3 Operating the SAMMS-MV Device
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 H3A, H3B, and H3C, the current is displayed to the nearest 1 amp. For size H6, currents are 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.
F17 - Current Unbalance
1.Press the LIST key to view the percentage current unbal- ance. When unbalance protection is disabled (F9 = OFF), OFF is displayed. The percentage unbalance is the ratio of the greatest deviation of the three phase currents from their average to the average of the three phase currents ex- pressed as a percentage.
2.The UP, DOWN, and ENTER keys are disabled for this function.
3.Press the (F)unction key to go to other functions.
F18 - Display Total Elapsed Run Time of the Motor
1.Press the LIST key to view the total elapsed running time of the motor. The run time is displayed in tens of hours as follows:
Actual Number of Hours | Displayed Time |
|
|
0 | 0.0 |
|
|
9999 | 999.9 |
|
|
10000 | 1000 |
|
|
65535 | 6553 |
|
|
65536 | 0.0 (roll over) |
|
|
The displayed value does not increment until a full hour, or for elapsed times greater than 10000 hours a full ten hours, have elapsed. Internally, however, the elapsed time is maintained to the nearest 0.1 second.
Note: The value can be reset to zero with F21.
2.The UP, DOWN, and ENTER keys are disabled for this function.
3.Press the (F)unction key to go to other functions.
F19 - Number of Motor Starts
1.Press the LIST key to view the number of motor starts. The number of starts is displayed in tens of starts as follows:
Actual Number of Starts | Displayed Number |
|
|
0 | 0.0 |
|
|
9999 | 999.9 |
|
|
10000 | 1000 |
|
|
65535 | 6553 |
|
|
65536 | 0.0 (roll over) |
Note: The value can be reset to zero with F21.
2.The UP, DOWN, and ENTER keys are disabled for this function.
3.Press the (F)unction key to go to other functions.
F20 - Number of Overload Trips
1.Press the LIST key to view the number of overload trips, up to 9999.
Note: The value can be reset to zero with F21.
2.The UP, DOWN, and ENTER keys are disabled for this function.
3.Press the (F)unction key to go to other functions.
F21 - Reset Motor Data
1.To reset to zero the elapsed running time, the number of starts, and the number of overload trips, press the LIST key. “CLr” is displayed.
2.Press the ENTER key. “SUrE” is displayed.
3.Press the ENTER key again to zero the motor data.
4.To return to Step 1, press the LIST key at any time.
5.The UP and DOWN keys are disabled for this function.
6.Press the (F)unction key to go to other functions.
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