Digital Counters - GE MM300 Instruction Manual

DIGITAL COUNTERS

Digital counters
6–2
Individual events are selected by using the UP and DOWN keys to highlight the event then
pressing the ENTER key. This will display a pop-up window with the event details.
Figure 6-2: Typical event details view
The Home > Diag > Counters page displays the values of the various MM300 digital
counters.
Figure 6-3: Counters page
The total number of trips by type are displayed in this screen. Trip counters are typically
used for scheduling inspections on equipment, for performing qualitative analysis of
system problems, and for spotting trends. Several general counters are also available.
Total Number of Trips, Overload Trips, Mechanical Jam Trips, Undercurrent Trips,
Current Unbalance Trips, Ground Fault Trips, Motor Acceleration Trips, Underpower
Trips
Range: 0 to 65535 trips in steps of 1
These values display a breakdown of number of trips by type. When the total number of
trips for any counter exceeds 65535, that counter is reset to 0. To clear this value, use
the Clear Counters command.
Number of Motor Starts
Range: 0 to 65535 starts in steps of 1
This value displays the number of accumulated motor starts or start attempts. This value
may be useful information when troubleshooting a motor failure. When this counter
exceeds 65535 starts, it will reset to 0. To clear this value, use the Clear Maintenance
Timers command.
MM300 MOTOR MANAGEMENT SYSTEM – INSTRUCTION MANUAL
CHAPTER 6: DIAGNOSTICS