XPLC3264E Controller Manual
21
The expansion module cannot
be connected, the expansion
module
The warning light is on.
Check whether the 120 ohm resistor is installed at
both ends;
Check if there are multiple expansion modules with
the same ID.
No signal detected at input Check whether the IO power supply is available;
Check whether the signal level matches the input
port.
Check if the input port number matches the ID of
the IO board.
No response during output
operation
Check whether the IO power is supplied; the IO
board should also be powered.
Check whether the output port number matches the ID
of the IO board.
The motor will suddenly
chaos after a period of
operation
move.
Check if the driver manual requires GND connection.
