
8 Control Input/Output
58
© Copyright Reserved Autonics Co., Ltd.
8.1.3
Example of Input Circuit Connection
All input circuits are insulated with photocoupler.
It is recommaneded to use 24VDC at VEX and short R
L
.
In case of using external power over 24 VDC
ᜡ
power, select R
L
value that I
F
(forward current
of primary LED) of photocoupler to be around 2.5mA (max. 10 mA).
R
L
=
VEX
−
1.25V
0.0025A
−
10
ⅹ
10
3
Ω