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Initial Power up and Discovering
SR2MAN01 11/2007 19
Characteristics and Connections
Introduction Here is detailed information on the characteristics of DC smart relay connections.
Recommended
connection
It is recommended to connect the smart relay to a regulated DC power supply:
Possible
Connection
It is possible to connect the smart relay to a rectified filtered regulated power supply:
Provided that it verify the following characteristics, according to the type of smart
relay:
Prohibited
Connection
It is prohibited to connect the smart relay to a rectified non-filtered power supply:
24 V=
/=
RECOMMENDED
Regulated
ABL7R
220 V
SR2 ... BD SR2 ... JD
U max < 30 V
U min > 19.2 V
U max < 14,4 V
U min > 10.4 V
POSSIBLE
Rectified and filtered
U max
U min
PROHIBITED
Rectified non filtered