Reference Manual D VA 3120 Version1.1
Page 23
Alarm/LED Status Indicators
The D VA 3120 module has built in LED indicators,
which serve as alarm and status indication for the
module. Function is described below.
The Indicators are found on the bottom of the
module and can be seen through the access hole
provided. (Figure 2)
Channel Condition Indicators
Two status LED` are provided on the module edge,
one for each channel and can be seen through
the access holes (figure 2)
Front Panel Alarm Indicator
There is also a single alarm LED on the front side of
the module, which is designed for quick and easy
indication of a problem condition in installations
where visible access to the bottom of the module is
not convenient.
LED
OFF
indicates power is lost, or there is a power
supply fault.
LED Color
Indication
Green Input
Present
Yellow Adjustment
aid
Red No
input
LED Color
Indication
Green
Signal Present (in 2 x 1:4 mode green =
both signals present)
Yellow
One input signal missing (in 2 x 1:4
only, LED not active in 1:8 mode)
Red
No input signal on active inputs
