN2 Signal [259] (page 78) select the quantity that will be changed
according to the analog input level change.
Parameters of the analog input can be configured in the parameter group [149] (page 77).
V
AIN2
Rel.
[43]
Relative value of the signal connected to the analog input terminals + X1:13 and - X1:14.
Parameters of the analog input can be configured in the parameter group [149] (page 77).
%
AIN3
[281]
Value of the signal brought to the analog input terminals X1:15 and - X1:16 in physical units.
Using the parameter AIN3 Signal [269] (page 79) select the quantity that will be changed
according to the analog input level change. Not available for the UNIFREM 400 M converters.
Parameters of the analog input can be configured in the parameter group [148] (page 78).
V
AIN3
Rel.
[44]
Relative value of the signal connected to the analog input terminals + X1:15 and - X1:16. Not
available for the UNIFREM 400 M converters.
Parameters of the analog input can be configured in the parameter group [148] (page 78).
%
AIN4
[282]
Value of the signal brought to the analog input terminals X1:17 and - X1:18 in physical units.
Using the parameter AIN4 Signal [275] (page 80) select the quantity that will be changed
according to the analog input level change. Not available for the UNIFREM 400 M converters.
Parameters of the analog input can be configured in the parameter group [152] (page 79).
V
AIN4
Rel.
[45]
Relative value of the signal connected to the analog input terminals + X1:17 and - X1:18. Not
available for the UNIFREM 400 M converters.
Parameters of the analog input can be configured in the parameter group [152] (page 79).
%
4.3.3 RELAYS
Group of parameters number [217]
MENU \ DIAGNOSTICS \ INPUTS AND OUTPUTS \ RELAYS
Name [ID]
Description
Dim.
Relay [185]
Condition of the output relays. Filled rectangle represents the RELEx physical switch-on.
□ RELAY1
Condition of the 1st output relay.
□ RELAY2
Condition of the 2nd output relay.
□ RELAY3
Condition of the 3rd output relay. Not available for the converters UNIFREM 400 M.
4.3.4 AOUT
Group of parameters number [700]
Diagnostic group of quantities for the analog inputs of the converter AOUT1 to AOUT3.
MENU \ DIAGNOSTICS \ INPUTS AND OUTPUTS \ AOUT
Name
[ID]
Description
Dim.
AO1
[701]
Recalculated value of the signal on the analog input terminals X1:19 and X1:20 (X1:15 and
X1:16 for UNIFREM 400 M). Using the parameter AO1 Signal [359] (page 83), select the
quantity according to which the analog output level is changed.
Parameters of the analog input can be configured in the parameter group [370] (page 82).
A
AO2
[702]
Recalculated value of the signal on the analog input terminals X1:21 and X1:22 (X1:17 and
X1:16 for UNIFREM 400 M). Using the parameter AO2 Signal [364] (page 83), select the
quantity according to which the analog output level is changed.
Parameters of the analog input can be configured in the parameter group [371] (page 83).
A

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Name
[ID]
Description
Dim.
AO3
[703]
Recalculated signal value on the terminals of the analog output X1:23 and X1:24. Using the
parameter AO3 Signal [365] (page 84), select the quantity according to which the analog
output level is changed. Not available for the UNIFREM 400 M converters.
Parameters of the analog input can be configured in the parameter group [372] (page 83).
A
4.3.5 IRC1,IRC2,ARC
Group of parameters number [1001]
Diagnostic set of quantities for the IRC and ARC speed sensors inputs.
MENU \ DIAGNOSTICS \ INPUTS AND OUTPUTS \ IRC1,IRC2,ARC
Name [ID]
Description
Dim.
Freq. IRC1 [434]
Rotor frequency defined by the rotation speed sensor from the IRC1. It is the
mechanical frequency, its value can be several times lower than electrical frequency.
The ratio between the frequencies is defined by the number of pole couples ( Nr of
motor poles [1049] (page 47)). For correct evaluation of the speed from the IRC
sensor, it is necessary to correctly configure IRC1 pulses [436] (page 84).
Hz
Freq. IRC2/ARC
[803]
Rotor frequency defined by the rotation speed sensor from the IRC2. It is the
mechanical frequency, its value can be several times lower than electrical frequency.
The ratio between the frequencies is defined by the number of pole pairs ( Nr of
motor poles [1049] (page 47)). For correct evaluation of the speed from the IRC
encoder, it is necessary to correctly configure IRC2 pulses [827] (page 85).
Hz
Freq. IRC1 gear
[1540]
Speed from IRC1 sensor at gear output.
Hz
Freq. IRC2/ARC
gear [1541]
Speed from IRC2/ARC position sensor at gear output.
Hz
Freq. IRC1-IRC2
gear [1086]
Frequency difference between IRC1 and IRC2 at gear output.
This quantity is filtered by the first order filter configured by the parameter Filter
dIRC1,2 [1083] (page 107).
Hz
Chyba IRC
[1623]
Status word of IRC fault.
□ ERR output EM | □ Incorrect reverses of IRC1 | □ Incorrect reverses of IRC2 | □ Disconnected / broken
IRC | □ Speed step change
IRC1 position
[1286]
Position from IRC1 sensor in revolutions.
IRC1 position
gear [1535]
Position from IRC1 sensor at gear output in revolutions.
IRC2/ARC
position [1287]
Position from IRC2 or ARC sensor in revolutions.
IRC2/ARC
position gear
[1536]
Position from IRC2 or ARC sensor at gear output in revolutions.
ARC angle [290]
Angle within one revolution evaluated from absolute position sensor in degrees.
Freq. ARC [291]
ARC rotor frequency evaluated by the RM-SERVO extension module.
Hz
Freq.
ARCmaster
[1617]
ARCmaster device rotor frequency evaluated by the RM-SERVO extension module.
Hz
Servo CRC
errors [1542]
CRC error counter of the communication between the converter and RM-SERVO
module.
Servo error
[1608]
Fault of the absolute encoder or RM-SERVO extension module.
□ CRC
Too many CRC errors.
□ Inverter
Module is not receiving valid data from the converter.
□ Eeprom
Memory error of the module.
□ Modbus
Modbus master is not communicating with the module.
□ CAN
CAN timeout.
□ EnDat timeout
EnDat encoder is not communicating with the module.

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Name [ID]
Description
Dim.
□ EnDat
EnDat encoder is reporting a fault.
□ Reserve
□ Reserve
□ Inverter 2
□ Eeprom 2
□ Modbus 2
□ CAN 2
□ EnDat timeout 2
□ EnDat 2
CRC error rate
[933]
Communication error rate with RM-SERVO. Zero value means reliable transmission.
%
Status RM_ARC
[292]
Status of RM_ARC extension module.
Ok
RM ARC is communicating ok, or there is no module selected.
LOT
Loss of Position Tracking error.
DOS
Degradation of signal (DOS) is detected when any resolver input signal is corrupted.
LOS
Loss of signal (LOS) is detected when any resolver input falls below the fixed threshold.
Most likely the resolver is disconnected.
Parity
Parity check of communication between ARC and the converter failed.
RDVEL
Incorrect value read from ARC module.
IRC1-IRC2
position gear
[1515]
IRC1 and IRC2 sensor position difference at gear output in revolutions.
ARC-
ARCm/IRC1
position gear
[1622]
ARC - master (ARCmaster or IRC1) position at gear output in revolutions.
IRC1 pos. 32b
high [1616]
High 32 bits of IRC1 position at gear output.
hex
IRC1 pos. 32b
low [1539]
Low 32 bits of IRC1 position at gear output.
hex
IRC2/ARC pos.
32b high [1543]
High 32 bits of IRC2/ARC position at gear output.
hex
IRC2/ARC pos.
32b low [1607]
Low 32 bits of IRC2/ARC position at gear output.
hex
ARCmaster pos.
32b high [1288]
High 32 bits of ARCmaster position at gear output.
hex
ARCmaster pos.
32b low [1621]
Low 32 bits of ARCmaster position at gear output.
hex
4.4 Functions
Group of parameters number [760]
Quantities regarding the remaining optional functions of the converter.
4.4.1 PLC function
Group of parameters number [1278]
Numerical and logical blocks output.
MENU \ DIAGNOSTICS \ FUNCTIONS \ PLC FUNCTION
Name [ID]
Description
Dim.
Logical blocks
[8]
Logical operation outputs, first two LB are fast (they respond in 1ms), others are
slower (10ms).
□ LB1
LB1 status
□ LB2
LB2 status
□ LB3
LB3 status