Panasonic FP7 Series User Manual page 45

■
Precautions for overload
To protect the units from overloading, it is recommended to attach an external fuse for each
point.
There are times that the elements for the output units cannot be protected even if external fuses
are connected.
■
Earth
● In order to avoid the effects of noise, be sure to ground the AFP7Y16R terminal.
● The grounding connection should have a resistance not in excess of 100Ω.
● The point of grounding should be as close to the PLC as possible. The ground wire should
be as short as possible.
● Sharing the ground with another device may have an adverse effect. Therefore, be sure that
grounding is dedicated.
● Sharing the ground with another device may have an adverse effect. Therefore, be sure that
grounding is dedicated.
WUME-FP7DIO-05
3.1 Wiring Precautions
3-5