16
2
Installation & Connection
16
In
sta
llation
&
Conn
ectio
n
Chapter
2
2-7.
External output connection
External output circuit has been set to PhotoMOS relay output. Common is A1.
The capacity of PhotoMOS relay output is 100mA, and the withstanding voltage is up to 30V.
Plus common connection and minus common connection are possible.
Plus common connection
<Equivalent circuit>
Minus common connection
<Equivalent circuit>
Output
Spark killer
Load
Inside F325
Spark killer
DC power
Varistor
Load
AC power
Vext
Output data PhotoMOS relay
OFF
OFF
ON
ON
●
PhotoMOS relay condition
Output common
PLC and so on
Minus common connection
A2
A6
A1
Relay
Relay
supply
supply
to
Output common
Spark killer
Load
Inside F325
Spark killer
DC power
Varistor
Load
AC power
Relay
Vext
Output data PhotoMOS relay
OFF
OFF
ON
ON
●
PhotoMOS relay condition
Output
Vext
PLC and so on
Plus common connection
A1
Relay
Vext
supply
supply
A2
A6
to