how good you are with electronics?
indexer can be indeed pc running mach3 software, but you need a way to convert ttl signal into diffrential ones
there is a chip from texas instruments sn75176, it can transmit and recive so you would need 5 (one per line) to get it working
why bother with diffrential inputs?
well.. cabling may be extremally long and cheap - you need cat5 computer cable (as for network adapter) or any other twisted pair cable
and whats the most important - it exceptionally well protected against EMI radiation and noise pickup - no false steps, no need for optoisolation |