Mitsubishi Q01CPU User Manual page 282

10
LOADING AND INSTALLATION
10
- 38 10.6 Wiring
10.6.1 The precautions on the wiring
• Momentary power failure may be detected or the CPU module may be reset due
to serge caused by lightening.
As measures against serge caused by lightening, connect a surge absorber for
lightening as shown in Diagram 10.39.
Using the surge absorber for lightening can reduce the influence of lightening.
AC
E1
E1
Diagram 10.39 Connecting a lightning surge absorber
POINT
1. Separate the ground of the surge absorber for lightening (E1) from that of the
programmable controller (E2).
2. Select a surge absorber for lightening whose power supply voltage does no
exceed the maximum allowable circuit voltage even at the time of maximum
power supply voltage elevation.
Programmable
controller
I/O devices
E1 E2
Surge absorber for lightening