Originally Posted by
he1957
Have not tried this and the manual does not specifically state but the following M codes with Output Y8 _might_ work:
M350 Output Logic Zero
M351 Output Logic One
These are claimed to be the "extension output" but they do not state it is Y8 however, this is the only output not flagged for use by anything else in their manual.
Under the cover there are some LED's to indicate the state of the outputs so it should be easy to check.
The A11 and its motion card are minimal and do not have a lot of flexibility/expandability.
Let us know if this works or not. If it works, this output could be connected to a SSR to control some external device.