Siemens MCC-3298 user manual Operating the SAMMS-LV

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10000
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SECONDS
10
1
.1
1	10

I ratio

IFLC

10000
1000
100
SECONDS
10
1
.1
1	10

Iratio

IFLC

3 Operating the SAMMS-LV

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

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Device

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Contents SAMMS-LV Qualified Person Contents Signal Words Field Service OperationQualified Person About this Manual Advanced Protection for Low-Voltage Motors SAMMS-LV Device ModelsUsing the Standardized Control Panel Overload ProtectionProgramming Control Circuits SAMMS-LV Model Change settings requires password Yes Remote inputsOutputs One Light barsInstalling the SAMMS-LV Device Full voltage non-reversing connection diagram Grounding the Device SAMMS-LV device communications connections Using the Reset/Test Push Button Password ProtectionPerforming a Lamp Test Performing an Overload Relay TestInput Devices Output DevicesCustom Ladder Diagrams Ladder Diagrams Library of Standard Ladder DiagramsSAMMS-LVX Standard control circuits RVA Motor Ambient Temperature Ridethrough Upon Loss of Power SAMMS-LVX OnlyIncomplete Sequence Intelligent Reduced-Voltage Starting SAMMS-LVX OnlyODP motor thermal signature Operating the SAMMS-LV Operating the SAMMS-LV Device 10 Motor protection graph Phase Unbalance Ultimate Trip Level and Service FactorDual Overload Protection SAMMS-LVX Only Jam Protection SAMMS-LVX OnlyStator Protection Ground Fault DetectionRepetitive Starts Start InhibitUsing the Hand Held Communicator HHC Autoreset After a Trip SAMMS-LVX OnlySize Pickup Current Default Pickup Range Emergency RestartingFunction Number 5A CT primary current if used Full load current for OLR NoJam pickup current F24 Loss of load protection or warning Function Key Using the Enter KeyList Key UP and Down KeysCapability External trips Enable/disable phase unbalanceStep Size Second Default Value Select ground fault pick-up current Value 2A-5AMeans warning Iflc is the value of Iflc forProgram Mode/Passwords Using the SAMMS-LV Device Func TionsSelect jam pickup current 120-400% I FLC F24 Loss of Load 200% 50% 480013 Entering and changing passwords SAMMS-LV Functions F0 Ambient TemperatureF1 Control Circuit Number and Incomplete Se- quence Status F2 Size for Overload Relay #1F4 Full-Load Current for Overload Relay #1 Overload Setting Step Default Relay Size Range 24.0A 36A45A 90AF8 Autoreset SAMMS-LVX Only F6 Service FactorF9 Phase Unbalance Protection F7 Overload Trip ClassF12 Ground Fault Protection or Warning F10 Display Time to RestartF11 Emergency Restarting F13 Set Programmable Timer #1 F12A Ground Fault Pickup CurrentF14 Set Programmable Timer #2 F15 Display CurrentF17 Current Unbalance F21 Reset Motor DataF18 Display Total Elapsed Run Time of the Motor F19 Number of Motor StartsF23A Jam Pickup Current SAMMS-LVX Only F25 Percentage of Motor Winding TemperatureF24 Loss of Load Protection or Warning SAMMS-LVX Only F24A Loss of Load Pickup Current SAMMS-LVX OnlyF27 Address Troubleshooting Error Condition Troubleshooting Guide Error Condition Appendix a Technical Specifications Overload Specifications Statistical Data Dimensions Catalog Number SAM4 Switch # Function Position Samms Sensor, sizes 1C, 2A, 2B Page Siemens Energy Automation, Inc