一、主电路概括.
主机使用3-phase(相) 230VAC,通过AC Input relay后分3路供给AC Chassis.
1.230VAC经由7FU(保險絲)到达T2 Transformer(變壓器),输出为24VAC.供给PDP,再由PDP分压成24VAC;+24VDC;+12&+15VDC供给主机中的各个switch,sensor,start button,feeder interface等.
2.230VAC经由REL1,CONT3&CONT4
a.经9FU供给Lower power chassis.在LP chassis中230VAC首先由T1 Transformer变压成40VAC供给LP power supply.再由power supply输出+15VDC&-15VDC供给除X,Y外的各轴AMP,和+56VDC供给除X,Y外的各轴马达(包括head1 Z&Q;head2 Z&Q;transfer;PWC).
b.经10FU供给High power chassis,由X,Y AMP供给X,Y马达.
3.230VAC经8FU供给T3 Transformer,输出120VAC.
a.经1FU供给front&rear feeder outlets(電源插座).
b.经2FU供给VME chassis.
C.经3FU供给24VAC Transformer(在VME下方).
d.经4FU供给Monitor(監視器).
e.经5FU供给main machine fan(風扇) and PDP power supply.
f.经6FU给HP中的X,Y AMP提供120VAC的AMP用电.