Autonics LA8N Series Manual - Página 3
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LA8N Series
Voltage input (Standard sensor: PNP open collector output type sensor)
● Solid-state input
[Sensor]
+V
+
12-24VDC
SIG.
-
INPUT
OUT
RESET
0V
※ For backlight function model, the input terminals are no.
Free voltage input
[SIG. INPUT]
6-240VDC 24/240VAC
[RESET]
Input from AC type proximity sensor
In case of free voltage input type, do not connect AC proximity sensors instead of a switch as shown in the figure 1.
It may cause malfunction due to sensor's leakage current. Connect a relay as shown in the figure 2.
(Fig. 1)
SIGNAL INPUT
AC type
proximity
<Example of wrong connection>
Set switch
SW1(
Switch )
1
SW1 is a switch to Enable/Disable
the front panel RESET key.
※ Factory default: Enable
SW2(
Switch )
2
SW2 is a switch for setting
max. counting speed.
※ Factory default: 1cps
( Free voltage input type:
20cps is fixed)
J-6
[Counter]
3V
20㏀
4.7㏀
[Counter]
3V
1㏀
560㏀
3V
560㏀
1.2㏀
1.2㏀
RESET
1
2
3
4
5
~
!
100-240VAC
● Contact input
SIG. INPUT
560㏀
RESET
4.5-30VDC
※ Please use reliable contacts enough to flow
3VDC 5㎂ of current.
,
and the GND terminal is no.
※ AC type proximity sensor cannot be used as the source of
count input signals.
※ Input terminal( , )and reset terminal ( , )are insulated
inside.
※ It is not possible to reset with AC power or DC power.
※ When relay contact is used as the source of RESET signal,
please use reliable contacts enough to flow 3VDC 5㎂ of
current.
(Fig. 2)
SIGNAL INPUT
1
2
[Counter]
20㏀
4.7㏀
+ -
.
RESET
1
2
3
4
5
Relay
~
!
100-240VAC
<Example of correct connection>
Front panel
Enable
2
1kcps
30cps
3V
560㏀
AC type proximity
1
Disable
Front panel
1cps