horiba LO-300, Инструкция по эксплуатации

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Installation
29

Protection of receiver side
When there is any influence of lightning, devices may be damaged by the noise caused by
lightening surge and intruded to the detector and receiver (device of the customer) through the
power line and signal line.
If preventive measure for lightning is not prepared, customer must provide measures against
lightening surge according to Fig.19.
Fig. 19 Example of lightning surge measures
(SG)
(+S) (

S)
[LO-300
Oil
La
se
r Scan
ning
-type
Oil
F
ilm]
4
mA
to
20
mA
GND
*O
il
film ala
rm (AL)
cont
act
(NC)
(NO)
O
R
(CO)
(CO)
10
0 V
AC
(U) (V)
GND
(G)
*System
error
(ER
) co
nt
ac
t
(NC)
(NO)
O
R
(CO)
(CO
)
Ho
using
GND
GND
H
ousin
g GND
GND
H
ousin
g GND
Dist. p
an
el
Arre
sti
ng uni
t
MDP-100
(M-SYSTEM)
+P

P
G
Arresti
ng uni
t
MDP-24-1
(M-SYSTEM)
+P

P
+S

S
+S

S
G
R
•A•V
-40
1B W
Z
-2A
1
2
R•A•
V
-40
1B WZ
-2
A
1
2
Local
p
a
nel
Arre
stin
g unit
MDP-100
(M-SY
S
TEM)
+P

P
G
Arresting un
it
MDP-24-1
(M-
SYSTEM
)
+P

P
+S

S
+S

S
G
R•A•V
-401B WZ-2A
R•
A•V
-401
B W
Z
-2A
1
2
1
2
NF
B
4 mA
to 20
mA
Oil film alarm cont
act
100 V
AC
GND
Error cont
act
Arresting module
Arre
stin
g mo
dule