在这个例子里,一个SUS_ l0功能块和–个DO_ l0功能块先使程序停止VO扫描,之后从程序中再进行某些VO扫描。输入%100010、%100011和来自%M00001的触点组成-一个门闩电路。这样,每次扫描时SUS_ I0都激活,当%100011为ON时,SUS_ l0功能不激活。如果输入点在SUS_ I0激活后不被DO_I0扫描到,只有通过断PLC电才能使SUS_0功能不激活。SUS_ IOSUS_ IOSUS_ 10
ALLEN BRADLEY 8000-AF NSPP 8000AF
LAMBDA LT-862-GPIB USPP LT862GPIB
XYCOM GLC150-SC41-XY3?2KF-24V USPP GLC150SC41XY32K?1
RELIANCE ELECTRIC 86467-1R USPP 864671R
GE AIRCRAFT ENG 1303M20P01 NSFP 1303M20P01
MODCOMP 516-100539-001 USPP 516100539001
FEC SAN-40II NSFP SAN40II
MOTOMAN ROBOTICS SGDR-SDB350A01B NSFP SGDRSDB350A01B
ESCORT MEMORY SYSTEMS CM1000 USPP CM1000
FISHER ROSEMOUNT 9150041-722 USPP 9150041722
XYCOM 97011 USPP 97011
CINCINNATI ELECTROSYSTEMS 3045 NSFP 3045
INDRAMAT TVM1.2-050-220/?300-W0/115/220V USPP TVM1205022
INDRAMAT TVM1.2-50-220/3?00-W0-220/380 USPP TVM125022030
INDRAMAT TVM2.1-050-220/?300-W1 USPP TVM21050220300W?1
INDRAMAT TVM2.1-50-W1-22?0V USPP TVM2150W1220V
INDRAMAT TVM2-2-050-W1-1?15 USPP TVM22050W1115