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Manual Siemens MCC-3298

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  • Siemens MCC-3298 - page 1

    Manual No. MCC-3298 SAMMS-L V Siemens Advanced Motor Master System for Low V oltage Motors User's Manual 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ™ ...

  • Siemens MCC-3298 - page 2

    The use of unauthorized parts in the repair of the equipment or tampering by unqualified personnel will result in dangerous conditions which will cause severe personal injury or equipment damage. Follow all safety instructions contained herein. IMPORTANT The information contained herein is general in nature and not intended for specific application ...

  • Siemens MCC-3298 - page 3

    1 1 Introduction ............................................. 2 1.1 About this Manual ............................................ 3 1.2 About the SAMMS-L V Device ........................... 3 1.2.1 The SAMMS-L V Device Models .............. 4 1.2.2 Advanced Pr otection for Low-V oltage Motors ................................................... 4 ...

  • Siemens MCC-3298 - page 4

    2 1 Intr oduction 1 Intr oduction The SAMMS-LV  electronic motor control and protection device is designed and manufactured in accordance with the latest applicable provisions of the National Electric Code, Underwriters Laboratories Standards and Procedures, NEMA Standards, and the National Electric Safety Code. You must thoroughly read and unde ...

  • Siemens MCC-3298 - page 5

    3 1 Intr oduction 1.1 About this Manual This manual introduces you to the Siemens Advanced Motor Master System (SAMMS-LV) motor protection and control relay which incorporates protection designed for low voltage motors. This manual also contains information for installing and operat- ing the device, communicating with other devices over the ACCESS ...

  • Siemens MCC-3298 - page 6

    4 1 Intr oduction 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Figure 1.1 SAMMS-LV, front view 1.2.1 The SAMMS-LV Device Models The SAMMS-LV device is available in two models: SAMMS-LVE and SAMMS-LVX. Each model meets the various demands of industrial and commercial specifications and installations. Table 1.2 compares the features of each model. The SAMM ...

  • Siemens MCC-3298 - page 7

    5 1 Intr oduction Figure 1.2 Hand-Held Communicator (HHC) 1.2.3 Overload Protection The motor model offers the selection of overload classes 2 through 23. The SAMMS-LV device offers more accurate motor protection than traditional thermal overload and most electronic motor protection devices. This prolongs motor life by eliminating nuisance tripping ...

  • Siemens MCC-3298 - page 8

    6 1 Intr oduction SAMMS -LV Model SAMMS-LV E SAMMS-LVX Applicatio n Across-the-line, non reversing X X Across-the-line, reversing X Two-speed, one winding, constant or variab le t orqu e X Two-speed, one winding, constant horsep owe r X Two-speed, two win ding X Reduced voltage, autotransformer X Reduced voltag e, Y-D, open transition X Reduc ed vo ...

  • Siemens MCC-3298 - page 9

    7 2 Installing the SAMMS-L V Device 2 Installing the SAMMS-L V Device This section provides instructions for installing the SAMMS-LV device. You should adapt these instructions to suit the needs of your installation and equipment. 2.1 Receiving and Storing the SAMMS-L V Device Thoroughly inspect the equipment before accepting the ship- ment from th ...

  • Siemens MCC-3298 - page 10

    8 2 Installing the SAMMS-L V Device Figure 2.1 Full voltage non-reversing connection diagram ...

  • Siemens MCC-3298 - page 11

    9 2 Installing the SAMMS-L V Device 2.4.2 Grounding the Device As stated in Guideline 5, ground each motor controller at a single ground point. The grounding path to earth must be permanent and continuous. It must also be able to safely conduct ground fault currents that may occur in the system to ground through minimum impedance. The earth ground ...

  • Siemens MCC-3298 - page 12

    10 2 Installing the SAMMS-L V Device enables the SAMMS-LV to communicate with a remote super- visory device. Examples of the remote supervisory device include the Power Monitor display unit, a standard personal computer running the Power Monitor PC communications and supervisory software, or Siemens Microsoft ® Windows™ based SIEServe™ or WinP ...

  • Siemens MCC-3298 - page 13

    11 3 Operating the SAMMS-L V Device 3 Operating the SAMMS-L V Device This section explains how to operate the SAMMS-LV device. Operation of the device requires that the unit have control power (12VAC) applied to terminals 5-6. Most operations also require use of the Hand-Held Communicator (HHC). Use of the HHC is described in detail in section 3.27 ...

  • Siemens MCC-3298 - page 14

    12 3 Operating the SAMMS-L V Device 3.4 Output Devices You can use the following SAMMS-LV output devices: AC Outputs The SAMMS-LVX device provides up to three AC coil drivers capable of driving contactors up to size 6, while SAMMS-LVE provides one coil driver. Control Relays The device provides up to eight software-controlled relays. These relays a ...

  • Siemens MCC-3298 - page 15

    13 3 Operating the SAMMS-L V Device 3.6 Ladder Diagrams 3.6.1 Library of Standard Ladder Diagrams The SAMMS-LV library of more than 70 ladder diagrams covers most standard motor control applications. Table 3.3 lists the standard control circuits and the input and output assignments for the library. You can use the library with the following starter ...

  • Siemens MCC-3298 - page 16

    14 3 Operating the SAMMS-L V Device 12 3 4 5 6 7 8 9 10 1 1 12 13 14 15 16 SAMMS-L VX LED LED on LED Flashing Current Unbalance Impending Trip Overload Trip Incomplete Sequence External Trip Alarm CPU Fault Ground Fault > 40% 20 - 40% > 1 10% > 100% < 1 10% Overload Start Inhibit Trip Trip: Loss of Load,or Jam Alarm: Loss of Load or Prc ...

  • Siemens MCC-3298 - page 17

    15 3 Operating the SAMMS-L V Device Input Assignments Starter Type Progra m Block Control Type PB1 PB 2 PB3 PB4 PB 5 PB6 Preloaded in SAMMS-LVE, can be downloaded in SAMMS-LVX FVNR PB10 LOCAL, 2-WIRE OFF ON PB11 LOCAL, 3-WIRE STOP STA RT PB12 LOCAL, 3-WIRE, REMOTE 2-WIRE STOP STA RT HAND OFF AUTO PB13 LOCAL/REMOTE 2-WIRE STOP HAND OFF AUTO PB14 LOC ...

  • Siemens MCC-3298 - page 18

    16 3 Operating the SAMMS-L V Device Input Assignments Starter Type Program Block Control Type PB1 PB2 PB 3 PB4 PB 5 PB6 Avail abl e wi th SAMMS-LVX only RVA (Auto TX) Sizes 2-4 PB46 LOCAL, 2-WIRE OFF ON PB47 LOCAL, 3-WIRE STO P START PB48 LOCAL, 3-WIRE, REMOTE 2-WIRE STOP STAR T HAND OFF AUTO PB49 LOCAL/REMOTE 2-WIRE STO P HAND OFF AUTO PB50 LOCAL/ ...

  • Siemens MCC-3298 - page 19

    17 3 Operating the SAMMS-L V Device 3.7 Incomplete Sequence Sometimes the motor contactors do not respond in a timely manner to start, stop, transition, speed or direction change commands from the controller. If the SAMMS-LV device does not detect motor current one second after issuing a start command or if the SAMMS-LV device detects motor current ...

  • Siemens MCC-3298 - page 20

    18 3 Operating the SAMMS-L V Device Figure 3.5 ODP motor thermal signature ...

  • Siemens MCC-3298 - page 21

    19 3 Operating the SAMMS-L V Device 10000 1000 100 10 1 .1 11 0 SECONDS I ratio I FLC 10000 1000 100 10 1 .1 11 0 SECONDS I ratio I FLC Figure 3.6 Time-current characteristic curve for cold motors with SF=1.00 Figure 3.7 Time-current characteristic curve for warm motors with SF=1.00 ...

  • Siemens MCC-3298 - page 22

    20 3 Operating the SAMMS-L V Device Figure 3.9 Time-current characteristic curve for warm motors with SF=1.15 Figure 3.8 Time-current characteristic curve for cold motors with SF=1.15 10000 1000 100 10 1 .1 11 0 SECONDS I ratio I FLC 10000 1000 100 10 1 .1 11 0 SECONDS I ratio I FLC ...

  • Siemens MCC-3298 - page 23

    21 3 Operating the SAMMS-L V Device .1 1 I I FLC ratio 61 0 Motor starting current 600% rated full load current Jam and loss of load protection persistence delay (5 times overload class) Class 5 curve Maximum stall time 25 seconds Jam protection adjustable from 120 to 400% of FLC Motor running current at full load current Loss of load adjustable fr ...

  • Siemens MCC-3298 - page 24

    22 3 Operating the SAMMS-L V Device of 10 guarantees that a current of 600% of I FLC will cause a trip in 10 seconds or less. In the SAMMS-LV, the protection curves are designed to cause a trip in 90% to 100% of the class time for a current of 600% of I FLC . The lowest overload class, greater than or equal to the motors starting time, gives the ...

  • Siemens MCC-3298 - page 25

    23 3 Operating the SAMMS-L V Device 3.19 Stator Protection By selecting the overload class slightly greater than or equal to the motors starting time, the motor model defines an energy I 2 t value. In this value, I equals 600% of the motors full load current and t equals the overload class selected. If the amount of energy exerted by the moto ...

  • Siemens MCC-3298 - page 26

    24 3 Operating the SAMMS-L V Device the motor trips and the Ground Fault LED illuminates until reset. If you selected warning (OFF), the Ground Fault LED flashes as long as the fault current exceeds the pickup level. Table 3.6 lists the pickup levels for each overload size. Ground fault protection is locked out for the overload class time. Size Pic ...

  • Siemens MCC-3298 - page 27

    25 3 Operating the SAMMS-L V Device SAMMS- LV Functi on Numb er Function SAMMS- LVX SAMMS- LVE F0 Ambient temperature • • F1 Control circuit number • • F2 Size for over load No. 1 • • F3 Size for over load No. 2 (low speed) • F4 Full load current for OLR No. 1 • • F4A 5A CT primary curren t (if used) • • F5 Full load current f ...

  • Siemens MCC-3298 - page 28

    26 3 Operating the SAMMS-L V Device 3.27.1 The (F)unction Key When you press the (F)unction key, the function mode is selected and the HHC displays the number of the selected function preceded by F. With the HHC in the function mode, use the UP and DOWN keys to step from one function to the next. 3.27.2 The LIST Key When you press the LIST key, the ...

  • Siemens MCC-3298 - page 29

    27 3 Operating the SAMMS-L V Device Funct ion Num ber Funct ion Des crip ti on Range Step Size Default Value F0 Select ambient temperature. 0 - 70º C 5º C 40º C F1 Display (or change for SAMMS-LVE) the control circuit number, Enable/disable incompl ete sequence status. 0 - 9999 1 N/A F2 Display the size for single-speed controll er, or the hi gh ...

  • Siemens MCC-3298 - page 30

    28 3 Operating the SAMMS-L V Device Function Numb er Function Description Range Step Si ze Default Value F12 Select ground f ault protection or warning. ON mea ns p rotectio n; OF F means w arning. ON/OFF N/ A OFF F12A Select ground f ault pick-up curre nt valu e. 1A: 1.5A 1B: 2A-5A 1C: 2A-I 2A: 2A-I 2B: 2A-I 3: 2A-I 4: 2A-I 5: 5A-I 6: 10A-I I is t ...

  • Siemens MCC-3298 - page 31

    29 3 Operating the SAMMS-L V Device Function Numb er Function Description Range Step Size Default Value F18 Display the elap sed motor r unning time in tens of hours. 0.0 - 6553 (x 10 hr.) 0.1x10hr. up to 999.9, 1x10hr. up to 6553 N/A F19 Display the number of motor starts in tens of hours. 0.0 - 6553 (x 1 0) 0.1x10 up to 999.9, 1x1 0 up to 6553 N/ ...

  • Siemens MCC-3298 - page 32

    30 3 Operating the SAMMS-L V Device Figure 3.13 Entering and changing passwords F Press and hold F key UP DOWN Display mode Program mode ENTER ENTER UP DOWN To select function for viewing Prompt for password UP DOWN ENTER To select digit To enter digit First digit selected Enter following digits in the same manner 0000-9999 Password Correct? Yes No ...

  • Siemens MCC-3298 - page 33

    31 3 Operating the SAMMS-L V Device To change the password: 1. Enter the password as described above. 2 . With the password entered and the display showing - - - -, press the UP or DOWN key to enter change mode. The display reads CH g . 3. Press the ENTER key, and the display shows HHH0, the prompt for entering the new password. 4 ...

  • Siemens MCC-3298 - page 34

    32 3 Operating the SAMMS-L V Device F4 - Full-Load Current for Overload Relay #1 1. Press the LIST key to view the active full-load current setting for overload relay #1. The setting should normally be the full load current as shown on the motor nameplate (high speed for two-speed machine). The range of possible settings and the factory default val ...

  • Siemens MCC-3298 - page 35

    33 3 Operating the SAMMS-L V Device 6. Press the (F)unction key to step through to another function. F6 - Service Factor 1. Press the LIST key to view the active service factor, 1.0 or 1.15. The factory default is 1.15. A service factor of 1.15 adjusts the overload trip thresholds up by 15% over their values for a service factor of 1.0. This result ...

  • Siemens MCC-3298 - page 36

    34 3 Operating the SAMMS-L V Device b . When phase unbalance protection is disabled (OFF), the Phase Unbalance LED remains off, unbalanced condi- tions have no effect on protection, and F17 (Display Unbalanced Current) displays OFF. 2. To change the setting, you must be in program mode. 3. To change the setting, press the UP or DOWN key to display ...

  • Siemens MCC-3298 - page 37

    35 3 Operating the SAMMS-L V Device F12A - Ground Fault Pickup Current 1. Press the LIST key to view the active ground fault pickup current in use. The range of values and default values are shown in the table below: Size Pickup Current Range Default Pickup Current 1A 1.5A 1. 5A 1B 2A to 5A 5A 1C 2A to I 5A 2A 2A to I 10A 2B 2A to I 10A 3 2A to I 1 ...

  • Siemens MCC-3298 - page 38

    36 3 Operating the SAMMS-L V Device F17 - Current Unbalance 1. Press the LIST key to view the percentage current unbal- ance. When unbalance protection is disabled (F9 = OFF), OFF is displayed. The percentage unbalance is the ratio of the greatest deviation of the three phase currents from their average to the average of the three phase currents ex ...

  • Siemens MCC-3298 - page 39

    37 3 Operating the SAMMS-L V Device 3. To change the protection setting, press the UP or DOWN key to display ON or OFF, then press ENTER to select the setting that is shown. The display blanks while the ENTER key is pressed. 4. Return to Step 3 if you select an incorrect setting. 5. To exit the program mode, press and hold the (F)unction key for se ...

  • Siemens MCC-3298 - page 40

    38 3 Operating the SAMMS-L V Device F27 - Address 1. Press the LIST key to view the active setting. Allowable addresses are 1-224. The factory default is 200. 2. To change the setting, you must be in program mode. 3. Press the UP or DOWN key to scroll through the range of settings, until the selected setting appears on the display. 4. Press the ENT ...

  • Siemens MCC-3298 - page 41

    39 4 T roubleshooting 4 T roubleshooting the SAMMS-L V Device This section discusses how to troubleshoot the SAMMS-LV device. The troubleshooting guide below lists basic errors that can occur while operating the SAMMS-LV device. Use the guide as necessary to solve error conditions as they arise. Do not attempt to solve any error condition that is n ...

  • Siemens MCC-3298 - page 42

    40 4 T r oubleshooting Troubleshooting Guide Error Condition Main Cause Remedy Incomplete Sequence Indicates the SAMMS-LV unit does not detect current one second after a start command, or it detects current one second after a stop command. 1. 2. 3. 4. 5. If the unit trips one second after start, verify that current transformer secondary input is pr ...

  • Siemens MCC-3298 - page 43

    41 4 T roubleshooting Troubleshooting Guide Error Condition Main Cause Remedy Ground Fault Indicates the ground fault current exceeded the threshold. If ground fault protection was selected, the ground fault LED illuminates solidly and the motor stops. If ground fault warning was selected, the ground fault LED flashes and the motor continues to run ...

  • Siemens MCC-3298 - page 44

    42 Appendix A T echnical Specifications Appendix A - Technical Specifications of the SAMMS-LV Device Motor Control Specifications Inputs SAMMS-LVX: Six pushbuttons Four remote inputs SAMMS-LVE: Six pushbuttons Two remote inputs Outputs SAMMS-LVX: Three coil drivers Three light bars One programmable alarm contact SAMMS-LVE: One coil driver Two light ...

  • Siemens MCC-3298 - page 45

    43 Appendix A T echnical Specifications FLC FLC FLC FLC FLC FLC FLC FLC FLC FLC FLC FLC FLC FLC FLC FLC FLC FLC Overload Specifications Overload classes Overload classes 2 through 23 with one second increments. Trip Characteristics Tripping time at 6 x I = 95% of the overload class (±5%). Tripping time at 1.5 x I within two minutes for warm condit ...

  • Siemens MCC-3298 - page 46

    44 Appendix A T echnical Specifications Software Configured Control Devices Timers 4 Timing range Timers 1 and 2: 0 - 200 seconds selectable Timer 3: 1 second fixed value Timer 4: 30 seconds fixed value Timer auxiliary contacts Software instantaneous and timed contacts Control relays 8 Auxiliary contacts Software instantaneous contacts Statistical ...

  • Siemens MCC-3298 - page 47

    45 Appendix A T echnical Specifications Dimensions SAMMS-LV 6.25 inches W; 6.00 inches H; 2.125 inches D Handheld Communicator 3.15 inches W; 5.7 inches H; 1.37 inches D Environments Operating temperature range -25º C to +70º C. Storage temperature -40º C to +85º C. Relative humidity 5 to 95% non-condensing. Altitude 6600 ft. Vibration 5 g&apos ...

  • Siemens MCC-3298 - page 48

    46 Appendix A T echnical Specifications Figure A-1 Figure A-1 Figure A-1 Figure A-1 Figure A-1 Catalog Number and Configuration Breakdown for SAMMS-LV SAMMS-L V Model Number SAM4 - SAMMS-L VE SAM5 - SAMMS-L VX Control T ype L - Local and/or Remote Control Alarm Contacts Configuration (SAMMS-L VX Only) 0 - None 1 - Normally Closed Contacts (N.C.) 2 ...

  • Siemens MCC-3298 - page 49

    47 Appendix A T echnical Specifications SAMMS-LVX LED LED on LED Flashing Current Unbalance Impending Trip Overload Trip Incomplete Sequence External Trip Alarm CPU Fault Ground Fault > 40% 20 - 40% > 110% > 100% < 110% Overload Start Inhibit Trip Trip: Loss of Load, or Jam Alarm: Loss of Load or Prcs Current Trip: CPU Failure or Low Vo ...

  • Siemens MCC-3298 - page 50

    48 Appendix A T echnical Specifications Figure A-4 SAMMS 5A Auxiliary Current Transformer and SAMMS sensors (sizes 1A-6) SIZE A B C D E F G H I J 5A ACT 4. 2 5 1. 00 2. 9 4 0.5 0 3. 5 0 0.3 8 0. 19 - - - 1A 4. 2 5 1. 00 2. 9 4 0.5 0 3. 5 0 0.3 8 0. 19 - - - 1B 4. 2 5 1. 00 2. 9 4 0.5 0 3. 5 0 0.3 8 0. 19 - - - 1C 4. 2 5 1. 00 2. 9 4 0.5 0 3. 5 0 0. ...

  • Siemens MCC-3298 - page 51

    ...

  • Siemens MCC-3298 - page 52

    Siemens Energy & Automation, Inc. Switchgear and Motor Control Division P.O. Box 29503 Raleigh, NC 27626-0503 Bulletin MCC-3298 (New) 3M 0994FP Printed in U.S.A. © 1994 Siemens Energy & Automation, Inc. SIEMENS is a registered trademark of Siemens AG ...

Manufacturer Siemens Category Power Supply

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