4 HANDLING
4-6
4.3 Handling Digital Input and Output Modules
4.3.1 Digital input modules
Leakage current could end up in false AC inputs, such as a contactless switch or switch with a
neon lamp. Connect a resistance to the input terminal as shown below to reduce the input
impedance of the input module.
or
Input
Common
AC input module
Leakage current
Resistance
Figure 4-4 Connecting a Resistance to an AC Input Module
If leakage current makes for false DC inputs, such as a switch with an LED indicator, connect
a resistance as shown below to hold the voltage present between the input terminal and the
common to the OFF voltage or below.
Input
Common
DC input module
Leakage current
Resistance
Figure 4-5 Connecting a Resistance to a DC Input Module
Summary of Contents for S10mini LQS070
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