The EL9410 power supply terminal is used to refresh the E-bus. Data is exchanged between the coupler and the EtherCAT Terminal over the E-bus. Each terminal draws a certain amount of current from the E-bus (see ??current consumption E-bus?? in the technical data). This current is fed into the E-bus by the relevant coupler??s power supply unit. In configurations with a large number of terminals it is possible to use the EL9410 in order to supply an extra 2 A to the E-bus. In addition to the E-bus refresh, a 24 V DC supply of up to 10 A can be provided for the power contacts. The EL9410 has a diagnostic function which is displayed by LED and on the process image.
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