PLC/Host
Ground wires
HMI is
grounded to
control panel
Ground strap
Quiet ground
(isolated)
AC
Power
Line
Filter
HMI
Power
Supply
Shielded
power cable
Control panel is
tied to a reliable
earth ground
2
1
3
4
5
(rear side)
HMI5100L
1
(rear side)
HMI5070L
2
2
3
1. Also HMI5102L, HMI5103L, HMI5120XL, HMI5121XL and HMI5150XL
2. Also HMI5043L, HMI5043LB, HMI5043DL, HMI5070DL, HMI5070LB, HMI5070NL, HMI5071L, HMI5097DXL, and HMI5097NXL