NX-I/O: Selection Guide System Unit Click on the model name to learn more System Unit NX-PD1000 NX-PC0020 NX-PC0010 NX-PF0630 NX-PC0030 NX-TBX01 NX-PF0730 22 22 Power Feed Conne ction NX Bus Fee Power d I/O D Powe evice r Feed 4 A 10 A IO Gr ound IO Vo ltage 0.0 Resol 1°C ution 0.0 Reso 01°C lution