IMPULSE®•G+/VG+ Series 4 Analog Input Installation Manual - August 2011
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Preventing Noise Interference
Take the following steps to prevent erroneous operation caused by noise interference:
• Use shielded wire for the signal lines.
• Limit the length of wiring under 10 m (32 ft.).
• Separate the control wiring to the option, main circuit wiring, and power lines.
Interface Circuit
Figure 15: Interface Circuit