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1. ademas 44 START STOP AND SPEED 45 15 0 AC300 CONTROL WIRING DIAGRAMS 53 AC300 TERMINAL 53 TWO WIRE START STOP CONTROL 54 THREE WIRE START STOP CONTROL 55 SPEED POT AND PRESET SPEED CONTROL Table of Contents continued 16 0 17 0 18 0 19 0 PROGRAMMING THE AC300 DRIVE 57 PROGRAMING THE PARAMETERS 57 PARAMETER ACCESS USING SPEED DIAL 60 PARAMETER MENU 61 DESCRIPTION OF PARAMETERS 64 TROUBLESHOOTING 101 1 0 General 1 1 PRODUCTS COVERED IN THIS MANUAL This manual covers the Minarik AC300 Series Variable Frequency Drive 1 2 PRODUCT CHANGES Minarik Corporation reserves the right to discontinue or make modifications to the design of its prod ucts without prior notice and holds no obligation to make modifications to products sold previously Minarik Corporation also holds no liability for losses of any kind which may result from this action Latest revisions of Minarik manuals are available for download at www minarikdrives com 1 3 WARRANTY Minarik Corporation warrants the AC300 Series AC motor control to be free of defects in material and workmanship for a period of twel
2. 0 51 20 81 069 00 087 002 092 ove 06S 00 087 002 092 ove 002 092 ove 01 06S 009 002 0 2 ove 02 0 2 920 002 0 2 ove OzL 0vc 160 80 OzL 0vc 8170 520 39VL1OA dH 1 Xv VIN3N 40 G 40 YWAN X YWAN NI 318V IIVAV STACOW CC LSVEOV CC LVVEOV 4 8L 1LSVEOV 9 8L LVVEOV xGL LGXEOV GV LvXeOV SV Leveov VL LSXeov V LvXeov LL LZX OW S L 16X 0v S L LvX Ov GLLexeov S G LGX OVv 4 4 10 62 L LGXeov L LvXeov LE LEXEOV 12 06S 00 087 06S 007 087 06S 00 087 002 092 06S 00 087 002 092 06S 00 087 002 092 06S 00 087 002 092 06S 00 087 002 092 AOVLIOA zz oe 9 81 52 13 5 0 AC300 RATINGS The following tables indicate the input and output ratings of the AC300 Series drive NOTE The output current ratings are based on operation at carrier frequencies of 8 kHz and below At full ambient temperature operation at carrier frequencies above 8 kHz require derating the drive by multiplying the output current rating by the following factors 0 94 at 10 kHz 0 89 at 12 kHz and 0 83 at 14 kHz Refer to Parameter 23 CARRIER in Section 18 0 DESCRIPTION PARAME TERS 14 9 ov 24 vi Sany vay 1 IVNINON OWA 022 0
3. Fans or blowers should be used to insure proper cooling in tight quarters Do not mount drives above other drives or heat producing equipment that would impede the cooling of the drive Note the ambi ent operating temperature ratings for each drive model If itis necessary to drill or cut the drive enclosure or panel extreme care must be taken to avoid dam aging drive components or contaminating the drive with metal fragments which cause shorting of electrical circuits Cover drive components with a clean cloth to keep out metal chips and other debris 26 Use a vacuum cleaner to clean drive components after drilling even if chips do not appear to be pres ent Do not attempt to use positive air pressure to blow chips out of drive as this tends to lodge debris under electronic components Contaminating the drive with metal chips can cause drive failure and will void the warranty The AC300 Series is UL approved for solid state motor overload protection Therefore a separate thermal overload relay is not required for single motor applications In applications where one drive is operating more than one motor a separate thermal overload relay is required for each motor per NEC 7 1 INSTALLATION AFTER A LONG PERIOD OF STORAGE Warning Severe damage to the drive can result if operated after long periods of storage or inactivity without reforming the DC bus capacitors If input power has not been applied to th
4. POSSIBLE CAUSES Phase to ground short Phase to phase short FX or AC BOOST set too high Bad transistor module IPM Low line voltage High line voltage Overhauling load DECEL rate is set too fast Ambient temperature too high Fan fail ure if equipped Drive undersized for the application Problem with motor and or driven equip ment AC line dipped or sagged 102 FAULT PWR SAG LANGUAGE EXTERNAL DB ERROR CONTROL INTERNAL INTERN BLANK DISPLAY drive will not run DESCRIPTION Power Sag fault Control board voltage is below tolerance A new control board has been installed that is different from the previous version Language fault Selected lan guage not present External fault TB 13D is open or closed to TB 2 depending on setting of Parameter 50 TB13D Dynamic Brake fault DB circuit has sensed a resistor over load Control Board fault New soft ware has been installed that is different from the previous ver sion Internal fault The microproces sor has sensed a problem The power supply has shut down This can be the result of clogged or failed heatsink fans POSSIBLE CAUSES Erratic AC line Perform a factory reset using Parameter 65 PROGRAM This will update the software and allow the fault to be reset Defective language EEPROM Language EEPROM U11 removed after programming Check setting of Parameter 50 TB 13D Ch
5. To increase the speed setpoint press the A key To decrease the speed setpoint press the W key NOTE The A and V keys are only active if another speed reference source is not selected To change rotation direction press the FWD REV key to select the desired direction and then press the ENTER key within three seconds to confirm the change NOTE Parameter 27 ROTATION must be set to FWD amp REV for this key to be active 36 AUTO MANUAL To toggle between AUTOMATIC terminal strip and MAN UAL keypad speed control press the AUTO MAN key to select the desired mode and then press the ENTER key within three seconds to confirm the change NOTE Parameter 28 AUTO MAN must be set to A M LOC or A M SPD for this key to be active See Section 14 0 CONTROL WIRING for information on automatic speed reference sources FAULT RESET Use the STOP key to reset a fault If the fault condition has passed pressing the STOP key will clear the fault and return the drive to a STOP condition NOTE If an OUTPUT fault occurs there will be a 30 sec ond delay before the fault can be cleared using the STOP key 13 2 AC300 DISPLAY The following describes the possible display configurations for the AC300 Series drive 13 2 1 AC300 DISPLAY IN STOP MODE When the drive is in the STOP mode there are three possible displays The first is the SPEED dis play which looks like this 37 DRIVE SPEED STATUS SETPOINT
6. Warning A Hazard of electrical shock Disconnect incoming power and wait three minutes before servicing the drive Capacitors retain charge after power is removed 8 1 INPUT AC POWER REQUIREMENTS 8 1 1 VOLTAGE The input voltage must match the drive s nameplate voltage rating Voltage fluctuation must not vary by greater than 10 overvoltage or 15 undervoltage 28 NOTE Drives with dual rated input voltage must be programmed for the proper supply voltage see Parameter 0 LINE VOLTS in Section 18 0 DESCRIPTION OF PARAMETERS The drive is suitable for use on a circuit capable of delivering not more than 200 000 RMS symmet rical amperes at the drive s rated voltage Three phase voltage imbalance must be less than 2 0 phase to phase Excessive phase to phase imbalance can cause severe damage to the drive s power components Motor voltage should match line voltage in normal applications The drive s maximum output voltage will equal the input voltage Use extreme caution when using a motor with a voltage rating which is different from the input line voltage 8 1 2 Supply Transformer kVA RATINGS If the kVA rating of the AC supply transformer is greater than ten times the input kVA rating of the drive a drive isolation transformer or a 2 396 input line reactor also known as a choke must be added 8 2 INPUT FUSING AND DISCONNECT REQUIREMENTS A circuit breaker or a disconnect switch with fuses must
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8. STOP gt 60 00HZ DIRECTION SPEED FORWARD UNITS NOTE See Parameter 31 UNITS for the SPEED UNITS display options Pressing the ENTER key will change the display from the SPEED indication to the LOAD indica tion DRIVE PERCENT STATUS LOAD STOP gt 0 LOAD DIRECTION FORWARD 38 Pressing the ENTER key again will change the display from the LOAD indication to the VAC motor voltage indication DRIVE MOTOR STATUS VOLTAGE STOP gt OVAC DIRECTION FORWARD Pressing ENTER again will change the display back to the SPEED indication 39 The following table shows the possible DRIVE STATUS indications that can appear on the drive display DISPLAY STOP RUN FAULT DRIVE STATUS TABLE DESCRIPTION Drive is in STOP mode No output to the motor Drive is in RUN mode and is within 3 Hz of the speed setpoint Drive has shut down due to a FAULT condition If the fault condi ion has passed pressing the STOP key will clear the fault and return the drive to the STOP mode Drive is in FAULT LOCKOUT after five unsuccessful restart attempts DC BRAKE is energized Drive is in CURRENT LIMIT due to an overloaded motor or ACCEL is set too fast Drive is in DECEL FREEZE because DECEL is set too fast 13 2 2 AC300 DISPLAY IN RUN MODE When the drive is in the RUN mode the default display will look like this DRIVE S
9. Variable Speed AC Motor Drives AC300 Series Installation and Operation Manual USER S MANUAL Table of Contents 1 0 GENERAL 1 PRODUCTS COVERED IN THIS MANUAL 1 PRODUCT CHANGES 2 1 WARRANTY gt Pad TURO cones 1 RECEIVING sau sica vee oda weve heh 2 CUSTOMER MODIFICATION 2 2 0 AC300 SPECIFICATIONS 3 3 0 AC300 MODEL DESIGNATION 5 4 0 AC300 DIMENSIONS 6 5 0 AC300 5 13 6 0 THEORY LEUTE 19 DESCRIPTION OF AC MOTOR OPERATION 19 DRIVE FUNCTION 23 7 0 INSTALLATION esl 25 8 0 INPUT AC REQUIREMENTS 27 9 0 VOLTAGE SELECTION 0 29 10 0 POWER 30 11 0 AC300 POWER WIRING 31 12 0 INITIAL POWER 32 13 0 KEYPAD CONTROL sss 35 KEYPAD FUNCTIONS E UN 2 35 AC300 DISPLAY 36 14 0 CONTROL 44 GENERAL v aiia ide ads
10. These terminals must be programmed as preset speed selects using Parameters 47 49 TB13A TB13B and TB13C The preset speeds can only be set to values that are within the operating range defined by the min imum and maximum frequency see Parameters 10 MIN FREQ and 11 MAX FREQ The following table shows how each preset speed is selected using the TB 13 terminals The terms OPEN and CLOSED refer to the state of the TB 13 terminal relative to TB 2 PRESET SPEED ACTIVATION SPEED TB 13A TB 13B TB 13C CLOSED OPEN OPEN OPEN CLOSED OPEN OPEN OPEN CLOSED CLOSED CLOSED OPEN CLOSED OPEN CLOSED OPEN CLOSED CLOSED NOTE SPEED 74 is selected if any two of the three TB 13 terminals are closed to TB 2 66 5 6 SKIP 1 amp 2 SKIP SPEED 1 amp 2 7 BAND WID SKIP BANDWIDTH These parameters are used to prevent the drive from operating continuously at critical frequencies that cause excessive mechanical vibration of the driven equipment The SKIP SPEEDS Parameters 5 and 6 and the SKIP BANDWIDTH Parameter 7 are used to define up to two speed avoidance ranges The SKIP SPEED settings define the starting point of the speed range that is to be avoided and the SKIP BANDWIDTH setting defines how far the speed range extends beyond SKIP SPEED Setting the SKIP SPEEDS to 00 Hz disables this function Example The critical frequency is 21 Hz and a bandwidth of 2 Hz is desired Therefore set SKIP 1 to 20 Hz and set SKI
11. serial activity read or write for more than 10 seconds serial control will turn off and the drive will stop W O TIMR Enables serial communications without a watchdog timer However after 10 seconds of no serial activity serial control can be turned off by issuing a STOP command from any source keypad terminal strip other than the serial link NOTE 1 The keypad STOP button is always active regardless of what method LOCAL REMOTE or SERIAL is being used to control the drive The remote STOP input TB 1 may also be active depending on how the drive is programmed NOTE 2 If a RESET command Parameter 65 PROGRAM is issued through the serial link this parameter will not default back to DISABLE However explicitly setting this parameter to DISABLE through the serial link will cut off communication with the drive If developing an application for serial communications refer to the RS 232 RS 485 Modbus amp Communications Protocol Specification 58 ADDRESS SERIAL ADDRESS This parameter is used with the serial communications feature and is intended for use in a multiple drive network RS 485 The serial link will support drives with addresses from 1 up to 247 97 61 PASSWORD PASSWORD NUMBER This feature limits access to the programmable parameters for added security The correct pass word must be entered in order to change the parameters Pressing the PROG RUN button on the keypad will activate the PASSWORD pr
12. torque and horsepower The following diagram illustrates these relationships 22 10096 7596 5096 2596 096 096 2596 5096 7596 10096 96 SPEED Variable torque refers to the fact that the torque required varies with the square of the speed Also the horsepower required varies with the cube of the speed resulting in a large reduction in horsepow er for even a small reduction in speed It is easily seen that substantial energy savings can be achieved by reducing the speed of a fan or pump For example reducing the speed to 50 results in a 50 HP motor having to produce only 12 5 of rated horsepower or 6 25 HP Variable torque drives usually have a low overload capacity 110 120 for 60 seconds because variable torque applications rarely experience overload conditions To optimize efficiency and energy savings vari able torque drives are usually programmed to follow a variable V Hz ratio The term constant torque is not entirely accurate in terms of the actual torque required for an appli cation Many constant torque applications have reciprocating loads such as vibrating conveyors and punch presses where the rotational motion of the motor is being converted to a linear motion In such cases the torque required can vary greatly at different points in the cycle For constant torque loads this fluctuation in torque is not a direct function of speed as it is with a variable torque load As a result constant torque dr
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15. 3 If the drive is equipped with the High Output Frequency option and MAX FRQ is set above 120 Hz CARRIER will change to 14 kHz and the CARRIER parameter will disappear from the parameter menu Operation at 14 kHz carrier frequency requires derating as shown in Note 2 above 25 START START MODE Warning Automatic start of equipment may result in damage to equipment and or injury to personnel Automatic start should only be used on equipment that is inaccessible to personnel This parameter selects the starting method for the drive and can be set for one of the following NORMAL The drive will start when the appropriate contact closure is made on the terminal strip REMOTE mode or by pressing the keypad START key LOCAL mode To start the drive in NORMAL mode a start command must be issued at least two seconds AFTER input power is applied POWER UP The drive will automatically start upon application of input power The drive MUST be wired for a two wire start stop circuit refer to Section 14 0 CONTROL WIRING The start command MUST be present when power is applied for this function to operate 80 AUTO RE The drive will automatically restart after a protective fault or upon application of input power As with the POWER UP option a start command must be present for this func tion to operate RE BRAKE After a fault the drive will apply DC braking equal to the DC BRAKE setting for 15 sec onds and then restar
16. 5 INPUT TB5 MIN selects the output frequency of the drive that will correspond to the minimum analog speed reference input 0 VDC or 4 mA This parameter is used in conjunction with Parameter 40 TB5 MAX to define a speed range for the drive that corresponds to the analog speed reference input 0 10 VDC or 4 20 mA 40 5 TERMINAL TB 5 INPUT TB5 MAX selects the output frequency of the drive that will correspond to the maximum analog speed reference input 10 VDC or 20 mA This parameter is used in conjunction with Parameter 39 TB5 MIN to define a speed range for the drive that corresponds to the analog speed reference input 0 10 VDC or 4 20 mA Example 1 The drive is required to operate from 0 to 60 Hz in response to a 0 5 VDC speed refer ence signal rather than the normal 0 10 VDC Because TB5 MAX is based on a 0 10 VDC or 4 20 mA signal the drive will operate at half of the TB5 MAX value if it is given a 5 VDC signal Therefore setting TB5 MAX to 120 Hz will cause the drive to run at 60 Hz when it is given a 5 VDC speed reference signal NOTE The drive can be programmed for inverse operation so that as the speed reference increas es the drive speed will decrease and as the speed reference decreases the drive speed will increase This is accomplished by setting TB5 MIN to the desired maximum output frequency and TB5 MAX to the desired minimum output frequency Example 2 The drive is being control
17. 50 60 OUTPUT FREQUENCY Hz AC BOOST only functions during acceleration In the diagram above the drive is operating at 35 Hz and is then commanded to 50 Hz The output voltage is increased by the AC BOOST setting approximately 15 in the example above during acceleration to the new speed setpoint Once the new setpoint is reached the output voltage returns to normal 21 SLIP CMP SLIP COMPENSATION SLIP COMPENSATION is used to compensate for changes in motor speed slip which occur due to changes in load In a standard AC induction motor as the load on the motor increases the motor current increases and the motor shaft speed decreases By increasing the output frequency in response to the increased motor current SLIP COMPENSATION is able to counteract the reduc tion in motor speed due to increased load This parameter is useful in applications where precise speed regulation is needed even under changing load conditions The use of SLIP COMPENSA TION can result in speed regulation of less than 196 of base speed in most applications SLIP COMPENSATION is often set to 3 which is the standard slip rating of most AC induction motors 78 22 TORQUE TORQUE CURVE SELECTION This parameter is used to select whether the output of the drive follows a constant or variable V Hz curve The following selections are available CONSTANT Use for constant torque applications to optimize torque VARIABLE Use for variable torque
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19. Ohm can be used with the 0 10 VDDC input There are also two ana log outputs one is proportional to speed frequency and the other is proportional to load The drive has three programmable outputs for status indication one Form C relay and two open collector out puts Refer to Sections 14 0 Control Wiring and 15 0 Control Wiring Diagrams for more informa tion 25 7 0 INSTALLATION Warning Drives must not be installed where subjected to adverse environmental conditions Drives must not be installed where subjected to combustible oily or hazardous vapors or dust excessive moisture or dirt strong vibration excessive ambient tem peratures Consult Minarik for more information on the suitability of a drive to a par ticular environment The drive should be mounted on a smooth vertical surface capable of safely supporting the unit with out vibrating The LCD display has an optimum field of view this should be considered when deter mining the mounting position Chassis models must be installed in an electrical enclosure which will provide complete mechanical protection and maintain uniform internal temperature within the drive s ambient operating tempera ture rating All drive models MUST be mounted in a vertical position for proper heatsink cooling Maintain a minimum spacing around the drive as follows SPACING REQUIREMENTS HP INCHES MM 0 25 5 2 50 7 5 25 4 100 30 60 6 150
20. SPEED The relay energizes when the drive reaches the speed setpoint To avoid a chattering relay energizing and de energizing due to small fluctuations in speed the relay will remain energized as long as the actual speed is within 3 Hz of the speed setpoint 95 ABOVE ABOVE SPEED 3 The relay energizes when the output frequency exceeds the SPEED 3 value and de energizes when the output frquency returns to a value lower than the SPEED 3 value See Parameter 3 SPEED 3 in Section 18 0 DESCRIP TION OF PARAMETERS LIMIT CURRENT LIMIT The relay energizes when the drive is operating in current limit Once the current limit relay is energized it remains energized for a minimum of 500ms regardless of whether the drive is still in current limit At the end of the 500ms interval the relay will de energize if the drive is no longer in current limit See Parameter 16 CURRENT in Section 18 0 DESCRIPTION OF PARAMETERS AUT MAN AUTO MANUAL MODE The relay energizes when the drive is in the AUTOMATIC mode and de energizes in the MANUAL mode Refer to Section 14 2 5 SPEED REFERENCE SECTION FLWR PR FOLLOWER PRESENT The relay energizes when the analog input reference signal at TB 5B is greater than 2 mA and de energizes if the signal falls below 2 mA REVERSE relay energizes when Reverse direction is selected and de energizes when Forward direction is selected The open collector output circuit is a
21. TB 13C can all be programmed to select 0 10 VDC or 4 20 mA input 51 PRESET SPEEDS TB 13A can be programmed to select SPEED 1 TB 13B to select SPEED 2 and TB 13C to select SPEED 3 Closing any two of these to TB 2 will select SPEED 4 Refer to Parameters 1 4 SPEED 1 4 in Section 18 0 DESCRIPTION OF PARAMETERS JOG The JOG function only works when the drive is in REMOTE mode and only when the drive is ina STOP condition TB 13B can be programmed to select either JOG FORWARD or JOG REVERSE The jog speed is set by PRESET SPEED 2 Close TB 13B to TB 2 to JOG and open the contact to STOP Warning A When operating in JOG mode the STOP key WILL NOT stop the drive To stop the drive the contact between TB 13B and TB 2 must be opened MOP MOTOR OPERATED POT TB 13A and TB 13B are used for this function which sets the speed of the drive using contacts wired to the terminal strip Program TB 13A to select DEC FREQ and program TB 13B to select INC FREQ Closing TB 13A to TB 2 will activate the DEC FREQ function and will cause the speed setpoint to decrease until the contact is opened DEC FREQ will operate when the drive is in RUN mode or STOP mode Closing TB 13B to TB 2 will activate the INC FREQ function and will cause the speed setpoint to increase until the contact is opened INC FREQ will only operate when the drive is in RUN mode Note If TB 13A TB 13B and TB 13C are all programmed to select speed refer
22. XXX X XX XX X XXX XXXX 95 139 LOW MED HIGH 00 360 0 Hz 0 0 300 0 SEC 00 360 0 Hz NOTE 2 00 360 0 Hz NOTE 2 0 01 10 0 SEC NONE 0 10V 2 10V 3 00 360 0 HZ NOTE 2 NONE 0 10V 2 10V 10 200 Note 2 Max limit is 650 Hz on units with high frequency software FACTORY DEFAULT 0 CONSTANT 2 5 kHz NORMAL COAST FORWARD BOTH KEYPAD LOCAL HERTZ 1 00 XXXXX 100 MED 00 Hz 30 0 SEC 00 Hz 60 00 Hz 0 02 SEC NONE 60 00 Hz NONE 125 63 PARAMETER RANGE OF FACTORY NAME ADJUSTMENT DEFAULT TB13A NONE 0 10VDC 4 20MA NONE SPEED 1 LOC SEL DEC FREQ NONE 0 10VDC 4 20MA SPEED 2 INC FREQ JOG FWD JOG REV NONE 0 10VDC 4 20MA SPEED 3 LOC SEL RUN REV STRT REV TB13D EXT FAULT EXT FAULT EXT FAULT EXT CLEAR TB14 OUT NONE RUN FAULT NONE FAULT LOCK SPEED ABOVE S LIMIT AUT MAN FLWR PR REVERSE TB15 OUT Same as Parameter 52 RELAY Same as Parameter 52 SERIAL DISABLE W TIMER DISABLE W O TIMR ADDRESS 1 247 30 PASSWORD 0000 9999 0019 SOFTWARE VIEW ONLY N A MONITOR OFF ON ON PROGRAM MAINTAIN RESET 60 RESET 60 RESET 50 NOTE 4 HISTORY MAINTAIN CLEAR MAINTAIN LANGUAGE NOTE 1 ENGLISH FAULT HISTORY VIEW ONLY N A Note 1 Refer to Section 18 0 Description of Parameters Note 2 RST HIGH will appear on units set up for high frequency 64 18 0 DESCRIPTION OF PARAMETERS 0 LINE VOLTS LINE VOLTAGE This paramete
23. output continuously If the frequency applied to the motor is increased while the voltage remains constant torque capabil ity will decrease as speed increases This will cause the horsepower capability of the motor to remain approximately constant Motors run in this mode when operated above base speed where drive out put voltage is limited by the input line voltage This operating range is known as the constant horse power range The typical maximum range for constant horsepower is about 2 3 to 1 60 to 140 Hz The following diagram depicts the characteristics of a typical AC induction motor with a 60 Hz base speed 21 Warning Consult motor manufacturer before operating motor and or drive equipment above base speed 150 CONSTANT TORQUE CONSTANT HP 130 9 TORQUE HORSEPOWER 90 70 50 30 10 TORQUE 20 40 60 80 100 120 FREQUENCY Hz 6 1 1 VARIABLE TORQUE VS CONSTANT TORQUE Variable frequency drives and the loads they are applied to can generally be divided into two groups constant torque and variable torque Constant torque loads include vibrating conveyors punch presses rock crushers machine tools and just about every other application that is not considered variable torque Variable torque loads include centrifugal pumps and fans which make up the major ity of HVAC applications Variable torque loads are governed by the affinity laws which define the relationships between speed flow
24. set to FWD amp REV and TB 13C must be set to START REVERSE refer to Parameters 27 ROTATION and 49 TB13C 3 Program TB 13A 13B or 13C to select the desired speed reference signal that will control the drive speed refer to Parameters 47 48 and 49 When that TB 13 terminal is closed to TB 2 the drive will respond to the selected speed reference signal In the diagram above TB 13A is programmed to select either a 0 10 VDC or 4 20 mA signal 4 If the contact closure is not made between TB 13A and TB 2 to select a speed reference the drive will default to MANUAL speed control which is determined by Parameter 29 MANUAL 55 15 3 THREE WIRE START STOP CONTROL Shown below is the wiring diagram for a typical three wire start stop control scheme using momen tary contacts such as pushbuttons for START and STOP commands Also shown is the wiring for a 0 10 VDC or 4 20 mA speed reference signal 18 16 17 A 13A 13B 13C 130 14 15 2 TXB erally tied together NOTES 1 2 Momentarily close TB 12A to TB 2 to START and momentarily open TB 1 to TB 2 to STOP If REVERSE direction is required ROTATION must be set to FWD amp REV and TB 13C must be set to START REVERSE refer to Parameters 27 ROTATION and 49 TB13C Program TB 13A 13B or 13C to select the appropriate speed reference signal that will control the drive speed refer to parameters 47 48 and 49 When tha
25. 0Hp 15 2Hp 15 20Hp 22 185 25Hp Standard Options H Additional Form C Relay circuit board J Dynamic Breaking circuit board K Additional Relay amp Dynamic Braking board not available on all Hp sizes consult factory character when this type of option is not specified Interface Options P Remote Keypad Assembly No character when this type of option is not specified bununoyy WTO sea EUN 870 1 1 901 Mdl elas 60 A i 801 880 000 1 ds 4 984 N z F 5 1 2 5 9 5 i 2 lt 5 4 E 5 I m 4 0 44 GASOTONA ANY SISSVHO SNOISNAWIG GL LSCEOV 06S S 8450 2 007 GL L cEOV 002 092 50060 ove 002 ObZ 5 0 ove 5 01 9 70 16062 06S SZ O Lvceov 00 087 SZ 0 1cc ov 002 092 SZL 0 SCceov ove GL0 SLZEOV 01 OVE 0 12260 002 0 2 0 52060 ove vO SLZEOV 02 0 2 c0 90 ZO SIZEOV 0 obz 810 620 T3a0W 39VLIOA q3S012N3 3dAL SISSVHO SNOISN3WIG 16060 06S V Lveeov 007 087 1 060 002 092 GL LSCEOV 06S 84 1 1 6 007
26. 37 below the drive will go to sleep and the motor will go to zero speed The drive will remain sleeping until it is commanded to operate at a speed that is 2 Hz above the SLEEP THRESHOLD at which point it will wake up and ramp the motor up to the com manded speed NOTE 1 While the drive is in Sleep Mode the Status portion of the display will read SLEEP NOTE 2 If the drive s commanded speed goes below the SLEEP THRESHOLD the SLEEP DELAY timer will start to count down If the commanded speed equals or exceeds the SLEEP THRESHOLD before the SLEEP DELAY times out the SLEEP DELAY timer will be reset NOTE 3 If the drive is in a Stop state and the commanded speed is below the SLEEP THRESH OLD the drive will immediately go to sleep upon a Start command bypassing the SLEEP DELAY 37 SLEEPDL SLEEP DELAY This parameter sets the amount of time the drive must operate below the SLEEP THRESHOLD see Parameter 36 above before the drive goes to sleep and brings the motor to zero speed Example SLEEP THRESHOLD is set to 15 Hz and SLEEP DELAY is set to 60 seconds If the drive operates below 15 Hz for 60 seconds the drive will go to sleep and the motor will stop The drive s display will indicate SLEEP and the drive will remain sleeping until the drive is command ed to a speed equal to or greater than 17 Hz At this point the drive will wake up and ramp the motor up to the commanded speed 87 39 5 MIN TERMINAL TB
27. CEL MIN FRQ MAX FRQ DC BRAKE DC TIME DYN BRAKE CURRENT MOTOR OL BASE FX BOOST AC BOOST PARAMETER MENU RANGE OF ADJUSTMENT HIGH LOW AUTO MIN FRQ MAX FRQ MIN FRQ MAX FRQ MIN FRQ MAX FRQ MIN FRQ MAX FRQ 00 Hz MAX FRQ 00 Hz MAX FRQ 00 10 00 Hz NOTE 1 NOTE 1 00 MAX FRQ MIN FRQ 120 0 Hz NOTE 2 NOTE 1 0 999 9 SEC OFF ON 25 180 NOTE 3 25 100 20 00 360 0 Hz NOTE 2 0 30 0 0 20 0 Note 1 Refer to Section 18 0 Description of Parameters Note 2 Max limit is 650 Hz on units with high frequency software Note 3 If line volts is set to low or set to auto and the input voltage is low the range is 25 150 FACTORY DEFAULT AUTO 20 00 Hz 20 00 Hz 20 00 Hz 20 00 Hz 00 Hz 00 Hz 1 00 Hz 30 0 SEC 30 0 SEC 550 Hz 60 00 Hz 0 VDC 0 SEC OFF 18096 10096 60 00 Hz NOTE 1 0 00 61 62 PARAMETER NAME SLIP CMP TORQUE CARRIER START STOP ROTATION AUTO MAN MANUAL CONTROL UNITS HZ MULT SPEED DP LOAD MLT CONTRAST SLEEP TH SLEEP DL TB5 MIN TB5 MAX AIN FLTR TB10A OUT TB10A TB10B OUT TB10B RANGE OF ADJUSTMENT 0 5 0 CONSTANT VARIABLE NOCMP 2 5 6 8 10 12 14 2 NORMAL POWER UP AUTO RE RE BRAKE RAMP COAST FORWARD REVERSE FWD amp REV FWD LOC AUTO MANUAL BOTH KEYPAD 0 10 VDC LOCAL REMOTE BOTH HERTZ RPM HZ ISEC MIN HR GPH NONE 10 650 0 XXXXX
28. D 14 TB 15 TB 16 and TB 18 are dependent on the programming of certain parameters In most cases the name of the parameter matches the number of the terminal allowing quick and easy pro gramming of the terminals to suit the application The exception is TB 16 and TB 18 which are governed by Parameter 54 RELAY A complete description of operating the drive in the REMOTE mode can be found in Section 14 2 The following diagrams provide a quick reference to wire the drive for the most com mon configurations 54 15 2 TWO WIRE START STOP CONTROL Shown below is the wiring diagram for a typical two wire start stop control scheme using one main tained contact such as that from a PLC for RUN and STOP commands Close the contact to RUN and open the contact to STOP Also shown is the wiring for a 0 10 VDC or 4 20 mA speed reference signal FORMC RELAY The TB 2 terminals are internally tied together 1 2 5 58 6 jioa 2 12 13a 138 330 14 15 2 Txe 16 v7 18 0 10 VDC 4 20 D SELECT See Note 3 s 3 554 3 2 882 83 5 zzz z b 24 5 o E TE 1 1 FWD REV See Note 2 MAINTAINED RUN STOP CONTACT NOTES 1 Close TB 1 to TB 2 to RUN and open to STOP 2 If REVERSE direction is required ROTATION must be
29. DIRECTION Warning If TB 13C is programmed for RUN REVERSE TB 1 is disabled and CANNOT be used as a STOP switch This is true in LOCAL and REMOTE mode Incorrect use of TB 1 may result in damage to equipment and or injury to personnel Refer to Parameter 49 TB13C for more information This parameter is used to limit the motor rotation direction to forward or reverse or to allow rotation in both directions The parameter can be set to one of the following FORWARD Rotation is allowed in the forward direction only This selection disables the FWD REV button on the keypad and TB 13C REVERSE REVERSE Rotation is allowed in the reverse direction only This selection disables the FWD REV button on the keypad and TB 12A FORWARD TB 13C must be programmed for either RUN REV or STRT REV for this function to operate in the REMOTE mode FWD amp REV Rotation is allowed in both directions The FWD REV button is enabled Rotation can be changed from the keypad LOCAL mode or the termi nal strip REMOTE mode In the REMOTE mode TB 13C must be pro grammed for either RUN REV or STRT REV for this function to operate FWD LOC In LOCAL mode rotation is allowed in the forward direction only In REMOTE mode rotation is allowed in both directions Note If the rotation is changed while the drive is running the drive will decelerate to 0 Hz and then accelerate back up to the speed setpoint in the opposite direction 82 28 AU
30. ER key is pressed while the password value reads 0000 or any other incorrect value it will be treated as in incorrect password and the display will flash ERROR INCORRECT and then return to the PASS WORD prompt to allow another attempt at entering the correct password 65 PROGRAM PROGRAM FACTORY DEFAULTS Warning STOP TB 1 and EXTERNAL FAULT TB 13D circuitry may be disabled if parameters are reset to factory defaults The drive must be reprogrammed after a RESET in order to insure proper operation FAILURE TO DO SO MAY RESULT IN DAMAGE TO EQUIPMENT AND OR INJURY TO PERSONNEL This parameter is used to reset the programmable parameters back to the factory default settings This parameter has four possible settings MAINTAIN RESET 60 RESET 50 RST HIGH Maintain parameter settings as they are Resets parameters to factory defaults for 60 Hz base frequency Resets parameters to factory defaults for 50 Hz base frequency Resets parameters to factory defaults for 650 Hz base frequency This option will only appear if the drive is equipped with the High Frequency Output option 99 When a factory reset is performed the following terminals are affected TB 1 will be disabled as a STOP input because Parameter 30 CONTROL will default to LOCAL TB 13A 13B and 13C will be disabled because Parameters 47 48 and 49 will default to NONE If TB 13C was set to RUN REVERSE TB 12A will default to a momentary START contac
31. L HERTZ 1 00 XXXXX 100 MED 00 Hz 30 0 SEC 00 Hz 60 00 Hz 0 02 SEC PARAM NUMBER PARAM NAME 42 43 44 45 47 48 49 50 52 53 54 57 58 61 63 64 65 66 69 70 TB10A OUT TB10A TB10B OUT TB10B TB13A TB13B TB13C TB13D TB14 OUT TB15 OUT RELAY SERIAL ADDRESS PASWORD SOFTWARE MONITOR PROGRAM HISTORY LANGUAGE FAULT HISTORY 105 FACTORY DEFAULT USER SETTINGS NONE 60 00 Hz NONE 12596 NONE NONE NONE EXT FAULT NONE NONE NONE DISABLE 30 0019 N A ON RESET 60 MAINTAIN ENGLISH N A MINARIK DRIVES www minarikdrives com 14300 De La Tour Drive South Beloit IL 61080 Phone 800 MINARIK 646 2745 Fax 815 624 6960 Document Number 250 0295 Revision 1 Printed in the U S A January 2005 250 0295 1
32. OG RUN again will exit the PROGRAM mode If the PROGRAM mode is entered again within two minutes the last parameter that was viewed or changed will come up on the display After two minutes has elapsed the password will have to be entered agian when attempting to access the PROGRAM mode 60 16 2 PARAMETER ACCESS USING SPEED DIAL SPEED DIAL is used to access parameters quickly using the parameter number Once accessed the parameter can be programmed as described in Section 16 1 SPEED DIAL is accessed by pressing the AUTO MAN key while in the PROGRAM mode This will activate the SPEED DIAL display as shown below SPEED DIAL Once in SPEED DIAL the UP and DOWN arrow keys will allow the operator to scroll through the parameter numbers The display will continue to show SPEED DIAL while scrolling through the parameter numbers as shown below 11 SPEED DIAL When the desired parameter is reached the SPEED DIAL display will be replaced by the parame ter name 11 MAX FRQ Once the desired parameter is displayed on the screen press the ENTER key to display the parameter name and present setting The parameter setting can now be changed by the method described in Section 16 1 Press the AUTO MAN key to return to SPEED DIAL 17 0 PARAMETER MENU PARAMETER NAME LINE VOLTS SPEED 1 SPEED 2 SPEED 3 SPEED 4 SKIP 1 SKIP 2 BAND WID ACCEL DE
33. ORY indicates the number of the fault number 1 is the most recent fault the fault message and the status of the drive at the time of the fault An example is shown below FAULT FAULT DRIVE NUMBER MESSAGE STATUS 3 OVERLOAD RUN In the example above the third fault log is being viewed which is an OVERLOAD fault that occurred while the drive was in a RUN state 19 0 TROUBLESHOOTING 101 The table below lists the fault conditions that will cause the drive to shut down as well as some possible causes Please contact the factory for more information on troubleshooting faults NOTE The drive will not automatically restart after a PWR SAG or a CONTROL fault Also if an OUTPUT fault occurs below 1 5 Hz the drive will only attempt one restart after a four minute delay If unsuccessful it will then trip into FAULT LOCKOUT which will require a manual reset This is done to protect the drive in case of a shorted motor FAULT OUTPUT LO VOLTS HI VOLTS HI TEMP OVERLOAD PWR TRAN DESCRIPTION Output transistor fault Output current exceeded 20096 of drive rating Low DC Bus Voltage fault DC bus voltage below 6096 of nor mal High DC Bus Voltage fault DC bus voltage above 120 of normal Temperature fault Internal drive temperature too high Current Overload fault Output current rating exceeded for too long Power Transient fault Low line voltage
34. OVERLOAD in one minute regardless of the actual motor current If this parameter is used to scale the display to show actual motor load then Parameter 17 MOTOR OL should be left at 100 Likewise if MOTOR OL has been set according to the motor full load rat ing this parameter should be left at 100 Changing both parameters will result in an OVERLOAD fault sooner than expected The output signal at TB 10B is also affected by this parameter When set to the ratio of current rat ings as explained above the output signal will be proportional to motor load instead of drive load 35 CONTRAST LCD DISPLAY CONTRAST This parameter is used to adjust the contrast of the drive display and can be set to LOW MED or HIGH in order to obtain the most visible display If the drive is mounted lower than eye level a HIGH setting may make the display more visible Likewise if the drive is mounted higher than eye level a LOW setting may make the display more visible 86 36 SLEEP TH SLEEP THRESHOLD The AC300 Series drive has a Sleep Mode function that allows the drive to cease operation when system demand falls below a preset level This is to prevent the motor from operating at low speeds for long periods of time It is commonly used along with the PID Setpoint Control feature but can also be used in standard speed control mode When the commanded speed falls below the SPEED THRESHOLD setting for the defined SLEEP DELAY time see Parameter
35. P BANDWIDTH to 2 Hz This results in a speed range from 20 Hz to 22 Hz that the drive will not operate within continuously If the drive were operating at 25 Hz and then commanded to operate at a speed within the range of avoidance the drive would decelerate to 22 Hz and remain at that frequency until commanded to 20 Hz or below The drive would then decel erate through the range of avoidance to the new frequency Likewise if the drive were operating at 18 Hz and then commanded to operate at a speed within the range of avoidance the drive would accelerate to 20 Hz and remain at that frequency until commanded to a speed of 22 Hz or above The drive would then accelerate through the range of avoidance to the new frequency 67 8 ACCEL ACCELERATION TIME ACCEL sets the acceleration rate for all speed reference sources keypad speed pot 4 20 mA 0 10 VDC jog and the preset speeds The ACCEL setting is the time to accelerate from 0 Hz to the BASE FREQUENCY Parameter 18 The range of adjustment for ACCEL depends on horsepower Refer to the table below ACCELERATION LIMITS HORSEPOWER RANGE OF ADJUSTMENT 0 25 20 0 1 3600 SEC 25 60 0 3 3600 SEC Example If ACCEL is set to 30 seconds and the BASE FREQUENCY is set to 60 Hz the drive will ramp from 0 Hz to 60 Hz in 30 seconds This is a linear function therefore the drive would ramp up to 30 Hz in 15 seconds etc NOTE The ability to accelerate a given load at a particu
36. PEED STATUS SETPOINT RUN gt 60 00HZ DIRECTION SPEED FORWARD UNITS 40 As in the STOP mode the ENTER key can be used to toggle the display from SPEED to LOAD to VAC motor voltage DRIVE PERCENT STATUS LOAD RUN gt 85 LOAD DIRECTION FORWARD DRIVE MOTOR STATUS VOLTAGE RUN gt 460 VAC DIRECTION FORWARD NOTE During acceleration and deceleration to the SPEED SETPOINT the DRIVE STATUS will show the actual drive speed When the SPEED SETPOINT is reached the DRIVE STATUS will change to RUN or STOP if the drive is decelerating to a STOP 41 13 2 3 AC300 DISPLAY IN FAULT MODE When the drive trips on a fault the display will automatically change to the FAULT display which indicates the FAULT MESSAGE DRIVE FAULT STATUS MESSAGE FAULT OVERLOAD In FAULT mode the ENTER key will toggle the display between four screens FAULT SPEED LOAD and VAC The DRIVE STATUS for these displays will be FAULT An example is shown below of the drive in the FAULT mode displaying SPEED DRIVE SPEED STATUS SETPOINT FAULT gt 60 00 HZ DIRECTION SPEED FORWARD UNITS 42 NOTE To clear a FAULT press the STOP key issue a remote STOP command at TB 1 or use TB 13D refer to Parameter 50 TB13D 13 2 4 AC300 DISPLAY IN AUXILIARY MODE If the ENTER key is held down the displ
37. SET Close TB 13D to TB 2 to clear a fault NOTE When set to EXT CLEAR TB 13D becomes the only terminal that can be used to clear a fault TB 1 will not work However the keypad STOP key can still be used to clear faults 94 52 TB14 OUT TB 14 OPEN COLLECTOR OUTPUT This parameter sets the open collector output indication for terminal TB 14 The following condi tions can be selected NONE RUN FAULT FAULT LOCK SPEED This setting disables the output The relay energizes when the drive is given a START command and remains ener gized until a STOP command is given and the output frequency has decelerated to 0 5 Hz the drive has tripped or the input voltage is removed Note that this relay indicates only that the drive is in the RUN mode It does not necessarily indicate that the motor is turning The relay energizes when input voltage is applied to the drive and remains energized until the drive trips into a fault condition or input voltage is removed INVERSE FAULT The relay energizes when the drive trips into a fault condition and remains energized until the fault condition is cleared FAULT LOCKOUT This relay is used when the drive is programmed to automatically restart after a fault The relay energizes when input voltage is applied to the drive and remains energized until the drive has faulted and unsuccessfully attempted five restarts or input voltage is removed AT
38. TO MAN AUTO MANUAL SPEED CONTROL This parameter is used to select the method of speed control when the drive is in the LOCAL mode The choices are explained below MANUAL The drive will accept a speed reference from the keypad UP and DOWN ARROW keys or a speed potentiometer wired to TB 2 5A and 6 Parameter 29 MANUAL below selects either keypad or speed potentiometer The AUTO MAN button on the keypad is disabled AUTO The drive will accept a 0 10 VDC input signal on TB 5A and TB 2 a 4 20 mA input signal on TB 5B and TB 2 or one of the four PRESET SPEEDS The programming of TB 13A TB 13B and TB 13C deter mines which AUTO reference is selected The AUTO MAN button on the keypad is disabled BOTH The AUTO MAN key on the keypad is enabled and can be used to tog gle between MANUAL and AUTO control ONLY if the drive is in LOCAL mode NOTE If the drive is in the AUTO mode and a speed reference is not selected using TB 13A TB 13B or TB 13C the speed reference source will default to the setting of Parameter 29 MANUAL KEYPAD or 0 10 VDC 29 MANUAL MANUAL This parameter selects the speed reference source when the drive is set for MANUAL speed con trol see Parameter 28 AUTO MAN above The speed reference options are KEYPAD UP and DOWN ARROW keys or 0 10 VDC from a speed pot wired to TB 2 5A and 6 or some other 0 10 VDC source 30 CONTROL START STOP CONTROL 83 Warning If CONTROL is se
39. TO speed reference LOCAL SELECT Selects LOCAL mode when Parameter 30 CON TROL is set to BOTH Drive is in REMOTE mode if contact closure is not made RUN REVERSE Run in reverse direction Requires a maintained con tact cl osure close to RUN in reverse direction open to STOP This will cause TB 12A to function as RUN FORWARD also requiring a main tained contact to RUN in forward 93 STRT REV START REVERSE Start in reverse direction Requires a momentary contact closure to RUN in reverse direction A momentary STOP contact must be wired between TB 1 and TB 2 Setting this parameter to START REVERSE causes TB 12A to function as START FORWARD also requir ing a momentary contact closure to RUN in forward 50 TB13D TB 13D FUNCTION Warning STOP TB 1 and EXTERNAL FAULT TB 13D circuitry may be disabled if parameters are reset to factory defaults The drive must be reprogrammed after a RESET in order to insure proper operation see Parameter 65 PROGRAM FAILURE TO DO SO MAY RESULT IN DAMAGE TO EQUIPMENT AND OR INJURY TO PERSONNEL This parameter selects the function for TB 13D EXT FAULT Sets TB 13D as a normally open EXTERNAL FAULT contact Close TB 13D to TB 2 to trip the drive into an EXTERNAL FAULT EXT FAULT Sets TB 13D as a normally closed EXTERNAL FAULT contact Open TB 13D to TB 2 to trip the drive into an EXTERNAL FAULT EXT CLEAR Sets TB 13D as a normally open FAULT RE
40. applications to optimize energy savings CT NOCMP Use for constant torque applications that require full overload capacity at low speeds see Parameter 17 MOTOR OL 23 CARRIER CARRIER FREQUENCY This parameter sets the carrier frequency or switching frequency of the output IGBT s Higher switching rates result in less audible noise to be emitted from the motor but the efficiency of the drive decreases as the carrier frequency increases Therefore this parameter should be set to the lowest value which yields acceptable sound levels Available settings are 2 5 kHz 6 kHz 8 kHz 10 kHz 12 kHz and 14 kHz NOTE 1 The 2 5 kHz carrier frequency setting is a variable carrier The carrier frequency remains fixed at 1 5 kHz up to 25 Hz output frequency Above 25 Hz the carrier is a fixed multiple of 60 times the drive s output frequency For example if the output frequency of the drive was set to 45 Hz the carrier frequency would be 2 7 kHz 45 Hz x 60 2700 Hz The other settings are constant carriers that remain fixed for the entire speed range 79 NOTE 2 The ability to operate a drive in the quiet high carrier frequency mode is dependent on the drive horsepower rating driven load drive enclosure and the ambient temperature At full ambient temperature operation above 8 kHz requires derating the drive by multiplying the output current rating by the following factors 0 94 at 10 kHz 0 89 at 12 kHz and 0 83 at 14 kHz NOTE
41. arate conduit away from all other input and output power wiring If control wiring is not kept separate from power wiring electrical noise may be gen erated on the control wiring that will cause erratic drive behavior Use twisted wires or shielded cable grounded at the drive chassis ONLY Recommended control wire is Belden 8760 2 wire or 8770 3 wire or equivalent Torque control terminals to 2 Ib in 0 2 Nm 14 1 3 TB 2 CIRCUIT COMMON The TB 2 terminals are used as circuit common for the start stop input select local remote analog input and analog output functions There are three TB 2 terminals available on the terminal strip and they are all internally connected to each other on the main control board If necessary TB 2 may be connected to chassis ground NOTE TB 2 MUST be connected to chassis ground when using serial communications 45 14 1 4 SURGE SUPPRESION ON RELAYS Current and voltage surges and spikes in the coils of contactors relays and solenoids near or connected to the drive can cause erratic drive operation A snubber circuit should be used on relay and contactor coils associated with the inverter For AC coils snubbers should consist of a resistor and a capacitor in series across the coil For DC coils a free wheeling or flyback diode should be placed across the coil Snubbers are typically available from the manufacturer of the device 14 2 START STOP AND SPEED CONTROL 14 2 1 REMOTE MODE SELECTION T
42. ay will enter the auxiliary mode and cycle between two dis plays a CONTROL display that indicates the control source LOCAL REMOTE or SERIAL AUTO or MANUAL mode and the speed reference source and a TIME display that indicates total elapsed run time When the ENTER key is released the display will return to the previous screen Examples of the auxiliary mode displays are shown below SPEED CONTROL AUTO MAN REFERENCE SOURCE MODE SOURCE LOCAL AUTO IDC 43 The table below shows the possible SPEED REFERENCE SOURCE indications for the CONTROL display in the auxiliary mode SPEED REFERENCE SOURCE TABLE DISPLAY DESCRIPTION KEY KEYPAD Change speed using the UP and DOWN arrow keys VDC 0 10 VDC analog input at TB 5A IDC 4 20 mA analog input at TB 5B SP 1 PRESET SPEED 1 SP 2 PRESET SPEED 2 SP 3 PRESET SPEED 3 SP 4 PRESET SPEED 4 JOG JOG SPEED In JOG mode JOG SPEED PRESET SPEED 2 MOTOR OPERATED POT Change speed using contact clo sures at TB 13A DEC FREQ and TB 13B INC FREQ 44 14 0 CONTROL WIRING 14 1 GENERAL 14 1 1 KEYPAD CONTROL The drive can be controlled by the keypad or by control devices wired to the terminal strip The drive will run from the keypad out of the box requiring no connections to the terminal strip Refer to Section 13 0 KEYPAD CONTROL 14 1 2 CONTROL WIRING VS POWER WIRING External control wiring MUST be run in a sep
43. be provided in accordance with the National Electric Code NEC and all local codes The AC300 drive is capable of withstanding up to 15096 current overload for 60 seconds Select a fuse or magnetic trip circuit breaker rated at 1 5 times the input current rating of the drive the mini mum size should be 10 amps regardless of input current rating Refer to Section 5 0 AC300 RAT INGS 29 Minimum voltage rating of the protection device should be 250 VAC for 240 120 VAC and 240 200 VAC rated drives and 600 VAC for 480 400 VAC and 590 480 VAC drives Use Class CC or Class T current limiting fuses with low values rated at 200 000 AIC Recommended fuses are Bussman type KTK R JJN and JJS or equivalent 9 0 VOLTAGE SELECTION 9 1 INPUT VOLTAGE RATINGS AC3x1 Series drives are rated for 240 120 VAC 50 60 Hz input The drive will function with input voltage of 120 VAC 1096 15 at 48 to 62 Hz when wired for 120 VAC input or with input volt age of 240 VAC 10 15 at 48 to 62 Hz when wired for 240 VAC input AC3x2 Series drives are rated for 240 200 VAC 50 60 Hz input The drive will function with input voltages of 200 to 240 VAC 10 15 at 48 to 62 Hz AC3x4 Series drives are rated for 480 400 VAC 50 60 Hz input drive will function with input voltages of 400 to 480 VAC 10 15 at 48 to 62 Hz AC3x5 Series drives are rated for 590 480 VAC 50 60 Hz input The drive will function wit
44. connecting a resistor in series with the signal such that the total cir cuit resistance is 500 Ohms If set to NONE the function is disabled NOTE This output cannot be used with loop powered devices that derive power from 4 20 mA signal 89 43 TB10A TERMINAL TB 10A SCALING This parameter scales the analog output signal at TB 10A This setting is the output frequency that is indicated when the TB 10A output measures 10 VDC Example The drive is part of a control system that requires a 0 5 VDC signal rather than 0 10 VDO that is proportional to 0 60 Hz output frequency The output signal is linear so setting this parameter to 120 Hz would yield 10 VDC at 120 Hz and 5 VDC at 60 Hz 44 TB10B OUT TERMINAL TB 10B OUTPUT The analog output signal at TB 10B is proportional to the drive load This parameter selects whether that signal is 0 10 VDC or 2 10 VDC The 2 10 VDC signal can be converted to a 4 20 mA signal by connecting a resistor in series with the signal such that the total load resistance is 500 Ohms NOTE This output cannot be used with loop powered devices that derive power from a 4 20 mA signal 45 TB10B TERMINAL TB 10B SCALING This parameter scales the analog output signal at TB 10B This setting is the load in that is indicated when the TB 10B output measures 10 VDC Example The drive is part of a control system that requires a 0 10 VDC signal to indicate 0 150 drive load If t
45. current sinking type rated at 30 VDC and 40 mA maximum An external power supply 30 VDC max must be used to power the open collector outputs The drive does not have a dedicated power supply for the open collector outputs 53 15 OUT TB 15 OPEN COLLECTOR OUTPUT This parameter sets the open collector output indication for terminal TB 15 It has the same func tionality as Parameter 52 TB14 OUT above 54 RELAY RELAY FUNCTION The control board has one set of FORM C relay contacts at TB 16 17 and 18 that can be pro grammed for the same indications as the open collector outputs described above The FORM C contacts at TB 16 17 and 18 are rated 2 amps at 28 VDC or 120 VAC Control wiring diagrams show relays in the rest state coils NOT energized 96 57 SERIAL SERIAL COMMUNICATIONS This parameter is used to activate serial communications When using this feature the drive can communicate with a personal computer PC programmable logic controller PLC or other exter nal device that utilizes RS 485 serial communications for control The serial interface may be used to read present parameter settings uploading to the control device write new parameter settings downloading from the control device monitor present drive activity and control drive activity The following settings are available DISABLE Serial communication function is disabled W TIMER Enables serial communications with a watchdog timer If there is no
46. d or speed pot and AUTO MATIC 0 10 VDC 4 20 mA or preset speeds speed control When set to MANUAL speed control is governed by Parameter 29 MANUAL which selects either KEYPAD or 0 10 VDC speed pot When set to AUTOMATIC one of the TB 13 input selects must be set to the desired speed reference and that terminal must be closed to TB 2 The drive will then respond to the auto matic speed reference If one of the TB 13 input selects is set for a speed reference and the con tact closure is not made to TB 2 speed control will remain in AUTO mode but the drive will respond to the keypad or speed pot depending on Parameter 29 MANUAL Therefore if the Form C relay or open collector outputs are set to indicate AUTO MAN mode they will still indicate AUTO mode In REMOTE mode terminal strip start stop control speed control is only selected using the TB 13 input selects For AUTOMATIC speed control one of the TB 13 input selects must be set to the desired speed reference and that terminal must be closed to TB 2 The drive will then respond to the automatic speed reference If none of the TB 13 input selects are closed to TB 2 speed control will default to MANUAL mode and the drive will respond to the keypad or speed pot depending on Parameter 29 MANUAL This will cauase the Form C relay or open collector outputs to indicate MANUAL mode if set to indicate AUTO MAN mode 0 10 VDC and 4 20 mA INPUT SIGNALS TB 13A TB 13B and
47. d pot control can be selected by one of two methods If none of the preset speeds are selected all TB 13 terminals are open the drive will default to speed pot control if Parameter 29 MANUAL is set to 0 10 VDC The speed pot can also be selected if one of the TB 13 ter minals is programmed to select 0 10 VDC and that terminal is closed to TB 2 5 If REVERSE rotation is required TB 13C cannot be used to select SPEED 3 TB 13C must be programmed to select RUN REVERSE or START REVERSE leaving only TB 13A and TB 13B to select preset speeds 57 16 0 PROGRAMMING THE AC300 DRIVE 16 1 PROGRAMMING THE PARAMETERS The AC300 keypad serves two purposes operating the drive when in the LOCAL mode and pro gramming the parameters for particular applications The keypad is shown below along with the display that should appear when the drive is first powered up STOP gt 20 00HZ 58 To program the drive the PROGRAM mode must be entered by pressing the PROG RUN button If the password protection is disabled pressing the PROG RUN button will result in direct entry into the PROGRAM mode If the password protection is enabled the PASSWORD prompt will appear when an attempt is made to enter the PROGRAM mode The PASSWORD prompt appears as fol lows PASSWORD 0000 CURSOR To enter the password use the UP and DOWN arrow keys to scroll to the password value and th
48. e at all speeds In the example above the motor operating at 10 Hz without speed compensated protection would be allowed to operate continuously at 27 Amps and could draw 40 5 Amps for one minute before tripping Without sufficient motor cooling this can result in motor failure due to overheating The non compensated circuit is selected by setting Parameter 22 TORQUE to CT NOCMP The non compensated setting should only be used in applications where the motor is properly cooled at all speeds or the motor manufacturer has approved the motor for full load operation at low speeds NOTE 2 The operation of the motor thermal overload circuit is affected by the setting of Parameter 84 LOAD MLT 75 18 BASE BASE FREQUENCY The BASE FREQUENCY determines the V Hz ratio by setting the frequency at which the drive will output full voltage to the motor For most applications the base frequency should be set to match the motor s rated frequency For example if the drive is rated for 460 VAC output and the BASE FREQUENCY is set to 60 Hz the drive will maintain a constant ratio of 7 66 V Hz except when AC BOOST or FX BOOST are active see Parameters 19 and 20 from 0 Hz to 60 Hz This range is the region of constant torque If the motor speed is increased past 60 Hz the output voltage remains constant while the frequency increases resulting in a reduced V Hz ratio This range from 60 Hz to about 90 Hz is the region of co
49. e drive for a period of time exceeding three years due to storage etc the electrolytic DC bus capacitors within the drive can change internally resulting in excessive leakage current This can result in premature failure of the capacitors if the drive is oper ated after such a long period of inactivity or storage In order to reform the capacitors and prepare the drive for operation after a long period of inactivity apply input power to the drive for 8 hours prior to actually operating the drive motor system 27 7 2 EXPLOSION PROOF APPLICATIONS Explosion proof motors that are not rated for inverter use lose their certification when used for vari able speed Due to the many areas of liability that may be encountered when dealing with these applications the following statement of policy applies Minarik Corporation inverter products are sold with no warranty of fitness for a particular pur pose or warranty of suitability for use with explosion proof motors Minarik Corporation accepts no responsibility for any direct incidental or consequential loss cost or damage that may arise through the use of its AC inverter products in these applications The pur chaser expressly agrees to assume all risk of any loss cost or damage that may arise from such application Minarik Corporation or Minarik Corporation s engineering department will not knowingly approve applications involving explosion proof motors 8 0 INPUT AC REQUIREMENTS
50. eck devices wired between TB 13D and TB 2 The DB duty cycle is too high causing the resistors to overheat Perform a factory reset using Parmeter 65 PROGRAM This will update the software and allow the fault to be reset Electrical noise on control wiring Defective microprocessor Check heatsink fans if equipped Clear any obstructions If they are not clogged contact the Minarik Drives Factory PARAM NUMBER 10 11 12 13 14 16 17 18 19 20 PARAM NAME LINE VOLTS SPEED 1 SPEED 2 SPEED 3 SPEED 4 SKIP 1 SKIP 2 BAND WID ACCEL DECEL MIN FRQ MAX FRQ DC BRAKE DC TIME DYN BRAKE CURRENT MOTOR OL BASE FX BOOST AC BOOST 103 FACTORY DEFAULT USER SETTINGS AUTO 20 00 Hz 20 00 Hz 20 00 Hz 20 00 Hz 00 Hz 00 Hz 1 00 Hz 30 0 SEC 30 0 SEC 50 Hz 60 00 Hz 0 VDC 0 SEC OFF 180 100 60 00 Hz NOTE 1 0 00 Note 1 Refer to Section 18 0 Description of Parameter 104 PARAM NUMBER 21 22 23 25 26 27 28 29 30 31 32 33 34 35 36 37 39 40 41 PARAM NAME SLIP CMP TORQUE CARRIER START STOP ROTATION AUTO MAN MANUAL CONTROL UNITS HZ MULT SPEED DP LOAD MLT CONTRAST SLEEP TH SLEEP DL TB5 MIN TB5 MAX AIN FLTR FACTORY DEFAULT USER SETTINGS 096 CONSTANT 2 5 kHz NORMAL COAST FORWARD BOTH KEYPAD LOCA
51. ectly follow the procedure given below to check the motor rotation 1 Use the DOWN ARROW key to decrease the speed setpoint to the minimum value allowed 50 Hz if Parameter 10 MIN FRQ has not been changed 2 Press the START key The drive should indicate RUN but if the speed setpoint is 50 Hz the motor may not rotate Press the UP ARROW key to increase the speed setpoint until the motor starts to rotate 3 If the motor is rotating in the wrong direction press the STOP key and remove power from the drive Wait three minutes for the bus capacitors to discharge and swap any two of the motor wires connected to T1 T2 and T3 NOTE The drive is phase insensitive with respect to incoming line voltage Therefore to change the motor rotation the phases must be swapped at the drive output terminals or at the motor 13 0 KEYPAD CONTROL 35 The drive can be operated in a number of different ways keypad LOCAL control devices wired to the terminal strip REMOTE serial communications SERIAL or combinations of each The drive should first be operated from the keypad during initial start up Refer to Sections 14 0 CON TROL WIRING and 18 0 DESCRIPTION OF PARAMETERS for information on remote operation 13 1 KEYPAD FUNCTIONS START STOP SPEED SETPOINT FORWARD REVERSE To start the drive press the START key To stop the drive press the STOP key NOTE The STOP key is active in both LOCAL and REMOTE modes
52. ee phase input only wire the input to terminals L1 L2 and L3 All three power output wires from terminals T1 T2 and T3 to the motor must be kept tightly bundled and run in a separate conduit away from all other power and control wiring It is not recommmended to install contactors or disconnect switches between the drive and motor Operating such devices while the drive is running can potentially cause damage to the drive s power components If such a device is required it should only be operated when the drive is in a STOP state If there is potential for the device to be opened while the drive is running the drive must be pro grammed for COAST TO STOP see Parameter 26 STOP and an auxiliary contact on the device must be interlocked with the drive s run circuit This will give the drive a stop command at the same time the device opens and will not allow the drive to start again until the device is closed 31 AC300 POWER WIRING DIAGRAM 11 0 HOVLIOA LNAAdNI GASNA YOLON aandaa ASYHd SNVEIN VOID M INVSDVIG IORNNOOSIG ASVHd TIONIS OVA OFT INVWOVIG ASVHd TIONIS OVA 021 32 Warning A Do not connect incoming AC power to output terminals T1 T2 or T3 This will result in severe damage INSTALL WIRE AND GROUND IN ACCORDANCE WITH ALL APPLICABLE CODES NOTES 1 Wire the motor for the proper voltage per the output rating of the drive Motor
53. eleration time would be 0 5 seconds If an attempt is made to decelerate a high inertia load too quickly the motor will regenerate voltage back into the drive This will cause the DC bus voltage to rise which can result in a HI VOLTS fault In order to prevent faulting the drive will enter DECEL FREEZE which halts the deceleration until the DC bus voltage returns to a normal level The drive will then begin to decelerate again and if necessary will enter DECEL FREEZE repeatedly to avoid faulting If a very short decelera tion time is programmed DECEL FREEZE may not be able to compensate fast enough resulting in a HI VOLTS fault In applications where very short deceleration times are required on high inertia loads dynamic braking may be required Consult the factory for more information on the Dynamic Braking option 69 10 MIN FRQ MINIMUM FREQUENCY This parameter defines the lower limit of the drive s speed range MIN FRQ is used in conjunction with MAX FRQ Parameter 11 below to define the operating range of the drive If MIN FRQ is set to a value above 0 0 Hz the drive will ramp up from 0 0 Hz when given a start command Once running however the drive will not operate below the MIN FRQ setting unless the rotation is changed or a stop command is issued and the drive is programmed to ramp to a stop If the MINIMUM FREQUENCY is set to 0 0 Hz the drive may be operated in ZERO SPEED mode drive is in RUN state but there
54. en press the ENTER key NOTE The factory default password is 0019 59 Once the correct password is entered the PROGRAM mode will be entered and the first parameter will be displayed which is Parameter 0 LINE VOLTS This is shown below PARAMETER PARAMETER NAME VALUE LINE VOLTS AUTO CURSOR To scroll through the parameters use the UP and DOWN arrow buttons on the keypad When the desired parameter is found press the ENTER key to shift the cursor from the parameter name to the parameter value In this example the cursor shifts from LINE VOLTS to AUTO PARAMETER PARAMETER NAME VALUE LINE VOLTS AUTO CURSOR The parameter value can then be changed using the UP and DOWN arrow buttons If the parame ter has a numerical value the UP arrow will increase the value and the DOWN arrow will decrease the value If the parameter has specific choices that can be selected the UP and DOWN arrow keys will scroll through the list of possible settings When the desired value or option is selected press the ENTER key to store the new setting If the new setting is not ENTERED it will not take effect and the old setting will still be valid If the PROG RUN key is pushed while the cursor is highlighting the parameter value the value will change back to the oringal setting if it had been changed but not ENTERED and the cursor will shift back to the parameter name Pressing PR
55. ences and two or three of the terminals are closed to TB 2 the higher terminal has priority and will override the oth ers For example if TB 13A is programmed to select 0 10 VDC and TB 13C is programmed to select PRESET SPEED 3 closing both terminals to TB 2 will cause the drive to respond to PRE SET SPEED 3 because TB 13C overrides TB 13A 52 14 2 7 ANALOG OUTPUT SIGNALS There are two terminals that can supply analog output signals proportional to output frquency or load Terminal TB 10A can provide a 0 10 VDC or a 2 10 VDC signal proportional to output fre quency and TB 10B can provide the same signals proportional to load The 2 10 VDC signals can be converted to a 4 20 mA signal using a resistor in series with the signal such that the total load resistance is 500 Ohms See Parameters 42 TB10A OUT 43 TB10A 44 TB10B OUT and 45 TB10B in Section 18 0 DESCRIPTION OF PARAMETERS Note These analog output signals cannot be used with loop powered devices that derive power from a 4 20 mA signal 14 2 8 DRIVE STATUS OUTPUT CONTACTS The control board has one Form C relay at terminals TB 16 TB 17 and TB 18 Contacts are rated 2 amps at 28 VDC or 120 VAC There are also two open collector outputs at terminals TB 14 and TB 15 The open collector circuit is a current sinking type rated at 30 VDC and 40 mA maximum An external power supply 30 VDC max must be used to power the open collector outputs T
56. h input voltages of 480 to 590 VAC 10 15 at 48 to 62 Hz 30 10 0 POWER WIRING Warning Hazard of electrical shock Disconnect incoming power and wait three minutes before servicing the drive Capacitors retain charge after power is removed Note drive input and output current ratings and check applicable electrical codes for required wire type and size grounding requirements overcurrent protection and incoming power disconnect before wiring the drive Size conservatively to minimize voltage drop Input fusing and a power disconnect switch or contactor MUST be wired in series with terminals L1 L2 and L3 L1 and L2 if input is single phase If one has not been supplied by Minarik Corporation a disconnect means must be wired during installation This disconnect must be used to power down the drive when servicing or when the drive is not to be operated for a long period of time but should not be used to start and stop the motor Repetitive cycling of a disconnect or input contactor more than once every two minutes may cause damage to the drive 10 1 WIRING FOR SINGLE PHASE OR THREE PHASE INPUT If the drive is nameplated for 240 120 VAC single phase input wire the input to terminals L1 and N and jumper terminals L1 to L2 for 120 VAC input voltage or wire to terminals 11 and L2 do not wire to N for 240 VAC input voltage Refer to Section 11 0 AC300 POWER WIRING DIAGRAM If the drive is nameplated for thr
57. he REMOTE mode can be selected by one of two methods 1 Program Parameter 30 CONTROL to REMOTE or 2 Program CONTROL to BOTH set the TB 13A or TB 13C function see Parameter 47 or 49 to LOCAL SELECT and DO NOT make a contact closure between TB 13A or TB 13C and TB 2 making the contact closure will select LOCAL mode Warning If CONTROL is set to LOCAL TB 1 is disabled and CANNOT be used as a STOP switch Incorrect use of TB 1 may result in damage to equipment and or injury to personnel See Parameter 30 CONTROL 46 Warning STOP TB 1 and EXTERNAL FAULT TB 13D circuitry may be disabled if parameters are reset to factory defaults The drive must be reprogrammed after a RESET in order to insure proper operation see Parameter 65 PRO GRAM FAILURE TO DO SO MAY RESULT IN DAMAGE TO EQUIPMENT AND OR INJURY TO PERSONNEL 14 2 2 TWO WIRE START STOP CONTROL A two wire start stop circuit can be accomplished by one of three methods on the AC300 Series drive Follow the appropriate procedure listed below FORWARD ROTATION ONLY 1 Select REMOTE mode see above 2 Connect a jumper between TB 12A and TB 2 to provide a permanent START command to the drive 3 Wire a normally open maintained contact between TB 1 and TB 2 Close this contact to RUN the drive and open this contact to STOP the drive 47 FORWARD and REVERSE ROTATION 1 Select REMOTE mode 2 Program Parameter 27 ROTATION to FWD am
58. he drive does not have a dedicated power supply for the open collector outputs The Form C relay and the open collector outputs can be programmed to indicate any of the follow ing RUN FAULT FAULT INVERSE FAULT LOCK FAULT LOCKOUT AT SPEED ABOVE 3 LIMIT CURRENT LIMIT or AUTO MAN See Parameters 52 TB14 OUT 53 TB15 OUT and 54 RELAY Refer to Section 6 2 5 for a complete description of each of these status indications 53 15 0 AC300 CONTROL WIRING DIAGRAMS 15 1 AC300 TERMINAL STRIP Shown below is the terminal strip on the main control board along with a brief description of the function of each terminal Wiring shown above the terminal strip indicates internal wiring on the main control board The TB 2 terminals are internally tied together 4A s E 6 427 27 784 d d 2825 zz 2 A an 2 A 228258555 z B 2 222 a n 9 aa 9 gt gt m am 7 882 86 8 2 SGN gt 8 c ee 0 zh 95059537 gt z 2 ES 25855 3 3 3 8444 2 5 91 lt 5 9 9 9 o zx 23 264665 8 gt z 2 gt 2 a a a a a m m e o m B m m OS gt 5 ms S o 5 m m 5 m m m z d 9 9 9 22 2 5 e 5 d 9 5 The function of terminals 10 TB 10B TB 13A 13 TB 13C TB 13
59. his parameter is set to 150 the drive will output 10 VDC at 150 load and about 6 7 VDC at 100 load NOTE The output signal at TB 10B is affected by the setting of Parameter 34 LOAD MLT 90 47 TB13A TB 13A INPUT FUNCTION This parameter is used to select the function of terminal TB 13A Closing TB 13A to TB 2 activates the TB 13A input function The following functions can be selected NONE 0 10VDC 4 20 MA SPEED 1 LOC SEL DEC FREQ Disab Select signal Select nal is Select Select Drive es the TB 13A function is 0 10 VDC as the AUTO speed reference input The 0 10 VDC is wired to TB 5A and TB 2 is 4 20 mA as the AUTO speed reference input The 4 20 mA sig wired to TB 5B and TB 2 is PRESET SPEED 1 as the AUTO speed reference 5 LOCAL mode when Parameter 30 CONTROL is set to BOTH is in REMOTE mode if contact closure is not made Decrease frequency setpoint Used with the MOP motor operated pot function Refer to Section 14 2 6 SPEED REFERENCE SELECTION 91 48 TB13B TB 13B INPUT FUNCTION Warning When operating in JOG mode the STOP key WILL NOT stop the drive To stop the drive the contact between TB 13B and TB 2 must be opened This parameter is used to select the function of terminal TB 13B Closing TB 13B to TB 2 activates the TB 13B function The following functions can be selected NONE Disables the TB 13B function 0 10 VDC Se
60. is no output to the motor ZERO SPEED operation can be used in applications requiring the ability to start and stop the drive using only the selected speed reference The drive will start when the speed reference is raised above 0 VDC or 4 mA and it will stop when the reference is lowered to 0 VDC or 4 mA Note that the drive must be initially started using one of the normal start commands keypad or terminal strip 11 FRQ MAXIMUM FREQUENCY This parameter defines the upper limit of the drive s speed range MAX FRQ is used in conjunction with MIN FRQ Parameter 10 above to define the operating range of the drive Warning Consult motor manufacturer before operating motor above rated frequency Overspeeding the motor and or driven equipment can cause damage to equipment and injury to personnel NOTE If the drive is equipped with the High Frequency Output option the range of adjustment will be 1 00 650 0 Hz 70 12 DC BRAKE DC BRAKE VOLTAGE DC braking creates a braking torque by injecting DC voltage into the motor This parameter sets the magnitude of that DC voltage The point at which the drive applies DC braking to the motor depends on which STOP mode is programmed either COAST or RAMP see Parameter 26 STOP If the drive is set to COAST DC braking is activated when the stop command is given In this case DC braking helps decelerate the motor This is useful in applications where a quick decelera tio
61. ives typically have a high overload rating 15096 for 60 seconds in order to handle the higher peak torque demands To achieve maximum torque constant torque drives follow a constant V Hz ratio The AC300 series product lines have full overload capacity 150 for 60 seconds 180 for 30 sec onds so that it can be used for either type of application The V Hz ratio can also be changed to opti mize performance for either type of application 23 6 2 DRIVE FUNCTION DESCRIPTION The AC300 Series is a 16 bit microprocessor based keypad programmable variable speed AC motor drive There are four major sections an input diode bridge and filter a power board a control board and an output intelligent power module 6 2 1 DRIVE OPERATION Incoming AC line voltage is converted to a pulsating DC voltage by the input diode bridge The DC voltage is supplied to the bus filter capacitors through a charge circuit which limits inrush current to the capacitors during power up The pulsating DC voltage is filtered by the bus capacitors which reduces the ripple level The filtered DC voltage enters the inverter section of the drive composed of six output intelligent insulated gate bi polar transistors IGBTs which make up the three output legs of the drive Each leg has one intelligent IGBT connected to the positive bus voltage and one con nected to the negative bus voltage Alternately switching on each leg the intelligent IGBT produces an alternati
62. lar rate is limited by the output power capability of the drive motor combination The acceleration of high inertia and high friction loads may be affected by the current limiting characteristics of the drive See Parameters 16 CURRENT 19 FX BOOST and 20 AC BOOST for more information 9 DECEL DECELERATION TIME DECEL sets the deceleration rate for all speed reference sources The DECEL setting indicates the time to decelerate from BASE FREQUENCY to 0 Hz As with Parameter 8 ACCEL this is a linear function If the drive is set to coast to a stop DECEL will have no effect when a STOP com mand is given The range of adjustment for DECEL depends on horsepower voltage and whether Dynamic Braking DB is being used Refer to the table on the next page 68 DECELERATION LIMITS HORSEPOWER VOLTAGE RATING RANGE OF ADJUSTMENT 240 200 VAC 480 400 VAC 590 480 VAC WITHOUT DB WITH DB NOTE 1 NOTE 2 0 25 7 5HP 1 7 5 HP 0 3 3600 SEC 0 1 3600 SEC 10 15 HP 10 20 HP 1 7 5 HP 0 5 3600 SEC 0 1 3600 SEC 20 30 HP 25 60 HP 10 20 HP 1 0 3600 SEC 0 2 3600 SEC 25 60 HP 2 0 3600 SEC 0 2 3600 SEC NOTE 1 240 120 VAC units have the same limits as 240 200 VAC units NOTE 2 This parameter can be set below the minimum value shown but the value shown is the operational limit of the drive For example if DECEL is set for 0 1 seconds on a 10 HP 480 VAC drive without dynamic braking the actual dec
63. lects 0 10 VDC as the AUTO speed reference input The 0 10 VDC signal is wired to TB 5A and TB 2 4 20 MA Selects 4 20 mA as the AUTO speed reference input The 4 20 mA sig nal is wired to TB 5B and TB 2 SPEED 2 Selects PRESET SPEED 2 as the AUTO speed reference INC FREQ Increase frequency setpoint Used with MOP motor operated pot func tion Refer to Section 14 2 6 SPEED REFERENCE SELECTION JOG FWD Jog in the forward direction Active only when drive is STOPPED The jog speed is set by Parameter 2 SPEED 2 JOG REV Jog in the reverse direction Active only when drive is STOPPED The jog speed is set by Parameter 2 SPEED 2 92 49 TB13C TB 13C INPUT FUNCTION Warning If TB 13C is programmed for RUN REVERSE TB 1 is disabled and CANNOT be used as a STOP switch This is true in LOCAL and REMOTE mode Incorrect use of TB 1 may result in damage to equipment and or injury to personnel This parameter is used to select the function of terminal TB 13C Closing TB 13C to TB 2 activates the TB 13C input function The following functions can be selected NONE 0 10 VDC 4 20 MA SPEED 3 LOC SEL RUN REV Disab Select signal Select nal is Select les the TB 13C function is 0 10 VDC as the AUTO speed reference input The 0 10 VDC is wired to TB 5A and TB 2 is 4 20 mA as the AUTO speed reference input The 4 20 mA sig wired to TB 5B and TB 2 is PRESET SPEED 3 as the AU
64. led by a pressure transducer that provides a 4 20 mA signal proportional to duct pressure The minimum frequency desired is 20 Hz and the maximum is 60 Hz Set TB5 MIN for 60 Hz and TB5 MAX for 20 Hz As the duct pressure rises the output signal from the transducer will increase causing the speed of the drive to decrease This results in a decrease in duct pressure and a decreasing transducer signal The drive responds to the decreas ing signal by increasing speed which again raises the duct pressure In this way the average duct pressure can be maintained at a certain level If the acceleration and deceleration rates are set too fast however the drive will react quickly to signal changes which will cause the drive speed to hunt up and down excessively 88 41 AINFLTR ANALOG INPUT FILTER This parameter adjusts the filter on the analog input terminals TB 5A and TB 5B to reduce the effect of any electrical noise that may be present on the analog input signals This filter works in both PID mode and standard speed control mode It should be set to the lowest value that yields acceptable performance as setting it too high may cuase the drive to react too slowly to signal changes 42 TB10A OUT TERMINAL TB 10A OUTPUT The analog output signal at TB 10A is proportional to the output frequency of the drive This parameter selects whether that signal is 0 10 VDC or 2 10 VDC The 2 10 VDC signal can be con verted to a 4 20 mA signal by
65. n is desired on a load that would normally take a long time to coast to a stop If the drive is set to RAMP DC braking is activated when the output frequency reaches 0 Hz In this case the drive decelerates the load to a near stop and then DC braking is used to stop and hold the motor This is useful in applications where the load needs to be stopped in a certain posi tion Similar applications with high inertia loads utilize both dynamic braking and DC braking The dynamic braking allows the high inertia load to be decelerated quickly while the DC braking stops the load in the desired position Due to heat generated in the motor DC braking should only be used in applications where the load is stopped infrequently In high duty cycle applications dynamic braking is recommended because the heat is dissipated through external resistor banks rather than in the motor When used DC BRAKE should be set to the lowest voltage that provides satisfactory operation in order to minimize motor heating The maximum voltage available depends on the voltage rating of the drive Refer to the table below MAXIMUM DC BRAKE VOLTAGE MODEL AC3x1 MODEL AC3x2 MODEL AC3x4 MODELAC3x5 240 120 VAC 240 200 VAC 480 400 VAC 590 480 VAC 24 VOLTS 24 VOLTS 48 VOLTS 59 VOLTS 71 13 DC TIME DC BRAKE TIME This parameter determines the length of time that the DC braking voltage is applied to the motor DC TIME should be set to the lowest value that provide
66. ne minute and 180 current for approximately 30 seconds before tripping into an OVERLOAD fault See Parameter 17 MOTOR OL below 72 The drive will enter current limit when the load demands more current than the drive can deliver which results in a loss of synchronization between the drive and the motor To correct this condition the drive will enter FREQUENCY FOLDBACK which commands the drive to decelerate in order to reduce the output current and regain synchronization with the motor When the overcurrent condi tion passes the drive will return to normal operation and accelerate back to the speed setpoint However if FREQUENCY FOLDBACK cannot correct the condition and the drive remains in current limit for too long it will trip on an OVERLOAD fault If the drive enters current limit while accelerat ing the time required to reach the speed setpoint will be longer than the time programmed into ACCEL Parameter 8 17 MOTOR OL MOTOR OVERLOAD The AC300 Series is UL approved for solid state motor overload protection Therefore a separate thermal overload relay is not required for single motor applications The MOTOR OVERLOAD cir Cuit is used to protect the motor from overheating due to excessive current draw The trip time for the MOTOR OVERLOAD setting is based on what is known as an inverse 12 function This func tion allows the drive to deliver 15096 of the rated output current for one minute and even higher current levels f
67. ng voltage on each of the corresponding motor windings By switching each output intel ligent IGBT at a very high frequency known as the carrier frequency for varying time intervals the inverter is able to produce a smooth three phase sinusoidal output current wave which optimizes motor performance 24 6 2 2 CIRCUIT DESCRIPTION The control section consists of a control board with a 16 bit microprocessor keypad and display Drive programming is accomplished via the keypad or the serial communications port During oper ation the drive can be controlled via the keypad by control devices wired to the control terminal strip or by the the serial communications port The Power Board contains the control and protection cir cuits which govern the six output IGBTs The Power Board also contains a charging circuit for the bus filter capacitors a motor current feedback circuit a voltage feedback circuit and a fault signal circuit The drive has several built in protection circuits These include phase to phase and phase to ground short circuit protection high and low line voltage protection protection against excessive ambient temperature and protection against continuous excessive output current Activation of any of these circuits will cause the drive to shut down in a fault condition 6 2 3 AC300 INPUTS AND OUTPUTS The drive has two analog inputs 0 10 VDC and 4 20 mA that can be used for speed reference A speed potentiometer 10 000
68. nstant horsepower Above 90 Hz horsepower begins to decrease as frequency increases Refer to Section 6 1 DESCRIPTION OF AC MOTOR OPERATION 19 FX BOOST FIXED BOOST This parameter is used in applications which require high starting torque FX BOOST increases the output voltage at lower output frequencies below 30 Hz for 60 Hz base frequency in order to boost the torque capability of the motor Refer to the following diagram The factory default for FX BOOST depends on the horsepower rating of the drive Refer to the following table 76 FX BOOST FACTORY DEFAULT SETTINGS FACTORY DEFAULT HP FACTORY DEFAULT 5 30 2 20 4 40 2 00 3 60 1 80 3 00 1 60 2 70 1 20 2 40 0 80 20 AC BOOST ACCELERATION BOOST AC BOOST is similar to FX BOOST but is only active when the drive is accelerating During accel eration the output voltage is increased according to the setting of AC BOOST which increases motor torque Refer to the following diagram AC BOOST like FX BOOST is used in applications with high inertia loads The following diagram illustrates how FX BOOST and AC BOOST alter the V Hz ratio to increase motor torque The FX BOOST setting represents the amount of boost at 0 Hz approximately 15 in the example below and as the output frequency approaches 30 Hz the boost decreases to zero 77 100 90 AC BOOST 2 8 8 60 8 50 FX BOOST 5 40 E 30 o 20 10 CONSTANT V Hz 10 20 30 40
69. ompt If the correct password is entered the PROGRAM MODE is entered and parameters can be changed If the wrong password is entered the display will flash ERROR INCORRECT and then return to the PASSWORD prompt to allow another attempt at entering the correct password If the ENTER key is pressed while PASSWORD reads 0000 the MONITOR MODE will be entered if Parameter 64 MONITOR is set to ON which will allow the parameters to be viewed except for PASSWORD but not changed NOTE 1 The factory default value is 0019 NOTE 2 If PASSWORD is set to 0000 the function is disabled Pressing the PROG RUN key will result in direct entry into the PROGRAM mode without having to enter a password 63 SOFTWARE SOFTWARE VERSION This parameter displays the software code and revision number of the control board software This information is useful when contacting the factory for programming or troubleshooting assistance This is a view only parameter and cannot be changed 98 64 MONITOR MONITOR This parameter is used to enable ON or disable OFF the MONITOR MODE function The func tionality is explained below ON OFF Pressing the PROG RUN key will activate the PASSWORD prompt If the ENTER key is pressed while the password value reads 0000 the MONITOR MODE is entered and parameters can be viewed except for PASSWORD but not changed Pressing the PROG RUN key will activate the PASSWORD prompt If the ENT
70. on 14 2 3 and also wire a normally open maintained contact between TB 2 and the common of a single pole double throw toggle switch Wire the poles of the toggle Switch to TB 12A and TB 13C Select the desired rotation with the toggle switch Close the maintained contact to RUN and open to STOP 14 2 4 THREE WIRE START STOP CONTROL A three wire stop circuit can be accomplished by one of two methods on the AC300 Series drive Follow the appropriate procedure listed below FORWARD ROTATION ONLY 1 Select REMOTE mode 2 Wire a normally closed momentary STOP contact between TB 1 and TB 2 Momentarily open this contact to STOP the drive 3 Wire a normally open momentary START contact between TB 12A and TB 2 Momentarily close this contact to START the drive 49 FORWARD and REVERSE ROTATION with TWO START CONTACTS 1 Select REMOTE mode Program Parameter 27 ROTATION to FWD amp REV Program Parameter 49 TB13C to START REVERSE Wire normally closed momentary STOP contact between TB 1 and TB 2 Momentarily open this contact to STOP the drive 5 Wire a normally open momentary START FORWARD contact between TB 12A and TB 2 Momentarily close this contact to START the drive in FORWARD 6 Wire a normally open momentary START REVERSE contact between TB 13C and TB 2 Momentarily close this contact to START the drive in REVERSE NOTE If the drive is operating in one direction and is given the START command for the opp
71. or shorter periods of time Once the overload circuit times out the drive will trip into an OVERLOAD fault The MOTOR OVERLOAD should be set to a value which is equal to the ratio in percentage of the motor full load current rating to the drive output current rating This will result in an overload capac ity of 15096 of the MOTOR current rating for one minute If this parameter is set to 10096 the motor will be allowed to draw 150 of the DRIVE output current rating for one minute This distinc tion is important in cases where the motor full load current rating is significantly less than the drive output current rating such as applications where the drive is oversized to meet torque require ments 73 Example 1 A 5 Hp 480 VAC drive is operating a 3 HP motor with a full load current rating of 4 8 amps Divide the motor current rating by the drive output current rating 4 8 7 6 63 Entering this value will allow continuous operation at 4 8 amps and will also allow the motor to draw 7 2 amps 150 of 4 8 amps for one minute If the setting is left at 100 the motor could draw 11 4 amps 150 of 7 6 amps for one minute before faulting The AC300 Series drive has two options for thermal overload protection One depends on the speed of the drive while the other does not The diagram below illustrates the difference between speed compensated and non compensated thermal overload protection The speed compensated thermal o
72. osite direction the drive will decelerate to 0 Hz and then accelerate back to the speed setpoint in the opposite direction FORWARD and REVERSE ROTATION with ONE START CONTACT 1 Follow steps 1 4 above and wire a normally open momentary contact between TB 2 and the common of a single pole double throw toggle switch Wire the poles of the toggle switch to TB 12A and TB 13C See the wiring diagram in Section 15 3 14 2 5 SPEED REFERENCE SIGNALS The drive allows for three analog speed reference inputs a speed potentiometer 100 000 Ohm 0 10 VDC or 4 20 mA 50 SPEED POT Connect the wiper to terminal TB 5A and connect the high and low end leads to terminals TB 6 and TB 2 respectively 0 10 VDC Wire the positive to terminal TB 5A and the negative to terminal TB 2 TB 5A input impedance is 200 kilohms 4 20mA Wire the positive to terminal TB 5B and the negative to terminal TB 2 TB 5B input impedance is 100 ohms 14 2 6 SPEED REFERENCE SELECTION AUTO MAN vs LOCAL REMOTE In the AC300 Series drive AUTO MAN refers to speed control and LOCAL REMOTE refers to START STOP control AUTOMATIC or MANUAL speed control selection is affected by whether the drive is in LOCAL or REMOTE mode In LOCAL mode keypad start stop control AUTOMATIC and MANUAL speed control is selected using Parameter 28 AUTO MAN When AUTO MAN is set to BOTH the AUTO MAN button on the keypad is active and is used to toggle betveen MANUAL keypa
73. p REV to allow rotation in both directions 3 Program Parameter 49 TB13C to START REVERSE This will force TB 12A to act as START FORWARD 4 Select the desired rotation by closing the appropriate terminal TB 12A for forward or TB 13C for reverse to TB 2 This can be done with a toggle switch or equivalent circuit 5 Wire a normally open maintained contact between TB 1 and TB 2 Close this contact to RUN the drive and open this contact to STOP the drive 14 2 3 ALTERNATE TWO WIRE START STOP CONTROL METHOD Warning This method requires TB 13C to be set for RUN REVERSE which will disable TB 1 as a STOP switch Incorrect use of TB 1 may result in damage to equip ment and or injury to personnel Refer to Parameter 49 TB13C FORWARD ROTATION ONLY 1 Select REMOTE mode see above 2 Program Parameter 27 ROTATION to FWD amp REV 3 Program Parameter 49 TB13C to RUN REVERSE This will force TB 12A to act as RUN FOR WARD 4 Wire a normally open maintained contact between TB 12A and TB 2 Close this contact to RUN the drive FORWARD and open this contact to STOP the drive 48 FORWARD and REVERSE ROTATION with TWO RUN CONTACTS 1 Follow steps 1 4 in section 14 2 3 and also wire a normally open maintained contact between TB 13C and TB 2 Close this contact to RUN the drive in REVERSE and open this contact to STOP the drive FORWARD and REVERSE ROTATION with ONE RUN CONTACT 1 Follow steps 1 3 in secti
74. r calibrates the drive for the correct input voltage and can be set to AUTO HIGH or LOW When set to AUTO the drive measures the DC bus voltage when power is applied and automati cally calibrates itself according to the measured value DC bus voltage is equal to input voltage multiplied by 1 4 This parameter can also be set manually using the HIGH or LOW settings For actual line volt ages of 220 240 VAC on 240 200 VAC models 460 480 VAC on 480 400 VAC models or 575 600 VAC on 590 480 VAC models set this parameter to HIGH Also use the HIGH setting for 240 120 VAC single phase input models Refer to the table below For actual line voltages of 200 208 VAC on 240 200 VAC models 380 415 VAC on 480 400 VAC models or 460 480 VAC on 590 VAC models set this parameter to LOW Refer to the table below INPUT LINE VOLTAGE SELECTION RATED INPUT INPUT ACTUAL INPUT PARAM VOLTAGE PHASE VOLTAGE SETTING 240 120 VAC 220 240 VAC HIGH 240 120 VAC 110 120 VAC HIGH 240 VAC 220 240 VAC HIGH 240 200 VAC 220 240 VAC HIGH 240 200 VAC 200 208 VAC LOW 480 400 VAC 460 480 VAC HIGH 480 400 VAC 380 415 VAC LOW 590 480 VAC 575 600 VAC HIGH 590 480 VAC 460 480 VAC LOW 65 1 4 SPEED 1 4 PRESET SPEEDS 1 2 3 AND 4 PRESET SPEEDS are only active when the drive is in AUTO mode and are activated via contact closures between terminal TB 2 and terminals TB 13A TB 13B and TB 13C
75. s 0 120 Hz Optional up to 1000 Hz 2 5 kHz to 14 kHz 0 00006 C 1 00 gt 97 throughout speed range gt 0 96 150 of output rating for 60 seconds 180 of output rating for 30 seconds 0 10 VDC 4 20 mA 15 VDC 0 10 VDC or 2 10 VDC Proportional to speed and load Form C relay 2A at 28 VDC or 120 VAC Open collector outputs 40 mA at 30 VDC 3 0 AC300 MODEL DESIGNATION CODE The model number of an AC300 Series drive gives a full description of the basic drive unit see example below EXAMPLE AC324T 3 7P AC300 480 VAC 5 HP NEMA 1 Enclosure with a Remote Keypad Assembly 2 4 37 Series AC300 Series Variable Speed AC Motor Drive Enclosure Type 0 Chassis Open Enclosure with Cover Removed 2 NEMA 1 General Purpose vented 3 NEMA4 Water tight and Dust tight 4 NEMA 12 Dust tight and Oil tight 5 NEMA 4X Water tight Dust tight and Corrosion Resistant Input Voltage 1 240 120 VAC For 110 115 120 230 and 240 50 or 60 Hz 2 240 200 VAC For 208 and 240 50 60 Hz 4 480 400 For 380 415 440 460 and 480 VAC 50 or 60 Hz 5 590 480 For 440 460 480 575 and 600 50 or 60 Hz Input Phase 5 Single phase input only T Three phase input only Horsepower Kilowatts 02 1A4Hp 37 5Hp 22 30Hp 04 1 2Hp 55 71 2Hp 30 40Hp 075 1Hp 75 10Hp 37 50Hp 11 11 2Hp 11 15Hp 45 6
76. s satisfactory operation in order to minimize motor heating NOTE If this parameter is set to 999 9 seconds the maximum value the DC braking will be con tinuous If this is set to 0 seconds it is disabled 14 DYN BRAK DYNAMIC BRAKE This parameter enables the dynamic braking circuit Set this parameter to ON only if the optional dynamic braking circuit board and resistors are installed Dynamic braking is used in applications where high inertia loads need to be decelerated quickly When this is attempted the motor regenerates voltage back into the drive causing the DC bus volt age to rise eventually resulting in a HI VOLTS fault With the dynamic braking option the DC bus voltage is monitored and when it reaches a certain level a transistor is switched on that connects an external resistor bank across the DC bus This allows the regenerated energy from the motor to be dissipated through the resistors as heat which keeps the DC bus voltage below the trip level 16 CURRENT CURRENT LIMIT This parameter sets the maximum allowable output current of the drive which also determines the torque capability of the motor For most applications CURRENT is left at the maximum setting which is 150 or 180 of the drive s output current rating depending on whether the input volt age is low or high see Parameter 0 LINE VOLTS Regardless of the CURRENT setting the drive is capable of delivering a maximum of 150 current for o
77. t TB 13D will default to a normally open EXTERNAL FAULT contact because Parameter 50 TB 13D will be reset to EXT FAULT NOTE This parameter will display RESET 60 RESET 50 or RST HIGH until a change is made to one or more of the parameter settings Once a parameter is changed the display will change to MAINTAIN 66 HISTORY CLEAR FAULT HISTORY This parameter is used to clear the previous faults in the FAULT HISTORY When set to CLEAR and the ENTER key is pushed the display will change to MAINTAIN and the FAULT HISTORY will display NO FAULT for each of the eight fault histories 69 LANGUAGE LANGUAGE SELECTION The AC300 Series drive can support other languages with the addition of an optional LANGUAGE EEPROM chip installed in socket U11 on the control board of the drive If the EEPROM is not present the default language will be ENGLISH Also this parameter is not affected when the parameters are reset using Parameter 65 PROGRAM Therefore if a language other than ENG LISH is selected it will remain in effect after a RESET 100 70 FAULT HISTORY The FAULT HISTORY stores the previous eight fault conditions that caused the drive to trip The information stored here is view only it cannot be altered The FAULT HISTORY can be used to determine if there is a pattern or trend to the faults which may indicate a problem in the system Refer to Section 19 0 TROUBLESHOOTING for more information on faults The FAULT HIST
78. t This is done to ensure the motor is stopped during the restart attempt as the drive will not start into a spinning motor NOTE 1 POWER UP AUTO RE and RE BRAKE settings are only active when the drive is in REMOTE mode see Parameter 30 CONTROL NOTE 2 After a fault the drive will attempt to restart five times and if unsuccessful will shut down on a FAULT LOCKOUT Every 15 minutes that passes will decrement the restart counter by one Therefore 75 minutes after a successful restart the restart counter is fully reset and the drive can once again attempt five restarts NOTE 3 The drive WILL NOT restart after the following faults CONTROL and PWR SAG Also if an OUTPUT fault occurs below 1 5 Hz only one restart will be attempted after a four minute delay If unsuccessful it will then trip into FAULT LOCKOUT which will require a manual reset This is done to protect the drive in case of a shorted motor 26 STOP STOP MODE This parameter selects whether the motor will COAST to a stop or RAMP to a stop when the drive is given a stop command COAST When a stop command is given the drive shuts off the output to the motor allowing it to coast to a stop In this mode the time it takes the motor to stop is governed by the inertia of the driven load 81 RAMP When a stop command is given the drive will decelerate the motor to a stop over a period of time according to Parameter 9 DECEL 27 ROTATION ROTATION
79. t TB 13 terminal is closed to TB 2 the drive will respond to the selected speed reference signal In the diagram above TB 13A is programmed to select either a 0 10 VDC or 4 20 mA signal If the contact closure is not made between TB 13A and TB 2 to select a speed reference the drive will default to MANUAL speed control which is determined by Parameter 29 MANUAL 56 15 4 SPEED POT AND PRESET SPEED CONTROL Shown below is the wiring diagram for a control scheme that utilizes a speed pot and PRESET SPEEDS for speed control and either a two wire or three wire START STOP circuit FORM C RELAY The TB 2 terminals are internally tied together 5B 6 108 2 12 13A 13B 13C 130 14 15 2 TXB 16 17 18 Uu gt 4015 NOWWOO 1uvis XlddMSIGAOL LAdNIDGA OL 0 2 4 NOWWOO LINDYD 18 43346 135384 gt Ci 03346 135384 03345 135384 NOWWOO LINDYD gt SPEED POT 10 K NOTES 1 Program the PRESET SPEEDS see Parameters 1 4 to desired values 2 Program TB 13A to select SPEED 1 TB 13B to select SPEED 2 and TB 13C to select SPEED 3 see Parameters 47 48 and 49 3 To select a preset speed close the appropriate preset speed terminal to TB 2 To select SPEED 74 close any two of the three preset speed terminals to TB 2 4 Spee
80. t to LOCAL TB 1 is disabled and CANNOT be used as a STOP switch Incorrect use of TB 1 may result in damage to equipment and or injury or personnel Warning STOP TB 1 and EXTERNAL FAULT TB 13D circuitry may be disabled if parameters are reset to factory defaults The drive must be reprogrammed after a RESET in order to insure proper operation see Parameter 65 PROGRAM FAILURE TO DO SO MAY RESULT IN DAMAGE TO EQUIPMENT AND OR INJURY TO PERSONNEL This parameter is used to select the source of the start stop command and direction control The following settings are available LOCAL START STOP and FORWARD REVERSE commands from the keypad only REMOTE START STOP and FORWARD REVERSE commands from the terminal strip only BOTH LOCAL operation if TB 13A or TB 13C is programmed for LOCAL SELECT and a contact closure is made from TB 13A or TB 13C to TB 2 If the contact closure is not made the drive will be in REMOTE mode 84 31 UNIT SPEED UNITS UNITS sets the units of the output speed display on the keypad The parameter can be set to the following speed units HERTZ RPM HZ SEC MIN HR GPH and NONE NOTE The intended use of and are units per second units per minute and units per hour 32 HZ MULT HERTZ MULTIPLIER The HZ MULTIPLIER is used to scale the output speed indication on the display If UNITS is set for HERTZ or HZ this parameter has no effect M
81. tors within the drive can change internally resulting in excessive leakage current This can result in premature failure of the capacitors if the drive is oper ated after such a long period of inactivity or storage In order to reform the capacitors and prepare the drive for operation after a long period of inactivity apply input power to the drive for 8 hours prior to actually operating the drive motor system Disconnect the driven load from the motor Verify that the drive input terminals L1 L2 and L3 are wired to the proper input voltage per the nameplate rating of the drive Warning DO NOT connect incoming AC power to output terminals T1 T2 and T3 Do not cycle input power to the drive more than once every two minutes This will result in damage to the drive Energize the incoming power line The LCD display should light and flash TESTING and then show the voltage and horsepower rating of the drive The display should then show STOP gt 20 00 HZ which indicates that the drive is in a STOP condition and the speed setpoint is 20 00 Hz STOP 20 00HZ 34 If the display does not appear remove the incoming power wait three minutes for the bus capaci tors to discharge and verify correct installation and wiring If the wiring is correct re apply incom ing power and note the display for drive status If the display still does not appear call the factory for assistance If the drive powers up corr
82. tween synchronous speed frequency and the number of poles Ss 120 Where Ss Synchronous speed rpm f frequency Hz p number of poles In three phase induction motors the actual shaft speed differs from the synchronous speed as load is applied This difference is known as slip Slip is commonly expressed as a percentage of synchro nous speed A typical value is three percent at full load 20 The strength of the magnetic field in the gap between the rotor and stator is proportional to the ampli tude of the voltage at a given frequency The output torque capability of the motor is therefore a function of the applied voltage amplitude at a given frequency When operated below base rated speed AC motors run in the range of constant torque Constant torque output is obtained by main taining a constant ratio between voltage amplitude Volts and frequency Hertz For 60 Hz motors rated at 230 460 and 575 VAC common values for this V Hz ratio are 3 83 7 66 and 9 58 respec tively Operating with these V Hz ratios generally yields optimum torque capability Operating at lower ratio values results in lower torque and power capability Operating at higher ratio values will cause the motor to overheat Most standard motors are capable of providing full torque output from 3 to 60 Hz However at lower speeds where motor cooling fans become less effective supplemen tal cooling may be needed to operate at full torque
83. uipment and inspect thoroughly for damage or shortage Report any damage to carrier and or shortages to supplier All major components and connections should be examined for damage and tightness with special attention given to PC boards plugs knobs and switches 1 5 CUSTOMER MODIFICATION Minarik Corporation its sales representatives and distributors welcome the opportunity to assist our customers in applying our products Many customizing options are available to aid in this function Minarik Corporation cannot assume responsibility for any modifications not authorized by its engineer ing department 2 0 AC300 SPECIFICATIONS Storage Temperature Ambient Operating Temperature With 2 5 6 and 8 kHz carrier derate for higher carriers Ambient Humidity Maximum Altitude Input Line Voltages Input Voltage Tolerance Input Frequency Tolerance Output Wave Form 20 to 70 C Chassis 10 to 55 C Type 1 IP 31 10 to 50 Type 4 IP 65 10 to 40 C Type 12 IP 54 10 to 40 C Less than 95 non condensing 3300 feet 1000 m above sea level without derating 240 120 VAC 240 200 VAC 480 400 VAC and 590 480 VAC 10 15 48 to 62 Hz Sine Coded PWM Output Frequency Carrier Frequency Frequency Stability Service Factor Efficiency Power Factor displacement Overload Current Capacity Speed Reference Follower Control Voltage Analog Outputs Digital Output
84. ultiplying the output frequency by the HZ MUL TIPLIER will yield the desired speed value on the display Example The desired speed units is RPM with a standard 60 Hz 1800 RPM motor Set UNITS to RPM and set HZ MULT to 30 00 This will result in a speed display of 1110 RPM for an output fre quency of 37 Hz 37 Hz X 30 1110 RPM Also if there was a 100 1 gear reducer in the system Parameter 33 SPEED DP below could be set to XX XX to represent the output of the gear reducer 11 10 RPM in the example 33 SPEED DP SPEED DECIMAL POINT This parameter is used to move the decimal point location in the speed display This parameter will not have any effect if UNITS is set to HERTZ or HZ The possible settings are XXXXX XXX X XX XX X XXX and XXXX Refer to Parameter 32 HZ MULT above for an example on the use of SPEED DP 85 34 LOAD MLT LOAD MULTIPLIER This parameter is used to scale the LOAD display If the drive output current rating is higher than the motor full load current rating the drive will not display 100 load when the motor is at full load Setting this parameter to the ratio in of the drive output current rating to the motor full load current rating will scale the load display to show motor load instead of drive load This will result in a display of 100 when the motor is at full load The motor overload circuitry is also affected by this parameter When the display reads 150 load the drive will trip on
85. ve months from the date of sale to the user An AC300 Series con trol or any component contained therein which under normal use becomes defective within the stat ed warranty time period shall be returned to Minarik Corporation freight prepaid for examination contact Minarik Corporation for authorization prior to returning any product Minarik Corporation reserves the right to make the final determination as to the validity of a warranty claim and sole obligation is to repair or replace only components which have been rendered defec tive due to faulty material or workmanship No warranty claim will be accepted for components which have been damaged due to mishandling improper installation unauthorized repair and or alteration of the product operation in excess of design specifications or other misuse or improper maintenance Minarik Corporation makes no warranty that its products are compatible with any other equipment or to any specific application to which they may be applied and shall not be held liable for any other con sequential damage or injury arising from the use of its products This warranty is in lieu of all other warranties expressed or implied No other person firm or corporation is authorized to assume for Minarik Corporation any other liability in connection with the demonstration or sale of its products 1 4 RECEIVING Inspect all cartons for damage which may have occurred during shipping Carefully unpack eq
86. verload circuit offers additional protection from high load condi tions at low speeds where motor cooling is often less effective e g motors with shaft mounted fans As seen on the following diagram the drive reduces the allowable continuous output current when operating at frequencies less than 30 Hz Example 2 A 480 VAC 20 HP drive is operating a motor at 10 Hz From the diagram a drive operating at 10 Hz can deliver about 75 of its output current rating continuously A 480 VAC 20 HP drive s output current rating is 27 Amps Therefore the drive would be able to operate continu ously at 20 Amps The drive would also be able to deliver 150 of that value 30 Amps for one minute before tripping into an OVERLOAD fault The speed compensated thermal overload is the factory default and should be used in applications where the motor does not normally experience high loads at low speeds for extended periods of time 74 100 NON COMPENSATED 5 80 o 60 5 40 EE 48 20 10 20 30 40 50 60 FREQUENCY Hz NOTE 1 The above diagram is based on a MOTOR OL setting of 10096 For lower MOTOR OL settings reduce the CURRENT values by the same percentage For example if MOTOR OL is set to 75 reduce the CURRENT values by 25 Therefore the curve shifts down but the shape of the curve remains the same The non compensated thermal overload circuit allows 100 current continuously and 150 cur rent for one minut
87. wires MUST be run in a separate steel conduit away from control wiring and incoming AC power wiring Do not install contactors between the drive and the motor without consulting Minarik for more infor mation Failure to do so may result in drive damage Remove any existing and do not install power factor correction capacitors between the drive and the motor Failure to do so will result in drive damage Use only UL and CSA listed and approved wire Minimum wire voltage ratings 300 V for 120 200 and 240 VAC systems and 600 V for 400 480 and 590 VAC systems Wire gauge must be based a minimum of 150 of the rated output current of the drive and minimum 75 C insulation rating Use copper wire only Wire and ground in accordance with NEC or CEC and all applicable local codes 12 0 INITIAL POWER UP Warning Hazard of electrical shock Wait three minutes after disconnecting incoming power before servicing the drive Capacitors retain charge after power is removed Before attempting to operate the drive motor and driven equipment be sure all procedures pertain ing to installation and wiring have been properly followed 33 Warning Severe damage to the drive can result if operated after long periods of storage or inactivity without reforming the DC bus capacitors If input power has not been applied to the drive for a period of time exceeding three years due to storage etc the electrolytic DC bus capaci

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