Lucent Technologies Lineage
®
2000 50A -48V 364A-3 SR Series Rectifier
Issue 6 January 1997 Engineering and Ordering 3 - 7
HV High Voltage is a contact closure between HV and RTN (pin 16)
indicating the plant voltage is too high. Upon receipt of the HV
signal, the rectifier responsible for the high voltage condition
will shut down.
HVSD High Voltage Shutdown is a contact closure between HVSD and
RTN (pin 16) indicating to the controller that the rectifier has
shut down due to high voltage.
LCA Low Current Alarm is a contact closure between LCA and RTN
(pin 16) indicating that the rectifier is producing less than 1.5
amperes and is in the load share mode. This signal is not used by
the ECS controller.
LS/LSR Load Share and Load Share Return are connected to other SR
series rectifiers to facilitate automatic (forced) load sharing.
OTR A contact closure between OTR and RTN (pin 16) originating in
the controller which forces the rectifier into the standby mode.
REG +/REG - Used to sense the plant voltage at the point of regulation.
RFA A contact closure between RFA and RTN (pin 16) indicating to
the controller that the rectifier has shut down due to high output
voltage, excessive internal temperature, a blown fuse or an
operated circuit breaker.
RIC Rectifier in cage is a connection between RIC and the positive
rectifier output which disables the rectifier's high voltage
shutdown circuits. No provisions for this connection are made in
the RSA.
Note
In plants without a controller, the REG- sense leads should be
fused with 1-1/3 ampere fuses.
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