Siemens S5-100U - Page 404

S5-100U Function Modules
Typical Application
A comparator module is mounted at slot 4. The current source is connected to channel 1. If the
Schmitt trigger 1 detects that the current has exceeded the preset value, output 5.1 is to be set.
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Terminal Connections
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STL
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a a a a a a a a a a a a a a
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a a a a a a a a a a a a a a a a
Explanation
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A I 4.1
= Q 5.1
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a
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a
a
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a
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a
a
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a
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a
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As soon as the limit is reached or exceeded, input 4.1
becomes "1"; this sets output 5.1 to "1".
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10
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7
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9
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2
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4
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6
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8
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5
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EWA 4NEB 812 6120-02 15-3