IMPULSE®•G+/VG+ Series 4 Analog Monitor Installation Manual
August 2011
1-21
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 50 m (164 ft.).
•
Separate the control wiring to the option, main circuit wiring, and power lines.
Interface Circuit
Figure 12: Output Interface Circuit
Digital Operator Display
Fault Name
oFC02
Option Fault (CN5-C)
Two of the same options are connected simultaneously.
Cause
Possible Solution
Same type of option connected to drive
ports CN5-A, CN5-B, and CN5-C.
Use only compatible options.
