Special Condition For Ec 921 / Ec 922; Connection Value Limits For Ec 921 / Ec 922 - RMG EC 900 Operating Instructions Manual

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Special condition for EC 921 / EC 922

The D-Sub connector mounted laterally to the case must not be plugged or pulled under voltage. If
it remains unused, it has to be covered with a protective cap.
All signal circuits must be kept potential free.

Connection value limits for EC 921 / EC 922

The following connection value limits are valid for the zone 2 devices EC 921 and EC 922 only. For
the zone 1 devices EC 911 and EC 912 these values have to be taken from the EC type examination
certificate in the annex of this manual!
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SAFETY INSTRUCTIONS
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