12 lines
532 B
Markdown
12 lines
532 B
Markdown
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![[Pasted image 20231130161926.png]]
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the "keys" at the backside of the module avoid that you can plug in a "wrong" module.
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e.g. you have a DI-module; the key allows only to plug in a DI-module and not a DQ or AI or...
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For the most modules you have the same type of base-unit.
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If you plug in your modules at the first time then you have a pattern at the base-unit.
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If you want to change the module you can't plug the wrong part.
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https://support.industry.siemens.com/forum/it/en/posts/et200sp-io-module-installation/252172
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