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Summary of Contents for F&F FA-3X110
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ul. Konstantynowska 79/81 95‐200 Pabianice phone/fax 42‐2152383, 2270971 e‐mail: fif@fif.com.pl Vector power inverter FA-3X110 FA-3X150 FA-3X220 User manual v. 1.0.0 ...
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home and industrial automation Information on safe use of the power inverter is marked with symbols. All information and recommendations bearing these symbols should be strictly obeyed. Risk of electric shock. Potentially dangerous situation that could lead to a danger for the operating personnel or damage to the inverter. Information concerning the design, operation and maintenance of the power inverter. Important information, valuable tip. Practical advice, problem solution. An example of use or operation. ...
home and industrial automation Table of contents Part 1. Unpacking and checking ........................... 5 Rating plate ................................ 5 Inverter type identification ............................ 5 Part 2. Installation .............................. 6 Security measures.............................. 6 Mounting .................................. 7 Part 3. External connections .......................... 8 Wiring diagram ................................. 8 Connecting the power circuits ................ B łąd! Nie zdefiniowano zakładki. Selection of power cables and overcurrent protection ........ B łąd! Nie zdefiniowano zakładki. Connecting the control circuits .......................... ...
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home and industrial automation Part 7. Inverter specification ............................ 9 10 Table of types ............................... 9 32 Assembly drawings ............................... 9 32 Selection of braking resistors .......................... 9 43 History of changes .............................. 9 65 Warranty……………… .............................. 9 76 Vector power inverter FA‐3X110 … FA‐3X220 – User manual v. 1.0.0 4 ...
home and industrial automation Part 1. Unpacking and checking Before installing and running the inverter it is necessary to: 1) Check that the device wasn’t damaged during the transport. 2) Check that the received product is in compliance with the order based on the rating plate. In case of damages, missing parts or discrepancies, please contact the supplier immediately. Rating plate Inverter type Power supply: 1) Voltage 2) Current Output parameters: 1) Voltage 2) Power 3) Rating current 4) Frequency ...
home and industrial automation Part 2. I nstallation Security measures Do not, under any circumstances, connect the supply voltage to the output terminals of the inverter. Violation of this requirement will damage the inverter and threatens to cause a fire. Do not allow any foreign objects, such as pieces of electrical wires or metal fillings from the control cabinet mounting, to get into the inverter. Close the cover of the inverter before turning on the power, paying close attention not to damage any connected electrical wires while closing it. ...
home and industrial automation Mounting In order to ensure proper and safe operation of the inverter, it must be installed vertically on a non‐flammable wall or mounting plate. In addition, the installation must meet the following conditions: 1) Ambient temperature in a range of ‐10 to +40 C; 2) Ensured air circulation between the inverter casing and the surroundings; 3) Protection against drops of water, water vapor, dust, iron fillings and other foreign objects getting inside the inverter casing; 4) Protection against the effects of oils, salts, aggressive and explosive gases; 5) Provided adequate space between the inverter and the adjacent objects as shown on the picture below. Figure 3) Example of the correct installation of the inverter wylot – outlet wlot ‐ inlet Vector power inverter FA‐3X110 … FA‐3X220 – User manual v. 1.0.0 7 ...
home and industrial automation Part 3. E xternal connections Wiring diagram Dławik DC ‐ DC choke rezystor hamowania ‐ Braking resistor Elementy opcjonalne ‐ Optional elements OBWÓD MOCY ‐ POWER CIRCUIT Zasilanie ‐ Power supply OBWÓD STEROWANIA ‐ CONTROL CIRCUIT wyzwalanie ‐ triggering poziom COM (domyślnie) ‐ COM level (default) poziom +24 V ‐ +24 V level Gniazdo rozszerzeń ‐ karta enkodera ‐ Expansion slot ‐ encoder card Gniazdo rozszerzeń ‐ karta RS485 ‐ Expansion slot ‐ RS485 card Wejścia cyfrowe DI1‐DI4 (programowane) ‐ Digital inputs DI1‐DI4 (programmable) Wejścia cyfrowe DI5‐DI8 (programowane) ‐ Digital inputs DI5‐DI8 (programmable) Wejścia analogowe AI1‐AI2 (programowane) ‐ Analog inputs AI1‐AI2 (programmable) Wyjścia analogowe DA1 i DA2 (programowane) ‐ Analog outputs DA1 and DA2 (programmable) Wyjścia tranzystorowe SPA i SPB (programowane) ‐ Transistor outputs SPA and SPB (programmable) Wyjście przekaźnikowe T1 i T2 (programowane) ‐ Relay output T1 and T2 (programmable) Napięcie ‐ Voltage Prąd ‐ Current Wejścia analogowe AI1‐AI2 (programowane) ‐ Analog inputs AI1 and AI2 (programmable) Figure 4) FA‐3X110 and FA‐3H150 inverter wiring diagram Vector power inverter FA‐3X110 … FA‐3X220 – User manual v. 1.0.0 8 ...
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home and industrial automation Dławik DC ‐ DC choke Moduł hamujący ‐ braking module Elementy opcjonalne ‐ Optional elements OBWÓD MOCY ‐ POWER CIRCUIT Zasilanie ‐ Power supply OBWÓD STEROWANIA ‐ CONTROL CIRCUIT wyzwalanie ‐ triggering poziom COM (domyślnie) ‐ COM level (default) poziom +24 V ‐ +24 V level Gniazdo rozszerzeń ‐ karta enkodera ‐ Expansion slot ‐ encoder card Gniazdo rozszerzeń ‐ karta RS485 ‐ Expansion slot ‐ RS485 card Wejścia cyfrowe DI1‐DI4 (programowane) ‐ Digital inputs DI1‐DI4 (programmable) Wejścia cyfrowe DI5‐DI8 (programowane) ‐ Digital inputs DI5‐DI8 (programmable) Wejścia analogowe AI1‐AI2 (programowane) ‐ Analog inputs AI1‐AI2 (programmable) Wyjścia analogowe DA1 i DA2 (programowane) ‐ Analog outputs DA1 and DA2 (programmable) Wyjścia tranzystorowe SPA i SPB (programowane) ‐ Transistor outputs SPA and SPB (programmable) Wyjście przekaźnikowe T1 (programowane) ‐ Relay output T1 (programmable) Napięcie ‐ Voltage Prąd ‐ Current Figure 5) FA‐3X220 inverter wiring diagram Vector power inverter FA‐3X110 … FA‐3X220 – User manual v. 1.0.0 9 ...
home and industrial automation Connecting the power circuits The power supply of the inverter must be connected in accordance with all applicable standards. The minimum diameter of power cables should be consistent with the guidelines in the table "Selection of power cables and ...
home and industrial automation Selection of ground cables and overcurrent protection Wires Maximum Input current Output current Protection motor power diameter Inverter type 2 A A A kW FA‐3X110 26 25 11 63 6 FA‐3X150 35 32 15 63 6 47 45 100 10 FA‐3X220 22 Connecting the control circuits Pay particular attention to the separation of the control circuits from power circuits. An accidental connection of the two circuits may result in electric shock ...
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home and industrial automation Terminal Function Comments The auxiliary power supply designed primarily for +10V potentiometers connected to the analog inputs of the inverter. The maximum allowable load of the +10 V +10 V Auxiliary power power unit is 10 mA. Exceeding the maximum supply outputs current may damage the power unit. GND Please note: Do not, under any circumstances, connect the GND (ground of the +10 V power unit) ...
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home and industrial automation Terminal Function Comments • closed (default) ‐ input triggered by low level (COM). • open ‐ input triggered by high level (+ 24 V) Multi‐function digital DI4 input 4 Functions performed by the inputs are defined in parameters: F1.00 – Input configuration DI1 Multi‐function digital DI5 F1.01 – Input configuration DI2 input 5 F1.02 – Input configuration DI3 F1.03 – Input configuration DI4 F1.04 – Input configuration DI5 Multi‐function digital F1.05 – Input configuration DI6 DI6 input 6 F1.06 – Input configuration DI7 F1.07 – Input configuration DI8 Multi‐function digital DI7 input 7 DI5 input can be used as a high‐speed pulse input Multi‐function digital ...
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home and industrial automation Terminal Function Comments Relay output T1 – Contact TA1 NO Relay output T1 – Contact TB1 Multi‐function relay output T1 NC The maximum contact load (both NO and NC): 5 A/250 V AC Relay output T1 – Contact TC1 5 A/30 V DC COM Functions performed by the relay outputs are defined in Relay output T2 – Contact parameters: TA2 NO F2.02 – Relay T1 Relay output T2 – Contact F2.02 – Relay T2 TB2 NC Relay output T2 – Contact TC2 COM Output signal logic is set with jumper J2: Position 1‐2) Current output 0…20 mA DA1 Multi‐function analog Position 2‐3) Voltage output 0…10 V DC output DA1 This ...
home and industrial automation Part 4. C ontrol panel Description of control panel items Sterowanie z panela operatorskiego Control through operator panel Sterowanie zdalne Remote control Sterowanie z listwy zaciskowej Control with terminal block Praca w trybie kontroli momentu Operation in torque control mode Autotuning silnika Motor automatic tuning Błąd Error Wskaźnik wyświetlanej jednostki Indicator of displayed unit Trzy poniższe kontrolki sygnalizują jednostkę wielkości wyświetlanej na wskaźniku Monitor The following three control lights indicate the unit of the quantity displayed on the Monitor indicator Brak No unit Potencjometr regulacji prędkości obrotowej Rotation speed control potentiometer Monitor LED – LED display Kierunek wirowania silnika: Motor rotation direction: OFF – kierunek „Tył” ‐ OFF – direction „Reverse”” ON – kierunek „Przód” ‐ ON – direction „Forward” Sygnalizacja pracy ‐ Operation indication Figure 8) Control panel ‐ indications ...
home and industrial automation Function description Button In menu display mode – switch between the subsequent parameters in the current parameters group. In the parameter values set mode – Up and Down buttons allow to increase and decrease the value of parameter that is being edited. Confirm new value of the parameter and exit the parameter edit mode. ...
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home and industrial automation Figure 10) Example ‐ change the set frequency Press PRG button in the monitor display mode to enter menu mode and display the symbol of the first group of parameters (F0). Press ENTER to enter the selected group of parameters and display the first parameter of the group (F0.00). Using Up or Down buttons select the desired number of the parameter – in this case F0.01 Press ENTER to edit the selected parameter (F0.01) and display the value of the edited parameter. Edited value is indicated by the blinking of the corresponding digit. Using Up and Down buttons set the desired value of the parameter digit. Press SHIFT to move the edit box to the next position. Using Up and Down buttons set the desired value of the digit. To edit next digits of the parameter you need to repeat steps 5 and 6. When all digits of the parameter are set, confirm the new value by pressing ENTER button. Please note: To exit the parameter edit mode without saving changes, press PRG. Press ENTER to go to the higher menu level – F0. Press ENTER to go to the status display mode. Vector power inverter FA‐3X110 … FA‐3X220 – User manual v. 1.0.0 17 ...
home and industrial automation State of the inverter The current status of the power inverter can be monitored via the parameters displayed on the LED display located on the operator panel. If the inverter is in the status display mode (which means that menu of the inverter is not displayed and parameter edit mode is not active), then you can switch between displayed values by using SHIFT button. List of displayed parameters depends on whether the motor is running or stopped. If the motor is running, it is possible to display a total of 32 different parameters. They are, among other things, information about: current and preset frequency, DC track voltage supply, output voltage and output current, motor power, status of inputs and outputs (both analog and digital)... If the motor is stopped, it is possible to display values of 16 different parameters. They are, among other things, information about preset frequency, DC track voltage supply, status of inputs and outputs (both analog and digital)... The list of parameters that will be displayed in the status mode while the engine is running is configured with parameters F6.01 and F6.02. In contrast, the list of parameters displayed in the status mode when the engine is stopped is configured using parameter F6.03. Settings protection It is possible to secure the settings of the inverter from unauthorized access. To do this, set the parameter Y0.01 to a non‐zero value. The value written in the parameter Y0.01 (in the range of 1 to 65535) will be the new password required to access the configuration of the inverter. ...
home and industrial automation Part 5. Configuration of the inverter Groups of parameters More Code Group Description information (page) Parameters responsible for the information displayed on Błąd! Nie d0 Monitoring functions the LED display of the inverter in the monitoring mode zdefiniowano (normal operation of the inverter). zakładki. Basic configuration of the inverter, including, among other things: selection of the motor control method (U/f control or Błąd! Nie vector control) ...
home and industrial automation More Code Group Description information (page) Parameters configuration in multi‐speed mode and E1 PLC mode 75 parameters related to a simple PLC control. Parameters of the built‐in PID controller which allows using the inverter to build a feedback loop. E2 PID controller 78 Błąd! Nie Configuration of the parameters of the motor connected b0 Motor parameters zdefiniowano to the inverter. zakładki. ...
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home and industrial automation Code Function Description Unit State of digital outputs. Parameter is stored in the form of hexadecimal number with values in the range of 0x00 to 0x1F according to the following diagram: d0.08 State of digital outputs ‐ Mnożnik – Multiplier Przekaźnik ‐ Relay One bit of the parameter value d0.08 corresponds to one of the outputs. Bit value 1 means active output, value 0 – inactive output. d0.09 Analog input AI1 Voltage value on the analog input AI1. V d0.10 Analog input AI2 Voltage value on the analog input AI2. V Value of the voltage set with the potentiometer located d0.11 ...
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home and industrial automation Code Function Description Unit parameter F0.03. The frequency set using auxiliary source of frequency setting. Preset frequency – d0.28 Hz auxiliary source Please note: Auxiliary frequency source is selected using the parameter F0.04. Thrust torque setpoint, converted to the rated thrust torque of the motor. d0.29 Thrust torque – setpoint % Please note: This option is active only when the inverter operates in torque control mode. State of the inverter is described in a bit form. The meaning ...
home and industrial automation Basic functions Chang Defa Code Descriptions Settings Unit es ult restr. Sensorless vector control 0 Sensor vector control (requires encoder 1 F0.00 Control mode and additional PG expansion card). ‐ 2 T Control according to the U/f curve 1 (scalar control). 0. Sensorless vector control Drive control based on the accurate model of the electric motor. It ensures a far better quality of speed and torque regulation over a very wide range of frequency. Sensorless vector control is designed to operate ...
home and industrial automation Chang Defa Code Descriptions Settings Unit es ult restr. Potentiometer on the operator panel 4 High‐speed pulse input 5 Multi‐step mode 6 PLC mode 7 PID controller 8 0 ‐ Keyboard – Up/Down buttons, Up/Down terminals – values are not preserved in case of a power failure. If you selected value 0, then the motor will start at the frequency set in parameter F0.01. To change ...
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home and industrial automation Chang Defa Code Descriptions Settings Unit es ult restr. 7 – PLC mode In the simple PLC control mode up to sixteen different steps can be defined (defined as a speed, time of acceleration and deceleration, time of operation). Inverter will execute them automatically. Detailed configuration of the PLC mode is done via group E1 parameters. 8 –PID controller The source of frequency setting will be used as a source of feedback setpoint. Parameters from E2 group must be additionally configured for proper operation of the PID controller. ...
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home and industrial automation Chang Defa Code Descriptions Settings Unit es ult restr. X The unit digit – x – Selection of frequency setting source. Frequency set by the main source. 0 The resultant frequency is the result of arithmetic composition of signals from the main source and auxiliary source. Action defining the relation 1 ...
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home and industrial automation Chang Defa Code Descriptions Settings Unit es ult restr. source. Similar to the two previous values. If the source switching input is inactive, then the frequency is set using the auxiliary source. If the source switching input is active, then the frequency is defined as the result of arithmetic operation (set on the second digit of the parameter) between main and auxiliary sources. 2nd digit (on tenths position): This setting is justified only if the first digit of the parameter forces the execution of the frequency composition from the main and auxiliary sources. 0 – Main + Auxiliary The resultant frequency is the arithmetic sum of the frequencies set using man and auxiliary sources. ...
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home and industrial automation Up/Down command Current frequency correction 0 F0.10 ‐ 0 T action Set frequency correction 1 If the frequency is set digitally (for example using buttons/terminals Up/Down) then the parameter F0.10 allows determining whether the Up/Down commands affect the current frequency of the motor or changing the frequency setpoint. The difference in parameter F0.10 operation is particularly evident during acceleration/braking ...
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home and industrial automation the first digit). Parameter F0.12 allows defining linking between sources of START‐STOP commands setting and sources of frequency setting. This way, the flexibility of sources switching can be increased. Example: If parameter F0.12 is set to 24, it means that: 1) If the source of START‐STOP commands is set to operator panel, then the frequency will be set with potentiometer located on the operator panel (first digit of the parameter F0.12 is set to value 4). 2) If the source of START‐STOP commands is set to terminal block, then the frequency will be set with analog input AI1 (second digit of the parameter F0.12 is set to value 2). ...
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home and industrial automation Maximum frequency (F0.19) 0 Reference frequency for F0.16 acceleration and Preset frequency 1 0 N deceleration 100 Hz 2 F0.16 determines the reference frequency for acceleration and deceleration times. Depending on the value of parameter F0.16 the acceleration time is calculated as follows: 0 – Maximum frequency (F0.19) – time of acceleration from zero to maximum frequency (stored in parameter F0.19). 1‐ Preset frequency – time of acceleration from zero to preset frequency. In that case the acceleration time ...
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home and industrial automation frequency is 3200 Hz. Parameter F0.19 is the reference value for the frequency set with high‐ speed pulse input or with digital inputs (multi‐speed mode). Parameter F0.21 0 Analog input AI1 1 Source of upper F0.20 Analog input AI2 2 ‐ 0 T frequency limit setting Potentiometer on the operator panel 3 High‐speed pulse input 4 The maximum output frequency can be set permanently using parameter F0.21. The maximum frequency can be also flexibly limited using analog inputs, high‐speed pulse input or with remote control (Modbus RTU communication). ...
home and industrial automation Inputs functions Chang Defa Code Description Settings Unit es ult restr. F1.00 Configuration of DI1 input 0 … 50 ‐ 1 T F1.01 Configuration of DI2 input 0 … 50 ‐ 2 T F1.02 Configuration of DI3 input 0 … 50 ‐ 8 T F1.03 Configuration of DI4 input 0 … 50 ‐ 9 T F1.04 Configuration of DI5 input 0 … 50 ‐ ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Table of speed combinations in the function of multi‐step control settings is presented below: Bit 4 Bit 3 Bit 2 Bit 1 Command Parameter ‐ ‐ ‐ ‐ Speed 0 E1.00 ‐ ‐ ‐ ON Speed 1 E1.01 ‐ ‐ ON ‐ Speed 2 E1.02 ‐ ‐ ON ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. parameter F0.12 is set to value 2, then the input allows switching the source between the operator panel and the remote control. Acceleration/decelerat Command that locks the ability to change the frequency (besides the 21 ion lock ...
home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Switching between the auxiliary frequency Active input disconnects the auxiliary source of frequency setting and 40 source and the substitutes in its place the value defined in parameter F0.01. setpoint In case the PID controller is configured to switch the PID controller parameters through the terminal block (E2.19 = 1), then: Switching the ...
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home and industrial automation Two‐wire control – Mode 1 0 Control from the terminal Two‐wire control – Mode 2 1 F1.10 ‐ 0 T block Three‐wire control – Mode 1 2 Three‐wire control – Mode 2 3 Parameter F1.10 determines how the START‐STOP commands set through the terminal block of the inverter are processed. Two‐wire control ‐ Mode 1 The simplest and most commonly used form of control. Two DI digital inputs have functions of forward (FWD) and reverse (REV) run. Input configuration: ...
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home and industrial automation Diagram of control connections: PRACA – OPERATION KIERUNEK ‐ DIRECTION Operation logic: K1 K2 Operation ‐ ‐ STOP ‐ ON STOP ON ‐ Operation – Forward ON ON Operation ‐ Reverse Three‐wire control ‐ Mode 1 Operation permission is implemented through the activation of the DIn input (level control), to which the function with code 3 (three‐wire control – permission to operate) is assigned. Starting the motor to operate in the preset direction is done by pressing (pulse control) DIx or DIy input to which the commands with codes 1 and 2 are assigned accordingly. To stop the motor, deactivate the Din input. ...
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home and industrial automation Setting the input configuration Input terminal Function description parameter Operation – Forward (FWD) DIx 1 direction Operation – Reverse (REV) DIy 2 direction DIn 3 Three‐wire control – STOP/ON Motion direction: DIy Direction 0 Forward (FWD) 1 Reverse (REV) GOTOWOŚĆ – STAND‐BY PRACA – OPERATION KIERUNEK – DIRECTION UP/Down terminal – Rate of ...
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home and industrial automation F1.22 F1.12 … 10.00 10.00 V N max F1.23 ‐100.00 … 100.0 100.00 % N max The FA‐3X… inverter allows to define three characteristics of dependencies between the voltage (current) on the analog input and the setpoint on the output of the analog converter. Type of characteristic can be associated with a particular analog input via parameter F1.24 (it is possible to assign both a single characteristic to several inputs, as well as set different characteristic for each input). If the signal value on the analog input exceeds the value X , then the value of the output signal remains at level Y . If the value of the signal on the analog input is lower than the value X , then value 0 or Y ...
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home and industrial automation Settings: F1.12 0.00 V F1.13 ‐100.0 % F1.14 10.00 V F1.15 100.0% Example 3 Current input of 4‐20 mA is set in such a way that for the current of 4 mA the setpoint is 0%, and for the current of 20 mA – 100%. Please note: When using the current input, input signal is calculated according to the following dependency: 1 mA = 0.5 V. Settings: F1.12 ...
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home and industrial automation Units digit – selection of the characteristic for input AI1 First characteristic (F1.12 … 1 F1.15) Second characteristic (F1.16 2 … F1.19) Selection of the Third characteristic (F1.20 … 3 F1.24 characteristic of the analog ‐ 321 N F1.23) input Tenths digit – selection of the characteristic for input AI2 Values – as above. Hundredths digit – selection of the characteristic for the potentiometer on the operator panel Values – as above. Units digit – Input AI1 Minimum value 0 0.0% 1 Signal value below the Tenths digit – Input AI2 F1.25 ‐ 0 N minimum value Values – as above. Hundredths ...
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home and industrial automation Digital F1.30 0.000 … 1.000 s 0.01 N inputs DI Analog F1.31 0.00 … 10.00 s 0.1 N inputs AI1 Analog F1.32 0.00 … 10.00 s 0.1 N inputs AI2 Potentiome ter on the F1.33 0.00 … 10.00 s 0.1 N operator panel F1.34 Pulse input 0.00 … 10.00 s 0.1 N Parameters of the group F1.30 – F1.34 allow specifying the length of time from which the voltages applied ...
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home and industrial automation 1 – Negative logic If negative logic is selected, open contact between the inputs DI and COM (default) is treated as an input activation. In contrast, closed contact between the inputs DI and COM is treated as an inactive input. F1.37 DI1 – Delay Time 0.0 … 3600.0 s 0.0 T F1.38 DI2 – Delay Time 0.0 … 3600.0 s 0.0 T F1.39 DI3 – Delay Time 0.0 … 3600.0 s 0.0 T Time from the digital input state change to the activation of the function associated with the given digital input. Please note: Only inputs DI1, DI2, DI3 allow setting the delay of input activation. Vector power inverter FA‐3X110 … FA‐3X220 – User manual v. 1.0.0 43 ...
home and industrial automation Outputs functions Chang Defa Code Description Settings Unit es ult restr. High‐speed pulse output 0 SPB output operation F2.00 ‐ 0 N mode Standard transistor output 1 The SPB output can operate in two different modes – as a high‐speed pulse output with a maximum output frequency of 100 kHz or as a classic transistor output of the OC (open collector) type. In the first case (high‐ speed output) the function of the output is selected using parameter F2.06, and in the second case (normal output) using parameter F2.01. SPB transistor output F2.01 0 … 40 ‐ 0 N function F2.02 T1 relay output function 0 … 40 ‐ 2 N ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Output is active when the preset frequency is higher than the maximum 13 Output frequency limit value or lower than the minimum value (which means when the inverter cannot reach the preset frequency). Limit of the output 14 Output is active when the threshold value of torque is exceeded. torque Output is activated when the inverter is ready to operate, which means 15 Operation readiness when the power is on, voltage on the DC track is stable and there were no reported errors. Output is active when the voltage level on analog input AI1 is higher 16 ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Output is active when the frequency is equal to or lower than the minimal value. 37 Minimum frequency Please note: Output will also be active when the motor is stopped with the STOP command. 38 Alarm Alarm indication High‐speed pulse output F2.06 0 … 15 ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. input AI1. Scaling of the signal covers the range of 0 to 10 V. Value of the signal is proportional to the voltage value on the analog 8 AI2 input AI2. Scaling of the signal covers the range of 0 to 10 V. In the length measurement mode the output signal is proportional to the currently measured length. ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Subsequent digits of the parameter F2.15 determine the logic of the binary outputs: transistor SPA and SPB and relays T1 and T2. 0 – Positive logic Positive logic means that if the output is active then the corresponding relay contact is closed and the transistor (operating in the OC – open collector system) is activated. 1‐ Negative logic Negative logic means that if the output is active then the corresponding relay contact is open and transistor (operating in the OC – open collector system) is deactivated. ...
home and industrial automation START – STOP functions Chang Defa Code Description Settings Unit es ult restr. Direct start‐up 0 F3.00 Starting method Start‐up with speed tracking 1 ‐ 0 N Start‐up with initial activation 2 Parameter F3.00 determines the method of motor starting. 0 – Direct start‐up Motor is started from the speed of 0 Hz. If the DC braking is set, then the motor stopping procedure is performed first and only then the start‐up commences. ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Example 1 – Starting frequency higher than the frequency setpoint F0.01 = 2.00 Hz – Frequency setpoint of 2 Hz F3.03 = 5.00 Hz – Starting frequency of 5 Hz F3.04 = 2.0 s – Time of operation with the starting frequency – 2 s Since the starting frequency is higher than the setpoint frequency, so for 2 seconds from the moment the run command was issued the motor is stopped, then it accelerates to the speed of 2 Hz. Example 2 – Starting frequency lower than the frequency setpoint F0.01 = 10.00 Hz – Frequency setpoint of 10 Hz F3.03 = 5.00 Hz – Starting frequency of 5 Hz F3.04 = 2.0 s – Time of operation with the starting frequency – 2 s ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. DC braking start F3.08 0.00 – F0.19 (Maximum frequency) Hz 0 N frequency Time to DC braking F3.09 0.0 … 100.0 s 0 N start F3.10 DC braking current 0 … 100 % 0 N F3.11 DC braking time 0.0 … 100.0 s 0 N In the case of direct current braking the inverter will decelerate to frequency F3.08 and disconnect the motor power. After time F3.09 braking will start with the direct current of value F3.10 (parameter is expressed as a ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Acceleration time per first F3.14 0 … 100 % 30 T section of the S curve Acceleration time per F3.15 second section of the S 0 … 100 % 30 T curve Częstotliwość zadana – Preset frequency ...
home and industrial automation U/f characteristic F4 parameters group is responsible for the form of the U/f characteristic. When using vector control function, settings of these parameters are ignored. U/f function control is particularly useful when the inverter is used for driving pumps, fans, simultaneous control of multiple motors or in case where there are large discrepancies between the power of the inverter and the power of the motor. Chang Defa Code Description Settings Unit es ult restr. Linear – U/f = constant 0 User‐defined 1 Quadratic – U~f 2 Reduced 1 ‐ U~f 3 Reduced 2 ‐ U~f 4 F4.00 U/f control characteristic Reduced 3 ‐ U~f 6 ‐ 0 T Reduced 4 ‐ U~f ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Napięcie znamionowe – Rated voltage Podbicie momentu – Torque boost Częstotliwość graniczna – Threshold frequency Częstotliwość znamionowa – Rated frequency It is recommended to use a greater torque boost for heavy drives, where the standard driving torque is insufficient to accelerate the motor. ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Please note Use caution when setting a high voltage value corresponding to a low output frequency. At low frequencies the motor windings have significantly lower impedance than at the output frequency, which along with the high voltage can cause overheating of the windings or overload of the inverter. ...
home and industrial automation Vector control F5 parameters group is active only when the operating mode with vector control (parameter F0.00 = 0 or 1) is active. For proper operation in vector control mode it is necessary to properly specify the motor parameters (b0 parameters group) and identify its electrical parameters. Please note In most cases there is no need to modify parameters from F5 group. Changes are justified only in cases when the standard settings of vector control do not provide satisfactory results and require extensive knowledge of control systems. ...
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home and industrial automation F5.09 Differential strengthening 50 … 200 % 150 N In vector control mode parameter F5.09 can be used for improving the stability of speed. If the rotational speed is low, the stability can be improved by increasing the value of the parameter. If the rotational speed is high, reducing the value of parameter F5.09 gives better results. Time constant of the F5.10 0.000 … 0.100 s 0 N speed filter Counter‐activation stream F5.11 0 … 200 ‐ 64 N ...
home and industrial automation Operator panel F6 parameters group is responsible for operator panel operation and organization of the data displayed on the LCD monitor. Chang Defa Code Description Settings Unit es ult restr. Active only when the control is carried 0 F6.00 STOP/RESET button out through the panel ‐ 1 N Always active 1 0 – Active only when the control is carried out through the panel STOP/RESET button on the operator panel will be active only if the inverter is controlled through the operator panel. ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Parameters displayed F6.03 0x0000 … 0xFFFF ‐ 0x33 N when the drive is stopped Mnożnik – Multiplier Szybkie wejście impulsowe DI5 [Hz} – High‐ speed pulse input DI5 [Hz] Regulator PID – Wartość zadana – PID controller – setpoint Prędkość obrotowa – Rotational speed Tryb PLC – Etap – PLC mode – phase Długość – Length Częstotliwość zadana – Frequency setpoint [Hz] Napięcie na torze DC [V] – Voltage on the DC track [V] Wejścia cyfrowe – Digital inputs DI Wyjścia cyfrowe – Digital outputs DO Wejście analogowe – Analog input Al1 [V] Wejście analogowe – Analog input Al2 [V] Licznik ‐ Counter If any of the above parameters should be displayed when the motor is stopped, then 1 needs to be set in the bit field corresponding to this parameter and then the whole number needs to be converted into a hexadecimal number (HEX) and in that form saved in parameter F6.03. ...
home and industrial automation Auxiliary parameters Chang Defa Code Description Settings Unit es ult restr. F7.00 JOG – Frequency 0.00 … F0.19 (maximum frequency) Hz 2 N F7.01 JOG – Acceleration time 0.0 … 6500.0 s 20 N F7.02 JOG – Braking time 0.0 … 6500.0 s 20 N Parameters F7.01 – F7.03 define the behavior of the inverter during the trial run of the motor (JOG). In the Jog mode the motor is always started in direct start‐up mode (F3.00 = 0), and stopping is done via motor braking (F3.07 = 0). On 0 F7.03 JOG – Operation priority ‐ 0 N ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Częstotliwość wyjściowa – Output frequency Częstotliwość zabroniona 2 – Forbidden frequency 2 Częstotliwośc zabroniona 1 Forbidden frequency 1 F7.08 Acceleration time – 2 0.0 … 6500 s ‐ N F7.09 Braking time – 2 0.0 … 6500 s ‐ N F7.10 Acceleration time – 3 0.0 … 6500 s ‐ N ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Częstotliwość wyjściowa ‐ Output frequency Częstotliwość zadana – Setpoint frequency Acceleration – if the frequency is lower than the value F7.14 then the acceleration is carried out according to the time F0.13 (first acceleration time). After crossing the frequency F7.14 the acceleration time switches to value F7.08 (second acceleration time). Braking – if the frequency is higher than the value F7.15 then the braking is carried out according to the time F0.1r (first braking time). After crossing the frequency F7.15 the braking time switches to value F7.09 (second braking time). Interval after motor F7.16 0.00 … 3600.00 s 0 N stopping Interval between the operations in opposite directions. If, for example, the motor stops after operating Forward, ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. inverter can act as an electric brake). Inverter switch‐on F7.20 0 … 36000 h. 0 N setpoint time Parameter for setting, for example, alarm associated with exceeding a preset time of the inverter activation. If the total operation time (parameter F6.08) exceeds the value set in parameter F7.20 then the DO output (for which the function with code 24 was set) will be activated. Preset time of drive F7.21 0 … 36000 h. 0 N operation If the total operation time (parameter F6.07) exceeds the value set in parameter F7.21 then the DO output (for which the function with code 12 was set) will be activated. On 0 START command F7.22 ‐ 0 N protection Off ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Częstotliwość wyjściowa [Hz] – Output frequency [Hz] Częstotliwość FTD1 (F7.23) – FTD1 frequency (F7.23) Histereza FTD1 (F7.23*F7.24) – FTD1 Hysteresis (F7.23*F7.24) Wyjście cyfrowe DO – DO digital output F7.25 Preset frequency zone 0.00 … 100.00 % 0 N If the output frequency of the inverter is in the zone (with the width specified in parameter F7.25) around the preset frequency then the digital output to which the function with code 4 is assigned will be activated. Parameter F7.25 is scaled from zero to 100% of the maximum frequency. Scheme of operation is shown in the ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. N Freq_1 – Reaching F7.28 0.00 … F0.19 (Maximum frequency) Hz 50 frequency F7.29 Freq_1 – Detection zone 0.0 … 100.0 (Maximum frequency) % 0 Freq_2 – Reaching F7.30 0.00 … F0.19 (Maximum frequency) Hz 50 N frequency F7.31 Freq_2 – Detection zone 0.0 … 100.0 (Maximum frequency) % 0 Parameters F7.29 – F7.31 allow to define two zones, the reaching of which will be indicated on the digital outputs ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Maximum current – F7.34 0.0 … 300.0 (Rated motor current) % 200 N detection level Maximum current – F7.35 0.01 … 360.00 s 0.1 N detection delay When the output current of the motor will rise during the motor operation for the preset time (parameter F7.35) above the maximum value (parameter F7.34) then the digital output to which the function with code 36 ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Current I1 – detection F7.39 0.0 … 300.0 (Rated motor current) % 0 N zone width Parameters F7.36 – F7.39 allow to define two zones, the reaching of which will be indicated on the digital outputs DO. Digital output to which the function with code 28 is assigned will be activated in the case of current I1, and in the case of current I2 – output with code 29 function assigned to it. Scheme of operation is ...
home and industrial automation Chang Defa Code Description Settings Unit es ult restr. When the current time of operation (the drive is switched on) exceeds the value set in parameter F7.45 then the digital output to which the function with code 40 is assigned will be activated. Input AI1 – Minimum F7.50 0.00 – F7.51 V 3.1 N voltage control Input AI1 – Maximum F7.51 F7.50 – 10.00 V 6.8 N voltage control If the voltage on the analog input AI1 exceeds the level set in parameters F7.50 – F7.51 then the digital output to which the function with code 31 is assigned will be activated. Security measures Chang Defa Code Description Settings Unit es ult restr. Acceleration and braking ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. threshold level Over‐voltage control protects the inverter against excessive voltage on the DC track resulting from the return of energy from the motor during hard braking. If the voltage on the DC track during braking exceeds the value set in parameter F8.06 (measured against the rated DC voltage corresponding to the power from 3x400V electric network), the intensity of the braking speed will be reduced until the DC voltage returns to a safe value. The intensity of braking reducing depends on the setting of parameter F8.05. The ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Motor coast to stop 0 Motor brake to stop 1 No reaction 2 Third digit – xxXxx No output phase (error 13) Motor coast to stop 0 Motor brake to stop 1 No reaction 2 Fourth digit – xXxxx External error (Error 15) Motor coast to stop 0 Motor brake to stop 1 No reaction 2 Fifth digit – Xxxxx Communication error (Error 16) Motor coast to stop 0 Motor brake to stop 1 No reaction ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Motor brake to stop 1 No reaction 2 Third digit – xxXxx Reaching the preset time of inverter operation (Error 29) Motor coast to stop 0 Motor brake to stop 1 No reaction 2 Fourth digit – xXxxx Load drop (Error 30) Motor coast to stop 0 Motor brake to stop 1 Frequency reduction to 7% of rated frequency and continuation of the 2 ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Maximum frequency 2 Minimum frequency 3 Limited speed 4 F8.25 Speed limit level 60.0 … 100.0 % 100 N If an error occurs when the error handling procedure (parameters F8.17 – F8.19) is to continue the operation, parameter F8.24 determines the speed at which the motor will rotate after error. When parameter F8.24 = 4, speed limit level is set with parameter F8.25. F8.25 is scaled as a percentage of the maximum speed. No reaction 0 Reaction to temporary F8.26 Braking 1 ‐ 0 N power failure Braking to a stop 2 Frequency of braking time F8.27 80.0 … 100.0 ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Napięcie DC – DC voltage Napięcie progowe F8.29 – Threshold voltage F8.29 Opóźnienie załączenia F8.28 – Start delay F8.28 Częstotliwość wyjściowa – Output frequency Częstotliwość przełączenia F8.27– Switching frequency F8.27 Czas hamowania – Braking time ...
home and industrial automation Torque control FA parameters group is responsible for the configuration of the inverter to operate in motor torque control mode. Chang Defa Code Description Settings Unit es ult restr. Speed control 0 FA.00 Speed/torque control ‐ 0 T Torque control 1 Speed or torque control mode can be selected with parameter FA.00 as well as with digital inputs to which the function with code 46 (switch between speed and torque control) is assigned. If these inputs are not used, parameter FA.00 determines the mode of control. If the inputs are set, then: ...
home and industrial automation PLC mode PLC mode allows programming a sequence of up to sixteen steps of actions performed automatically by the inverter. Speed, direction, motion time, acceleration time and braking time can be programmed for each step. Chang Defa Code Description Settings Unit es ult restr. E1.00 Step 0 – Speed ‐100.0 … 100.0 % 0 N E1.01 Step 1 – Speed ‐100.0 … 100.0 % 0 N E1.02 Step 2 – Speed ‐100.0 … 100.0 % 0 N E1.03 Step 3 – Speed ‐100.0 … 100.0 % 0 N E1.04 ...
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home and industrial automation Motor stop after the end of the 0 program E1.16 PLC control mode Maintain last speed after the end ‐ 0 N 1 of the program Cyclical repetition of the program 2 Parameter E1.16 determines the manner in which the PLC program will be executed. Scheme of a single program execution is shown in the figure below: ...
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home and industrial automation Preserving the state after Stop command – if it’s on, then when the Run command is deactivated the inverter will remember the currently executed step of the PLC program. Activating the Run command again will execute the program from the point it was stopped. If it’s off, then after break in the operation the state of the program will not be preserved and after motor restart the program will be executed from the beginning. E1.18 Step 0 – Operation time 0.0 … 6500.0 s (h) 0 N Step 0 ‐ Acceleration/braking E1.19 0 … 3 ‐ 0 N time E1.20 ...
home and industrial automation time Seconds (s) 0 E1.50 Time scale ‐ 0 N Hours (h) 1 Parameter E1.00 0 Analog input AI1 1 Analog input AI2 2 Potentiometer on the operator 3 panel E1.51 Source of frequency for Step 0 ‐ 0 N High‐speed pulse input DI5 4 Preset PID value 5 Frequency from parameter F0.01 (modified with Up/Down 6 ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Scaling of display of the E2.04 0 … 65535 ‐ 1000 N setpoint and feedback E2.04 is a dimensionless multiplier used to scale the PID controller setpoint or feedback value to the form displayed in the parameters d0.15 and d0.16. For example: if setpoint is equal to 100% and E2.04 = 2000, parameter d0.15 will display setpoint in the form of number 2000. ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Integration time TI – parameter characterizing an integrating part of the PID controller. If control error is constant, the integral controller reaction will increase in linear fashion with speed dependent on the integration time. The shorter the value of TI, the faster the controller reaction. If control error is equal to a 100%, the integration controller output will linearly change the frequency from zero to maximum value in time TI. Derivative time TD – parameter characterizing the derivative part of the PID controller. Signal on the output of derivative controller will depend on the changes in control error value and the set value of the ...
home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Częstotliwość wyjściowa – Output frequency Motor parameters Chang Defa Code Description Settings Unit es ult restr. Asynchronous motor 0 Asynchronous motor dedicated to 1 b0.00 Type of the motor inverter drives ‐ 0 T Synchronous motor with permanent 2 ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. Asynchronous motor – b0.08 0.01 … b0.03 A ‐ T no‐load current Parameters b0.06 – b0.10 are calculated in the process of automatic tuning of the motor and are necessary for proper operation of the drive in the vector control mode. If the tuning is done on the stopped motor, the inverter identifies only parameters b0.06 – b0.08. ...
home and industrial automation Chang Defa Code Description Settings Unit es ult restr. identified based on that. 11 – Synchronous motor – tuning with the motor stopped 12 – Synchronous motor – tuning with the motor running Tuning for synchronous motor is carried out in the same way as for the asynchronous motor. Security and default settings Chang Defa Code Description Settings Unit es ult restr. No action 0 Restore the default parameters (except 1 for the motor configuration) History clearing 2 Restore the default configuration of all y0.00 ...
home and industrial automation Errors Chang Defa Code Description Settings Unit es ult restr. Code of the first error y1.00 0 … 51 ‐ ‐ T (the youngest) y1.01 Code of the second error 0 … 51 ‐ ‐ T Code of the third error y1.02 0 … 51 ‐ ‐ T (the oldest) Parameters y1.00 – y1.02 store information about the codes of three recently registered errors. List of errors is presented in the table below. More information about the particular errors and the reasons of their occurrence can be found in the appendix devoted to errors. ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. State of the digital inputs when the error occurred. If the input was active, the corresponding bit is set to 1. If the input is inactive, the corresponding bit is set to 0. y1.06 Digital inputs state T Bit 7 6 5 4 3 2 1 0 DI 8 ...
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home and industrial automation Chang Defa Code Description Settings Unit es ult restr. State of the digital outputs when the error occurred. If the input was active, the corresponding bit is set to 1. If the input is inactive, the corresponding bit is set to 0. y1.27 Digital outputs state T Bit 4 3 2 1 0 DO REL2 SPA ...
home and industrial automation Part 6. Error identification Code of the Problem Possible cause Solution error 1. Short circuit on the inverter 1. Check the connections outside of output. the inverter. 2. Too long cables between the 2. Install additional output filter motor and the inverter. and/or reduce the switching 3. Too high temperature of the frequency. ...
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home and industrial automation 1. Short circuit on the output of the 1. Check the connections outside of inverter. the inverter. 2. Vector control mode was set 2. Enter correct motor parameters without correct parameters and perform automatic tuning. Overload during constant identification. 3. Ensure the power supply with Err.04 speed 3. Too low supply voltage. appropriate voltage level. 4. Rapid load increase on the 4.
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home and industrial automation 1. One of the supply voltage phases is not connected. 1. Verify the power supply 2. Damaged contactor that limits connection to the inverter. Input voltage phase Err.12 the initial current. 2. In other cases, report the failure 3. Incorrect inverter operation. problem to the service 4. Damaged input module. department. 5. Damaged control board. 1.
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home and industrial automation Do not turn on the inverter again until the cause of failure is identified and removed. Clear the inverter history using the Reaching the preset Reaching the preset operation time Err.26 function to restore the default operation time (set in parameter F7.21) configuration of the inverter. External error occurrence reported Confirm and clear the error Err.27 External error 1 on the digital input DI to which the message. ...
home and industrial automation Part 7. Inverter specification Power supply Voltage and frequency 3 x 400 V (±10%), 50/60 Hz (±5%) Output voltage 3x400 V (for 400 V power supply) 0.00 – 3200 Hz (U/f control) Output frequency 0.00 – 300.00 Hz (vector control) 1) Constant torque characteristic V/F control 2) Reduced torque characteristic characteristic 3) Torque characteristic set by the user 4) Vector control (sensor and sensorless) 180% for 0.50 Hz Initial torque Dynamics of speed 1: 100 control Stability of output ±0.5% speed In V/F control mode – automatic or user defined. Torque boost Linear or programmable S curve characteristic. Acceleration/decelerati on Maximum acceleration and deceleration time – 6500 s. Digital frequency setting: 0.01 Hz(f <= 100 Hz), 0.1 Hz (> 100 Hz). Frequency setting accuracy Analog frequency setting: 1% of maximum frequency. ...
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home and industrial automation 1) They can operate both as voltage inputs (0 ~ 10 V) and current inputs 0 ~ 20 mA. 2) Analog outputs can be programmed to indicate: a. preset and actual frequency; b. voltage and output current; 2 analog outputs c. voltage on the DC track; d. IGBT power amplifier temperature; e. output power; rotational speed of the motor; g. driving torque. 1) High‐speed pulse output (maximum frequency of 100 kH). Possible indications: a. preset frequency; b. actual frequency; c. current value; d. output voltage; 2 transistor outputs. e. voltage on the DC track; power amplifier temperature; g. output power; h. rotational speed of the motor; output torque. ...
home and industrial automation dust, moisture, corrosive or explosive gases. Installation Cooling by natural and forced airflow. Table of types Input Input Output Output Length Width Height Maximum Inverter voltage current voltage current motor power L W H type V A V A mm mm mm kW 3x400V 26A 3x400V 25A 360 220 210 FA‐3X110 ...
home and industrial automation Mounting holes: Length Width Diameter a b d Inverter type mm mm mm 340 150 10 FA‐3X110 FA‐3X150 340 150 10 FA‐3X220 415 165 10 Figure 12) Operator panel – dimensions and mounting Selection of braking resistors If the high efficiency of braking is required, use additional braking resistors that dissipate the energy transmitted from braking drive to the inverter DC link circuit. Do not, under any circumstances, use resistors with lower resistance or lower power than shown in the table below. Failure to do so may result in damage to the inverter and there is a danger of fire. Vector power inverter FA‐3X110 … FA‐3X220 – User manual v. 1.0.0 ...
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home and industrial automation Inverter Braking resistor Resistor power Type power resistance kW W 11 50 1000 FA‐3X110 15 40 1500 FA‐3X150 FA‐3X220 22 ‐ ‐ Vector power inverter FA‐3X110 … FA‐3X220 – User manual v. 1.0.0 95 ...
home and industrial automation History of changes 2014.05.05 The release of the first version of the FA‐3X inwerter user manual. Vector power inverter FA‐3X110 … FA‐3X220 – User manual v. 1.0.0 96 ...
home and industrial automation Warranty 1. The inverter comes with a 24 month warranty. The term of this warranty begins on the purchase date of the product. 2. The warranty is valid only with a proof of purchase. 3. The notification of the complaint must be made at the place of purchase or directly at the manufacturer: F&F Filipowski sp. j. ul. Konstantynowska 79/81 95‐200 Pabianice Phone: (42) 227‐09 71 e‐mail: dztech@fif.com.pl 4. Written information about the nature of the fault and the circumstances of its occurrence must be attached to the notification of the complaint. 5. F&F Filipowski sp. j. commits itself to review the complaints in accordance with Polish law. 6. The choice of the form of settling the customer complaint: replacement of the product for the product free from defects, repair or refund belongs to the manufacturer. 7. Warranty does not cover: a. Mechanical and chemical damages. b. Damages resulting from improper use or inconsistent with the user manual. c. Damages incurred after the sale as a result of accidents or other events for which nor the producer, nor the place of sale are responsible, for example damages in transit. 8. Warranty does not cover actions that user should perform in accordance with the user manual, for example installing multi‐meter, building electrical installation, installing other required electrical protection. 9. Warranty does not limit the buyer’s rights arising from the nonconformity of goods with the contract. ...
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