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IMPULSE®•G+/VG+ Series 4 Digital Input Installation Manual - August 2011
1-23
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.
Digital Operator Display
Fault Name
oFC02
Option Fault (CN5-C)
Two of the same options are connected simultaneously
Cause
Possible Solution
DI-A3 option connected to CN5-C port
while another option was connected to
CN5-A port.
Only one of these options, DI-A3, AI-A3, or SI-XX can be
connected to the drive at the same time.
Digital Operator Display
Fault Name
oPE05
Run command/frequency reference source selection
error
Cause
Possible Solution
Frequency reference is assigned to an
option (b1-01 = 3) but an option is not
connected.
Reconnect the option to the drive.