BECKHOFF CX51x0 User Manual
Page 34
Mounting and wiring
4.5
Installation of passive terminals at the CX51x0 power
supply unit
Note
Note on the mounting of passive terminals
EtherCAT Bus Terminals (ELxxxx/ESxxxx) that do not actively participate in data exchange
within the Bus Terminal block are called passive terminals. These terminals can be recog
nized by their lack of power consumption from the EBus. In order to ensure optimum data
exchange, they must not be connected directly to the power supply unit as the first device!
Examples of the mounting of passive terminals (colored dark):
The following drawing shows impermissible mounting:
The following illustration shows the correct mounting of the passive terminal:
CX51x0
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Version 1.0