Siemens MCC-3298 user manual F10 Display Time to Restart, F11 Emergency Restarting

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3 Operating the SAMMS-LV 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 the setting options, then press ENTER to select the setting that is shown. The display blanks while the ENTER key is pressed.

4.Repeat Step 3 if you select an incorrect setting.

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.

6.Press the (F)unction key to go to other functions.

F10 - Display Time to Restart

1.Press the LIST key to view the time remaining before the motor can be restarted. The time is displayed in seconds. While the motor is cooling, the time to restart counts down from the maximum winding temperature allowed to the steady-state, full-load temperature. The display is always zero if the motor is not in a start inhibit mode. If a time to restart displays, the motor can only be restarted by an emergency restart (see F11).

2.The UP, DOWN, and ENTER keys are disabled.

3.Press the (F)unction key to go to other functions.

F11 - Emergency Restarting

1.Press the LIST key to view the emergency restart setting (ON or OFF). The factory default is OFF. With emergency restart enabled (ON), you can restart the motor after the overload relay is reset (manually or automatically), even when the time to reset is not zero. When you initiate an emergency restart, the motor conditions are reset to zero to simulate a com- pletely cold start. The emergency restart function is auto- matically disabled after any restart (emergency or normal), and you must manually re-enable the emergency restart function by setting F11 to ON.

2.Emergency restart can be enabled in either the program mode or the display mode.

3.To change the setting, press the UP or DOWN key to display the setting options, then press ENTER to select the setting that is shown. If the selected setting is ON, skip to Step 5.

4.If the selected setting is OFF, the display blanks while the ENTER key is pressed. When the ENTER key is released, the setting is changed to OFF. Skip to Step 6.

5.If the selected setting is ON, “SUrE” is displayed when you release the ENTER key. Press ENTER again to make the change to ON.

Note: The motor can be damaged if restarted before it is allowed to cool. The “SUrE” display allows you to reconsider 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.” Press the UP or DOWN key to change to the display mode.

8.Press the (F)unction key to go to other functions.

F12 - Ground Fault Protection or Warning

1.Press the LIST key to view the active ground fault detection setting (ON or OFF). The factory default setting is warning (OFF), and the other setting is protection (ON).

a.When warning (OFF) is selected, the Ground Fault LED flashes if the ground current increases beyond the pickup level. The LED stops flashing as soon as the current drops below the pickup level.

b.When protection (ON) is selected, a ground current above the pickup level will cause a trip. The motor stops, and the Ground Fault LED is steadily lit. You must reset the unit before the motor can be restarted.

2.To change the setting, you must be in program mode.

3.To change the setting, press the UP or DOWN key to display the setting options, then press ENTER to select the setting that is shown. The display blanks while the ENTER key is pressed.

4.Repeat Step 3 if you select an incorrect setting.

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.

6.Press the (F)unction key to go to other functions.

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Contents SAMMS-LV Qualified Person Contents Signal Words Field Service OperationQualified Person About this Manual SAMMS-LV Device Models Advanced Protection for Low-Voltage MotorsUsing the Standardized Control Panel Overload ProtectionProgramming Control Circuits Change settings requires password Yes Remote inputs SAMMS-LV ModelOutputs One Light barsInstalling the SAMMS-LV Device Full voltage non-reversing connection diagram Grounding the Device SAMMS-LV device communications connections Password Protection Using the Reset/Test Push ButtonPerforming a Lamp Test Performing an Overload Relay TestOutput Devices Input DevicesLadder Diagrams Library of Standard Ladder Diagrams Custom Ladder DiagramsSAMMS-LVX Standard control circuits RVA Ridethrough Upon Loss of Power SAMMS-LVX Only Motor Ambient TemperatureIncomplete Sequence Intelligent Reduced-Voltage Starting SAMMS-LVX OnlyODP motor thermal signature Operating the SAMMS-LV Operating the SAMMS-LV Device 10 Motor protection graph Ultimate Trip Level and Service Factor Phase UnbalanceDual Overload Protection SAMMS-LVX Only Jam Protection SAMMS-LVX OnlyGround Fault Detection Stator ProtectionRepetitive Starts Start InhibitAutoreset After a Trip SAMMS-LVX Only Using the Hand Held Communicator HHCSize 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 Using the Enter Key Function KeyList Key UP and Down KeysExternal trips Enable/disable phase unbalance CapabilitySelect ground fault pick-up current Value 2A-5A Step Size Second Default ValueMeans warning Iflc is the value of Iflc forUsing the SAMMS-LV Device Func Tions Program Mode/PasswordsSelect jam pickup current 120-400% I FLC F24 Loss of Load 200% 50% 480013 Entering and changing passwords F0 Ambient Temperature SAMMS-LV FunctionsF1 Control Circuit Number and Incomplete Se- quence Status F2 Size for Overload Relay #1Overload Setting Step Default Relay Size Range 24.0A 36A F4 Full-Load Current for Overload Relay #145A 90AF6 Service Factor F8 Autoreset SAMMS-LVX OnlyF9 Phase Unbalance Protection F7 Overload Trip ClassF12 Ground Fault Protection or Warning F10 Display Time to RestartF11 Emergency Restarting F12A Ground Fault Pickup Current F13 Set Programmable Timer #1F14 Set Programmable Timer #2 F15 Display CurrentF21 Reset Motor Data F17 Current UnbalanceF18 Display Total Elapsed Run Time of the Motor F19 Number of Motor StartsF25 Percentage of Motor Winding Temperature F23A Jam Pickup Current SAMMS-LVX OnlyF24 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
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