MTS Systems MAXPLUS 211 Manual Download Page 19 | Manualshive

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19

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. These can be either 230 or 460 Vac depending on the amplifier model.

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Summary of Contents for MAXPLUS 211

Page 1: ...ment 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...

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: ...value instead of bi polar The amplifier can be configured to have internal ramping of the command signal input with a range of two to ten seconds The normal slow output can be configured as an at spe...

Page 4: ...Speed Shift Slow Output open collector Fault Output open collector Note 30 volts open circuit 15 amps max when ON Fault Protection Shorts Stator Amplifier Temperature Feedback Resolver Tracking Motor...

Page 5: ...to line must be no less than 4mH The turn ON times of the power switches can cause catastrophic destruction of motors Inductors in RST of the motor leads limit the rise time and preserve the motor Al...

Page 6: ...FRONT VIEW Summary of Amplifier Dimensions MODEL A in B in C in D in MPA 25 SPN 6 5 4 5 0 53 10 63 MPA 35 SPN 8 5 6 5 0 53 10 63 MPA 50 SPN 8 5 6 5 1 3 10 63 MPA 75 SPN 8 5 6 5 3 0 11 25 MPA 50 460 S...

Page 7: ...UX SIG RESP CUR BAL RESET FEEDBACK SHLD SHLD GND GND GND GND REF COS TS SIN CONTINUOUS LIMIT RESET HI BUS MOTOR FEEDBACK AMPLIFIER SHORTS CURRENT MARK ENCODER POWER I O GND AUX AUX GND COM COM CUR TAC...

Page 8: ...wiring should 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 rec...

Page 9: ...cur this comes ON AMPLIFIER THERMAL An 85 C thermostat is mounted to the amplifiers IGBT heat sink and shunt load If an excess temperature is sensed this fault occurs FEEDBACK WIRING For most resolver...

Page 10: ...COMPATIBLE 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 S...

Page 11: ...ENCODER I O GND ORIENT RAMPS GND COM COM CUR TAC GND FLT SHFT SLOW SPD ENB I O WIRING EXAMPLE The actual decision as to open or closed switches occurs at a voltage level between 5 8 volts DC Less tha...

Page 12: ...e relays based on the amplifier control inputs There are two outputs Fault and Slow These are open collector NPN 2N7053 transistors with their emitters connected to GND Each output can be connected to...

Page 13: ...control velocity and the SIG pot is used for velocity adjustments If the COMMAND voltage is applied to the COMMAND signal input then an opposite shaft rotation occurs The current limit of the amplifi...

Page 14: ...LY AUX SIG RESP CUR BAL RESET ENCODER I O GND ORIENT RAMPS GND COM COM CUR TAC GND FLT SHFT SLOW SPD ENB Outputs Two diagnostic outputs are the dc voltage proportional to velocity and the dc output pr...

Page 15: ...e COM and COM connections must be reversed 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 AN...

Page 16: ...s ten where ten equals the amplifiers continuous current With the jumper in absolute the proportional voltage is always positive for either plus or minus motor current JP4 SLOW STANDARD AT SPEED The p...

Page 17: ...P9 RESETABLE FAULTS STANDARD NON RESETABLE FAULTS When JP9 is in the left position default the amplifier must be power cycled to reset any faults In the right position the faults can be cleared with t...

Page 18: ...st be consistent with any local codes national electric codes and be able to withstand the voltage current ratings applied A ground terminal is supplied and should be connected to earth ground Interna...

Page 19: ...l 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 thes...

Page 20: ...transformers to depict all combinations 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 ex...

Page 21: ...an 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...

Page 22: ...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 23: ...ized K7 Energized High Speed K6 K7 Energized NO NO NC NC P S Y D CONTROL 1 2 3 4 5 6 7 8 P S D Y RELAY BOX K7 K6 N L 120V AC AMPLIFIER AUX SIG RESP CUR BAL RESET ENCODER I O GND AUX AUX GND COM COM CU...

Page 24: ...24 Dual Winding Schematic...

Page 25: ...l Locked Rotor MPA 25 SPINDLE 25 Amps MPA 35 SPINDLE 35 Amps MPA 50 SPINDLE 50 Amps MPA 75 SPINDLE 75 Amps MPA 50 460 SPINDLE 50 Amps For operation at 460 Vac it is recommended that the stator wiring...

Page 26: ...om this application dependent loading The shunt loads are thermally protected to 85 maximum There is a fuse in series with the shunt load that limits the average power in the shunt If this fuse blows...

Page 27: ...e from the ambient temperature and the amplifier will thermally shut down once the 85 condition is sensed at either the bridge or the shunt load A guideline for enclosures would be to assume that the...

Page 28: ...unt load outside of the amplifier The EXS suffix applied to the amplifier model provides for the interconnection of the external shunt load There are three available external shunt loads They are desi...

Page 29: ...29 Shunt Amplifier Wiring...

Page 30: ...30 EXS Mechanical Footprint 0 5 6 16 0 15 5 0 5 0 0 1 0 8 5 9 5...

Page 31: ...ductance specification is assured 230 volt models are 2mH and 460 volt models are 4mH Since the inductors can become very hot it is recommended that they be wired external to the amplifier enclosure b...

Page 32: ...32 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 33: ...33 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 34: ...nclosure and there is a requirement to reduce the effects of radiated noise the inductors are available pre mounted in an enclosure To properly reduce the affects of radiated noise the motor cable RST...

Page 35: ...35 Inductor Box IBX 50 1mH R S T R S T 0 000 1 500 2 000 10 000 10 500 12 000...

Page 36: ...ustment is done at spindle speeds of 50 100 rpm The adjustment should be checked on all the possible speeds For start up verification of wiring with external position controls the following simple tes...

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