EIO16084 Bus Expansion Module User Manual V1.5
Chapter IV Expansion Module
4.1.
EtherCAT Expansion Wiring Reference
EIO16084 expansion module is powered by the single power. The main power can
supply power for IO, the main power uses 24V DC power.
After the expansion wiring is completed, each EIO expansion module does not need
to develop again. It only needs to manually configure the unique IO address and axis
address in the EtherCAT master controller, and it can be accessed after the configuration
is completed. The IO address number is set through the bus command NODE_IO, and the
program on the controller can access the resources on the expansion module only
through the IO number.
When wiring, pay attention that EtherCAT IN is connected to the upper-level module,
and EtherCAT OUT is connected to the lower-level module. The IN and OUT ports cannot
be mixed.
EIO expansion module wiring reference example (take ZMC408SCAN as an example):
Involved number concepts in above figure are as follows: the bus-related command
parameters will use the following numbers:
Slot number (slot):
The slot number refers to the number of the bus interface on the controller, and the
slot number of the EtherCAT bus is 0.
Device number (node):
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