This page shows how to wire up a Hexin HXSP-2108G available on ebay.
You must lift the cover of your anafaze temperature controller and verify that the jumpers are set for rs-422 operation. The diagram below details the positions for the various serial communications signal formats:
Use the middle figure settings unless you have very long lines.
The big picture view of what you are doing is shown in the diagram below:
Wiring Call Out
- Anafaze Pin#23 to USB to 422 T+ /B
- Anafaze Pin#25 to USB to 422 T- /A
- Anafaze Pin#24 to USB to 422 R+
- Anafaze Pin#26 to USB to 422 R-