Page 3 - Appendix A - Technical Specifications of the; Contents
1 1 Introduction ............................................. 2 1.1 About this Manual ............................................ 3 1.2 About the SAMMS-MV Device .......................... 31.2.1 The SAMMS-MV Device Models ............ 41.2.2 Advanced Protection for Medium-Voltage Motors ............
Page 4 - Introduction; Signal Words
2 1 Introduction 1 Introduction The SAMMS-MV electronic motor control and protection de- vice 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 ...
Page 5 - About this Manual
3 1 Introduction 1.1 About this Manual This manual introduces you to the Siemens Advanced Motor Master System (SAMMS-MV ) motor protection and control relay which incorporates protection designed for medium voltage machines. This manual also contains information for installing and operating the de...
Page 6 - . 2 . 2 A d v a n c e d P r o t e c t i o n f o r
4 1 Introduction 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Figure 1.1 SAMMS-MV, front view 1.2.1 The SAMMS-MV Device Models The SAMMS-MV device is available in two models: SAMMS-MVE and SAMMS-MVX. Each model meets the various demands of industrial and commercial specifications and installations. Table ...
Page 7 - ware Manua; Using the Standardized Control Panel; Diagnostics; CESS System
5 1 Introduction 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-MV device offers more accurate motor protection than traditional thermal overload and most electronic motor protection devices. This pro...
Page 9 - Installing the SAMMS-MV Device; Note; Where to Locate the Device
7 2 Installing the SAMMS-MV Device 2 Installing the SAMMS-MV Device This section provides instructions for installing the SAMMS-MVdevice. You should adapt these instructions to suit the needs ofyour installation and equipment. 2 . 1 R e c e i v i n g a n d S t o r i n g t h eSAMMS-MV Device Thorough...
Page 10 - Full voltage non-reversing connection diagram
8 2 Installing the SAMMS-MV Device Figure 2.1 Full voltage non-reversing connection diagram
Page 11 - Do not ground the SAMMS auxiliary current sensor (ACT)
9 2 Installing the SAMMS-MV Device 2.4.2 Grounding the Device As stated in Guideline 5, ground each motor controller at asingle ground point. The grounding path to earth must bepermanent and continuous. It must also be able to safelyconduct ground fault currents that may occur in the system toground...
Page 12 - ACCESS electrical distribution communications system.
10 2 Installing the SAMMS-MV Device enables the SAMMS-MV to communicate with a remote super-visory device. Examples of the remote supervisory deviceinclude the Power Monitor display and monitoring unit, astandard personal computer running the Power Monitor PCcommunications and supervisory software, ...
Page 13 - Operating the SAMMS-MV Device; Password Protection
11 3 Operating the SAMMS-MV Device 3 Operating the SAMMS-MV Device This section explains how to operate the SAMMS-MV device. 3.1 Password Protection Changing the settings of the SAMMS-MV device requires the use of the Hand-Held Communicator (HHC) in the program mode. To access the program mode, the ...
Page 14 - STATE
12 3 Operating the SAMMS-MV Device 3.4 Output Devices You can use the following SAMMS-MV output devices: AC Outputs The SAMMS-MVX device provides up to three AC coil drivers capable of driving contactors up to size H6, while SAMMS-MVE provides one coil driver. Control Relays The device provides up t...
Page 15 - Library of Standard Ladder Diagrams
13 3 Operating the SAMMS-MV Device The communications inputs must be included in the ladder logic (control circuit). 3.6 Ladder Diagrams 3.6.1 Library of Standard Ladder Diagrams The SAMMS-MV library of more than 40 ladder diagrams covers most standard motor control applications. Table 3.3 lists the...
Page 16 - Assignment of pushbuttons and light bars
14 3 Operating the SAMMS-MV Device 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SAMMS-MVX LED LED on LED Flashing CurrentUnbalance ImpendingTrip OverloadTrip IncompleteSequence ExternalTrip Alarm CPUFault GroundFault > 40% 20 - 40% > 110% > 100%< 110% Overload StartInhibit Trip Trip: Lossof Lo...
Page 17 - Standard control circuits
15 3 Operating the SAMMS-MV Device Input Assignments Starter Type Program Block Control Type PB1 PB2 PB3 PB4 PB5 PB6 Preloaded in SAMMS-MVE can be downloaded in SAMMS-MVX FVNR PB10 LOCAL, 2-WIRE OFF ON FVNR PB11 LOCAL, 3-WIRE STOP START FVNR PB12 LOCAL, 3-WIRE, REMOTE 2-WIRE STOP START HAND OFF AUTO...
Page 19 - Incomplete Sequence
17 3 Operating the SAMMS-MV 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-MV device does not detect motor current one second after issuing a start comman...
Page 20 - ODP motor thermal signature
18 3 Operating the SAMMS-MV Device Figure 3.5 ODP motor thermal signature
Page 21 - Protection Curves and Overload
19 3 Operating the SAMMS-MV Device temperature. You can select ambient temperature from 0° to 70°C in increments of 5°C, with HHC function F0. Important: Do not use this feature with motors rated for ambient temperature other than the standard 40°C. 3.12 Protection Curves and Overload Classes The sp...
Page 22 - Time-current characteristic curve for cold motors with SF=1.00
20 3 Operating the SAMMS-MV 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 3.7 Time-current characteristic curve for cold motors with SF=1.00 Figure 3.8 Time-current characteristic curve for warm motors with SF=1.00
Page 23 - Time-current characteristic curve for warm motors with SF=1.15; ratio
21 3 Operating the SAMMS-MV Device Figure 3.10 Time-current characteristic curve for warm motors with SF=1.15 Figure 3.9 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
Page 24 - Seconds; Motor protection graph
22 3 Operating the SAMMS-MV Device .1 1 I I FLC ratio 6 10 Motor starting current600% rated full load current Jam and loss of loadprotection persistencedelay (5 times overload class) Class 5 curve Cold stall timeadjustable from5 to 100 seconds Jam protectionadjustable from120 to 400% of FLC Motor ru...
Page 25 - Ultimate Trip Level and Service Factor; Process Current Warning
23 3 Operating the SAMMS-MV Device 3.13 Ultimate Trip Level and Service Factor The ultimate trip level is the maximum continuous current that does not cause an overload trip. Any higher current applied indefinitely to an unprotected motor will ultimately damage it. The ultimate trip level for motors...
Page 26 - Repetitive Starts
24 3 Operating the SAMMS-MV Device ture of the rotor and provides a signal to trip the motor off-line when it reaches a trip temperature value. The motor model takes into account the change of the rotor resistance during motor startup. Rotor resistance is a function of motor slip; therefore, it is h...
Page 27 - Multi-start scenario for an ODP motor
25 3 Operating the SAMMS-MV Device Figure 3.12 Multi-start scenario for an ODP motor
Page 28 - Size; Emergency Restarting
26 3 Operating the SAMMS-MV Device Size Pickup Current Range Default Pickup Current H3A 7A to I 10A H3B 7A to I 10A H3C 7A to I 10A H6 7A to I 20A Table 3.6 Ground fault pickup levels Ground fault detection requires no additional external circuitry or transformers. Ground fault detection for the SAM...
Page 29 - Function Number; SAMMS-MV models and functions
27 3 Operating the SAMMS-MV Device SAMMS-MV Function Number Function SAMMS-MVX SAMMS-MVE F0 Ambient temperature • • F1 Control circuit number • • F2 Size for overload No. 1 • • F3 Size for overload No. 2 (low speed) • F4 Full load current for OLR No. 1 • • F4A 5A CT primary current (if used) • • F5 ...
Page 30 - tions
28 3 Operating the SAMMS-MV Device function. Pressing the LIST key returns the active setting to the display. There is one occasion when the LIST key is disabled making the corresponding functions inoperative. In a SAMMS-MV device with autoreset disabled at the factory, the LIST key has no effect fo...
Page 32 - Motor control and protection functions (page 2 of 2)
30 3 Operating the SAMMS-MV Device Function Number Function Description Range Step Size Default Value F12 Select ground fault protection or warning. ON means protection; OFF means warning. ON/OFF N/A OFF F12A Select ground fault pick-up current value. 7A-I 1A 10A (H3A-H3C) 20A (H6) F13 Set programma...
Page 33 - Entering and changing passwords
31 3 Operating the SAMMS-MV Device Figure 3.13 Entering and changing passwords F P r e s s a n d h o l d F k e y U P D O W N D i s p l a y m o d e P r o g r a m m o d e E N T E R E N T E R U P D O W N T o s e l e c t f u n c t i o n f o r v i e w i n g P r o m p t f o r p a s s w o r d U P D O W N E...
Page 34 - dISP; F0 - Ambient Temperature
32 3 Operating the SAMMS-MV Device 3.29.1 Program Mode/Passwords To access the functions in program mode, the user is required to enter a password. The default password is 0000, and may be changed at any time. To enter the password and have access to program mode: 1. Press and hold the (F)unction ...
Page 35 - F4A - 5A CT Primary Current Selection for Overload
33 3 Operating the SAMMS-MV Device 5. To exit the program mode, press and hold the (F)unction key for several seconds. The display will show Prog. Press the UP or DOWN key to change to the display mode. F3 - Size for Overload Relay #2 (SAMMS-MVX Only) Overload relay #2 protects two-speed motors ru...
Page 36 - OdP; F7 - Overload Trip Class; SUrE
34 3 Operating the SAMMS-MV Device 1. Press the LIST key to view the sensor in use for overload relay #2. If standard SAMMS sensors are used, the display will read OFF. If 5A secondary CTs are in use, the CT primary current will be displayed. 2. To change the setting, you must be in program mode....
Page 37 - F9 - Phase Unbalance Protection
35 3 Operating the SAMMS-MV Device F8 - Autoreset (SAMMS-MVX Only) 1. Press the LIST key to view the active autoreset setting, either ON or OFF. If autoreset is ON, the SAMMS-MV device automatically resets 30 seconds after an overload or exter- nal trip. At this time the motor can start. If autorese...
Page 38 - F12 - Ground Fault Protection or Warning; Prog; F15 - Display Current
36 3 Operating the SAMMS-MV Device your actions before pressing the ENTER key a second time to select the ON setting. 6. Repeat Step 3 if you select an incorrect setting. 7. If you are in the program mode, press and hold the (F)unction key for several seconds to exit. The display will show Prog. P...
Page 39 - F17 - Current Unbalance; Actual Number of Hours; F19 - Number of Motor Starts; Actual Number of Starts; F20 - Number of Overload Trips; F21 - Reset Motor Data; CLr
37 3 Operating the SAMMS-MV Device a. Because only four characters can display at a time, individual line currents of 1000 amps and above are displayed as three dashes following the phase designa- tor, e.g., A - - - . b. For sizes H3A, H3B, and H3C, the current is displayed to the nearest 1 amp. For...
Page 40 - F24 - Loss of Load Protection or Warning
38 3 Operating the SAMMS-MV Device F22 - Process Current Warning Level (SAMMS-MVX Only) 1. Press the LIST key to view the active process current level. The value represents the percentage of the full load current setting above which a motor current causes the External Trip LED to flash. The function...
Page 42 - Troubleshooting; When contacting your Siemens representative, refer to; Troubleshooting Guide; Current Unbalance
40 4 Troubleshooting 4 Troubleshooting the SAMMS-MVDevice This section discusses how to troubleshoot the SAMMS-MVdevice. The troubleshooting guide below lists basic errors thatcan occur while operating the SAMMS-MV device. Use theguide as necessary to solve error conditions as they arise. Donot atte...
Page 45 - Appendix A Technical Specifications; Appendix A - Technical Specifications of the SAMMS-MV Device
43 Appendix A Technical Specifications Appendix A - Technical Specifications of the SAMMS-MV Device M M o o tto o rr C C o o n n ttrr o o ll S S p p e ec c iiffiic c a attiio o n n s s Inputs Six pushbuttonsFour remote inputs Outputs SAMMS-MVX:Three coil driversThree light barsOne programmable alarm...
Page 49 - Catalog Number
47 Appendix A Technical Specifications Figure A-1 Figure A-1 Figure A-1 Figure A-1 Figure A-1 Catalog Number and Configuration Breakdown for SAMMS-MV SAMMS-MV Model Number SAM6 - SAMMS-MVE SAM7 - SAMMS-MVX Control Type L - Local and/or Remote Control Alarm Contacts Configuration (SAMMS-MVX Only) 0 -...
Page 50 - FUNCTION
48 Appendix A Technical Specifications SAMMS-MVX LED LED on LED Flashing CurrentUnbalance ImpendingTrip OverloadTrip IncompleteSequence ExternalTrip Alarm CPUFault GroundFault > 40% 20 - 40% > 110% > 100%< 110% Overload StartInhibit Trip Trip: Lossof Load, orJam, orRTD Input Alarm: Losso...
Page 51 - RATING LABEL LOCATION; SAMMS 5A Auxiliary Current Transformer
49 Appendix A Technical Specifications 2.94 1.00 4.25 3.50 0.375 0.50 .188 DIA (2X)FOR MOUNTING #10 STUD WITH NUTS, WASHER,& LOCKWASHER (TYPICAL) 36" TINNED COPPER#20 GA LEADS RATING LABEL LOCATION TYPE 5A ACT INPUT 5A CATALOG NUMBER SAMMS 5A ACT Figure A-4 SAMMS 5A Auxiliary Current Transfo...
