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2 AT 2 AT DC 24 V external DC 24 V external Fig. 9 Fig. 10 Max. DC 30 V FDCIO221-CN Max. AC 22 V 2 AT FDCI221-CN FDCI221-CN NO/NC FDCIO221-CN FDCIO221-CN not used LINE not used – Fig. 11 Fig.
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Installation Intended use Electric connection The module can use the output for control purposes and NOTICE the input to monitor the status of a potential-free contact. Incorrect polarity and reliability of contact A housing is available to protect the module from environmental influences and to raise the protection Module defect or line interrupt category.