Tsuruga 471A, Быстрое руководство, Страница: 15 / 48

13
Connection of input signal
Power supply for the sensor is connected from terminal No.A1-A3. If the power supply of sensor
is applied from external sources, the connection of terminal No. A1 will not be required. When
sensor power source is not used, A1 will be vacant and do not used it for other purpose.
○＋ Sensor power supply
Connection example of
（ +V ､ 0V ）
○ Connection example of
two-wire transmitter
!
Caution

If sensor power supply terminal A1 is accidentally short-circuited with
COM terminal A2, it may cause malfunction of the sensor. At that time,
guarantee of the counter value can
’
t t be given because of error in internal
memory writing.
Connection of P.O output
Terminal No. A5 and A6 give the output
the total sync pulse of NPN Open
collector.
Please connect the load with the
contact capacity within the specification
range.
（ Refer Page 23 『 General specification 』）
A1
A2
A3
A4
A5
A6
SENSOR
HI
LO
P.O
COM
P.O COM
(12V or 24V)
0V － ＋ ＋ V
p
ow
er
Se
n
so
r
o
ut
pu
t
Se
ns
or
su
pp
ly
A1
A2
A3
A4
A5
A6
SENSOR
HI
LO
P.O
COM
P.O COM
(12V or 24V)
T
wo
-w
ir
e
t
ra
ns
mi
tt
er
1
2
3
4
5
6
A B C D E
A1
A2
A3
A4
A5
A6
P.O
P.O COM
1
2
3
4
5
6
A B C D E