YASKAWA 1000 Series Installation Manual page 27

Digital Operator Display
Cause
AI-A3 option connected to CN5-C connector
while another option was connected to CN5-A
port.
Digital Operator Display
Cause
Frequency reference is assigned to an option
(b1-01 = 3) but an option is not connected.
Digital Operator Display
Cause
At least two analog input terminals are set to the
same function.
Analog input terminal and pulse train input are set
to the same function.
◆
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 14
YASKAWA ELECTRIC TOBP C730600 38C 1000-Series Option AI-A3 Installation Manual
Option Fault (CN5-C)
oFC02
Two of the same options are connected simultaneously.
Only one of these options, AI-A3, DI-A3, or SI-
connected to the drive at the same time.
oPE05 Run command/frequency reference source selection error.
Reconnect the option to the drive.
oPE07 Multi-Function Analog Input Selection Error
Adjust H3-02, H3-06, and H3-10 settings so functions no longer
conflict.
TB1
V1, V2, V3
AC
10 kΩ
250 Ω
S1 to S3
Figure 14 Interface Circuit
7 Troubleshooting
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Signal
10 kΩ
processor
AI
can be
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