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Video Audio icon An illustration of an audio speaker. Audio Software icon An illustration of a 3. Software Images icon An illustration of two photographs. NOTE: When setting this parameter, begin at a lower current level, then increase thevalue until sufficient holding torque is achieved.
The rated motor current should not beexceeded. This parameter determines the time duration that DC braking current will be applied tothe motor during the AC drive start-up. This parameter determines the time duration that DC braking current will be applied tothe motor when the Motor Stop Method Pr. The frequency may be set in 0. When the value isless than that specified by Pr. Speed searchstarts with the Frequency Reference Value.
Speed searchstarts with the Minimum Frequency. NOTE: Fault contact is not energized during restart after a momentary power loss. Thisparameter determines the AC drive mode of operation after recovery from amomentary power loss. During a power failure, if the power loss time is less than the time defined by thisparameter, the AC drive will resume operation. If the Maximum Allowable Power Loss. When a momentary power loss is detected, the AC drive output turns off for aspecified time interval determined by Pr.
This timeinterval is called the "Base Block Time". This parameter should be set to a value wherethe residual output voltage is nearly zero. Following a power failure, the AC drive will start its speed search operation only if theoutput current is greater than the value determined by Pr. When the output currentis less than that of Pr. The drive will start to accelerate or decelerate back tothe operating frequency at which it was programmed to operate. When value 02 is selected for Pr.
Three Wire Control remains in effect. The External Fault input signal has fast priority for display of "E. All AC drive functions will be stopped and the motor will free-run. Normal operation can resume after the external fault is cleared and the AC drive is reset. External Reset has the same function as the Reset key on the Digital keypad.
Externalfaults O. These three inputs select the multi-step speeds defined by Parameters 17 - 23 asshown in the following diagram. Parameters 78 - 87 can also control output speed by.
Jog operation programmed by 09 can only be initiated with the motor stopped referto Pr. When the command is accepted, acceleration and deceleration is stoppedand the AC drive maintains the motor at a constant speed. Value 12 is for normally open N. Application Note:When the programmed inputs for 12 or 13 are used to activate base block control,the motor will free run. When base block control is deactivated, the AC drive will startits speed search function and synchronize with the motor speed then accelerated toprogrammed frequency.
Parameter value 15 programs aninput to decrease the output frequency. If the input is pulsed, the outputfrequency will change one unit. This control function is enabled when the drive isrunning. The modified frequency is stored in non-volitile memory. AC drive internal PLC function. Parameter value 17 programs and input terminal topause the PLC program. Parameters 17 - 23, 78, 79 and 81 to 87define the PLC program.
Parameter value 17 programs an input to pause the PLCprogram when the input is shorted to ground. When the input terminal is not closed,the PLC program runs continuously. When the input transitions from low to high the counter isincremented by 1. Application Note: The Counter Trigger input can be connected to an external sensor to count a processstep or unit of material used in a process.
Refer to the diagram below. Application Note: The purpose of this function is to provide isolation for unused Multi-function Input Terminals. Any unused terminals should be programmed to 20 to insure they have noeffect on drive operation. This parameter selects the AC drive output frequency or output current that will beproportional to the analog meter output signal voltage DC: 0v - 10v. This function regulates voltage level of the AC motor drives analog signal output eitherfrequency or current output at the AFM output terminal, which is then fed to afrequency or current indication meter.
The analog voltage output is proportional to the ACdrive output frequency. If required, adjust the output level using Pr. The analog voltage output is proportional to the ACdrive output current. Parameter Pr. Example 4: In this example a Process Signal range of 0 to 5 V is used to control theoutput frequency from 0 to 60 Hz. Programming for this function can be done in twoways: 1 set Pr.
Example 5: In this example Pr. This configuration is suitable for high noiseenvironments where an external potentiometer is connected to the external AVIterminals by a cable. Example 6: This example is a variation of Example 5. Set Pr. In Example 5 the maximum output frequency is54 Hz.
Example 7: This example is a combination of the previous 6 examples with forwardand reverse motion added. Note: forward and reverse motion control is not availablethrough the external terminals.
Refer to Pr. Example 8: In this example sensors are used to control the output frequency from 60to 0 Hz. As the process signal increases from 4 to 20 mA, the output frequencydecreases from 60 to 0 Hz. This parameter must be set according to the ampere specification found on the motornameplate. The setting will limit the AC drive output current and prevent the motorfrom overheating.
In the event the motor current exceeds this value, the outputfrequency will be reduced until the motor current drops below this limit. This parameter may be set so that the AC drive will increase its voltage output duringstart-up to obtain a higher initial starting torque.
The additional torque will be present. If the value is too high, themotor might overheat or be damaged. As motor load increases, the motor slip increases. This parameter may be used tocompensate for the nominal slip within a range of 0. This parameter displays the rated current of the AC motor drive. By reading thisparameter the user can check if the AC motor drive is correct. See Pr. To prevent self-cooled motors from over heating when running at low speeds, programthis parameter to limit the AC drive output power.
This parameter programs the time required to activate the I 2t electronic thermalprotection function. The activation time may be defined according to short, standardand long time ratings. Drive operation halted after over-torque detection.
Drive operation continues after over-torque detection. This parameter determines the AC drive's operation after Over-torque is detected. Over-torque Detection is based on the following: when the output current exceeds the Over-torque Detection Level Pr. The Multi-function PHC output 1 and 2 may be set to indicate over-torquecondition.
Coefficient K determines the multiplying factor for the user-defined value v. The maximum value that can be displayed is This parameter determines the three skip frequencies which in conjunction with Pr.
Note: Pr. This parameter determines the frequency band for a given Skip Frequency. Programming this parameter to 0. This parameter controls the programming and read status for all parameters. Value10 resets all parameters to factory settings. If there is no fault in the period of this setting, it will reset the rest restart times that usedafter fault to the setting of restart times.
Step operationindication. PLC program execution will not be interrupted when and other parameter values arechanged. Forward motion of Pr. Reverse motion of Pr. This parameter defines the terminal count value for the internal counter. The countercan be incremented by a low-to-high transition on a selected Multi-Function Input. Terminal: M1 or M2.
Upon completion of the count, if Pr. If Pr. The counter canbe incremented by a low-to-high transition on one of the programmed Multi-FunctionInput Terminals: M1 or M2. The count starts at c When it reaches the preliminarycount value and the selected Multi-Function Output Terminal will be closed Pr. Preliminary Count can be used to initiate an external event before the "terminalcount" is reached.
Se Pr. Author n3ki View Download This chapter contains information on the following: Getting Started Unpacking, Inspection, and Storage Nameplate Information Identification of Parts Getting Started This manual will help in the installation, parameter setting, troubleshooting, and dailymaintenance of the AC drive.
Receipt After receiving the AC drive, inspect the unit to insure it was not damaged duringshipment. Make sure that the part number indicated on the nameplate and packing carton corresponds with the part number of your order. B1, B2 Cable lengths and cross-sections: Use 75 grade copper wire minimumMax. Chapter 2 Installation and WiringChapter 2 provides the information needed to properly install and wire the AC motordrive. This chapter contains the following information: Installation Requirements Wiring Installation RequirementsInstall the drive vertically to provide proper ventilation.
The figure below shows the minimum space needed. The AC motor drive should be installed in an environment that is: protected from rain or moisture protected from direct sunlight protected from corrosive gases or liquids free from airborne dust or metallic particles free from vibration free from magnetic noise Climate condition : Class 3K3 temperature between C to 50 C, Operation above 40 C requires good ventilation to avoid over-heating.
Main-circuit terminals spec. Main-circuit wiring is V 14AWG max. Km line lengfh m Current A 10 -3 Connection for optional brake resistor. Refer to Appendix for model numbers.
Screened wiring between drive and motor should not exceed 50 ft. Z T can be assessed on the basis of thefollowing factors:- the contact resistance between the individual screen conductors. A braided pattern or closed pipe is recommended. Forwardrunning When the drive output terminals U, V, and W are connected to the motor terminalsU, V, and W, respectively, the motor will rotate counter-clockwise viewed from theshaft of the motor as shown above when a forward operation command is received FWD lamp is ON.
Make sure that the power source supplies the correct voltage and is capable of supplying the required current to the drive.
To reverse the direction of rotation, interchange the connection of any of the twomotor leads. Tighten all screws on AC circuit terminalssecurely. The conduit on both the input and output of the power line should be grounded. Reducing carrier frequency can also be a way to reduce EMI noise, however audible noise from themotor will increase. RUN KeyStarts inverter drive operation. VR for Setting Freq. Could be the main-freq. This key has noeffect when the drive is controlled exclusively by the External Control Terminals.
Green lamp lights during FWD operation. Red lamp lights by pressing STOP. Green lamp light by pressing RUN. If the potentiometer is to be used as the speed referenceparameter Pr.
AmpsSet the ramp times: Accel time Parameter Pr. Adjust desired speed using the "Arrow" keys. Displays the counter value c. Displays the specified parameter. Displays the actual value stored within the specified parameter.
AC drive forward run status. AC drive reverse run status. Press keysto select theparameter number. Indication afterpower on. Parameter valuesetting motor. Output frequencymonitor. Output currentmonitor. Displays the frequencysetting monitor.
The settingvalue monitor Modified the Pr. The settingvalue is right. Parametersetting monitor. Frequency valuesetting monitor. Setting the freq. Decrease the freq. Increase the freq. The freq. Frequency settingwill be displayedafter the fault isremoved. Change to Reverseoprtation. Change the Fwd. Setting thefrequency. Decrease motorspeed to stop. Stop mode. Operate at Refer to parameters 38, 39, 40, 41 and 42 for more details.
Ramp Coast To determine the best method to stop the motor, the type of load needs to beconsidered. Frequency command sec. Speed Stop command Setting value Stop command? Set value Pr. Deceleration time 1 is the default when a Multi-Function Input Terminal has not been programmed to select between Deceleration time 1 andDeceleration time 2.
Factory Setting 6. Factory Setting 0. Mode 2 - Two wire control: Parameter value set to 01 Pr. Mode 3 - Three wire control: Parameter value set to 02 Pr. Mx "Open": Operation available. O Setting by 03E. Parameters 78 - 87 can also control output speed by programming the AC drive's internal PLC function.
Mx "Close": Operation available. Mx "Closed": Operation available. NOTE: This function is disabled when the drive is performing other functions. Running with 2nd Accel. Actual operation Freq. Setting Freq.
Setting by 12B. Setting by 13 Mx "Closed': Operation available. Setting by 15Mx "Closed": Operation available Freq. Auto-Running is available. GND Mx Counter value add. Trigger 18 Counter trigger signal input.
Indicated by c00 on display. Multi-function terminals wiring example Pr. The Motor Rated Current Pr. The additional torque will be present until the maximum operating frequency is attained.
TemperatureFactory Setting 02 Units NoneSettings 00 Active with standard motor 01 Active with special motor02 Inactive To prevent self-cooled motors from over heating when running at low speeds, programthis parameter to limit the AC drive output power.
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