1
Introduction
The LCD5511 keypad presents system
statu s u sing an LCD display alo ng w ith
symb o ls and nu mb ers. The keypad c an
b e u sed o n sec u rity systems w ith u p to
6 4 z o nes. The LCD5511 is c o mpatib le
w ith the fo llo w ing DS C sec u rity systems:
• P C58 0 /P C58 5
• P C50 0 8
• P C1555/P C156 5 • P C50 X X
Specifications
• V o ltag e rating : 12 V
DC
no minal
• Co nnec ts to c o ntro l panel v ia 4 -w ire
K eyb u s
• O ne keypad z o ne inpu t/P G M o u tpu t
• Cu rrent draw : 2 2 mA (standb y) / 8 5mA
(max imu m)
• O ptio nal tamper v ersio n
• F o u r pro g rammab le fu nc tio n keys
• R eady (g reen) and A rmed (red) statu s
lig hts
• Lo w temperatu re senso r
Instal
l
ation
Unpacking
The LCD5511 pac kag e inc lu des the fo l-
lo w ing parts:
• O ne LCD5511 keypad
• F o u r mo u nting sc rew s
• o ne end-o f-line resisto r
• three keypad inner do o r lab els
• o ne tamper sw itc h
• su rfac e tape
• o ne u ser Instru c tio n M anu al
• o ne Installatio n M anu al
M ounting
Y o u sho u ld mo u nt the keypad w here it is
ac c essib le to desig nated po ints o f entry
and ex it. O nc e yo u hav e selec ted a dry
and sec u re lo c atio n, perfo rm the fo llo w -
ing steps to mo u nt the keypad.
R emo v e the keypad b ac kplate b y
lo o sening the sc rew (o ptio nal) lo c ated
at the b ase o f the u nit.
S ec u re the keypad b ac kplate to the
w all in the desired lo c atio n. U se the
sc rew s pro v ided.
To u se the keypad tamper, insert the
tamper sw itc h su pplied into the o pening
lo c ated in the c entre o f the b ac kplate.
F o r tamper u se, try to ensu re the b ac k-
plate is mo u nted o n a smo o th, flat su r-
fac e. If mo u nting o n a ro u g h su rfac e,
fasten the enc lo sed su rfac e tape to
the w all to ev en o u t the su rfac e area
w here the tamper w ill b e po sitio ned.
B efo re attac hing the keypad to its
b ac kplate, c o mplete the keypad w ir-
ing as desc rib ed in the nex t sec tio n.
Wiring
1. B efo re w iring the u nit, ensu re that all
po w er (A C transfo rmer and b attery) is
disc o nnec ted fro m the c o ntro l panel.
2 . Co nnec t the fo u r K eyb u s w ires fro m
the c o ntro l panel (red, b lac k, yello w
and g reen) to the keypad terminals (R
B Y G ). Co nsu lt the diag ram b elo w :
RED BLK YEL GRN
T o Z o n e In p u t/
P GM O u tp u t
R
B
Y
G
Z /P
LC D
5 5 1 1
