3 Operating the SAMMS-LV 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 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 step through to another function.

F23A Jam Pickup Current (SAMMS-LVX Only)

1.Press the LIST key to view the jam current pickup value in use. The range of possible values is between 120% and 400% to the FLC, in increments of 5%. The factory default is 200%.

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

3.To change the setting, press the UP or DOWN key until the desired setting is displayed then press the ENTER key to select the setting. The display blanks while the ENTER key is pressed.

4.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.

5.Press the (F)unction key to step through to another function.

F24 - Loss of Load Protection or Warning (SAMMS-LVX Only)

1.Press the LIST key to view the active loss of load setting (ON or OFF). The factory default setting is warning (OFF), and the other setting is protection (ON). This function is disabled for five times the class time after starting or speed or direction changes.

a.When protection (ON) is selected and the motor current drops below the pickup current value, within 360 msec, the External Trip LED will light and the SAMMS-LV trips.

b.When warning (OFF) is selected and the motor current drops below the pickup current value within 360 msec, the External Trip LED flashes but the SAMMS-LV does not trip.

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

3.To change the protection setting, press the UP or DOWN key to display ON or OFF options, 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 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 step through to another function.

F24A - Loss of Load Pickup Current (SAMMS-LVX Only)

1.Press the LIST key to view the active setting. The range of possible values is between 20% and 95% to the FLC, in increments of 5%. The factory default is 50%.

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

3.To change the setting, press the UP or DOWN key until the desired setting is displayed then press the ENTER key to select the setting. 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 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.

F25 - Percentage of Motor Winding Temperature

1.Press the LIST key to view the temperature of the motor windings as a percentage of the steady-state, full-load winding temperature. The maximum allowable winding tem- perature percentage is 175%.

2.The UP, DOWN, and ENTER keys are disabled for this function.

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

F26 - Baud Rate

1.Press the LIST key to view the active setting. Allowable settings are 2400, 4800, or 9600 baud. The factory default is 4800.

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 ENTER key to change the active setting to the selected setting. The display becomes blank while you hold down the ENTER key and the SAMMS-LV device stores the new 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 step through to another function.

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Siemens MCC-3298 user manual F23A Jam Pickup Current SAMMS-LVX Only, F24 Loss of Load Protection or Warning SAMMS-LVX Only