GE Industrial Solutions CPS6000 - Manual (Page 137)

CPS6000 –48V Indoor/Outdoor Power Shelf
Issue 21 January 2008
137
the rectifier will shut down. It will restart when the temperature drops below 10°C below the
threshold.
Prior to shutdown, the rectifier transmits a rectifier fail alarm to the system controller. While
in the thermal shutdown mode, the rectifier front panel LEDs will light as indicated in the
Status LED table.
Hiccup: If the rectifier output is short-circuited or if its output voltage drops below 36V, the
rectifier will go into a hiccup mode. In this mode, the rectifier will shutdown for 10s and
attempt to restart. If the short circuit conditions exist, the rectifier will shutdown and perform
another restart in 10 seconds. If the short / overload persists, the rectifier will shut down and
attempt to restart a maximum of 3 times. After 3 restart attempts, the rectifier will shut down
and lock out.
AC Fail: If the ac input voltage goes out of the operating range, the rectifier will issue an AC
Fail alarm.
Current Limit: This is an indication that the rectifiers are delivering maximum current to the
load. This is a situation that can occur after a battery on discharge event when the utility
service comes back. The rectifiers will be powering the load as well as providing charging
current to the batteries. Normal operation will resume and the blinking LED will stop
blinking once the batteries are charged. See graph below for more details. While in the
current limit mode, the rectifier front panel LEDs will light as indicated in the Status LED
table.
Remote Standby: These rectifiers may be placed in standby mode by the Controller. When
in standby, ac power is still provided to the rectifiers but the output is inhibited. When the
controller is queried, it will report this rectifier’s status as STANDBY. While in the standby
mode, the rectifier front panel LEDs will light as indicated in the Status LED table.
Communication Loss: If the rectifier loses communication with the system controller, it will
blink its Alarm LED. Once communication is lost with the system controller, the rectifier
output voltage will remain at the last voltage set by the system controller.