viii Ethernet module User’s Manual
CAUTION
1.Ensure adequate safety in changing a
program or delivering a forced output during
operation, or in performing RUN, HALT, or
other operations.
Operation errors could cause mechanical
breakdowns and accidents.
Mandatory
1.Prepare programs after fully understanding
the manual.
The sample programs are basic examples
and must be adequately studied for
applicability to an actual system.
Mandatory
1.The EN311 cannot be simultaneously
connected to 10BASE5 and 10BASE2
systems.
Do not connect unused network cables to
the EN311.
Failure to observe this could cause trouble
and/or malfunction.
2.Do not operate the 10BASE5/10BASE2
selector dual switches during data
transmission or reception. Otherwise, it
could cause trouble and/or malfunction.
3.To change the positions of the dual
switches, change the upper and lower
switches together.
Proper selection cannot be made by
changing the position of only one of them.
Forbidden
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