Description
按先左后右、先上后下的顺序对由触点构成的控制线路进行逻辑运算，然后根据逻辑运算的结果，刷新该逻辑线圈在系统RAM存储区中对应位的状态；或者刷新该输出线圈在I/O映象区中对应位的状态；或者确定是否要执行该梯形图所规定的特殊功能指令。
USED QSAC 31-50220N12 Servo Control Board
NEW SEALED Allen Bradley 840-A7 Automatic Float Switch
NEW Pacific Scientific 6445-001-K-N Servo Control
Allen Bradley Complete Kinetix Servo Motor System Used
2098-DSD-HV030-SE, MPL-B230P-VJ42AA, 1756-M0S3E
USED Giddings & Lewis FSM610 Brushless Servo Motor
