SAF MS6-125 Installation & Operating Procedures Download | Manualshive

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MS6 REDUCED VOLTAGE STARTER

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10.5 THREE WIRE CONTROL WITH SHORTED SCR DETECTION

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Summary of Contents for MS6-125

Page 1: ...Installation Operating Procedures Opal Pro MS6 Series SOLID STATE REDUCED VOLTAGE STARTER FOR 3 PHASE INDUCTION MOTORS ...

Page 2: ...Opal Pro MS6 SERIES SOLID STATE REDUCED VOLTAGE STARTER FOR 3 PHASE INDUCTION MOTORS Revision 1 08 01 2011 ...

Page 3: ...MS6 REDUCED VOLTAGE STARTER Page 2 ...

Page 4: ...rawings and technical representations included in this manual are for typical installations and should not in any way be considered for specific applications or modifications Consult SAF OPAL Starters for supplemental instructions SAF Drives Inc accepts no liability for any consequences resulting from inappropriate negligent or incorrect installation application or adjustment of this equipment The...

Page 5: ...MS6 REDUCED VOLTAGE STARTER Page 4 ...

Page 6: ...S IN PARALLEL 9 2 SPECIFICATIONS 10 2 1 POWER RATING 10 2 2 MAXIMUM RATINGS 10 2 3 SERVICE CONDITIONS 10 2 4 FUSE SIZING 11 2 5 DIMENSIONS 12 2 5 1 STANDARD UNIT 12 2 5 2 REVERSING UNIT OR STANDARD UNIT WITH DC INJECTION 12 3 TERMINALS 13 4 KEY PAD OPERATION 15 5 INSTALLATION AND START UP 16 5 1 INSPECTION 16 5 2 SAFETY PRECAUTIONS 16 5 3 MOUNTING GUIDELINES 16 5 4 WIRING GUIDELINES 17 5 5 START U...

Page 7: ...EED REVERSING 21 7 7 DC INJECTION BRAKING 22 8 PARAMETERS 23 9 SPARES 28 9 1 SPARE PARTS 28 9 2 SCR INSTALLATION PROCEDURE 28 10 CONNECTION DRAWINGS 29 10 1 TWO WIRE CONTROL 29 10 3 THREE WIRE REVERSING 31 10 4 THREE WIRE WITH BY PASS 32 10 5 THREE WIRE CONTROL WITH SHORTED SCR DETECTION 33 10 6 DCI FOR 80 AMP UNITS AND BELOW 34 10 7 DCI FOR 125 AMP UNITS AND ABOVE 35 10 8 INTEGRATED BY PASS 36 ...

Page 8: ...f starting an AC induction motor 1 1 1 STANDARD FEATURES 200 600 VAC 3 phase universal voltage 50 60Hz with no adjustment Single control card through out Opal Pro range Current regulated closed loop Dual operation modes to match any application Constant Current mode for light loads or limited power supplies Current Ramp mode for high inertia or heavy loads Soft stop Jog Speed 14 of full speed forw...

Page 9: ...is of choosing the correct starting mode is determining the problem to be solved 1 2 2 CHOOSING STARTING MODE Constant Current Mode Soft Starting for light loads or reducing starting current are accomplished by using the Constant Current Mode On some applications the starting time is still too fast in the current ramp mode because the load is too light In this application it is best to select the ...

Page 10: ...oad current can provide 100 starting torque unlike squirrel cage NEMA B motors which would require 500 current The resistor bank may be shorted with a contactor at full speed to reduce the slip and eliminate the watt losses in the resistors Other Types of AC Motors Opal Pro starters may also be used to start 2 speed motors with multiple windings or connections Proper contactor selection and sequen...

Page 11: ...s or circuit breaker supplied upon request 2 2 MAXIMUM RATINGS HORSE POWER OPAL PRO MODEL 230VAC 460VAC 575VAC MS6 30 10 25 30 MS6 50 20 40 50 MS6 80 30 60 75 MS6 125 40 100 125 MS6 250 100 200 250 MS6 420 175 350 420 MS6 500 200 400 500 MS6 600 200 500 600 MS6 800 300 600 800 HP Rating for estimate only Size by motor FLA 2 3 SERVICE CONDITIONS Elevation For altitudes in excess of 1000 meters 3300...

Page 12: ...5 150 125 90 75 200 150 100 40 100 200 150 MS6 125 125 50 100 125 250 200 150 60 125 150 300 225 180 75 150 400 250 200 200 400 300 MS6 250 250 100 200 250 500 350 300 125 250 300 600 450 L FUSE AMPS 360 150 300 600 500 MS6 420 400 400 600 600 MS6 500 500 200 400 500 800 600 L FUSE AMPS MS6 600 600 250 500 600 900 800 700 300 700 1000 1000 720 600 1100 1000 MS6 800 800 800 1200 1200 840 700 1400 1...

Page 13: ... MS6 800 CH 68 6cm 27 61cm 24 38 1cm 15 56 7kg 125 lbs MS6 1000 CH 68 6cm 27 61cm 24 38 1cm 15 56 7kg 125 lbs 2 5 2 REVERSING UNIT or STANDARD UNIT WITH DC INJECTION DIMENSIONS MODEL HEIGHT WIDTH DEPTH WEIGHT MS6R 30 N1 43 2cm 17 30 5cm 12 26 75cm 10 5 13 6kg 30 lbs MS6R 50 N1 43 2cm 17 30 5cm 12 26 75cm 10 5 13 6kg 30 lbs MS6R 80 N1 43 2cm 17 30 5cm 12 26 75cm 10 5 13 6kg 30 lbs MS6R 125 CH 62cm ...

Page 14: ...ted stop mode in 2 wire control 5 Jog Input 120VAC Maintained normally open switch used to activate jog function 6 Reverse Input 120VAC Maintained normally open switch used to activate reverse function if installed If activated along with JOG the unit will run in reverse jog mode 7 Reset Input 120VAC Momentary normally open switch use to reset a fault 8 Enable Input 120VAC Maintained normally open...

Page 15: ... by pass contactor is to large 5amps This relay will energize once the Opal Pro has phased full on and the motor current has dropped below 110 of the nameplate current 15 Shorted SCR Relay Common 16 Shorted SCR Relay N C 17 Shorted SCR Relay N O This relay is energized when a shorted SCR is detected and should be used to trip a shunt trip breaker 18 Run Relay Common 19 Run Relay N O This relay is ...

Page 16: ...parameters can be scrolled through using the up and down arrow keys If a parameter is to be modified the ENTER key must be pressed and the parameter value will now blink At this point it is possible to change the parameter setting using the up and down arrow keys When the desired setting is reached the ENTER key should be pressed again and the blinking of the parameter will now stop and the new pa...

Page 17: ...pment parts The electrical code requires all equipment starter motor operator station etc to be grounded properly An incoming circuit breaker or disconnect switch must be locked open before wiring or servicing this starter motor or other related equipment This equipment must be installed and serviced only by qualified personnel familiar with this starter The user is responsible for ensuring that p...

Page 18: ... full speed In line contactors are not required however they can be used on the line side or the motor side without detriment to the starter It is recommended that the contactor be sequenced to open and close under no load conditions to prolong the life of the contacts Size the power wiring as per local code On long wire runs it is recommended to use a larger wire size All three phases of the inco...

Page 19: ...meplate service factor Set group 14 parameters if a communication module is installed on the Opal Pro Set group 15 parameters for the desired fault conditions Check for the red LED on the keypad to be NOT illuminated if it is illuminated there is a fault which will be shown on the LCD display of the keypad Check for the green LED on the keypad to be illuminated if it is not the ENABLE signal termi...

Page 20: ...and the motor is up to speed this fault will be triggered if the current goes above 300 this fault can be disabled in group 15 parameter 1 SHORTED SCR Shorted SCR Fault this fault will not be triggered until the motor is commanded to start this fault cannot be disabled HEAT SINK OT Heat Sink Over Temperature One of three temperature switches mounted on the heat sink has been triggered These switch...

Page 21: ...by pass contactor is opened while the SCR s are triggered fully on limiting the power contacts opening voltage The SCR s are then switched off without having any voltage surge When a by pass contactor is used in conjunction with reversing the REV contact must be used to drive a slave relay that inter locks the two by pass contactors to ensure proper sequencing of the contactors This option require...

Page 22: ...1 and T1 The resistance should be greater than 10Kohms If it is a short either SCR 1 or 2 is bad Repeat this for L2 and T2 which will check SCR s 3 and 4 Then finally check L3 and T3 which will check SCR s 5 and 6 7 6 SOLID STATE FULL SPEED REVERSING This option provides a smooth current controlled motor rotation reversal without any current surge or torque jerk Motor stopping is not required Addi...

Page 23: ...rate it to zero speed When stop is commanded the Opal Pro shuts off for 2 seconds to allow the voltage across the motor to drop The DC injection current is then applied at a level set in parameter 1104 for the amount of time set in parameter 1105 It does not provide zero speed sensing although if two wire control is used terminal 4 can be used to disable the DC injection activated enabled If braki...

Page 24: ...ad Only 104 Line 2 to line 3 volts Read Only 105 DI1 DI5 Status right most bit Start Stop Jog Reverse Reset Read Only 106 Analog input 1 value Read Only 107 Relay Status right most bit Run relay By Pass relay Shorted SCR relay Reverse relay Fault relay Read Only 108 Analog output 1 value Read Only 2 Version Info 201 Stack size in Amps Read Only 202 Communication Module Type Read Only 203 Firmware ...

Page 25: ...ble but still high enough so that the motor begins to rotate and soon and the start command is applied if the Ramp time is set to 0 parameter 1002 then this is the value of current in percent of motor nameplate current entered in parameter 1301 that the Opal will be limited to constantly 20 400 Read Write 1004 IREF Current Reference Internal means the current reference is generated internally from...

Page 26: ...econds Read Write 11 Stop Control 1101 Stop Mode Coast means that the Opal will inhibit firing of the SCR s as soon as the stop command is received Soft Stop means that the Opal will ramp down the current in the amount of time specified in parameter 1102 Coast Soft Stop DC Injection Read Write 1102 Sft Stop Step This is the amount of motor voltage that the output will step down to when a stop is c...

Page 27: ... slave node that the Opal will be seen as This parameter is only accessible if a Modbus Slave card is installed in the Opal 1 7 Read Write 1402 MB Slv Baud Rate This is the baud rate that the MB Slave card will attempt to communicate This parameter is only accessible if a Modbus Slave card is installed in the Opal 300 Kbaud 1200 Kbaud 2400 Kbaud 4800 Kbaud 9600 Kbaud 19200 Kbaud 38400 Kbaud 57600 ...

Page 28: ...y time that the current feedback is above the name plate current parameter 1301 multiplied by the service factor parameter 1303 this level will decrease any time that the current feedback is below that level if this level reaches 100 and the drive trips a reset will not be allowed until this level has decreased to 15 Read Only 1504 Comm Flt this will enable or disable the communication fault if a ...

Page 29: ... SCR T268320 8500 1 CA530 CA532 500 O210050 MS6 600 N718153 1200A SCR T268320 8500 1 CA530 CA532 600 O210050 MS6 800 N718552 1500A SCR T261321 10000 1 CA530 CA532 800 O210050 9 2 SCR INSTALLATION PROCEDURE Clean both heat sink and SCR surfaces Apply a thin layer of joint compound Noalox to both SCR surfaces Observe correct SCR polarity Install SCR so that roll pins engage dimples on both sides of ...

Page 30: ...MS6 REDUCED VOLTAGE STARTER Page 29 10 CONNECTION DRAWINGS 10 1 TWO WIRE CONTROL Enable must be closed for starter to operate ...

Page 31: ...MS6 REDUCED VOLTAGE STARTER Page 30 10 2 THREE WIRE CONTROL Enable must be closed for starter to operate ...

Page 32: ...MS6 REDUCED VOLTAGE STARTER Page 31 10 3 THREE WIRE REVERSING Enable must be closed for starter to operate ...

Page 33: ...MS6 REDUCED VOLTAGE STARTER Page 32 10 4 THREE WIRE WITH BY PASS Enable must be closed for starter to operate ...

Page 34: ...MS6 REDUCED VOLTAGE STARTER Page 33 10 5 THREE WIRE CONTROL WITH SHORTED SCR DETECTION Enable must be closed for starter to operate ...

Page 35: ...MS6 REDUCED VOLTAGE STARTER Page 34 10 6 DCI FOR 80 AMP UNITS AND BELOW Enable must be closed for starter to operate ...

Page 36: ...MS6 REDUCED VOLTAGE STARTER Page 35 10 7 DCI FOR 125 AMP UNITS AND ABOVE Enable must be closed for starter to operate ...

Page 37: ...V PROTECTED 3PH GND FU3 L3 FU2 L2 CA532 CT1 CT2 CT3 CT2 CT3 FU1 L1 CT1 TERMINALS 2 AND 9 ARE NOT INTERNALLY CONNECTED 3 TO 9 BE DIFFERENT THAN THE 120VAC SUPPLY USED THEREFORE IF DESIRED THE 120VAC SUPPLY FOR TERMINALS FOR TERMINAL 1 AND 2 UNOTE BYPASS RELAY 17 BPR 1 37 BYPASS 13 11 10 12 FAULT CA530 15 14 16 SHORTED SCR REV 18 20 19 RUN 21 ANALOG IN COM ANALOG OUT COM 23 22 24 25 SCR2 K4 TO SCR G...

Page 38: ...www safdrives com email answers opalstarters com Replies given within 24 hours 18 Neville Street Unit C New Hamburg ON N3A 4G7 Tel 519 662 6489 Fax 1 866 280 5247 www opalstarters com ...

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