GE PACSystems RX3i User Manual page 10

10
GFK-2748C
Update rate = 100 ms or the PLC scan rate (whichever is longer)
Timing AB – AllGridAlarmsOK follows the timing of the alarm that causes it to be cleared or set.
LEDs
LED
RUN
FLT
GRID 1
GRID 2
State
Green The module is operating correctly and communicating with the RX3i.
Red The module is operating without backplane communication.
Off The module is not operating.
Green, blinking During the period when GREEN is ON, Grid 1 can be connected to Grid 2.
Green, steady Grid 1 and Grid 2 are connected.
Red The module has detected a fault condition.
Off The module has not detected a fault and the grids are not synchronized.
Green Indicates a voltage signal has been detected on Grid 1.
Red A frequency out-of-range condition has been detected on Grid 1.
Off No zero crossing signal of Grid 1 has been detected during the last 250 ms
time period.
Green Indicates a voltage signal has been detected on Grid 2
Red A frequency out-of-range condition has been detected on Grid 2.
Off No zero crossing signal of Grid 2 has been detected during the last 250 ms
time period.
RX3i Power Sync and Measurement System
Definition