Siemens MCC-3298 - Manual (Page 37)

35
3 Operating the SAMMS-LV Device
F12A - Ground Fault Pickup Current
1. Press the LIST key to view the active ground fault pickup
current in use. The range of values and default values are
shown in the table below:
Size Pickup Current
Range
Default Pickup
Current
1A 1.5A 1.5A
1B 2A to 5A 5A
1C 2A to I 5A
2A 2A to I 10A
2B 2A to I 10A
3 2A to I 10A
4 2A to I 10A
5 5A to I 10A
6 10A to I 20A
* I
FLC
is the value of I
FLC
for OLR#2 if F3 is not set to OFF. If F3 is
OFF, I
FLC
is the value of I
FLC
for OLR#1.
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.
F13 - Set Programmable Timer #1
1. Press the LIST key to view the active setting for timer #1. The
default setting is OFF. If the timer is not used in the control
circuit, OFF is displayed and the UP, DOWN, and ENTER
keys are disabled. OFF is also displayed for a setting of 0
seconds. The timer may be adjusted from 0 - 200 seconds
in one second increments.
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 value is displayed then press the ENTER key to
select the setting. 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.
F14 - Set Programmable Timer #2
1. Press the LIST key to view the active setting for timer #2. The
default setting is OFF. If the timer is not used in the control
circuit, OFF is displayed and the UP, DOWN, and ENTER
keys are disabled. OFF is also displayed for a setting of 0
seconds. The timer may be adjusted from 0 - 200 seconds
in one second increments.
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 value is displayed then press the ENTER key to
select the setting. 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.
F15 - Display Current
1. Press the LIST key to view the instantaneous line currents or
the average instantaneous line current. (The LIST key is
disabled for full voltage, part-winding starters.) For instanta-
neous line currents, the display shows the phase designator
(A, b, or C) in the left-most character followed by three
significant digits of the value of the current. For the average
instantaneous line current, four digits are displayed without
a phase designator.
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 1A, 1B, and 1C, the current is displayed to the
nearest 0.1 amp for currents less than 100 amps; for 100
amps and above, currents are displayed to the nearest 1
amp. For sizes 2A, 2B,3, 4, and 5, the current is displayed
to the nearest 1 amp. For size 6, current is displayed to the
nearest 2 amps.
2. To view another line current, press the UP or DOWN key to
scroll through the four selections.
3. The ENTER key is disabled for this function.
4. Press the (F)unction key to go to other functions.
F16 - Trip Current
1. Press the LIST key to view the value of the current that
caused the most recent trip.
2. The UP, DOWN, and ENTER keys are disabled for this
function.
3. Press the (F)unction key to go to other functions.
FLC
*
FLC
*
FLC
*
FLC
*
FLC
*
FLC
*
FLC
*