ECI3828 Network Motion Control Card User Manual V1.5
ALMRM indicator light is on, please check whether the wiring, resistor and dial
setting are correct, and whether the CANIO_ADDRESS command of the controller is
set as the master end (32), and whether the CAN communication speed is consistent.
4.2.
EtherCAT Bus Expansion
The EIO expansion module is an expansion module used by the EtherCAT bus
controller. It can expand the resources of digital IO and pulse axis. When the
resources of the controller are insufficient, the EtherCAT bus controller can be
connected to multiple EIO expansion modules for expansion, you can view the
maximum number of IO expansion points and the maximum number of expansion
axes of the controller, and in this way, it supports IO remote expansion.
4.1.1.
EtherCAT Bus Expansion Wiring
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. The configuration of the axis address uses the AXIS_ADDRESS
command to map axis number, and when the binding is completed, specify the axis
number through the BASE or AXIS command.
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):
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