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QUESTION:
Why do the analog output channels of my SM-335 not work?
ANSWER:
With release 05 and 5 of SM 335 (6ES7 335-7HG01-0AB0) the following
has to be considered:
If, for example, in SM 335 only channels 0 and 1 are activated
and 2 and 3 are deactivated, channel 1 will not work correctly.
Channel 1 will not give any output and channel 0 is working. If
channels 0, 1 and 2 are activated, but 3 is deactivated, output
channel 2 will not work correctly.
Remedy:
Activate all four channels. If a channel is
not used, it should not be connected (leave pins open).
Note:
In release 7 the output channels can be activated independently of
each other.
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german
