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YASKAWA 1000 Series Installation Manual page 24

Analog monitor
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7 Troubleshooting
Digital Operator Display
Cause
Same type of option connected to unit ports
CN5-A, CN5-B, and CN5-C.
Preventing Electrical Signal Interference
Take the following steps to prevent erroneous operation caused by electrical signal
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 11
24
Option Fault (CN5-C)
oFC02
Two of the same options are connected simultaneously.
Use only compatible options.
Signal
+
processor
Figure 11 Output Interface Circuit
YASKAWA ELECTRIC TOBP C730600 40E 1000-Series Option AO-A3 Installation Manual
Fault Name
Possible Solution
V1, V2
AC
AO

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