User Manual

2-
1.
Op
en
a
nd
unpa
ck
t
he
ant
enn
a,
b
at
t
er
ies,
t
r
ansmi
t
t
e
r
and
r
eceiver
unit
s.
2-
2.
Loosen
scr
ews
f
r
o
m
t
he
t
op
co
ver
and
r
e
move
t
he
lid.
2-
3
. Re
mo
v
e
th
e
Tr
a
n
s
mitte
r
PCB b
y
p
u
llin
g
u
p
wa
r
d
o
n
o
n
e
o
f th
e
s
ilic
o
n
e
c
a
p
s
.
2-
4
.
Rout
e
t
he
wir
es
f
r
om
t
he
monit
or
ed
edge
t
hr
ough
t
he
st
r
ain
r
el
i
ef
cabl
e
f
i
t
t
ing
f
o
r
appr
oximat
ely
f
our
inches.
St
r
i
p
t
he
i
nsulat
i
on
f
r
om
t
he
t
wo
wi
r
es
back
¼”
and
secur
e
t
he
wir
es
in
t
he
t
er
mi
nal
bl
ock
mar
ked
SE
1.
(Not polarized.)
A
Knockout
(
K.
O.
)
swit
ch
ma
y
be
wi
r
ed
t
o
t
he Tx
t
er
min
al
st
r
i
p
mar
ked
KO.
(
Either normally open or normally closed
switches may be used.
)
2-
5.
Pla
c
e
th
e
two
AA
L
ith
iu
m b
a
tte
r
ie
s
in
th
e
ir
h
o
ld
e
r
s
in
th
e
p
r
o
p
e
r
d
ir
e
c
tio
n
, p
a
y
in
g
a
tte
n
tio
n
to
th
e
(
+)
a
n
d
(
-
)
e
n
d
s
.
2
-
6
. Tu
c
k
th
e
wir
e
s
c
o
n
n
e
c
te
d
to
th
e
SE te
r
min
a
l b
lo
c
k
n
e
a
tly
b
e
twe
e
n
th
e
b
a
tte
r
ie
s
a
n
d
p
u
ll th
e
e
x
c
e
s
s
wir
e
b
a
c
k
th
r
o
u
g
h
th
e
s
tr
a
in
r
e
lie
f.
Re-seat
t
he P
CB
in the case, and securely tighten the
cable fitting.
2-7. S
et the
Termination
Type switch to either 10K or DC.
(see A
ppendi
x)
This selection must match the
Termination Type in the Safety Edge.
2-8. Address S
witches
S
et
t
he Group (red) and A
ddress (blue) switches to the
desired position.
(Note the settings for reference when
setting up the Receiver.)
If the Group switch is set to 0, the Address switch may be
set to any position between
0 and F.
If the Group switch is set to 1, the Address switch may be
set to any position between 0 and B.
(
The remaining positions, C, D, E, and F are reserved for
factory test.
)
P.O. Box 159 • West Grove, PA 19390 • 800-220-3343 • 610-869-4422 • Fax: [phone] • www.milleredge.com
6809 South Harl Ave., Suite A • Tempe, AZ 85283 • 800-887-3343 • 480-755-3565 • Fax: [phone]
MEL-K20_Inst_20140708
Model # MEL-K20
I
N
S
T
A
LLA
TI
O
N
I
N
STR
U
C
TI
O
N
S
IMPORTANT:
READ AND UNDERSTAND ALL INSTRUCTIONS BEFORE BEGINNING INSTALLATION.
Parts List
Kit Contents:
1. MEL-TX20 Transmitter Unit
2. MEL-RX20 Receiver Unit
3. Receiver Antenna
4. (2) AA Lithium Batteries
5. 3 ft. 20 AWG lead wire
6. (4) #6 Pan Head Transmitter Mounting Screws
1-
PART NUMBER
2- Install Transmitter and Test
T
h
e
M
o
n
i
t
o
r
e
d
E
d
g
e
L
i
n
k
(
M
EL)
t
r
a
n
s
m
i
t
t
e
r
/
r
e
c
e
i
v
e
r
s
y
s
t
e
m
i
s
i
n
t
e
n
d
e
d
t
o
p
r
o
v
i
d
e
a
w
i
r
e
l
e
s
s
c
o
n
n
e
c
t
i
o
n
b
e
t
w
e
e
n
a
m
o
n
i
t
o
r
e
d
s
a
f
e
t
y
e
d
g
e
a
n
d
a
m
o
t
o
r
i
z
e
d
o
p
e
r
a
t
o
r
th
a
t c
o
n
tro
ls
th
e
a
s
s
o
c
ia
te
d
d
o
o
r o
r g
a
te
. M
E
L
m
e
e
ts
th
e
U
L
-3
2
5
/2
0
1
0
r
e
q
u
i
r
e
m
e
n
t
s
f
o
r
m
o
n
i
t
o
r
e
d
d
e
v
i
c
e
s
a
n
d
h
a
s
b
e
e
n
c
e
r
t
i
f
i
e
d
a
s
a
U
L
3
2
5
r
e
c
o
g
n
i
z
e
d
c
o
m
p
o
n
e
n
t
.
I
t
i
s
d
e
s
i
g
n
e
d
f
o
r
u
s
e
o
n
o
p
e
r
a
t
o
r
s
t
h
a
t
c
o
m
p
l
y
w
i
t
h
U
L
3
2
5
-
2
0
1
0
u
s
i
n
g
a
T
2
o
r
T
3
t
e
r
m
i
n
a
t
e
d
e
d
g
e
s
e
n
s
o
r
.
Required:
1. 1/8” Flat blade screwdriver
2. 1/4” Flat blade screwdriver
3. T2 (10K/Blue Band) or T3 (Diode-
Capacitor/Red Band)Terminated Sensing Edge
Recommended:
VOM for test purposes
Mounting screws as required for receiver
T
OP LID
SCREWS
TRANSMITTER
PCB
TEST BUTTON
TERMINATION
SELECTION
SILICONE
CAP (4)
STRAIN RELIEF
FITTING
(2-6) EDGE WIRING TO
TERMINAL BLOCK
MEL-K20_Inst_20140708_WPE Instuctions 7/16/14 12:01 PM Page 1