DKM-0208 User Manual V-1.0
(26.10.2015)
-8-
SIGNAL LEDs:
There are 8 red/green
adjustable signal leds on the panel.
According to the input signal and pressed
pushbutton,leds can be on Fast Flash,
Slow Flash, Steady On and Off states.
FAST FLASH: At the first detection of the
fault.
SLOW FLASH: Activated when the
ACK(alarm acknowledge) pushbutton is
pressed and if the fault is still active.
STEADY ON: Activated if the fault signal
disappears at SLOW FLASH condition.
LED OFF: The alarm led turns off when
RESET pushbutton is pressed and fault
signal is not present.
HORN/BELL LED:
If the HORN relay
turns on, the “red” led turns on. If the
HORN relay is not on and if the BELL
relay is on, then the “green” led turns on.
If both relays are off then the led is off.
FAIL/SAFE LED:
If an internal fault
condition is detected at self-test, then this
led will turn on “red”, else it turns on
“green”.
HORN RELAY:
If any “red” alarm led
turns on, then the horn relay will also turn
on. The relay turns off when ACK
pushbutton is pressed.
BELL RELAY:
If any
“green” alarm led
turns on, then the bell relay will turn on.
The relay turns off when ACK pushbutton
is pressed.
WATCHDOG RELAY:
At startup the
relay turns on. If the board fails, then the
wathcdog relay turns off.
3. DISPLAY AND RELAYS
Horn Button
Reset Button
Signal Leds
(1-8)
Test Button
Ack Button
Horn/Bell Led
Fail/Safe Led
Alarm Labels
(1-8)
