Net Safety Monitoring
MAN-0015 Rev 14 UVIRS-A/AR
16
November 07, 2008
Condition Status—
Current Output
The Current Loop status can also be measured to determine detector
condition.
Test Jacks are available on the Analog board in the Net Safety Multi-Purpose
Junction Box. Refer to MAN-0081 for details. The area must be de-classified
prior to opening the Junction Box. The detector can also be monitored using
the 4-20 mA Signal Output.
Table 5: Status LEDs and Current Output
LED Status
Current
O/P
Green LED
(PWR)
Red LED
(Alarm)
Yellow LED
(Fault)
Internal power
Fault or
system power
out of range
1mA OFF
Solid
Automatic or
Manual VI
Test Failure
2mA OFF OFF
Flashing
Power up – 90
secs start delay
3mA Solid OFF
OFF
Normal
Operation
4mA Solid OFF
OFF
Background
UV Source
6mA Solid OFF
OFF
Background
IR Source
8mA Solid OFF
OFF
Manual VI
Testing
Adequate
10mA Solid Solid
OFF
Manual VI
Testing Good
11mA Solid Solid
OFF
Manual VI
Testing
Excellent
12mA Solid Solid
OFF
Early Warning
– Intermittent
UV/IR
detected
16mA Solid OFF
OFF
Fire
Confirmed
20mA OFF Flashing
OFF
