Relay output terminals
When relay output terminals are connected with inductive loads (relays, contac-
tors, solenoid valves, motors, etc.), following noise suppression circuits need to
be applied at the coils of the inductive loads, as close as possible to the induc-
tive loads, in order to reduce the electromagnetic interference generated from
inductive load action.
Tb Shared terminal
Tc Normally closed contact
Ta Normally open contact
RC RC filtering
VDR Varistor
D Diode
Fig. 8-13: Noise suppression circuits for relay output terminals
Bosch Rexroth AG
Frequency Converter Wiring
EFC x610 Series
60/389
DOK-RCON03-EFC-X610***-IT05-EN-P
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