Tyco Galaxy SC Controller User Manual

Tyco Electronics Galaxy SC Controller J85501F-1
Issue 13 February 2001 Feature Descriptions 7 - 2
AC Distribution The Galaxy SC supports monitoring of several AC distribution
parameters. The AC distribution feature may be configured through the
T1.317 interface using Easy View and viewed from the T1.317 interface
or front panel.
The feature supports monitoring the following parameters:
Phase voltages
Phase currents
Voltages between phases
Phase fail alarms
Master AC breaker alarm
Configuration of this feature involves linking remote peripheral
monitoring channels or derived channels to the DC Distribution, as well
as linking user-defined events to the AC Distribution alarms. For
examples on how this configuration is accomplished please see the
section of this manual entitled “T1.317 AC Distribution Management”.
Alarm Cut-Off
(ACO)
This feature provides a means for temporarily disabling the Power
Critical, Power Major, and Power Minor Audible alarm contacts. ACO
is useful for silencing local audible alarms while maintenance work is in
progress. Power Critical, Power Major, and Power Minor severities can
be individually enabled or disabled for ACO. An ACO time-out feature
for each alarm severity level is included to remove the ACO
automatically, setting the relays back to their active state after a
programmable time.
ACO is active when Power Critical, Power Major, Power Minor alarms
are active. When all Power Critical, Power Major, and Power Minor
alarms retire, ACO also retires. Any new Power Critical, Power Major,
or Power Minor alarm disables ACO. The user may toggle the ACO
state. The user must manually initiate ACO.
If alarms of different severity are active, only the highest severity power
alarm contact will be active. On ACO time-out, the audible alarms are
again activated. However, only the highest severity audible alarm will
be activated. Thus, if there are Power Critical and Power Major alarms
active, and ACO is activated; the Power Major ACO timer may retire,
but if the Power Critical ACO timer has yet to time-out, there will be no
active audible alarms. In addition, when all alarms of the highest
severity retire, the audible alarm contacts will activate the new highest
severity alarm level.

Tyco Galaxy SC Controller Specifications

General

Brand	Tyco
Model	Galaxy SC Controller
Category	Controller
Language	English