PCU20里没有标准循环文件，现电脑里有个6FC5250 - 6AX00 - 2AB0循环文件夹，里面有DISK1 DISK2 DISK3 三个文件夹，目录是

Disk1:
\CYCLES
\DEFINE
\DEFINE\GUD7.DEF
...\SMAC.DEF
\DEMO
\HELP_SW4

\HELP_SW4\COV.COM Files for cycles support
...\SC.COM language-undependent
...\CYC_FILE.COM
...\CYC_FILE.AWB
...\CYC_FILE.LST
\ISODIAL
SIEMENSD.TXT
SIEMENSE.TXT
Disk2:
\HMI_ADV
Disk3:
\HMI_EMB
\HMI_EMB\COMMON.COM
...\AEDITOR.COM
...\BOHREN.COM
...\BOHREN1.COM
...\DREHEN.COM
...\DREHEN2.COM
...\FRAESEN.COM
...\GEWINDE.COM
...\KONTUR.COM
...\MA_JOG.COM
...\SCHWENK1.COM
...\SCHWENK2.COM
...\STARTUP.COM


\HMI_EMB\TOOLS\BMP_1024.EXE ...\BMP_800.EXE ...\BMP_640.EXE ...\MCST1024.BAT
...\MCST_800.BAT
...\MCST_640.BAT
...\BMP2BIN.EXE
...\SYS_CONV.COL
...\ARJ.EXE
请问除了CYCLE文件夹里的*.spf文件，还有哪些文件需要通过串口传入PCU20？
PCU20里是否还需要做设置？