SAFETY AND EMC GUIDELINES 2-5
SB1391 Hardware and Setup Guide - Document revision no. 1.14
2.3.2. Cable Lengths
Use short cables as much as possible, and route cables as far from other EMI sources as possible.
2.3.3. Shielding
To reduce EMI radiation, do the following:
• Attach the cable shield with a 180° metal clamp to a dedicated paint-free area around the unit.
• Install a ferrite core around the cable as close to the unit as possible to reduce.
FIGURE 2-3 Improved Shielding
2.3.4. Grounding the Control Module Box
1. Connect the control module box's ground point (PE screw) to the nearest machine chassis
ground point.
2. Connect the motor chassis to the machine chassis ground.
3. Avoid ground loops.
FIGURE 2-4 Case shielding (top of control module)
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