Section 3 - LED Functionality
9
3.4 Danger LEDs
* If one channel in the monitor is bypassed or not OK and if the other channel then goes
into Danger, the Danger relay will be activated.
NOTE: The monitor will not annunciate a danger condition if the monitor is in the
nonlatching mode and a danger condition existed but is no longer
present.
DANGER RELAY
DRIVE
LED DISPLAY
A B
CONDITION
OR
Votin
AND
Votin
*
z DANGER {
{ DANGER z
z DANGER z
If a channel's DANGER LED comes
on, that channel has exceeded its
Danger setpoint level. Section 5
describes how to read setpoint
levels.
ON
ON
ON
OFF
OFF
ON
{ DANGER
DANGER {
A flashing DANGER LED indicates
that the channel was the first in the
rack to exceed its Danger setpoint
since the last power up or reset.
Two channels may indicate first out
following self test.
If two channel danger alarms occur
within 50 milliseconds, both LEDs
could flash.
ON
ON
OFF
OFF
z
ON
{
OFF
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