描述
在用户程序执行阶段，可编程逻辑控制器总是按由上而下的顺序依次地扫描用户程序(梯形图)。在扫描每一条梯形图时，又总是先扫描梯形图左边的由各触点构成的控制线路，并按先左后右、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。
REXROTH INDRAMAT RECO MTS-R02.2-M2-B1-S4-NN-FW
New Rexroth Hydraulic Valve 4WE6J62/EW110N9DK #28188
New Rexroth Hydraulic Valve 4WE6J62/EW110N9DK #28189
HYDRONORMA REXROTH HYDRAULIC PUMP W/ASYNCHRONOUS MOTOR
Rexroth Valve 4WEH16U60/6AG24N9TK4V #29424
Rexroth VT11013-12 Control Module VT1101312
One-day shipping available
REXROTH R-415-000-149 NSFP R415000149
REXROTH VT-3000-S34-R5 USPP VT3000S34R5
BOSCH REXROTH MOVING STRIP R402003522 ~ New
BOSCH REXROTH MOVING STRIP R402003523 ~ New
REXROTH R9004244278 DBDS20P18/315 VALVE NEW
Expedited shipping available
