Maple Systems HMI5000L Series - Manual (Page 6)

6 HMI5000L Installation Guide
1010-1018 Rev 01 www.maplesystems.com
Figure 1: Typical Panel Layout
1. Also HMI5121XL and HMI5150XL
2. Also HMI5043L and HMI5070NL
Control Panel Grounding
The control panel must be connected to a good, high-integrity earth
ground both for safety considerations and shielding purposes. Maple
Systems cannot overemphasize the importance of good grounding. If you
fail to use good grounding procedures during installation, sporadic
malfunction of the HMI may occur.
Connect the HMIs chassis ground terminal to a reliable earth ground
with a low-resistance path.
Route all earth ground wires that lead from the HMI, the PLC, the power
supply, and the line filter to a central earth ground point such as a barrier