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Exit button
Door Contact
Tamper switch
PSU monitoring
A NO switch may be fitted so that it is held closed while
the door is shut.
The Contact LED will be ON when the switch is closed.
- Door Closed.
The PSU LED will be ON when the NO Relay contacts are
closed. - Power OK.
When the Exit terminal is shorted to 0V, the ACU will illuminate the Exit LED and activate the lock output for the set
'Door open time'. The lock output will remain active while the short to 0V remains and the reader/exit button Green
LED will flash during this period. More than one exit button can be wired in parallel.
A Lock output, Relay output or Alarm output must be configured to function as the Door Lock output.
When connected, Net2 will check the door position during
access activity and will raise an Alarm in the event of a
'Door Forced' or 'Door left open' condition.
The Tamper LED will be ON when the switch is closed.
Net2 will monitor the switch position and will raise an
Alarm in the event of a 'Tamper' condition.
The Net2 software will monitor the relay contacts and will
raise an Alarm in the event of a 'Power Fail' condition.
Door Bell - Relay output
Pressing the bell button on the keypad will energise the
Door bell output for 1 second.
The Lock output, Relay output or Alarm output must be
configured to function as the Door Bell output.
This wiring illustration shows the Relay output configured
for the Door Bell function.
See Specification table for Output ratings.
12V
12V Lock
0V
0V
N.C.
N.O.
COM
0V
yal
e
R
kc
oL
st
up
tu
O
re
wo
P
12V
Green LED
Exit
0V
no
tt
u
B
ti
xE
Exit
0V
Contact
0V
0V
Tamper
PSU
ti
xE
st
up
nI
tc
at
no
C
re
p
ma
T/
U
SP
COM
N.O.
N.C
Exit
0V
Contact
0V
0V
Tamper
PSU
ti
xE
st
up
nI
tc
at
no
C
re
p
ma
T/
U
SP
COM
N.O.
N.C.
Exit
0V
Contact
0V
0V
Tamper
PSU
ti
xE
st
up
nI
tc
at
no
C
re
p
ma
T/
U
SP
Where fitted, a 'push to make' button is required.
(See Specification table for ratings)
The Exit LED will be ON when the switch is closed. -
Button Pushed.
The ACU supplied in a plastic housing has a 'NO' tamper
switch fitted and pre-wired into the circuit board.