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MTS Systems MPA-05-460, Manual

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MTS Systems MPA-05-460 Manual Download Page 28

28 

Grounding 

 

 

The ac supply source for the amplifier is supposed to be bonded to earth ground. 

 

Typical WYE Secondary 
 

 

L1 (HOT)

L2 (HOT)

L3 (HOT)

GND

EARTH
GROUND

 

 

Typical Delta Secondary 
 

EARTH
GROUND

L2 (HOT)

GND

L1 (HOT)

L3 (HOT)

 

 

These are the two most typical transformer configurations and failure to ground these 
properly could void warranty. 

Summary of Contents for MPA-05-460

Page 1: ...by MTS Automation During the warranty period a defective amplifier unit will be repaired or replaced as outlined below Before requesting return authorization please try to verify that the problem is w...

Page 2: ...upon your receipt of the replacement Non Warranty Service Return your defective unit freight prepaid and it will be repaired on a time and material basis and returned within three weeks of receipt OR...

Page 3: ...logic supplies are switch mode designs reducing undesired heat LED indicators for diagnostics are provided Encoder simulated TTL compatible differential quadrature outputs plus an index output are pr...

Page 4: ...ver feedback Simulated encoder signals 10 Vdc for maximum velocity or torque 24 volt I O for LIMIT RESET VEL TORQUE mode 2 differential analog channels command and auxiliary LED diagnostic indicators...

Page 5: ...r Thermal HI BUS Overspeed Encoder Simulation TTL Differential Output Plus Index Phase Quadrature Line Count select with DIP switch Standard 250 360 400 500 720 1000 1024 2000 and 4096 Electrical Char...

Page 6: ...PWM frequency 12 kHz Single phase 60 amps continuous max Three phase 40 amps continuous max DC Bus is AC line dependent MPA 75 460 Output Input 75 amps continuous 120 amps peak peak 1 second PWM freq...

Page 7: ...5 460 MPA 25 35 50 460 MPA 75 100 460 12 lbs max 14 lbs max 20 lbs max 45 lbs max Motor Inductance For all 460 volt products the inductance line to line must be no less than 4mH IND 100 5mH IND 25 460...

Page 8: ...13 6 14 6 FRONT VIEW 5 RECOMMENDED 11 25 SIDE VIEW Summary of Amplifier Dimensions Model A inches B inches C inches MPA 05 09 15 460 6 5 4 5 53 MPA 25 35 460 8 5 6 5 53 MPA 50 460 8 5 6 5 2 2 NOTE If...

Page 9: ...9 MPA 75 100 460 Mechanical Footprint SIDE VIEW 1 64 11 63 5 RECOMMENDED 15 2 5 5 5 5 13 6 14 6 3 15 31 NOTE FRONT VIEW NOTE If front cover is attached additional clearance of 2 should be allowed...

Page 10: ...LEAD SIG RESP CUR BAL RESET FEEDBACK SHLD SHLD GND GND GND GND REF COS TS SIN I O GND AUX AUX GND COM COM CUR VEL GND FLT V T LIM LIM RES CONTINUOUS LIMIT RESET HI BUS MOTOR FEEDBACK AMPLIFIER SHORTS...

Page 11: ...hould not be run adjacent to any non shielded high voltage wires such as the motor wires RST If the wiring cannot be separated the RST motor leads should also be 100 shielded It is highly recommended...

Page 12: ...12 ANF3 User Configuration Locations NOTE Never change DIP switches or jumpers with power ON...

Page 13: ...ration Never change the switch settings of S2 with power ON DIP SWITCH S2 S2 1 2 3 Motor Type ON ON ON 8 POLE OFF ON ON 6 POLE default ON OFF ON 4 POLE OFF OFF OFF BRUSH All MTS Automation two inch mo...

Page 14: ...urs STATOR SHORTS If stator shorts or most major wiring errors of the stator occur this fault occurs AMPLIFIER THERMAL An 85 C thermostat is mounted to the amplifiers IGBT heat sink If an excess tempe...

Page 15: ...PATIBLE 2 THEY SHOULD BE CONNECTED TO COMPATIBLE DIFFERENTIAL RECEIVERS 3 THE BEST SHIELDING APPROACH WOULD BE TO CONNECT THE SHIELD AT THE AMPLIFIER END ONLY 4 ALL SIX WIRES AND A GND CONNECTION SHOU...

Page 16: ...N 400 OFF OFF ON ON 1024 default ON ON OFF ON 250 OFF ON OFF ON 1000 ON OFF OFF ON 720 OFF OFF OFF ON 360 OFF OFF OFF OFF 4096 14 bit only The normal factory configuration of 2 Channel quadrature prov...

Page 17: ...any of the provided GND terminals I O Wiring Example LEAD SIG RESP CUR BAL RESET I O GND AUX AUX GND COM COM CUR VEL GND FLT V T LIM LIM RES ENCODER The actual decision as to open or closed switches...

Page 18: ...sistor can sink two amps and it can withstand 110 volts DC when OFF If this inverted output is used consideration for the Power Up Reset Input may be required For example during power up a reset would...

Page 19: ...stments If the COMMAND voltage is applied to the COMMAND signal input then an opposite shaft rotation occurs The operation of the AUXILIARY inputs is the same as the COMMAND inputs The normal purpose...

Page 20: ...ll CW is maximum response and full CCW is minimum LEAD The location of these adjustments is next to the I O wiring FEEDBACK AND I O CONTROL ASSEMBLY LEAD SIG RESP CUR BAL RESET I O GND AUX AUX GND COM...

Page 21: ...versed 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CMD GND COM COM 1 2 3 1 2 3 1 2 3 GND COMMAND TYPICAL EXTERNAL CONTROLLER WITH DIFFERENTIAL DRIVERS MPA AMPLIFIER I O AND ANALOG INPUTS MPA AMPLIFIER The most t...

Page 22: ...he motors KE value and the amplifiers bus voltage will also limit the maximum speed The amplifiers SIG pot controls the amount of command voltage and velocity from the external controller The best per...

Page 23: ...3 EXTERNAL BRUSHLESS TAC INTERNAL RESOLVER TAC SW3 R139 R138 13K 13K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 C109 022M C92 047M C93 1M R137 51K 51K R159 R158 100K R157 200K R156 390K VEL TP23 U39A LM3...

Page 24: ...hieve higher line density simulated encoder selections or higher TAC gradients SW3 is used to alter the TAC gradient and works in conjunction with SW1 to achieve stability on high inertia loads S2 swi...

Page 25: ...is based on a short procedure 1 Add lead compensation in the smallest increment 2 Make a small alteration of the lag resistor then capacitor 3 Check for adequate RESP adjustment range 4 Repeat sequenc...

Page 26: ...51K LEAD 1 2 3 TP1 R81 1K 1 2 3 TL084A U31A TACH R57 2K C30 C31 C32 C33 C34 C35 C36 047M 1M 22M 47M 47M 22M 047M RESP Overspeed Shut Down The overspeed shut down circuit converts the TAC gradient into...

Page 27: ...current rating of the device must to be equal to or higher than closest match the values in the table Make sure that the device has the appropriate voltage rating Use only slow blow fuses or thermal...

Page 28: ...o be bonded to earth ground Typical WYE Secondary L1 HOT L2 HOT L3 HOT GND EARTH GROUND Typical Delta Secondary EARTH GROUND L2 HOT GND L1 HOT L3 HOT These are the two most typical transformer configu...

Page 29: ...29 The MPA amplifier does not care where the earth ground is This example is a delta secondary Delta Secondary L2 NEUTRAL GND L1 HOT L3 HOT EARTH GROUND In this example L2 became ground...

Page 30: ...n ungrounded Delta secondary connection The examples show acceptable A1 A2 and A3 and unacceptable U1 U2 U3 configurations If it is not possible to visually inspect the transformer configuration you c...

Page 31: ...a transformer with a grounded secondary may need to be added to the system before power is applied If you find one of the unacceptable connections above you must A Ground the secondary if possible B...

Page 32: ...s MPA 25 460 25 amps MPA 35 460 35 amps MPA 50 460 50 amps MPA 75 460 75 amps MPA 100 460 100 amps For operation at 460 Vac it is recommended that the stator wiring insulation withstand 600 volts MOTO...

Page 33: ...dependent loading The shunt loads are thermally protected to 85 maximum there is a fuse in series with the shunt load to limit average power in the shunt and if this fuse blows then another circuit me...

Page 34: ...Continuous Watts from the Shunt Loads to the amplifier thermal losses if the application is bus pumping The drives can be supplied with different shunt loads as options and in some instances it is a...

Page 35: ...35 Shunt Amplifier Wiring...

Page 36: ...36 EXS 50 100 460 Mechanical Footprint 0 5 6 16 0 15 5 0 5 0 0 1 0 8 5 9 5...

Page 37: ...MPA 24 35 50 75 100 models the inductance line to line must be no less than 4mH One inductor in each line is typical The turn ON times of the power switches can cause catastrophic destruction of moto...

Page 38: ...38 Inductor Mechanical Footprint loose parts Typical IND 100 5mH 5 25 4 81 44 0 0 42 3 85 4 27 6 35 0...

Page 39: ...39 Typical IND 25 460 2mH 4 60 0 3 39 3 10 29 0 0 25 3 05 3 30 20 3 75 Clearance...

Page 40: ...states to minimal levels The MPA amplifier that has this option will have two additional terminals identified with an isolated 120 Vac input sticker This is a low power 50 100 V A 120 volt input that...

Page 41: ...41 Typical S Three Phase 460V Amplifiers...

Page 42: ...n frequency used for the resolver reference may also be effected For the most demanding applications the motors can be instrumented with a brushless tachometer to improve the quality of the velocity s...

Page 43: ...E BLUE WHITE BLUE YELLOW BLACK RED YELLOW WHITE RED WHITE MOTOR R S T GND MOTOR STATOR POWER WIRING The amplifier is further changed so that the brushless TAC signal is processed through the amplifier...

Page 44: ...ustment of RESP For start up verification of wiring with external position controls the following simple test can be used to verify the phase relationship With the current limit turned full CCW or wit...

Page 45: ...45 Typical Wiring...

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