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TECO-Westinghouse MA7200 PLUS, Installation Manual

The TECO-Westinghouse MA7200 PLUS comes with a comprehensive Quick Start Manual, guiding users through the setup and operation seamlessly. This manual is available for free download from manualshive.com, making it easily accessible to users seeking complete assistance for their product.

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                                                                                                                                            MA7200 PLUS Operating Manual 

 

TECO – Westinghouse Motor Company                                                              Power Terminal Layout & Description                        

5.0  Power  Section Terminal Layout, Wiring and Ratings   
 

5.1 Power Terminals

 

  

The following Fig. 3.1.1 and Table 3.1.1 shows the power terminal layout and description for the complete horsepower 

      range. 
    

    

 

                                                   

  Fig. 3.1.1   Power Terminal Layout  

 
 
 
 
                                                 Table 3.1.1 Power Terminal Designations 

     R/L1
     S/L2        Input Power Supply (For single phase use terminals R/L1 and S/L2) 
     T/L3
     B1/P        B1/P, B2: External Braking Resistor 
       B2         B1/P,      : DC Power Supply Input

     B1/R
     U/T1
     V/T2        Inverter Output to 3Ø Induction Motor
    W/T3
       E

: DC Power Supply or
  Braking Unit

_

Ground (3rd type grounding)

 

 
 

Summary of Contents for MA7200 PLUS

Page 1: ...M O T O R C O M P A N Y MA7200 PLUS AC Inverter Installation Manual No XXXXXXX 200 to 240V 1Ø 3Ø 1 3 HP 3Ø 5 40 HP 380 to 480V 3Ø 1 75 HP 500 to 600V 3Ø 1 10 HP ...

Page 2: ...rter Heat Loss 4 0 Control Terminals Designations and Wiring 4 1 Control Terminals Layout 4 2 Control Circuit Wiring 5 0 Peripheral Power Devices Overview 5 1 AC Input Reactor 5 2 Input Fuse Types and Ratings 5 3 Noise Filters 5 4 Braking Resistors and Braking Units 6 0 Peripheral Control Devices 6 1 LCD Operator with Extension Cable 6 2 Analog Operator 6 3 PROFIBUS Communication Card 7 0 MA7200 P...

Page 3: ... Un Monitoring Parameters 9 2 Parameter Detail 9 2 1 Parameters Bn Parameter Groups that can be Changed During Running 9 2 2 Parameters Cn Control Parameters 9 2 3 Parameters Sn System Parameters 9 2 4 Parameters PП Application Parameters 9 2 5 Parameters Un Monitoring Parameters 10 0Error Messages and Troubleshooting 10 1 General 10 1 1 Fault 10 1 2 Warnings and Self Diagnosis Appendix A Auto tun...

Page 4: ...MA7200 PLUS Operating Manual TECO Westinghouse Motor Company Index Cont ...

Page 5: ... the proper equipment has been received and is not damaged Verify that the Model No of the inverter you ve received is the same as that listed on your purchase order Refer to the Nameplate Observe the condition of the shipping container and report any damage immediately to the commercial carrier that delivered the equipment Inverter Nameplate Inverter Model Input PowerSpecifications Output Power S...

Page 6: ...mm 1 18in 30mm 4 72in 120mm Air Flow Ambient temperature 10 to 40 C 1 97in 50mm 1 18in 30mm 4 72in 120mm Fig 1 2 1 MA7200 PLUS Wall Mount Clearance DRIVE FWD REV SEQ REF REMOTE DIGITAL OPERATOR JNEP 36 PRGM DRIVE DSPL FWD REV EDIT ENTER RESET RUN STOP Freq Cmd 000 00Hz TECO LOCAL REMOTE DRIVE FWD REV SEQ REF REMOTE DIGITAL OPERATOR JNEP 36 PRGM DRIVE DSPL FWD REV EDIT ENTER RESET RUN STOP Freq Cmd...

Page 7: ...bling the front cover After completing the wiring connection assemble front cover first then the Digital Operator For models 230V 30HP 40HP and 460V 40 75HP Metal cover The front cover can be removed for wiring connection without disassembling the Digital Operator Reinstall the front cover after completing the wiring The procedure for disassembly assembly for the MA7200 PLUS inverter will be depen...

Page 8: ...tion of arrow 2 to remove 1 2 a b Front Cover LCD Digital Operator Removing the front cover Press the left and right sides of the front cover in the directions of arrow 1 and lift the bottom of the cover in the direction of arrow 2 to remove 1 2 1 Front Cover c RS 232 Cable Connector Mounting the front cover and Digital Operator Insert the tab of the upper part of front cover into the groove of th...

Page 9: ...the groove of the inverter housing and secure with screws c and d Connect the RS 232 cable connector on the back of the Digital Operator Place the Digital Operator into the inverter housing and secure with screws a and b Front Cover LCD Digital Operator a b c d RS 232 Cable Connector C 230V 30 40HP and 460V 40 75HP Series Removing the front cover Loosen the two screws a and b of the front cover Th...

Page 10: ...001 Master Speed Ref 0 10V 20k Potentiometer Analog section Digital Input Section 0V Contact rating 250 VAC 1 0A 30 VDC 1 0A Ground 100 Analog Output 1 Analog Output 2 AO1 AO2 GND Analog Outputs 0 10 VDC DO2 FWD REV Eb RESET 2 3 4 5 6 7 8 DG Digital Common Master Speed Ref 4 20 mA 250 Multi Functional Analog Input 0 10V 20k DRIVE FWD REV SEQ REF REMOTE DIGITAL OPERATOR JNEP 36 PRGM DRIVE DSPL FWD ...

Page 11: ... DIGITAL OPERATOR JNEP 36 PRGM DRIVE DSPL FWD REV EDIT ENTER RESET RUN STOP Freq Cmd 000 00Hz TECO LOCAL REMOTE Fig 2 1 2 General Wiring Diagram NEMA 1 230V 3 40HP 460V 3 75HP NEMA4 up to 20HP and 575 1 10HP 230V Models MA7200 2003 thru MA7200 2040 N1 460 Models MA7200 4003 N1 thru MA7200 4075 N1 and 575V Models MA7200 5001 N1 thru MA7200 5010 N1 ...

Page 12: ...the power terminal layout and description for the complete horsepower range Fig 3 1 1 Power Terminal Layout Table 3 1 1 Power Terminal Designations R L1 S L2 Input Power Supply For single phase use terminals R L1 and S L2 T L3 B1 P B1 P B2 External Braking Resistor B2 B1 P DC Power Supply Input B1 R U T1 V T2 Inverter Output to 3Ø Induction Motor W T3 E DC Power Supply or Braking Unit _ Ground 3rd...

Page 13: ... Diagram 3 2 Power Input Output Block Diagrams The following Fig 3 2 1 A B and C show the basic configuration of the power sections for the range of horsepower and input voltages This is shown for reference only and is not a detailed depiction Fig 3 2 1 Power Input Output Block Diagrams ...

Page 14: ...be connected in any phase sequence to power input terminals R L1 S L2 or T L3 on the terminal block 2 DO NOT connect the AC input power source to the output terminals U T1 V T2 and W T3 3 Connect the output terminals U T1 V T2 W T3 to motor lead wires U T1 V T2 and W T3 respectively 4 Check that the motor rotates forward with the forward run source If it does not swap any 2 of the output cables to...

Page 15: ...ecified in the following Table 3 3 2 1 Table 3 3 2 1 Cable Length vs Carrier Frequency Cable length between the inverter and motor Ft 100 100 165 166 138 329 Recommended carrier frequency allowed 15KHz max 10KHz max 5KHz max 2 5KHz max Setting of parameter Cn 34 6 4 2 1 3 3 3 Installing an AC Reactor If the inverter is connected to a large capacity power source 600kVA or more install an optional A...

Page 16: ... 5 10 5 5 TO 50EC 30A CN 25 15 20 6 24 8 8 8 8 M6 M6 15 35 TO 50EC 30A CN 25 20 27 4 32 TO 100S 50A CN 35 25 34 40 35 35 TO 100S 75A CN 50 30 41 48 6 14 TO 100S 100A CN 50 40 54 64 4 22 M8 M10 78 156 TO 100S 100A CN 65 50 68 80 6 14 TO 125S 125A CN 80 60 82 96 1 38 TO 225S 175A CN 100 75 110 128 00 60 4 22 TO 225S 175A CN 125 575V 3 Ø 1 1 7 1 7 14 10 2 5 5 14 10 2 5 5 M4 M4 10 10 TO 50EC 15A CN 11...

Page 17: ...2 10 5 5 10 5 5 TO 100S 50A CN 35 1 Constant torque load 2 The main circuit includes terminals R L1 S L2 T L3 U T1 V T2 W T3 B1 P B2 R B2 and Θ If the length of the input power cable results in a voltage drop 2 a wire size with a larger diameter may be necessary To calculate this reduction apply the following formula Phase to phase voltage drop V 3 resistance of wire Ω km length of line m current ...

Page 18: ...0 15 56 7 A 5 MA7200 2020 N1 20 15 64 A 10 25 18 5 70 9 A 5 MA7200 2025 N1 25 18 5 80 A 10 25 18 5 80 A 10 MA7200 2030 N1 30 22 96 A 10 40 30 108 A 5 MA7200 2040 N1 40 30 130 A 10 40 30 130 A 10 MA7200 4001 N1 1 0 75 2 6 A 15 1 0 75 2 9 A 5 MA7200 4002 N1 2 1 5 4 A 15 2 1 5 4 6 A 5 MA7200 4003 N1 3 2 2 4 8 A 15 3 2 2 4 9 A 15 MA7200 4005 N1 5 4 4 8 7 A 15 7 5 5 5 12 5 A 5 MA7200 4007 N1 7 5 5 5 12...

Page 19: ...27 4 34 41 54 Rated Current A 4 8 6 4 9 6 17 5 24 32 48 64 80 96 130 Heat Loss W Heatsink 11 13 30 40 66 77 86 121 145 246 335 Internal 65 77 185 248 409 474 529 742 889 1510 2059 Total Heat Loss 76 90 215 288 475 551 615 863 1034 1756 2394 Table 3 7 1b Inverter Heat Loss 380 460V Model MA7200 XXXX N1 4001 4002 4003 4005 4007 4010 4015 4020 4025 4030 4040 4050 4060 4075 Inverter Capacity kVA 2 2 3...

Page 20: ... R2C Relay outputs from wiring for terminals A01 A02 GND DO1 DO2 DOG 24V or 12V 12V VIN AIN AUX GND IP12 IG12 A A S and S 2 Use shielded twisted pair cables 24 14 AWG 0 5 2 mm2 shown in Fig 4 2 1 for control circuits to minimize noise problems The maximum wiring distance should not exceed 165 Ft 50 m Fig 4 2 1 Shielded Twisted Pair 3 When the digital multi function output terminals DO1 DO2 are con...

Page 21: ... 8 Input Digital Terminals 1 8 a Open Collector Interface b NPN Sensor Interface Sink Configuration 24V Sink Source Input Digital Terminals 1 8 c Open Collector Interface Source Configuration d PNP Sensor Interface 24VG Sink Source PNP 24V Input Digital Terminals 1 8 TP2 TP2 TP2 TP2 Fig 4 2 3 Sink Source Configurations 5 The MA7200 PLUS inverter has a built in PG Encoder interface and no external ...

Page 22: ...ce 12V 10 0 5A min 0V E Inverter ground 3 The A A IP12 and IG12 terminals are integrated in connector CN2 in compact version See Fig 2 1 1 The code No for the wiring is 4H339D0250001 4 The PG interface only supports an open collector or complementary interface 5 The jumper TP1 is set to the PULL UP position for an open collector interface factory setting and to the OPEN position for a complementar...

Page 23: ...t does have an RS 232 port such as PC programming an RS485 RS232 converter can be used to connect between the Host Controller and the MA7200 PLUS as shown in Fig 4 2 5 2 A MODBUS Host Controller can network up to 31 inverters using the MODBUS communication standard The last MA7200 PLUS inverter at the end of the network must have a 220Ω terminating resistor 3 Please refer to MA7200 RS485 MODBUS Co...

Page 24: ...the optional MA SP interface card Each card requires a power input of 24VDC 0 1A so the external power supply needs to be sized accordingly 3 A maximum of 31 PROFIBUS DP stations nodes may be contained within a single network segment The last MA SP interface card on the drive at the end of the network must have a 220Ω resistor between terminals 1 and 2 4 For more details refer to the MA7200 PROFIB...

Page 25: ...cy command Lower Bound Frequency Jump 4 etc See Parameter Section for details GND Analog Signal Common IP12 External Power Source For PG Feedback Set TP1 to PULL UP for external power source IG12 A Signal Input from PG Can also be used as the input terminals for a Pulse Input Frequency Command A AO1 Analog Multifunction Output Port Frequency command Output frequency Output current Output voltage D...

Page 26: ...ntactor See Section 3 3 Do not use the magnetic contactor as the run stop switch for the inverter AC line reactor for power quality When inverters are supplied by a high capacity above 600KVA power source an AC reactor can be connected to improve the power factor Refer to Sec 5 1 Install Fast Acting Fuse To protect peripheral equipment install fast acting fuses in accordance with the specification...

Page 27: ...1mH 15A 230V 3Φ 5 4 17 5A 3M200D1610056 0 53mH 20A 7 5 24A 3M200D1610064 0 35mH 30A 10 32A 3M200D1610072 0 265mH 40A 15 48A 3M200D1610081 0 18mH 60A 20 64A 3M200D1610099 0 13mH 80A 25 80A 3M200D1610102 0 12mH 90A 30 96A 3M200D1610111 0 09mH 120A 40 130A 3M200D1610269 0 07mH 160A 460V 3Φ 1 2 6A 3M200D1610137 8 4mH 3A 2 4A 3M200D1610145 4 2mH 5A 3 4 8A 3M200D1610153 3 6mH 7 5A 5 4 8 7A 3M200D1610161...

Page 28: ... x 460V Class Fuse Part Number HP KVA 100 Cont Output AMPS Rated Input AMPS Fuse Rating JNTMBG 0001AZ 1 2 2 2 6 3 6 JNTMBG 0002AZ 2 3 4 4 5 10 JNTMBG 0003AZ 3 4 1 4 8 6 10 JNTMBG 0005AZ 5 7 5 8 7 10 20 JNTMBG 7R50AZ 7 5 10 3 12 14 25 JNTMBG 0010AZ 10 12 3 15 18 30 JNTMBG 0015AZ 15 20 6 24 29 50 JNTMBG 0020AZ 20 27 4 32 38 60 JNTMBG 0025AZ 25 34 40 48 70 JNTMBG 0030AZ 30 41 48 53 80 JNTMBG 0040AZ 4...

Page 29: ...ig 5 3 1b 15 48A 4H300D1730002 JUNF32070S MA 70 A Fig 5 3 1b 20 64A 4H300D1730002 JUNF32070S MA 70 A Fig 5 3 1b 460V 3Φ 1 2 6A 4H300D1720007 JUNF34008S MA 8 A Fig 5 3 1a 2 4A 4H300D1720007 JUNF34008S MA 8 A Fig 5 3 1a 3 4 8A 4H300D1630008 JUNF34012S MA 12 A Fig 5 3 1a 5 8 7A 4H300D1630008 JUNF34012S MA 12 A Fig 5 3 1a 7 5 12A 4H300D1640003 JUNF34024S MA 24 A Fig 5 3 1b 10 15A 4H300D1640003 JUNF340...

Page 30: ... 6 5 Mounting Slots 5 51 140 2 36 60 in mm 2 0 26 6 5 Mounting Slots L1 L2 L3 L1 L2 L3 LINE LOAD PE PE 3 15 80 1 57 40 4 92 125 H h W D w 0 28 7 Dia 4 Mounting holes KMF Dimensions in mm Model W w H h D KMF37 KMF31 3 66 93 3 11 79 12 3 312 11 7 298 7 48 190 KMF31 KMF31 4 96 126 4 41 112 12 3 312 11 7 298 8 82 224 Fig 5 3 1a Fig 5 3 1b Fig 5 3 1c Fig 5 3 1 Input Filter Dimensions ...

Page 31: ...led either on the input side or on the output side The wire around the core for each phase should be wound by following the same convention and in one direction The more turns without resulting in saturation the better the attenuation If the wire size is too large to be wound all the wiring can be grouped and put through several cores together in one direction 10 1 10 2 10 3 10 4 10 40 30 20 10 0 ...

Page 32: ...6 JNTBU 230 1 JNBR 4R8KW6R8 4800W 6 8Ω 1 117 10 ED 40 130 JNTBU 230 2 JNBR 3KW10 3000W 10Ω 2 119 10 ED 460V 3Φ 1 2 6 JNBR 150W750 150W 750Ω 1 126 10 ED 2 4 JNBR 150W400 150W 400Ω 1 119 10 ED 3 4 8 JNBR 260W250 260W 250Ω 1 126 10 ED 5 8 7 JNBR 400W150 400W 150Ω 1 126 10 ED 7 5 12 JNBR 600W130 600W 130Ω 1 102 10 ED 10 15 JNBR 800W100 800W 100Ω 1 99 10 ED 15 24 JNBR 1R6KW50 1600W 50Ω 1 126 10 ED 20 3...

Page 33: ...Length L In m Extension Cable Set 1 P N Extension Cable 2 P N Blank Cover 3 P N 3 28 1 4H332D0010000 4H314C0010003 4H300D1120000 6 56 2 4H332D0030001 4H314C0030004 9 84 3 4H332D0020005 4H314C0020009 16 4 5 4H332D0040006 4H314C0040000 32 8 10 4H332D0130005 4H314C0060001 1 Includes the extension cable for the LCD digital operator blank cover screws and installation manual 2 Extension cable for LCD d...

Page 34: ...ator The wiring diagram is also shown R L1 FWD RUN Stop DG 12 V Gnd 0V VIN 0 10V 2kΩ Master Freq Ref A01 Gnd FM B1 P B2 IM MA7200 PLUS Analog Operator 1 S L2 T L3 R L1 S L2 T L3 U T1 V T2 W T3 Analog Output 976Ω W JNEP 16 Analog Operator Connecting Diagram Fig 6 2 1 Analog Operator Outline and Wiring Diagram 6 5 PROFIBUS Communication Card Part No 4H300D0290009 Refer to the previous Section 4 1 6 ...

Page 35: ...Frequency Hz Using Parameter Setting 0 1 400 0 Hz Power Supply Rated Voltage Frequency 1PH 3PH 200V 240V 50 60Hz 3 Phase 200V 240V 50 60Hz Allowable Voltage Fluctuation 15 10 Allowable Frequency Fluctuation 5 Table 7 1 1b 460V Series Inverter HP 1 2 3 5 7 5 10 15 20 25 30 40 50 60 75 Max Applicable Motor Output HP 1 KW 1 0 75 2 1 5 3 2 2 5 4 4 7 5 5 5 10 7 5 15 11 20 15 25 18 5 30 22 40 30 50 37 6...

Page 36: ... 9 9 12 2 Rated Output Current A 1 7 3 0 4 2 6 6 9 9 12 2 Max Output Voltage V 3 Phase 500 550 600VAC Max Output Frequency Hz Using Parameter Setting 0 1 400 0 Hz Power Supply Rated Voltage Frequency 3 Phase 500 600VAC 50 60Hz Allowable Voltage Fluctuation 15 10 Allowable Frequency Fluctuation 5 1 Based on 4 pole motor 2 The specifications for NEMA4 are the same NOTES 7 4 General Specifications Th...

Page 37: ... Power on Operation Hour memory Energy Saving Up Down Operation 4 Different sets of Fault Status Record Including Latest one MODBUS Communication Multiple Pulse Output Ports Select Local Remote SINK SOURCE Interface Protection Function Stall Prevention During Acceleration Deceleration and constant Running Speed Current Level Can Be Selected During Acceleration and Constant Running Speed During Dec...

Page 38: ... 8 27 210 Bottom 7 1 180 20 9 530 M10 66 2 30 10 59 269 25 47 647 10 91 277 Top 8 27 210 Bottom 7 1 180 20 9 530 M10 68 4 31 DCL Built in Standard c 40 68 4 31 70 6 32 460V 3Φ 1 5 2 132 8 54 217 5 65 143 5 4 80 122 8 15 207 M5 5 07 2 3 External ACL option a 2 3 5 51 140 11 0 279 5 6 95 176 5 4 96 126 10 5 266 M6 9 48 4 3 b 5 7 5 8 31 211 2 11 81 300 8 46 215 7 56 192 11 3 286 12 6 5 7 10 15 10 43 ...

Page 39: ... NEMA 1 Outline Drawings 1 1 b 230V 3HP 25HP 460V 3HP 30HP 575V 1HP 10HP D W1 H1 H H2 d a 230V 460V 1 2HP W W W1 H H1 D 4 d 4 d Open Chassis Type IP00 Enclosed Wall mounted Type NEMA1 W W1 H H1 D d W W1 H H1 d D c 230V 30HP 40HP 460V 40HP 75HP Fig 7 3 1 Open Chassis and NEMA 1 Outlines ...

Page 40: ...utline Voltage Inverter Capacity HP NEMA4 In mm Weight Lbs kg W H D W1 H1 d 230V 1 3Φ 1 7 80 198 13 2 335 8 54 217 4 53 115 12 4 315 M6 13 9 6 3 2 3 16 6 7 5 230V 3Φ 5 M6 7 5 8 78 223 18 1 460 9 65 245 5 51 140 17 32 440 M6 35 3 16 10 15 20 460V 3Φ 1 7 80 198 13 2 335 8 54 217 4 53 115 12 4 315 M6 13 9 6 3 2 3 16 6 7 5 5 7 5 8 78 223 18 1 460 9 65 245 5 51 140 17 32 440 M6 35 3 16 10 15 20 ...

Page 41: ...An Bn Sn Cn P1 P5 1 An Bn Sn Cn 2 P1 P5 An Bn Sn Cn P1 P5 1 Factory setting 2 When in the DRIVE mode the parameter groups Sn and Cn can only be monitored if the RESET and the DSPL keys are to be pressed simultaneously 3 Parameters P4 01 to P4 04 can be monitored only during the DRIVE mode Parameter P4 05 can be set and monitored during the DRIVE mode Note After the required modifications have been...

Page 42: ...ntrol and data entry Fig 8 2 1 JNEP 36 LCD Digital Operator Remote Local function Local mode The RUN command is input from the LCD Digital Operator SEQ LED off The Frequency command is input from the LCD Digital Operator REF LED off Remote mode The RUN command is input from the control circuit terminals when Sn 04 1 or the RS 485 comm port when Sn 04 2 SEQ LED on The Frequency command is input fro...

Page 43: ...a particular digit to be changed when setting values on the LCD display Used with the Increment and Decrements keys It also acts as the RESET key when a fault has occurred Selects menu items groups functions parameters and increments the value of a selected digit Selects menu items groups functions parameters and decrements the value of a selected digit EDIT select menu items groups functions and ...

Page 44: ...tor Cn monitor PRGM DRIVE DSPL DSPL DSPL DSPL DSPL DSPL DSPL DSPL DSPL PRGM mode DRIVE mode POWER ON DSPL DSPL DSPL DSPL DSPL DSPL DSPL DSPL DSPL DSPL DSPL DSPL P2 monitor Set An monitor Set Fig 8 5 1 DRIVE and PRGM Display Menus 1 When powered up the inverter immediately enters the DRIVE mode Pressing the PRGM DRIVE key will switch to the PRGM mode If a fault occurs press the PRGM DRIVE key and e...

Page 45: ... FWD RUN Change frequency setting REV RUN STOP FWD 60 Hz REV 60Hz 2 3 4 5 6 7 FWD 15 Hz Example B Operation from power up setting input voltage and output frequency Steps 1 through 7 Fig 8 6 2 Setting the Input Voltage and Output Frequency The following Fig 8 6 3 shows the keypad navigation for Example B following Steps 1 to 7 It will acquaint the user with the process of changing other parameters...

Page 46: ...ccepted will display for 0 5 sec and then the previous screen will be displayed Entry Accepted will display for 0 5 sec and then the previous screen will be displayed Entry Accepted will display for 0 5 sec and then the previous screen will be displayed Using the digit select and the UP Down keys set the output frequency to 60 00Hz Press the display key The O P should read 60 00HZ Press the STOP k...

Page 47: ... Command 4 An 04 000 00Hz Freq Cmd 4 An 05 Frequency Command 5 An 05 000 00Hz Freq Cmd 5 An 06 Frequency Command 6 An 06 000 00Hz Freq Cmd 6 An 07 Frequency Command 7 An 07 000 00Hz Freq Cmd 7 An 08 Frequency Command 8 An 08 000 00Hz Freq Cmd 8 An 09 Frequency Command 9 An 09 000 00Hz Freq Cmd 9 An 10 Frequency Command 10 An 10 000 00Hz Freq Cmd 10 An 11 Frequency Command 11 An 11 000 00Hz Freq Cm...

Page 48: ... 0100 0 Current Cmd Gain 0 0 1000 0 100 00 Bn 08 Analog Frequency Cmd Bias Current Bn 08 000 0 Current Cmd Bias 100 0 100 0 0 00 Multi Function Analog Input Bn 09 Multi Function Analog Input Gain Bn 09 0100 0 Multi_Fun Gain 0 0 1000 0 100 00 Bn 10 Multi Function Analog Input Bias Bn 10 000 0 Multi_Fun Bias 100 0 100 0 0 00 Torque Boost Bn 11 Auto Torque Boost Gain Bn 11 0 5 Auto_Boost Gain 0 0 2 0...

Page 49: ...7 Bn 28 8th_Step Time Under Auto_Run Mode Bn 28 0000 0s Time 8 Bn 29 9th_Step Time Under Auto_Run Mode Bn 29 0000 0s Time 9 Bn 30 10th_Step Time Under Auto_Run Mode Bn 30 0000 0s Time 10 Bn 31 11th_Step Time Under Auto_Run Mode Bn 31 0000 0s Time 11 Bn 32 12th_Step Time Under Auto_Run Mode Bn 32 0000 0s Time 12 Bn 33 13th_Step Time Under Auto_Run Mode Bn 33 0000 0s Time 13 Bn 34 14th_Step Time Und...

Page 50: ...1 230 0V Input Voltage 150 0 255 0V 1 0 1V 230 0V 1 Sec 9 2 2 Cn 02 Max Output Frequency Cn 02 060 0Hz Max O P Freq 50 0 400 0Hz 0 1Hz 60 0Hz Cn 03 Max Output Voltage Cn 03 230 0Hz Max Voltage 0 1 255 0V 1 0 1V 230 0V 1 Cn 04 Max Voltage Frequency Cn 04 060 0Hz Max Volt Frequency 0 1 400 0Hz 0 1Hz 60 0Hz Cn 05 Middle Output Frequency Cn 05 003 0Hz Middle O P Freq 3 0Hz Cn 06 Voltage At Middle Outp...

Page 51: ...Cn 21 000 0Hz Freq Jump 2 Cn 22 Frequency Jump Point 3 Cn 22 000 0Hz Freq Jump 3 Cn 23 Jump Frequency Width Cn 23 01 0Hz Freq Jump Width 0 0 25 5Hz 0 1Hz 1 0Hz Cn 24 Number of Auto Restart Attempt Cn 24 00 Retry Times 0 10 1 0 Cn 25 Stall Prevention During Acceleration Cn 25 170 Acc Stall 30 200 1 170 Cn 26 Stall Prevention During Running Cn 26 160 Run Stall 160 Cn 27 Communication Fault Detection...

Page 52: ...0s S2 Curve Time Cn 43 S curve Characteristic Time at Decel start Cn 43 0 0s S3 Curve Time Cn 44 S curve Characteristic Time at Decel end Cn 44 0 0s S4 Curve Time Speed feedback control Cn 45 PG Parameter Cn 45 0000 0 PG Parameter 0 0 3000 0P R 0 1P R 0 0P R Sec 9 2 2 Fig 4 2 4 Cn 46 Pole no of Motor Cn 46 04P Motor Pole 2 32P 2P 4P Cn 47 ASR Proportional Gain 1 Cn 47 0 00 ASR Gain 1 0 00 2 55 0 0...

Page 53: ...nverter and multiply the value by 2 875 for a 575v class inverter 2 The setting range is 10 200 of the inverter rated current 3 The factory setting values will vary based upon the inverter capacity selection Sn 01 value In this case the setting is for 4 pole 230V 60Hz 1Hp TECO standard induction motors 4 These parameters are not available for 77 01 and later software versions Table 9 1 4 Sn System...

Page 54: ...ng Sn 07 0 Stop Key Valid When operation command is from control terminal or RS 485 communication port 0 operator stop key effective 1 operator stop key not effective Sn 08 Prohibition of REV Run Sn 08 0 Allow Reverse 0 reverse run enabled 1 reverse run disabled Sn 09 Output Frequency Up Down Function Sn 09 0 Inhibit UP DOWN 0 Reference frequency is changed through pressing the UP DOWN key and the...

Page 55: ...n Sn 14 1 Acc Stall Valid 0 invalid Excessive torque may cause stall 1 valid Stop acceleration if current exceeds Cn 25 setting 1 Sn 15 Stall Prevention During Dec Function Selection Sn 15 1 Dec Stall Valid 0 invalid Installed with external brake unit 1 valid No external brake unit used Sn 16 Stall Prevention During Running Function Selection Sn 16 1 Run Stall Valid 0 invalid 1 valid Deceleration ...

Page 56: ...d Characteristics Selection at External Analog Input Terminal Sn 24 1 Cmd AIN Frequency command characteristics selection at external analog input terminal 0 Voltage signal 0 10V VIN 1 Current signal 4 20mA AIN 2 Addition of voltage signal 0 10V and current signal 4 20 mA VIN AIN 3 Subtraction of current signal 4 20mA and voltage signal 0 10V VIN AIN 0 Multi function Digital Input Selection Sn 25 ...

Page 57: ...t current 10V input rated current 3 Output voltage 10V input voltage Cn 01 4 DC voltage 10V 400V or 10V 800 V 00 Sn 34 Multi Function Analog Output AO2 Function Selection Sn 34 01 Term AO2 O P Freq 5 External analog input command VIN 0 10V 0 10V 6 External analog input command AIN 0 10 V 4 20mA 7 Multi function analog input AUX 10V 10V 8 PID control input 9 PID control output 1 10 PID control outp...

Page 58: ...etection Deviation Sn 43 0 1st Dec Stop 0 deceleration to stop Bn 02 1 coast to stop 2 deceleration to stop Bn 04 3 continue to run 0 Auto_Run Mode Sn 44 Operation Mode Selection During Auto_Run Sn 44 0 Auto_Run Invalid 0 Auto_Run mode not effective 1 Auto_Run mode for one single cycle continue running from the unfinished step if restarting 2 Auto_Run mode be performed periodically continue runnin...

Page 59: ...n7 Sn 51 0 Auto_Run Stop Sn 52 Auto_Run Mode Operation Selection8 Sn 52 0 Auto_Run Stop Sn 53 Auto_Run Mode Operation Selection9 Sn 53 0 Auto_Run Stop Sn 54 Auto_Run Mode Operation Selection10 Sn 54 0 Auto_Run Stop Sn 55 Auto_Run Mode Operation Selection11 Sn 55 0 Auto_Run Stop Sn 56 Auto_Run Mode Operation Selection12 Sn 56 0 Auto_Run Stop Sn 57 Auto_Run Mode Operation Selection13 Sn 57 0 Auto_Ru...

Page 60: ...n Sn 67 0 CNTRL MODE SEL 0 V F control mode include V F control with pulse generator feedback 1 Sensorless Vector Control Mode Sec 9 2 3 9 2 2 Appx A Sn 68 Control selection Sn 68 0000 Control selection _ _ _ 1 Output phase loss protection function valid _ _ _ 0 Output phase loss protection function invalid _ _ 1 _ Reserved _ _ 0 _ Reserved 2 _ 1 _ _ 10V analog voltage input function is valid 2 _ ...

Page 61: ...xternal PID Function P1 06 Ext PID Function 0 Ext PID Invalid 1 Ext PID AO1 output 2 Ext PID AO2 output 0 Sec 9 2 4 APP 1 P1 07 External PID Set Point Source P1 07 Ext PID Set Source 0 Set Point Parameter 1 Terminal VIN 2 Terminal AIN 3 Terminal AUX 4 Set Point RS 485 0 P1 08 External PID Set Feedback Source P1 08 Ext PID Fbk Source 1 Feedback Term VIN 2 Feedback Term AIN 3 Feedback Term AUX 3 P1 ...

Page 62: ...0003 0s P3 06 Over Feedback Action P3 06 Over Fbk Action 0 None 1 Over Feedback Alarm 2 Over Feedback Fault 0 P3 07 Low Feedback Level P3 07 Low Feedback Level 000 00 099 99 000 00 P3 08 Low Feedback Delay Time P3 08 Low Fbk Delay Time 0000 0 6000 0s 0003 0s P3 09 Low Feedback Action P3 09 Low Fbk Action 0 None 1 Low Feedback Alarm 2 Low Feedback Fault 0 Suction P3 10 Low Suction Detection P3 10 L...

Page 63: ...r 000 01 500 00 100 00 P4 05 Flow Meter Offset P4 05 Flow Meter Offset 0 00 0 99 0 00 Energy Monitoring P5 01 Energy Cost per kWh P5 01 Energy Cost per kWh 0 000 5 000 0 000 P5 02 Reset Energy Usage P5 02 Reset Energy Usage 0 No 1 Reset 0 Engineering Units Selection by Parameter P1 01 Setting Engineering Unit Description Setting Engineering Unit Description 0 Set by Cn 28 13 MPM meter minute 1 14 ...

Page 64: ...ent Un 04 Output Voltage Un 04 220 0V Output Voltage 0 1V Display output voltage command of inverter 10V 230V or 10V 460V Un 05 Main Circuit DC Voltage Un 05 310 0V DC Voltage 0 1V Display DC voltage of inverter main circuit 10V 400V or 10V 800V Un 06 External Analog Command VIN Un 06 100 Voltage Cmd 0 1 10V 100 Un 07 External Analog Command AIN Un 07 100 Current Cmd 0 1 20mA 100 Un 08 Multi Funct...

Page 65: ...ID Control Output 1 Un 16 100 PID Output1 Un 17 PID Control Output 2 Un 17 00 PID Output2 Un 18 Fault Message 1 Overcurrent Message 1 Fault message occurred last Un 19 Fault Message 2 Overcurrent Message 2 Fault message occurred previous Un 20 Fault Message 3 Overheat Message 3 Fault message occurred two times previous Un 21 Fault Message 4 Excess Load Message 4 Fault message occurred three times ...

Page 66: ... Time 1Hr Display total time elapsed after pressing RUN Un 32 EPROM S W Version Un 32 00001 Soft Number Manufacturing use Un 33 Feedback Motor Speed Un 33 00000rpm Motor Speed 1rpm Display motor speed while PG feedback is set 10V MAX Motor Speed Un 34 PID Feedback Display Un 34 00000 PID Feedback 1 Displays PID feedback signal Un 35 During PID Sleep Un 35 During PID Sleep 0 or 1 Displays whether o...

Page 67: ...M Displays Gallons per Minute GPM Un 42 Ext PID Feedback Un 42 Ext PID Feedback Displays the External PID Feedback Value Un 43 Ext PID Input Un 43 Ext PID Input Displays the External PID Set Point Value Un 44 Ext PID Output 1 Un 44 Ext PID Output 1 Displays the External PID Output Value Un 45 Ext PID Output 2 Un 45 Ext PID Output 2 Displays the External PID Output 2 Value 1 The unit can be changed...

Page 68: ...n 04 may be selected by opening or closing an external switch contact This switching can be done while the drive is operating See Fig 9 2 1 1 below Fig 9 2 1 1 Two Separate Acceleration and Deceleration Times Note S curve characteristic times can be set for beginning accel end accel beginning decel and end decel using parameters Cn 41 to Cn 44 Bn 05 Analog Frequency Command Gain Voltage 0 0 1000 0...

Page 69: ...crease the setting If the motor oscillates excessively lower the setting Bn 12 Monitor 1 1 30 Bn 13 Monitor 2 1 30 In the DRIVE mode 2 inverter input output statuses can be monitored at the same time The specified items are set by parameters Bn 12 and Bn 13 Refer to Table 9 2 1 1 below for the selectable monitored items Table 9 2 1 1a Setting of Bn 12 and Bn 13 Monitoring contents Bn 12 or Bn 13 S...

Page 70: ... FLOW Flow Meter Display 27 E_PID FBK External PID Feedback 28 E_PID I P External PID Input 29 E_PID O P External PID Output 1 30 E_PID O P External PID Output 2 Some examples Example Bn Display 1 Bn 12 02 Bn 13 01 O P Freq 15 00Hz Freq Cmd 15 00Hz 2 Bn 12 03 Bn 13 05 O P I 21 0A DC Volt 311V 3 Bn 12 11 Bn 13 12 I P Term 00101010 O P Term 00010010 Note While monitoring use the or key to display th...

Page 71: ...ct bounce etc When the timer input ON time is longer than the value set for Bn 37 the timer function output turns ON When the timer input OFF time is longer than the value set for Bn 38 the timer function output turns OFF An example is shown below in Fig 9 2 1 4 Timer Input ON ON Timer Output ON ON Bn 37 Bn 37 Bn 38 Bn 38 Fig 9 2 1 4 Timer Input Output Example Bn 39 Energy Saving Gain 50 150 The i...

Page 72: ...content is determined by Bn 12 The second line is determined by Bn 40 as shown in the following example Set by Bn 12 01 Bn 40 02 Freq Cmd 15 00 Hz O P Freq 00 00 Hz Bn 40 01 30 parameter description is same with Bn 12 Bn 13 Refer to Tables 9 2 1a and 9 2 1b Setting of Monitoring Contents Bn 41 to Bn 44 Pulse Input setting 1440 32000 Set Sn 05 3 before starting Pulse Input function Refer to paramet...

Page 73: ... User Defined V F Curve When operating at low speed 3Hz a larger torque can be generated by increasing the slope of V F curve However the motor temperature will increase due to over excitation and may result in a fault Based on the applied load adjust the V F curve and observe the magnitude of the motor current The four frequency settings must satisfy the following relationship otherwise an error ...

Page 74: ...no load current Cn 10 Motor rated current Cn 09 Motor no load current Cn 10 Fig 9 2 2 2 Output Frequency with Slip Compensation Cn 11 Motor Rated Slip 0 0 9 9 This setting is used as a reference value for the torque compensation function See Fig 9 2 2 3 The setting range is 0 0 9 9 of the motor maximum voltage frequency with Cn 04 100 The setting is shown in Fig 9 2 2 3 in the constant torque and ...

Page 75: ...the stopping time The DC injection braking current parameter Cn 15 sets the current level that is active at the time of DC injection braking The braking current is set as a percentage of inverter rated output current at 100 The DC injection braking start time Cn 17 starts when the motor is started The DC injection braking start frequency Cn 14 is set at the point where the DC injection braking for...

Page 76: ...0 0 25 5Hz These parameters allow the jumping over of certain frequencies that can cause unstable operation due to resonance within some driven systems Fig 9 2 2 6 Jump Frequency Settings Operation within the jump frequency range is not allowed but transitions during acceleration and deceleration through these set ranges are smooth with no jump To disable this function set the jump frequencies 1 3...

Page 77: ... reset terminal or when the power is turned off and on again When one of the multi function output terminals RA RB RC or R1A R1B R1C DO1 DO2 or R2A R2C is set to restart enabled the output will be on while the fault restart function is in progress See parameters Sn 30 Sn 32 Cn 25 Stall Prevention Level During Acceleration 30 200 Cn 26 Stall Prevention Level During Running 30 200 A motor stall can ...

Page 78: ... X 5th digit 2 Displayed as XX XX 5th digit 3 Displayed as X XXX The 1st digit to 4th digits of Cn 28 set the value of 100 frequency Example 1 If 200 0 represents a speed of 100 Cn 28 12000 60 speed is displayed as 120 0 Example 2 If 65 00 represents a speed of 100 Cn 28 26500 60 speed is displayed as 39 00 The function of Cn 28 is valid while the Engineering Unit P1 01 is 0 invalid If the Enginee...

Page 79: ...tion 1 is ON During deceleration when the Output freq is less than Freq agree detection level Cn 30 Output freq detection 1 is ON Set Sn 30 Sn 32 to 04 Output freq detection 1 Output Frequency Detection 2 OFF ON Output Frequency FWD REV Cn 31 Output Frequency Detection Signal 2 Cn 29 Cn 31 Cn 30 Cn 31 Cn 29 Cn 31 Cn 30 ON During acceleration when the Output freq is greater than Freq agree detectio...

Page 80: ...que Detection Level 2 Cn 63 Torque Detection Time 2 Parameters Cn 62 and Cn 63 are not available in version 77 01 and later Use Cn 32 and Cn 33 to set excess load detection level and time and use P3 02 and P3 03 to set load loss detection level and time Cn 34 Carrier Frequency Setting 1 6 Lowering the carrier frequency can decrease noise interference and leakage current The settings are shown belo...

Page 81: ...in baseblock time set by parameter Cn 37 In speed search operation if the inverter output current is less than Cn 35 the inverter will take the output frequency as the real frequency at that time Using the values of real frequency the inverter will accelerate or decelerate to the set frequency according to the acceleration or deceleration time While the speed search command is being performed the ...

Page 82: ...ation Start 0 0 1 0s Cn 42 S curve Characteristic Time at Acceleration End 0 0 1 0s Cn 43 S curve Characteristic Time at Deceleration Start 0 0 1 0s Cn 44 S curve Characteristic Time at Deceleration End 0 0 1 0s Using the S curve characteristic function for acceleration and deceleration can reduce mechanical shock to the machinery when stopping and starting The S curve characteristic time can be s...

Page 83: ...on Level 1 50 This parameter sets the level of detecting the PG speed deviation The value of Cn 02 Max frequency is referenced as 100 the default unit setting is 1 Cn 54 Overspeed Detection Level 1 120 Set this parameter for detecting overspeed The value of Cn 02 Max frequency is referenced as 100 the default unit setting is 1 Please refer to the setting of Sn 53 Cn 55 PID Integral Upper Bound 0 1...

Page 84: ...er capacity This value will be automatically set during auto tuning Appendix A Auto tuning Procedure Sensorless Vector Control Cn 60 Motor Mutual Inductance Lm 0 1 6553mH See parameter summary This parameter sets the motor Y equivalent model mutual inductance in mH The default setting depends upon the inverter capacity This value will be automatically set during auto tuning Appendix A Auto tuning ...

Page 85: ... 1 25 1 Cn 12 Motor line impedance Ω 5 732 5 732 2 407 2 407 1 583 1 583 0 684 0 444 0 444 0 288 0 288 0 288 Cn 13 Core loss torque compensation W 64 64 108 108 142 142 208 252 252 285 285 285 Cn 34 Carrier freq kHz 10 10 10 5 10 10 10 5 10 10 10 10 Cn 37 Min baseblock time sec 0 5 0 5 0 5 0 5 0 5 0 5 0 5 0 7 0 7 0 7 0 7 0 7 Sn 02 V F curve 01 07 1 01 07 1 01 07 1 01 07 1 01 07 1 01 07 1 Max carri...

Page 86: ... 0 5 0 5 0 5 0 5 0 5 0 7 0 7 0 7 0 7 0 7 0 7 0 7 Sn 02 V F curve 01 07 1 01 07 1 01 07 1 01 07 1 01 07 1 01 07 1 01 07 1 Max carrier freq kHz 15 5 15 5 15 15 15 5 15 10 15 5 10 5 Sn 01 setting 028 029 030 031 032 033 034 CT Sn 61 0 VT Sn 61 1 Item Name CT VT CT VT CT VT CT VT CT VT CT VT CT VT Inverter rated capacity KVA 27 4 34 41 54 68 82 110 Inverter rated current A 32 40 48 64 80 96 128 Max ap...

Page 87: ... freq kHz 10 10 10 10 10 10 Cn 37 Min baseblock time sec 0 5 0 5 0 5 0 5 0 7 0 7 Sn 02 V F curve 01 01 01 01 01 01 Max carrier freq kHz 10 10 10 10 10 10 1 Use the variable torque patterns when there is a quadratic or cubic relationship between the speed and load such as in fan or pump applications The user can properly choose the desired V f patterns Sn 02 04 05 06 or 07 based upon the torque loa...

Page 88: ...5 3 0 230 8 5 16 7 0 Hz V 60 16 1 8 3 10 50Hz Satu ration 02 High Starting Torque 11 72Hz 03 Rated Output Operation Machine Tool 90Hz 12 Variable Torque Characteristic 50Hz Variable Torque 1 04 05 1 3 25 230 8 2 57 5 0 Hz V 50 40 2 7 4 04 120Hz 13 Variable Torque 2 05 60Hz Variable Torque 3 06 07 1 5 30 230 8 2 57 5 0 Hz V 60 40 2 7 4 06 180Hz 14 Variable Torque 4 07 These values are for the 230V ...

Page 89: ...Characteristic 50Hz Variable Torque 1 04 05 1 3 25 230 7 5 55 0 Hz V 50 38 5 6 8 04 120Hz 13 13 60 1 5 3 0 230 7 5 14 0 Hz V 120 Variable Torque 2 05 60Hz Variable Torque 3 06 07 1 5 30 230 7 5 55 0 Hz V 60 38 5 6 8 06 180Hz 14 14 60 1 5 3 0 230 7 5 14 0 Hz V 180 Variable Torque 4 07 These values are for the 230V class double the values for 460V class 3 75HP inverters and multiply the value by 2 6...

Page 90: ...d been previously set by the user the values will be lost Parameters Sn 02 05 and 13 15 are reserved Sn 04 Run Source Selection 0 3 This parameter is used to select the source of run command Sn 04 0 digital operator 1 control circuit terminal 2 RS 485 communication By setting Sn 04 1 the run source will be from the control circuit terminals and the run source function will depend on the setting of...

Page 91: ...aking to Stop Fig 9 2 3 3 Whole Range DC Injection Braking to Stop After the stop command is input and the minimum baseblock time Cn 37 has elapsed DC injection braking is applied and the motor stops The DC injection braking time depends on the output frequency when the stop command is input and the setting of parameter Cn 16 DC injection time at stop is as shown in Fig 9 2 21 When the power appli...

Page 92: ...ication Sn 08 Prohibition of Reverse Run When the parameter Sn 08 is set to 1 reverse running of the motor is prohibited Sn 09 Output Frequency UP DOWN Function 0 1 The output frequency can be increased or decreased UP DOWN using the digital operator Sn 09 0 The output frequency can be changed by pressing the UP DOWN keys on the digital operator but will not be effective until the ENTER key is pre...

Page 93: ...cess Load Detection Level and Cn 33 Excess Load Detection Time must also be set An excess load condition is detected when the Excess Load Detection is enabled and the current exceeds the Excess Detection Level Cn 32 longer than the Excess Load Detection Time Cn 33 Sn 12 Function Display 0 Excess Load detection disabled 1 Detect excess load only during speed agree Continue operation after detection...

Page 94: ...ed Stall can occur when a large load is applied 1 Enabled Deceleration will start if the motor current is larger than the stall prevention level during running and continues for more than 100ms The motor is accelerated back to the reference frequency when the current falls below the level set by parameter Cn 26 Refer to Stall prevention level during running on page 3 19 Sn 17 Operation of output F...

Page 95: ...e electronic overload protection is enabled The electronic thermal overload is detected in accordance with the characteristic curves of operating time vs motor rated current setting Cn 09 Sn 23 1 The overload is detected according to the standard motor cold start curve 2 The overload is detected according to the standard motor hot start curve 3 The overload is detected according to the specific mo...

Page 96: ...is controlled by the difference of VIN and AIN When VIN AIN 0 or VIN AIN 0 main frequency switched to reverse status When Sn 24 0 2 or 3 forward or reverse is controlled by main the frequency command polarity Sn 25 Multi Function Input Terminal Function Selection Sn 26 Multi Function Input Terminal Function Selection Sn 27 Multi Function Input Terminal Function Selection Sn 28 Multi Function Input...

Page 97: ...Sp_Search ON Speed search is performed from reference frequency 23 Local Remote control I Operator Control ON Local mode control through digital operator OFF Run Source and Frequency Command is determined according to Sn 04 Sn 05 setting 24 Local Remote control II Ext Term Control ON Local mode control control circuit terminal OFF Run Source and Frequency Command is determined according to Sn 04 S...

Page 98: ...uns FWD When S1 OFF and S2 ON the motor runs REV When S1 OFF and S2 OFF the motor Stops When Sn 25 01 the 2 wire operation mode has its self sustaining function Only through the multi function input terminal can the inverter can be stopped after pressing the STOP key as shown in Fig 9 2 3 11b The switches S1 S2 and S3 are momentary switches When S1 is pressed the motor will run FWD When S2 is pres...

Page 99: ...ence of a multi step speed and jog command Fig 9 2 3 12 Timing Chart for Multi Step Speed and Jog Command 1 When parameter Sn 05 0 the frequency reference command is set by An 01 When Sn 05 1 the reference command is input from the analog terminals VIN and AIN 2 If parameter Sn 29 0 the auxiliary frequency the 2nd step frequency setting AUX frequency is input from the AUX terminal If the parameter...

Page 100: ...ency will be stored When the ramp hold signal is released the acceleration deceleration ramp will resume at the stored frequency See Fig 9 2 3 13 below Fig 9 2 3 13 Acceleration and Deceleration Ramp Hold Sn 25 28 11 Inverter Overheat Alarm When the inverter detects a overheat signal the digital operator will display Overheat Alarm and the inverter will maintain normal operation When the overheat ...

Page 101: ... Control The Run command and Frequency command is performed through the control terminal inputs or the RS 485 communication port It is set by the combination of settings of parameters Sn 04 and Sn 05 The REMOTE REF and the SEQ LED s are ON ON Local Control The Run and Frequency commands are performed through digital operator The REMOTE REF and SEQ LED s are OFF The LOCAL to REMOTE mode can only be...

Page 102: ... function input terminals or By setting parameters Sn 04 1 and Sn 05 1 the run source and frequency command is set through the control circuit terminals By setting parameter Sn 28 28 terminal will now have the UP function and its original function is disabled Terminals and can now be used for the UP DOWN function to control or change the output frequency The Operation sequence is as shown below Co...

Page 103: ... RUN command is ON the inverter will run at maximum frequency set by parameter Cn 02 and the frequency command becomes invalid Sn 25 28 30 PID control invalid 2 Sn 25 28 31 External PID Invalid Sn 25 28 32 External PID Integrator Reset Sn 25 28 33 PID Sleep Sn 29 Multi Function Analog Input Function Selection The settings and functions for the multi function analog input Terminal AUX are listed in...

Page 104: ...t The actual lower limit is determined by the maximum value of Cn 19 and the value corresponding to the multi function analog input terminal 11 Jump frequency setting4 Freq Jump 4 Sets the jump frequency 4 according to analog input voltage 0 10V while Cn 20 to Cn 23 can be used to set the jump frequency 1 3 and their jump frequency width 12 RS 485 communication application Comm Control The analog ...

Page 105: ...nction Analog Input 1V 1 0V 10V 200 1 5V 30 0V 10V 0 Multi function Analog Input 100 0V 10V 2 00 Multi function Analog Input 1 00 5 0V 0V 10V 10 0 10 5V 0V 10V 0 Multi function Analog Input 100 0V 10V 0 Multi function Analog Input 100 Multi function analog input AUX terminal used as PID control reference input 0 10V Refer to App 1 PID Application Note 0V 10V 0 Multi function Analog Input 100 This ...

Page 106: ...m digital operator Local mode 10 Frequency command mode Ref Cmd Operator ON Frequency command from digital operator Local mode 11 Excess Load Detection NO Contact Excess Load NO_Cont ON Excess Load detection N O Contact 12 Frequency command Invalid Freq Cmd Invalid ON Frequency command Invalid 13 Fault Fault ON Fault 14 Pulse signal output Pulse Mul Output Only set by Sn 31 Sn 32 Terminals DO1 DOG...

Page 107: ...ls is set as Local remote control I mode or Local remote control II mode and the input to the terminal is OFF The Remote SEQ LED on digital operator is ON ON Local Mode When parameter Sn 04 0 or the multi function input terminal is set as Local remote control I mode and contact terminal is ON The Remote SEQ LCD is OFF and the RUN command is from the digital operator Sn 30 32 10 Frequency Command M...

Page 108: ...lass 460VDC Sn 30 32 16 Inverter Overheat See Page 4 2 If the heat sink is overheating the multi function output terminal is ON Sn 30 32 17 Motor Overload See Motor overload protection selection on page 3 48 When the motor has an overload fault the multi function output terminal is ON Sn 30 32 18 Inverter Overload OL2 If the inverter has overload fault the multi function output terminal is ON See ...

Page 109: ... 26 Low Feedback Sn 30 32 27 During PID Sleep Sn 30 32 28 Low Suction Detection Sn 33 Multi Function Analog Output Terminal AO1 Selection 00 14 Sn 34 Multi Function Analog Output Terminal AO2 Selection 00 14 The multi function analog output can be set to monitor the following 12 status items as shown in Table 9 2 3 7 below Table 9 2 3 7 Multi Function Analog Output Monitor Selection Sn 33 Sn 34 Se...

Page 110: ...d value Sn 35 Pulse Output Multiplication Gain Selection 0 4 If the multi function output terminal DO1 is set as pulse output when Sn 31 or Sn 32 14 the final output pulse frequency is a multiple set by Sn 35 of the inverter output frequency Refer to Fig 6 2 36 for the pulse signal output Example When Sn 35 0 and the inverter output frequency is 60Hz the output pulse frequency is 60 Hz 50 duty cyc...

Page 111: ...the memory address of the inverter in order to control the inverter c Circuit test command To test the communication status between the inverter and external units The changes of settings Sn 36 Sn 37 and Sn 38 will be effective on the next power up after turning off the inverter Do not make the DRIVE PRGM changeover while writing the data to the inverter For further details on serial communication...

Page 112: ... can be set by parameters Sn45 to Sn 60 In auto operation mode setting the direction by operator multi function input terminal or RS 485 are all invalid In auto operation mode presetting the frequency by the multifunction input terminals and the frequency UP DOWN function is invalid However if the input JOG command is set as FJOG RJOG they will have priority refer to Sn 25 28 A Single Cycle Runnin...

Page 113: ...D Sn 49 60 0 An 01 16 Bn 21 36 Same settings as the example A Hz 20s 25s 30s 40s Bn 21 Bn 22 Bn 23 Bn 24 An 04 15Hz 30Hz 50Hz An 03 An 02 An 01 20Hz Fig 9 2 3 21c Single Cycle Auto Run with Final Step Hold The ACC DEC times will follow the settings of Bn 01 Bn 02 in Auto_Run Mode If the set values of Bn 21to Bn 36 are all zero the Auto_Run Mode is disabled Sn 61 Applied torque load 0 1 Selects eit...

Page 114: ...ing the multi function terminals Sn 65 Braking Resistor Protection Selection Please see the Appendix A PID Control Function for more details Sn 66 Motor Parameter Auto tuning Selection 0 1 Sn 66 0 Auto tuning Disable 1 Auto tuning Enable The auto tuning feature can be used to access and store the parameters of the motor Auto tuning can only be performed in the Sensorless Vector Control Mode Sn 67 ...

Page 115: ...ng and Monitoring 6 Load Loss Detection Function 7 Over Feedback Function for PID Feedback Signal 8 Low Feedback Function for PID Feedback Signal 9 Low Suction Detection Function 10 Flow Meter Display 11 Power Meter KWh Meter and Energy Cost Usage P1 01 Engineering Unit 00 25 P1 01Engineering Unit is used to setup engineering units for normal and PID operation It also sets the display format and m...

Page 116: ... F 24 h unit h 12 m s meter second 25 none P1 02 Feedback Maximum 10 9999 This parameter is used to set the maximum value of the Engineering Units selected by P1 01 provided P1 01 is not set to 00 or 01 This value then becomes the maximum that can be set by all other Engineering Unit parameters Example P1 01 2 PSI P1 02 300 then the PID Feedback Signal 0 10V 4 20mA 0 300PSI P1 01 must be set first...

Page 117: ... time either the RUN source or Frequency source is controlled by the keypad The local remote function is disabled if both Sn 04 and Sn 05 are set to 0 When P1 03 is disabled the Local Remote key operates as a JOG key The JOG function is effective if 1 The inverter is in stop mode and 2 Sn 04 0 Run source is from the keypad The following parameters pertain to the sleep function P1 04 PID sleep func...

Page 118: ...ile the PID sleep function is valid the PID wakeup direction also affects the PID function Sleep Wakeup Level P2 03 and Sleep Wakeup Delay P2 04 are used for PID Wakeup Check When the inverter is in the PID sleep mode and the PID feedback falls below or rises above direction set by P1 05 PID Wakeup Direction the sleep wakeup level P2 03 for a time exceeding the programmed wakeup delay time P2 04 t...

Page 119: ... Terminal AIN 3 Terminal AUX Terminal AUX 4 RS 485 Communication 0x0009 1000 100 0 If P1 07 and P1 08 set to the same source the Ext PID Setting Error message will be displayed Generally each of the analog input terminals AIN 0 4 20mA VIN 0 10V and AUX 0 10V can be used for the following provided that certain conditions are met 1 Frequency Command Source when Sn 05 1 2 Main PID function when SN 64...

Page 120: ...rminal AUX as the main PID set point otherwise an error message will be displayed If the AUX input is selected for use by the External PID Functions P1 07 3 or P1 08 3 Sn 29 will be set to 18 Ext PID Set point or 19 Ext PID Feedback automatically and can not be edited until input AUX is not selected as an External PID Function Source The following parameters pertain to the external PID function ga...

Page 121: ... Filter P1 10 is used to set the filter time constant 0 2 5 sec External PID Feedback Un 42 is used to monitor the feedback of the External PID Function External PID Input External PID Output and External PID Output 2 are monitored by Un 43 Un 44 and Un 45 respectively The PID Input and Output 2 can be accessed through Analog Output Terminal AO1 or AO2 by setting the corresponding parameter Sn 33 ...

Page 122: ...evel for a time exceeding the programmed Load Loss Detect Time P3 02 the inverter status will be as set by parameter P3 03 Load Loss Action as shown in the following table 9 2 4 5 Also if any of the Multi Function Outputs Sn 30 Relay Sn 31 DO1 or Sn 32 DO2 are set to 24 Load Loss Detect that output will be turned ON Table 9 2 4 5 Inverter Status vs P3 03 Value P3 03 Value Inverter Status while Loa...

Page 123: ...i Function Outputs Sn 30 Relay Sn 31 DO1 or Sn 32 DO2 or R2 Relay is set to 25 Over Feedback When PID feedback rises above the Over Feedback Level set via P3 04 for the time exceeding the programmed Over Feedback Delay Time P3 05 the inverter status will be controlled by parameter P3 06 Over Feedback Action as shown in the following table 9 2 4 6 Also if any of the Multi Function Outputs Sn 30 Rel...

Page 124: ...1 26 DO2 or R2 Relay Sn 32 26 P3 07 Low Feedback Level Sn 64 0 PID Enabled Fig 9 2 4 8 Low Feedback Detection Function If PID is enabled Sn 64 0 Low Feedback Detection is enabled if P3 09 Low Feedback Action is set to 1 or 2 or at least one of Multi Function Outputs Sn 30 Relay Sn 31 DO1 or Sn 32 DO2 or R2 Relay is set to 26 Low Feedback When the PID Feedback falls below the Low Feedback Level set...

Page 125: ...change during operation P3 16 0 With speed search 1 Without speed search P3 10 Low Suction Detect is used to select which signal is used for low suction detection as shown in the following Table 9 2 4 8 Table 9 2 4 8 Low Suction Detect Signal Selection P3 10 Value Detection Signal PID Error PID Input Output Current 1 1 0 2 0 1 3 BOTH When P3 10 Low Suction Detect is set to 1 Detect PID Error the P...

Page 126: ...ontact Output 0 Continue Running No Message No operation 1 Continue Running Over Feedback Alarm No operation 2 Shut Down Over Feedback Fault Operation 3 Shut Down and Restart Over Feedback Fault before restart Operation before restart The following Fig 9 2 4 10 is a block diagram showing the Low Suction Output function Fig 9 2 4 10 Low Suction Output Function If P3 11 Low Suction Action is set to ...

Page 127: ...4 11 Flow Meter Display Parameters Parameter No LCD Display Setting Range Factory Setting Change During Operation Modbus Address P4 01 P4 01 Flow Meter Function 0 None 1 Aux Input 2 Pulse Train Input 0 NO 0x0880 P4 02 P4 02 Max Flow for 10V AUX 00000 50000 GPM 01000 GPM NO 0x0881 P4 03 P4 03 No Flow point for AUX 0 0 5 0V 0 0V NO 0x0882 P4 04 P4 04 Pulse Multiplier 000 01 500 00 100 00 NO 0x0883 P...

Page 128: ... to 1 and one of the conditions below is satisfied 1 Sn 29 AUX Function Selection 9 PID Target 2 P1 07 External PID Set Source 3 AUX Function 3 P1 08 External PID Feedback Source 3 AUX Function P4 02 Max Flow for 10V AUX is used to set the maximum flow level in GPM which corresponds to a 10 V input to the Aux input Example P4 02 is set to 2500 GPM max flow level Aux input 0 10 V 0 2500GPM P4 03 Au...

Page 129: ...ency Hz x P4 04 P4 05 Example Input Pulse Train Frequency 60Hz P4 04 500 1 and P4 05 0 20 Flow Meter Monitor 60 x 500 1 0 2 30018 GPM The following parameters pertain to Power Meter kWH and Energy use The following Table 9 2 4 13 sows the parameters for these functions Table 9 2 4 13 Power Meter kWH and Energy use Parameters Parameter No LCD Display Setting Range Factory Setting Change During Oper...

Page 130: ...terminal voltage VIN 0 100 0 10V The voltage can be output through the multi function analog output terminal AO1 AO2 Sn 33 05 or Sn 34 05 The output voltage is the PID feedback voltage when the PID function is used Refer to App 1 PID Application Note Un 07 External Analog Command AIN The parameter can monitor the external analog terminal current AIN 0 100 0 20mA The current can be output through t...

Page 131: ...The parameter is used to count the elapsed time from the previous fault to the latest fault The setting range is 0 65536 Hr After the fault s has been cleared and system reset Un 22 will be reset to zero Un 23 The Frequency Command While Last Fault Occurred Un 24 The Output Frequency When the Last Fault Occurred Un 25 The Output Current When the Last Fault Occurred Un 26 The Output Voltage When th...

Page 132: ...ys the status of the sleep mode 1 Sleep mode active 0 Sleep mode inactive Un 36 Inverter Output Power Displays the inverter output power in kilowatts 0 0 999 9 kW Un 37 Inverter Energy Usage Displays the inverter energy usage in kilowatt hrs 0 0 999 9 kWh Un 38 Inverter Energy Usage Displays the inverter energy usage in megawatt hrs 0 0 50000 MWh Un 39 Inverter Energy Cost Displays the inverter en...

Page 133: ...tromagnetic contactor Check the source voltage and wiring Check the power capacity and power system Over Current The inverter output current becomes approx 200 and above the inverter rated current ON Extremely rapid accel Short circuit or ground fault at the inverter output side Motor capacity greater than the inverter rating High speed motor and pulse motor has been started Extend the accel time ...

Page 134: ...t a higher protection level Cn 32 Ext Faul t3 External fault signal ON Fault input of external signal and Identify the fault signal using Un 11 Ext Fault 5 External fault signal ON Ext Faul t6 External fault signal ON Ext Fault7 External fault signal ON Ext Fault8 External fault signal ON Inverter EEPROM EEPROM fault ON Disturbance of external noise Excessive impact or vibration Reset NVRAM by run...

Page 135: ...ignal is larger than the setting of P3 04 ON The feedback level is beyond the acceptable level Improper feedback detection level P3 04 Check the load or the feedback signal sensor Set a lower protection level P3 04 or longer detection time P3 05 Low Feedback Low feedback is detected while the PID feedback signal is smaller than the setting of P3 07 ON The feedback level is beyond the acceptable le...

Page 136: ...Alarm Excess Load Excess Load is detected when the output current is larger than or equal to the setting of Cn 26 However Sn 12 has been set such that the inverter continue to run and disregards the over torque warning OFF Machine error or overload Check the use of the machine Set a higher protection level Cn 32 Stall prevention operates while accelerating OFF Insufficient Accel Decel time Overloa...

Page 137: ...g Error Improper setting of Cn 18 Cn 19 OFF Upper limit and lower limit setting is incorrect Change the settings PID Sleep Setting Error Improper setting of PID function and the PID sleep function OFF The PID sleep function is valid P1 04 1 and the PID function is invalid Sn 64 0 Set PID Function valid for using PID sleep function Ext PID Parameter Setting Error Improper setting of input terminal ...

Page 138: ...nected Check if the connector is properly connected EEPROM Fault Operator EEPROM error OFF Operator EEPROM error Disable load function of operator Replace the operator Upload Error Data incorrect during Communication from the operator to the inverter OFF Incorrect inverter data format Communication noise Download the data to the operator again Check if the connector is properly connected Download ...

Page 139: ...etection Setting Error Improper setting of P3 04 and P3 07 OFF The over feedback level P3 04 is smaller than the low feedback level P03 07 Modify the Over Feedback Level and Low feedback level PID Wakeup Setting Error Improper setting of PID wakeup level and the Low Feedback Level OFF The PID wakeup level P02 03 is smaller than the Low Feedback level P03 07 and the low feedback action P03 09 is no...

Page 140: ...er explanation section 9 2 for additional details Fig A 1 MA7200 PLUS Control Modes V f Control Factory Default The V f control mode should be used when the following conditions apply 1 Using one inverter to drive several motors simultaneously In this case the rated inverter output current must equal or exceed the sum total of all of the motors connected The correct V f pattern must be set by para...

Page 141: ...n 40 Auto tuning Procedure The following steps are used for Auto tuning 1 Disconnect the motor from the load and ensure that the wiring between the inverter and the motor is sized and connected properly The difference between inverter capacity and motor rating should not be greater than two frame sizes 2 Switch to PRGM operation mode by pressing the Digital Operator PRGM DRIVE key 3 Input the Moto...

Page 142: ...4H300D6740022 2 4P106C01800B1 277831619 277830132 Q TY 1 1 1 5 MA7200 2005 N1 MODEL 7MBR50SA 060 MUBW30 06A7 CODE 4H300D6740022 2 4P106C01800C9 277831627 277830141 Q TY 1 1 1 7 5 MA7200 2007 N1 MODEL 7MBP50RA060 DF75LA80 CODE 4H300D6740022 2 4P106C0210001 277831660 4M903D1480016 Q TY 1 1 1 1 10 MA7200 2010 N1 MODEL 7MBP75RA060 DF75LA80 CODE 4H300D6740022 2 4P106C0220006 277831678 4M903D1480016 Q T...

Page 143: ...1 Cooling Fan and Braking Resistor INVERTER PARTS NAME Cooling Fan Braking Resistor HP MODEL SPEC 1 MA7200 2001 N1 MODEL KD1204PFBX MGA4012YR A10 L N20SP 12 Y2 CODE 4M903D0880002 4M903D0880002S2 3M903D1820000 Q TY 1 1 2 MA7200 2002 N1 MODEL KD1204PFBX MGA4012YR A10 L N20SP 12 Y2 CODE 4M903D0880002 4M903D0880002S2 3M903D1820000 Q TY 1 1 3 MA7200 2003 N1 MODEL AFB0624H MGA6024XR O25 L 8W 12Ω CODE 4H...

Page 144: ...8 L KD2406PTB1 MGA6024XR O25 L 60W 120Ω CODE 4H300D6040004 4H300D5790000S 1 4H300D6060021 4H300D1060007S1 3K3A4880 Q TY 2 1 1 40 MA7200 2040 N1 MODEL PSD2412PMB1 MGA12024UB O38 L KD2406PTB1 MGA6024XR O25 L 60W 120Ω CODE 4H300D6040004 4H300D5790000S 1 4H300D606002 1 4H300D1060007S1 3K3A4880 Q TY 2 1 1 Table B 1 3 230V Class NEMA1 Relay DCCT Capacitor and Digital Operator INVERTER PARTS NAME Relay D...

Page 145: ...6A CODE 271608977 4M903D1020023 4M903D1020023S1 4M903D0310010 4KA93X030T01 Q TY 1 3 2 1 15 MA7200 2015 N1 MODEL G7J 4A B DC24V HC PT075V4B15 TP75 3300uF 400V JNEP 36A CODE 3K3A2390 3M903D4030034 3M903D4030034S1 4M903D0310061 4KA93X030T01 Q TY 1 1 2 1 20 MA7200 2020 N1 MODEL G7J 4A B DC24V HC PT100V4B15 TP100 4400uF 400V JNEP 36A CODE 3K3A2390 3M903D4030042 3M903D4030042S1 4M903D0310052 4KA93X030T0...

Page 146: ...1 1 5 MA7200 4005 N1 MODEL MUBW15 12A7 CODE 4H300D6740022 2 4P106C02400A5 277830167 Q TY 1 1 1 7 5 MA7200 4007 N1 MODEL 31NAB12 6RI30G 160 CODE 4H300D6740022 2 4P106C0110006 277830621 277191067 Q TY 1 1 1 1 10 MA7200 4010 N1 MODEL 31NAB12 6RI30G 160 CODE 4H300D6740022 2 4P106C0110006 277830621 277191067 Q TY 1 1 1 1 15 MA7200 4015 N1 MODEL 7MBP75RA120 DF75AA160 CODE 4H300D6740022 2 4P106C0150008 2...

Page 147: ...6 16E CODE 4H300D6750028 2 4P106C0410000 4KA32X047S01 277112302 Q TY 1 1 3 3 1 Previous versions Code No is 4P101C0040001 2 Previous versions Code No is 4P101C0060002 Table B 2 2 430V Class NEMA1 Cooling Fan and Braking Resistor INVERTER PARTS NAME Cooling Fan Resistor HP MODEL SPEC 1 MA7200 4001 N1 MODEL KD1204PFBX MGA4012YR A10 L 5W 40Ω CODE 4M903D0880002 4M903D0880002S2 3M112Z0010006 Q TY 1 2 2...

Page 148: ...0012S2 3K3A4879 Q TY 2 1 1 40 MA7200 4040 N1 MODEL PSD2412PMB1 MGA12024UB O38 L KD2406PTB1 MGA6024XR O25 L 60W 240Ω CODE 4H300D6040004 4H300D5790000S1 4H300D606002 1 4H300D1060007S1 3K3A4881 Q TY 2 1 1 50 MA7200 4050 N1 MODEL PSD2412PMB1 MGA12024UB O38 L KD2406PTB1 MGA6024XR O25 L 60W 240Ω CODE 4H300D6040004 4H300D5790000S1 4H300D606002 1 4H300D1060007S1 3K3A4881 Q TY 2 1 1 60 MA7200 4060 N1 MODEL...

Page 149: ...CODE 3K3A2390 3M903D4030018 3M903D4030018S1 4M903D0310061 4KA93X030T01 Q TY 1 1 2 1 20 MA7200 4020 N1 MODEL G7J 4A B DC24V HC PT050V4B15 TP50 4400uF 400V JNEP 36A CODE 3K3A2390 3M903D4030026 3M903D4030026S1 4M903D0310052 4KA93X030T01 Q TY 1 1 2 1 25 MA7200 4025 N1 MODEL 942H 2C 24 DS L08P075D15 TD75A 400V 6800uF JNEP 36A CODE 4M903D2800006 4M903D3960015 4M903D4390018S1 4M903D4110007 4KA93X030T01 Q...

Page 150: ...1 Q TY 1 1 1 1 3 MA7200 2003 N4 MODEL 7MBP50RA060 CODE 4H300D6740022 4P106C04900B0 4P106C05000B5 277831660 4LA41X371S01 Q TY 1 1 1 1 5 MA7200 2005 N4 MODEL 7MBP50RA060 CODE 4H300D6740022 4P106C04900B0 4P106C05000B5 277831660 4LA41X371S01 Q TY 1 1 1 1 7 5 MA7200 2007 N4 MODEL 7MBP50RA060 CODE 4H300D6740022 4P106C01500C2 4P106C0480008 277831660 4LA41X372S01 Q TY 1 1 1 1 1 10 MA7200 2010 N4 MODEL 7MB...

Page 151: ...T MGA4024XS O10 L KD2406PTB1 MGA6024XR O25 L JNEP 36A CODE 4M903D4410001 4M903D4630001 4KA66X022S01 4M903D4640006 4M903D4640006S1 4P303C00100B7 Q TY 1 1 2 1 7 5 MA7200 2007 N4 MODEL VVZ 70 16 AFB0624H MGA6024XR O25 L PMD2408PMB1 A 2 I55 MGA8024XB O38 JNEP 36A CODE 277111331 4H300D0190004 4H300D0190004S2 4M903D4730005 4M903D4730005S1 4P303C00100B7 Q TY 1 1 2 1 10 MA7200 2010 N4 MODEL VVZ 70 16 AFB0...

Page 152: ...71S01 Q TY 1 1 1 1 3 MA7200 4003 N4 MODEL 7MBP25RA120 CODE 4H300D6740022 4P106C0490011 4P106C0500017 277831716 4LA41X371S01 Q TY 1 1 1 1 5 MA7200 4005 N4 MODEL 7MBP25RA120 CODE 4H300D6740022 4P106C0490003 4P106C0500009 277831716 4LA41X371S01 Q TY 1 1 1 1 7 5 MA7200 4007 N4 MODEL 7MBP50RA120 CODE 4H300D6740022 4P106C0150032 4P106C0460007 277831686 4LA41X372S01 Q TY 1 1 1 1 1 10 MA7200 4010 N4 MODEL...

Page 153: ...0 T MGA4024XS O10 L KD2406PTB1 MGA6024XR O25 L JNEP 36A CODE 4M903D4410001 4M903D4630001 4KA66X022S01 4M903D4640006 4M903D4640006S1 4P303C00100B7 Q TY 1 1 2 1 7 5 MA7200 4007 N4 MODEL VVZ40 16 AFB0624H MGA6024XR O25 L PMD2408PMB1 A 2 I55 MGA8024XB O38 JNEP 36A CODE 27711349 4H300D0190004 4H300D0190004S2 4M903D4730005 4M903D4730005S1 4P303C00100B7 Q TY 1 1 2 1 10 MA7200 4010 N4 MODEL VVZ40 16 AFB06...

Page 154: ...1X280S01 4LA32D019S01 Q TY 1 1 1 5 MA7200 5005 N1 MODEL 7MBR15SA 140 CODE 4LA41X258S01 4LA41X227S01 3K3A2834 Q TY 1 1 1 7 5 MA7200 5007 N1 MODEL 7MBR25SA 140 CODE 4LA41X258S01 4LA41X228S01 3K3A2835 Q TY 1 1 1 10 MA7200 5010 N1 MODEL 7MBR25SA 140 CODE 4LA41X258S01 4LA41X229S01 3K3A2835 Q TY 1 1 1 Table B 5 2 575V Class NEMA1 Cooling Fan and Braking Resistor INVERTER PARTS NAME COOLING FAN Resistor ...

Page 155: ...JNEP 36 CODE 271603711 4LA65D009S01 4LA11D003S01 4H300C0050000 Q TY 1 3 4 1 2 MA7200 5002 N1 MODEL 953 1A 24DG DC24V TK5A 4V 120uF 500V JNEP 36 CODE 271603711 4LA65D009S01 4LA11D003S01 4H300C0050000 Q TY 1 3 4 1 3 MA7200 5003 N1 MODEL 953 1A 24DG DC24V TK5A 4V 120uF 500V JNEP 36 CODE 271603711 4LA65D009S01 4LA11D003S01 4H300C0050000 Q TY 1 3 6 1 5 MA7200 5005 N1 MODEL 953 1A 24DG DC24V TA10A4V FX2...

Page 156: ... Bn 16 Bn 46 Cn 06 An 07 Bn 07 Bn 17 Cn 07 An 08 Bn 08 Bn 18 Cn 08 An 09 Bn 09 Bn 19 Cn 09 An 10 Bn 10 Bn 20 Cn 10 An 11 Bn 11 Bn 15 Cn 11 An 12 Bn 12 Bn 16 Cn 12 An 13 Bn 13 Bn 17 Cn 13 An 14 Bn 14 Bn 18 Cn 14 An 15 Bn 15 Bn 19 Cn 15 An 16 Bn 16 Bn 20 Cn 16 An 17 Bn 17 Bn 21 Cn 17 Bn 18 Bn 22 Cn 18 Bn 19 Bn 23 Cn 19 Bn 20 Bn 24 Cn 20 Bn 01 Bn 25 Cn 21 Bn 02 Bn 26 Cn 22 Bn 03 Bn 27 Cn 23 Bn 04 Bn ...

Page 157: ...50 P2 02 Un 12 Cn 49 Sn 15 Sn 51 P2 03 Un 13 Cn 50 Sn 10 Sn 52 P2 04 Un 14 Cn 51 Sn 11 Sn 53 P2 05 Un 15 Cn 52 Sn 12 Sn 54 P2 06 Un 16 Cn 53 Sn 13 Sn 55 P2 07 Un 17 Cn 54 Sn 14 Sn 56 P2 08 Un 18 Cn 55 Sn 15 Sn 57 P2 09 Un 19 Cn 56 Sn 16 Sn 58 P2 10 Un 20 Cn 57 Sn 17 Sn 59 P3 01 Un 21 Cn 58 Sn 18 Sn 60 P3 02 Un 22 Cn 59 Sn 19 Sn 61 P3 03 Un 23 Cn 60 Sn 20 Sn 62 P3 04 Un 24 Cn 61 Sn 21 Sn 63 P3 05 U...

Page 158: ...icular application The MA7200 PLUS supports two independent PID loops a Main PID control and an External PID control The main PID control is used for a process that is controlled by the motor The external PID control may be used to regulate an external function such as temperature using the inverter output terminal AO1 or AO2 Both PID loops can be used simultaneously but there are certain paramete...

Page 159: ...tion Selection 30 PID Invalid An 16 is used as frequency command PID Target Selection Sn 29 Multi Function Analog Input AUX Function Selection 9 Use terminal AUX as PID Target if Sn 05 1 others Use terminal VIN as PID Target if Sn 05 1 Some parameters have been developed mainly for fan and pump application functions as shown below and are covered in detail in application note App 2 Scaled PID Feed...

Page 160: ...valid if VIN is used as PID set point 3 From VIN AIN Fig 1 2 1 PID input Wiring Diagram An error message PID Setting Error will be displayed if all the conditions below are satisfied 1 The PID function is enabled Sn 64 1 8 2 Sn 05 1 and the value of Sn 29 is not 9 VIN is used as the PID set point 3 Sn 24 0 2 or 3 VIN is also included in the PID feedback Table 1 2 2 below shows the functions affect...

Page 161: ...depends on the combination of Sn 05 and Sn 29 1 3 PID Control Modes The PID control function will be disabled if 1 The Auto Run is set Sn 40 is nonzero value or 2 The Forced Run command is set Sn 25 28 29 and the corresponding digital input is ON or 3 Frequency UP DOWN Function Sn 28 28 is set The various control modes for PID are listed in the following Table 1 3 1 Table 1 3 1 PID Control Modes S...

Page 162: ... function with the various parameters used Fig 1 3 1 PID Block Diagram Fig 1 3 2 below shows the response of the PID function with a step input 5 ms Deviation Bn 18 Deviation Set point Target Detected Value P I D Proportional Gain Integral Time Derivative Time Bn 19 Bn 18 Bn 17 Fig 1 3 2 Response of PID Function with Step Input Cont ...

Page 163: ...he parameter Cn 56 is a low pass integral filter setting for the PID control output If the viscous friction of the mechanical system is high or if the rigidity is low causing the mechanical system to become unstable oscillate increase the setting Cn 56 so that it is higher than the oscillation period This will decrease the response time of the system but it will result in system stability The para...

Page 164: ...0 100 2 From RS 485 Communication 3 From Pulse Input 6 If both PID control invalid Sn 25 28 15 and 30 are set PID control invalid 2 30 has the priority 1 5 Adjusting the PID Control Functions The following procedure can be used to initially set up the PID loop and then adjustments can be made while monitoring the response 1 Enable PID control by setting Sn 64 1 to 8 select for the application 2 Ad...

Page 165: ...lation occurs with a longer cycle than the integral time I setting then increase the integral time I Output Increase I Bn 18 Overshoot Before After Reducing Short Cycle Oscillation If the oscillation cycle is short and it is approximately the same as the derivative time D setting then reduce the derivative time D If the oscillation still exists after setting the derivative time D to 0 00 then eith...

Page 166: ...9 Multi Function Analog Input AUX Function Selection 18 External PID Set Point Set Automatically while P1 07 3 19 External PID Feedback Set Automatically while P1 08 3 Sn 33 Sn 34 Multi Function Analog Output AO1 AO2 Function Selection 14 External PID Output 2 Set Automatically when P1 06 1 or 2 External PID Function P1 06 is used to activate the external PID function and to set output terminal AO...

Page 167: ...al PID when P1 06 1 or 2 for both set point and feedback When selected by a given function that analog input is not available for any other function and must be considered when planning for a particular application If any of the unavailable terminals are selected as the External PID Function set point or feedback source an Ext PID Setting Error message will occur Table 2 1 3 External PID Parameter...

Page 168: ... 1 shows a block diagram for the external PID function Integral Limit Ext PID Input Un 43 Limit 100 P2 10 Filter P2 08 P2 09 P2 06 Ext PID Feedback Un 42 P Gain I Time D Time Ext PID Output Un 44 Offset Limit 0 100 Ext PID Output 2 Un 45 Set Point Source 0 100 Feedback Source P1 10 P1 09 Feedback Gain P1 07 1 VIN 2 AIN 3 AUX P1 08 0 PID Disable 1 AO1 2 AO2 P1 06 0 Keypad value set by P2 05 P2 07 1...

Page 169: ... By setting one of the digital inputs Sn25 28 to 31 External PID Invalid the External PID function can be disabled by activating that input During the External PID Invalid mode the PID feedback Input Output 1 and Output 2 are equal to zero By setting one of the digital inputs Sn25 28 to 32 External PID Integration Reset the accumulated integration error can be reset by activating that input 2 3 Ma...

Page 170: ...s main PID set point 2 or 3 9 None External PID is unavailable VIN and AIN are used as main PID feedback AUX is used as main PID set point 0 2 or 3 0 AIN AUX VIN is used as main PID feedback 1 VIN AUX AIN is used as main PID feedback 2 or 3 AUX VIN and AIN are used as main PID feedback Terminal VIN is used as the main PID feedback and Sn 29 must equal 9 to set terminal AUX as the main PID set poin...

Page 171: ...isted mainly have to do with closed loop PID operations although display functions and energy monitoring are also covered There are two PID loops available the main PID loop and the external PID loop and the reader is directed to application note App 1 PID Control for an in depth treatment of these functions The main PID loop is used for applications directly affecting the operation of the inverte...

Page 172: ...Disabled Jog 0 NO 0x0602 P1 04 P1 04 PID Sleep Function 0 PID Sleep Invalid 1 PID Sleep Valid 0 NO 0x0603 P1 05 P1 05 PID Wakeup Direction 0 Feedback above 1 Feedback below 1 NO 0x0604 P1 06 P1 06 Ext PID Function 0 Ext PID Invalid 1 Ext PID AO1 output 2 Ext PID AO2 output 0 NO 0x0605 P1 07 P1 07 Ext PID Set Source 0 Set Point Parameter 1 Terminal VIN 2 Terminal AIN 3 Terminal AUX 4 Set Point RS 4...

Page 173: ...0709 P3 01 P3 01 Load Loss Det Level 000 200 030 NO 0x0800 P3 02 P3 02 Load Loss Det Time 00 0 25 5s 05 0s NO 0x0801 P3 03 P3 03 Load Loss Action 0 None 1 Load Loss Alarm 2 Load Loss Fault 0 NO 0x0802 P3 04 P3 04 Over Feedback Level 000 00 099 99 000 00 NO 0x0803 P3 05 P3 05 Over Fbk Delay Time 0000 0 6000 0s 0003 0s NO 0x0804 P3 06 P3 06 Over Fbk Action 0 None 1 Over Feedback Alarm 2 Over Feedbac...

Page 174: ...n 0 With Speed Search 1 W O Speed Search 1 NO 0x080F P4 01 P4 01 Flow Meter Function 0 None 1 Aux Input 2 Pulse Train Input 0 NO 0x0880 P4 02 P4 02 Max Flow for 10V AUX 00000 50000 GPM 01000 GPM NO 0x0881 P4 03 P4 03 No Flow Point for Aux 0 0 5 0V 0 0V NO 0x0882 P4 04 P4 04 Pulse Multiplier 000 01 500 00 100 00 NO 0x0883 P4 05 P4 05 Flow Meter Offset 0 00 0 99 0 00 YES 0x0884 P5 01 P5 01 Energy Co...

Page 175: ...eering units 2 Programmable Local Remote Switch 3 PID Sleep Functions 4 External PID Functions Input Output Terminal 5 External PID Functions Gain Setting and Monitoring 6 Load Loss Detection Function 7 Over Feedback Function for PID Feedback Signal 8 Low Feedback Function for PID Feedback Signal 9 Low Suction Detection Function 10 Flow Meter Display 11 Power Meter KWh Meter and Energy Cost Usage ...

Page 176: ... Point and Freq Command PID Feedback Monitor and Engineering parameters Set Point and Freq Command PID Feedback Monitor and Engineering parameters 0 Follow the Setting of Cn 28 XXX XX Follow the Setting of Cn 28 100 00 1 XXX XX 100 00 2 25 XXXX Parameter P1 02 P1 02 Feedback Maximum is used to set the maximum value of the Engineering Units selected by P1 01 provided P1 01 is not set to 00 or 01 Th...

Page 177: ...the inverter is in remote mode after power on and the Local Remote switch is effective only when the inverter is in stop mode Generally the local remote switch is used when Sn 04 and Sn 05 0 at the same time either the RUN source or Frequency source is controlled by the keypad The local remote function is disabled if both Sn 04 and Sn 05 are set to 0 When P1 03 is disabled the Local Remote key ope...

Page 178: ...01 0 s YES 0x0703 Un 35 Un 35 During PID Sleep 0x0041 Sn 25 Sn 28 Multi Function Input Terminal 5 6 7 8 Function Selection 33 PID Sleep 0x0119 0x011C Sn 30 Sn 32 Multi Function Output RA RB RC DO1 R2A R2C Function Selection 27 During PID Sleep 0x011E 0x0120 If the PID function is disabled Sn 64 0 and the parameter P1 04 PID Sleep Function is set to 1 PID Sleep Valid a PID Sleep Setting Error will ...

Page 179: ...g the programmed wakeup delay time P2 04 the inverter will exit the sleep mode and resume run If PID sleep is enabled and the inverter is in PID sleep mode the During PID Sleep Monitor Un 35 will be 1 If any of Multi Function Output Functions Sn 30 32 is set as During PID Sleep the corresponding output will be ON If the inverter is in PID sleep mode the accumulated integration error of the PID fun...

Page 180: ...et by parameter P3 03 Load Loss Action as shown in the following Table 1 4 2 Also if any of the Multi Function Outputs Sn 30 Relay Sn 31 DO1 or Sn 32 DO2 are set to 24 Load Loss Detect that output will be turned ON Table 1 4 2 Load Loss Action P3 03 Value Inverter Status while Load Loss Message while Load Loss 0 Continue Running 1 Continue Running Load Loss Alarm 2 Shut Down Load Loss Fault The Fi...

Page 181: ...ver Feedback Detection is enabled if P3 06 Over Feedback Action is set to 1 or 2 or at least one of Multi Function Outputs Sn 30 Relay Sn 31 DO1 or Sn 32 DO2 or R2 Relay is set to 25 Over Feedback When PID feedback rises above the Over Feedback Level set via P3 04 for the time exceeding the programmed Over Feedback Delay Time P3 05 the inverter status will be controlled by parameter P3 06 Over Fee...

Page 182: ... Loss Alarm 2 Load Loss Fault Low Feedback Detect Digital Output Select Relay Sn 30 26 DO1 Sn 31 26 DO2 or R2 Relay Sn 32 26 P3 07 Low Feedback Level Sn 64 0 PID Enabled Fig 1 6 1 Low Feedback Detection Function If PID is enabled Sn 64 0 Low Feedback Detection is enabled if P3 09 Low Feedback Action is set to 1 or 2 or at least one of Multi Function Outputs Sn 30 Relay Sn 31 DO1 or Sn 32 DO2 or R2...

Page 183: ...election 0 With Speed Search 1 W O Speed Search 1 NO 0x080F Sn 30 Sn 32 Multi Function Output RA RB RC DO1 DO2 or R2 Relay Function Selection 28 Low Suction Detection P3 10 Low Suction Detect is used to select which signal is used for low suction detection as shown in the following Table 1 7 2 Table 1 7 2 P3 10 Selection P3 10 Value Detection Signal PID Error PID Input Output Current 1 1 0 2 0 1 3...

Page 184: ... Fault Contact Output 0 Continue Running No Message No operation 1 Continue Running Over Feedback Alarm No operation 2 Shut Down Over Feedback Fault Operation 3 Shut Down and Restart Over Feedback Fault before restart Operation before restart Fig 1 7 2 below is a block diagram of the low suction output function Fig 1 7 2 Low Suction Output Function If P3 11 Low Suction Action is set to 3 Shut Down...

Page 185: ...rameter No LCD Display Setting Range Factory Setting Change During Operation Modbus Address P4 01 P4 01 Flow Meter Function 0 None 1 Aux Input 2 Pulse Train Input 0 NO 0x0880 P4 02 P4 02 Max Flow for 10V AUX 00000 50000 GPM 01000 GPM NO 0x0881 P4 03 P4 03 No Flow point for AUX 0 0 5 0V 0 0V NO 0x0882 P4 04 P4 04 Pulse Multiplier 000 01 500 00 100 00 NO 0x0883 P4 05 P4 05 Flow Meter Offset 0 00 0 9...

Page 186: ...ction 9 PID Target 2 P1 07 External PID Set Source 3 AUX Function 3 P1 08 External PID Feedback Source 3 AUX Function P4 02 Max Flow for 10V AUX is used to set the maximum flow level in GPM which corresponds to a 10 V input to the Aux input Example P4 02 is set to 2500 GPM max flow level Aux input 0 10 V 0 2500GPM P4 03 Aux for No Flow is used to offset the input signal to terminal AUX which corre...

Page 187: ...P5 02 Reset Energy Usage 0 No 1 Reset 0 YES 0x08C1 Un 36 Un 36 Output Power 0 0 999 9 kW 0x0042 Un 37 Un 37 Energy Used in kWh 0 0 999 9 kWh 0x0043 Un 38 Un 38 Energy Used in MWh 0 0 50000 MWh 0x0044 Un 39 Un 39 Energy Cost in 0 9999 0x0045 Un 40 Un 40 Cost in 10000 0 25000 0 250 Mil 0x0046 Un 36 Output Power is used to monitor the output power in kW The display range is 0 0 999 9kW Un 37 Energy U...

Page 188: ...CCB ACL RUN STOP EXTERNAL FAULT FAULT RESET 1 2 SC 3 4 5 6 7 8 0 10V 3 Ø INDUCTION MOTOR DIGITAL INPUTS PID Feedback 12V VIN AIN AUX GND 0V E A01 A02 NOTE GROUND TO BE 100Ω OR LESS E RA RB RC D01 D02 FAULT CONTACTS OUTPUT 250 VAC 30 VDC 2A SEE FIG 4 1d MA7200 PLUS 1 to 2 HP SHIELD SHIELD SEE FIG s 4a 4b and 4c SEE FIG s 4 1a 4 1b and 4 1c IP12 IG12 A A S S RS485 PORT ENCODER CONNECTIONS FAN PUMP o...

Page 189: ... 75 HP the digital inputs can be configured to operate in the SINK or SOURCE mode The inverter is configured at the factory for SINK mode i e jumper TP2 is installed in the SINK position MA7200 PLUS 3 to 75 HP SHIELD SEE FIG s 4 2a 4 2b and 4 2c NOTE For SINK mode connect to 24VG and set jumper TP2 to the SINK position Factory Default SINK SOURCE TP2 NOTE For SOURCE mode connect to 24VG and set ju...

Page 190: ... 1c below show the terminal connections for input control functions for the MA7200 PLUS 1 2 HP The connections shown are typical and the user is referred to other sections of this manual for additional information is required Fig 2 2 1d shows an example for the use of the Fault Output Relay RUN STOP Fig 2 2 1 1 2 HP MA7200 PLUS Digital Input Output Control Terminal Connections Cont ...

Page 191: ... 3 1c below show the terminal connections for input control functions for the MA7200 PLUS 3 75 HP The connections shown are typical and the user is referred to the MA7200 PLUS Manual if additional information is required Fig 2 3 1d shows an example for the use of the Fault Output Relay RUN STOP Fig 2 3 1 3 75 HP MA7200 PLUS Digital Input Output Control Terminal Connections Cont ...

Page 192: ... 2 Fan and Pump 2 4 1 2HP MA7200 PLUS Analog Feedback Control Terminal Connections Fig s 2 4 1a 2 4 1b and 2 4 1c show the analog feedback schemes 10VDC or 4 20mA for the MA7200 PLUS 1 2 HP Fig 2 41 1 2HP MA7200 PLUS Analog Feedback Control Terminal Connections Cont ...

Page 193: ... 2 Fan and Pump 2 5 3 75HP MA7200 PLUS Analog Feedback Control Terminal Connections Fig s 2 5 1a 2 5 1b and 2 5 1c show the analog feedback schemes 10VDC or 4 20mA for the MA7200 PLUS 3 75 HP Fig 2 5 1 3 75HP MA7200 PLUS Analog Feedback Control Terminal Connections ...

Page 194: ...n removing the inverter cover and or LCD Operator refer to Appendix C for the proper procedure In accordance with applicable codes make electrical connections to the motor and input power terminals Refer to the block diagram Fig A 2 11 1 for 1 2 HP or Fig A 2 12 1 for 3 75 HP No other external connections should be made at this time as the initial control will be from the Keypad Step 2 Apply Power...

Page 195: ...om the inverter is displayed in Hz as factory default If desired the output may be displayed in other units such as of full speed or engineering units such as PSI etc Freq Cmd 000 00Hz TECO To set the output frequency to 10 00 Hz key Flashing Freq Cmd 010 00Hz TECO 1 Press the RESET key twice Keypad Steps Resulting Display 2 Press the Flashing EDIT ENTER key to save 3 Press the Entry Accepted 2 Se...

Page 196: ...ct press the STOP key and wait until the fan or pump has come to a complete stop Next Power Down the inverter Danger After the power has been turned OFF wait at least 5 minutes until the charge indicator extinguishes completely before touching any wiring circuit boards or components Reverse any two of the fan or pump motor connections at the inverter U T1 V T2 or W T3 Next following STEP 2 Power u...

Page 197: ... to limit the minimum speed that the pump will operate regardless of the input speed command The pump minimum speed is usually specified either by the pump manufacturer or the application Once this value has been established the minimum output frequency of the inverter and thus the minimum motor pump speed can be set by parameter Cn 19 This parameter sets the minimum inverter frequency output and ...

Page 198: ...up The PID method of control covered will consist basically of a set point operating point e g Flow Pressure etc entered through the keypad Sn 05 0 Factory Default and a 0 10V analog transducer feedback signal Sn 24 0 connected to the control terminals These two signals are then compared and through PID processing correct for any load or environmental changes to maintain the set point Only the P p...

Page 199: ...d to the next Step Step 2 Setting up the Main PID control loop and Feedback input Before selecting the parameter s ensure the inverter is in the STOP mode To activate the main PID control parameter Sn 64 must be set to 1 The Feedback Input parameter Sn 24 is set to 1 AIN 4 20 mA as factory default To select VIN 0 10 Vdc Sn 24 must be set to 0 To set the parameter s follow the navigation procedure ...

Page 200: ...will read output frequency in Hz as the factory default and is set by parameter Cn 28 0 If Cn 28 is changed to 1 then the display will read out in The setting of Cn 28 is only valid if P1 01 0 which is the factory default Other engineering units may be selected by parameter setting P1 01 as described on the following page In this step the feedback engineering units that the system is controlling s...

Page 201: ...e P1 01 Engineering Unit 2 Press the key P1 02 Feedback Maximum EDIT ENTER key 3 Press the Feedback Maximum P1 02 1000 Flashing RESET 4 Press the Feedback Maximum P1 02 0000 Flashing RESET 5 Press the key then the Feedback Maximum P1 02 0200 Key twice key then the key Flashing EDIT ENTER key to save 6 Press the Entry Accepted 2 Seconds Feedback Maximum P1 02 0200 Flashing P1 01 02 Go to next step ...

Page 202: ...MA7200 PLUS Operating Manual TECO Westinghouse Motor Company App 2 Fan and Pump ...

Page 203: ...tem performance for the majority of Fan and Pump applications If the values need to be adjusted caution should be exercised and the changes should be in small increments to avoid system instability Parameters Bn 01 Acceleration and Bn 02 Deceleration are both set at the factory for 10 0 seconds For Fan and Pump applications the recommended starting values are 30 seconds To change these parameters ...

Page 204: ...04 NOTE In the case of a Fan application skip this step and go to Step7 The PID Sleep function is turned on by parameter P1 04 when set to 1 This allows the system to turn off the PID and thus the inverter output so that the pump does not run when the system level PSI is above the set point This sleep start level is set by parameter P2 01 in a range from 0 100 of the maximum inverter output When t...

Page 205: ... 5 sec set by P2 04 005 0 Referring to Step 3 set the engineering units to PSI P1 01 02 and then the range to 200 P1 02 0200 The following shows the keypad navigation sequence in setting the PID parameters NOTE The inverter must be in the Stop mode in order to turn on the sleep function PRGM DRIVE DSPL Key 4 times Keypad Steps Resulting Display 1 Press the 2 Press the 3 Press the key An 01 Freq Cm...

Page 206: ...ual TECO Westinghouse Motor Company App 2 Fan and Pump key 1 Press the 2 Press the 3 Press the key and the the key twice and then the Sleep Wakeup Level key to 4 Press the 2 Seconds Flashing Flashing key key Flashing 1 0 1 Cont ...

Page 207: ...em The system can now be tested for performance To do this set the set point through the keypad and run the drive at some low level and check that the motor is operating properly and that the feedback signal level and polarity are correct Check the system for dynamic operation and make any adjustments necessary for optimum performance This may require making adjustments to parameters Bn 17 proport...

Page 208: ...ter any such products which are defective within the warranty period In the event of warranty claims TWMC must be notified promptly following any product failure The product shall be sent to a TWMC authorized service center for diagnosis of the cause of failure TWMC will not be responsible for any repair that has been performed without prior written permission from TWMC The repair or replacement o...

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