sieg SX3 mainboard have 3 edtion,every time not infrom us and present it.
our CNC parts mainly it is pc interface board,funny it is some time we change another SX3,the cnc speed up faster.some of your will have long time problem.
we try to change pc interface board,but not every time ok.also we hardly back the SX3 elecontrics to sieg during it is ok for use on manual option.
that is why we give up and stop continue SX3 cnc.and have been solve this on X4 series CNC machine..
please email to me your edtion of SIEG board,i try to find a old pc interface board to suit your SX3.email to
support@syil.com.cn
thank you for your consider,ok?