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SM-I/O 24V Protected User Guide
www.controltechniques.com
Issue Number: 2
8
Protection
8.1
E.M.C immunity
The Solutions Module must not be damaged and performance must not be adversely
affected.
Fast transient burst EN61000-4-4
2.2kV 5ns/50ns @ 5kHz 15ms burst duration and 300ms burst interval, 2kV wire clamp.
RF Common mode
ENV 50141
150kHz - 80MHz @ 10V + 20%
ENV 50140
80MHz - 1000MHz @ 10V + 20%
8.2
Incorrect wiring
Digital inputs / Digital IO can wit 60V with respect to the user terminal 0V. A
drive trip is generated when the input voltage e35V.
Other terminals can withstand indefinitely without damage or degradation
±
36V with
respect to the user terminal 0V (user 0V or drive 0V) when the drive is powered,
unpowered and during the transitions.
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