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11 TROUBLESHOOTING
11.4 Examples of Troubles with the I/O Module
An input signal does not turn off No.5
■
Cause
By using two power supplies, a sneak path is configured.
■
Action
• Use one power supply.
• To prevent the sneak path, connect a diode as shown below.
E1
E2
E1
>
E2
DC input
Input module
E1
E2
DC input
Input module
Содержание NZ2MFB1-32D
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