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The Modicon X80 Discrete Input/Output Modules User Manual, 35012474.18, page 259, states there is no protection against inductive over voltage and recommended a discharge diode on each output. See highlighted below.
Since the reference to diodes would apply to DC applications, the reference will be removed from the User Manual.
Since the reference to diodes would apply to DC applications, the reference will be removed from the User Manual.