Siemens MCC-3298 - Manual (Page 39)

37
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.