In
s
tallation and mountin
g
Le
u
ze electronic
BCL
3
0
8
i
71
TNT
35/7-2
4
V
6.3.2
Avoidin
g
total reflection – Line
s
canner
The
ba
r code l
ab
el m
us
t
b
e po
s
itioned
a
t
a
n
a
ngle of inclin
a
tion gre
a
ter th
a
n ±10° … 15°
from vertic
a
l in order to
a
void tot
a
l reflection of the l
as
er
b
e
a
m (
s
ee fig
u
re 6.6)!
Tot
a
l reflection occ
u
r
s
whenever the l
as
er light of the
ba
r code re
a
der i
s
directly incident on
the
su
rf
a
ce of the
ba
r code
a
t
a
n
a
ngle of
9
0°. The light directly reflected
b
y the
ba
r code
m
a
y overlo
a
d the
ba
r code re
a
der
a
nd there
b
y c
aus
e non-re
a
ding
s
!
Fig
u
re 6.6:
Tot
a
l reflection – line
s
c
a
nner
6.3.3
Avoidin
g
total reflection – deflection mirror
s
canner
For the BCL
3
0
8
i
with
deflection mirror
, the l
as
er
b
e
a
m exit
s
a
t
a
n
a
ngle of 105° to the re
a
r
ho
us
ing w
a
ll.
An
a
ngle of incidence of 15° of the l
as
er to the l
ab
el h
as
a
lre
a
dy
b
een integr
a
ted in the
deflection mirror
s
o th
a
t the BCL
3
0
8
i
c
a
n
b
e in
s
t
a
lled p
a
r
a
llel to the
ba
r code (re
a
r ho
us
ing
w
a
ll).
Fig
u
re 6.7:
Tot
a
l reflection – line
s
c
a
nner
Zero
po
s
ition
Di
s
t
a
nce
a
cc. t
o re
a
ding
field
c
u
rve
s
B
a
r code
The BCL
3
0
8
i
s
ho
u
ld
b
e mo
u
nted in
su
ch
a
w
a
y th
a
t the
s
c
a
nning
b
e
a
m i
s
incident on the
ba
r code
a
t
a
n
a
ngle of
inclin
a
tion gre
a
ter th
a
n ±10° … 15° to vertic
a
l.
±10 … 1
5°
Di
s
t
a
nce
a
cc. t
o re
a
ding
field
c
u
rve
s
B
a
r code
The BCL
3
0
8
i
with deflection mirror
s
ho
u
ld
b
e mo
u
nted
p
a
r
a
llel to the
ba
r code.
15°
Zero po
s
ition
Содержание BCL308i
Страница 1: ...BCL308i Bar code reader en 01 10 2011 50117117 T E C H N I C A L D E S C R I P T I O N ...
Страница 63: ...Installation and mounting 68 BCL 308i Leuze electronic Figure 6 4 Mounting example of BCL 308i with BT 56 ...
Страница 132: ...Appendix 146 BCL 308i Leuze electronic Figure 15 2 Connection hood connector unit declaration of conformity ...
