MPI-50
Security
Control
NOTE:
This erampto
illuBi.at€s
hookup to a MPI-50
Securlty
control
whlch
provldo3
negative
oulputtrlggare.
Many controls
provi{le
Posltlv6
outputs
io
which caEs it wlllbo necossary
to change tho
MPI-712a
inFuI
polafity,
See
"Conrlguring
th€
MPI-712a io accepl Posltlve
Inpufs
'on
prgo
7.
Auxiliary F.lry
Outpor
1y
iE
"9
g
3: :t I
456
l
I
910
I
E
NOTE: Blu€ .nd
white leads clorg
XOTE:
Ths Ar
upon €ntry ot afm/
Oisaam cod€.
+l2VOc ouQur
Figufe 2 MPI-50 Contol Pancl Hookup
more 19cenl
for loua.tunctlor
appllcallons,
Electric Door Release/Holder
Hookup
Many types ot electrio door
locking devices
(
t ?VDC solenoid actuated doot sl kes and electrcmagnelic door holde6\
cteale elect@magnetic
noise and tansienls
when
they ar€ energized and d€-energiz€d. This can cause leedback
and
destruction io solid state circuatry.
Forthis reason, adiode mustbe used lo
polarize
lhe oulput in
conjunction
wilh
a capacitorlor noise suppression when
using the MPI-712a to operate such a device.
Figure
3
illustrates
the
recommended
hookup lor a 12VDC operated door
release/hold6r. 8e sure
not
to exce€d the
rnaximum currenl ralino
ol
the auxiliary
and arm relays.
The tollowing cofiponents musl bs add€d:
C
=
O
nr
Co6m'c C.p!dto.
{R.d'o
Srac\
Psd
No 2?2
tlt
l
Dr
-
1NaOO3
Diod.(R.dio SlEcrPanNo.276.fi03)
+
15)
G|H
{6)
o'r^s€ --
}E
12VDC
Eiect c Ooor
R€l€ase
Figule 3
Etectic
Doot Retease Hookup to Auxitlary nehy
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