通常一个指令接收到反向电流指令时,本指令不执行,并且将反向电流传向回路中的下一个指令。然而,定时器或计数器等指令受到反向电流时也会执行,并且向后传播反向电流。一旦一个回路执行完以后,不管输出正向还是反向电流
PFANNENBERG 13310911200 NSFP 13310911200
TOTAL CONTROL PRODUCTS QPICTDE0000-A USPP QPICTDE0000A
FANUC A20B-0005-0610 USPP A20B00050610
ALLEN BRADLEY 1326AB-B740C-21 USPP 1326ABB740C21
MAGNETEK DS325 USPP DS325
CONTROL TECHNIQUES 115DSA300T USPP 115DSA300T
PANASONIC YD-500AA2 USPP YD500AA2
SQUARE D MH-36300 USPP MH36300
SIEMENS 6SE3217-3DB40 NSPP 6SE32173DB40
GENERIC F65530A FNFP F65530A
ALSTOM 029.111.329 NSFP 029111329
ELECTRO CRAFT BRU-500-DM-50 USPP BRU500DM50
$2,852.00
XYCOM PM9403T USPP PM9403T
GETTYS 110-223 USPP 110223
ALLEN BRADLEY 1771-HD USPP 1771HD
YASKAWA ELECTRIC SMC-2000-8M NSFP SMC20008M
WESTINGHOUSE A210M3CAC USPP A210M3CAC