HPR400XD Auto Gas – 806160 b-1
Appendix B
CNC INTERFACE PROTOCOL
In this section
Interface hardware .....................................................................................................................................................................................b-2
Signal list......................................................................................................................................................................................................b-2
Signals ...............................................................................................................................................................................................b-2
Hardware ...........................................................................................................................................................................................b-3
Multi-drop wiring ..............................................................................................................................................................................b-4
Multi-drop addressing ....................................................................................................................................................................b-5
Serial commands .......................................................................................................................................................................................b-5
Format ................................................................................................................................................................................................b-5
Framing ..............................................................................................................................................................................................b-5
Commands ........................................................................................................................................................................................b-5
Command table (1 of 14) ........................................................................................................................................................................b-6
Error responses ............................................................................................................................................................................b-20
Calculating checksums ...............................................................................................................................................................b-20
Error codes ...............................................................................................................................................................................................b-21
Status codes ............................................................................................................................................................................................b-25
Gas type codes .......................................................................................................................................................................................b-25
CNC requirements .................................................................................................................................................................................b-26
Auto gas console ..........................................................................................................................................................................b-26
Serial interface guidelines .....................................................................................................................................................................b-27
Checksum ...................................................................................................................................................................................... b-27
Message retries ............................................................................................................................................................................b-27
Cable shielding ............................................................................................................................................................................. b-27