Description
PLC就从输入映像寄存器中“读入”对应输入端子状态，从输出映像寄存器“读入”对应元件（“软继电器”）的当前状态。然后进行相应的运算，运算结果再存入输出映像寄存器中。对输出映像寄存器来说，每一个元件（“软继电器”）的状态会随着程序执行过程而变化。
Control Board 74009719 Maytag, JennAir JJW9530DDP NEW
Banner Q45UR Series Remote Ultrasonic Sensor Kit New
KitchenAid Downdraft Transformer W10235650 New
KIRD801VSS,
PSG Digital Fan Coil Thermostat 120-230V, PFC-MLV-RS
