IC697BEM731
IC697BEM731
IC697BEM731
输入接口用于接收和采集两种类型的输入信号,一类是由按钮、转换开关、行程开关、继电器触头等开关量输入信号;另一类是由电位器、测速发电机和各种变换器提供的连续变化的模拟量输入信号。
以图2所示的直流输入接口电路为例,R1是限流与分压电阻,R2与C构成滤波电路,滤波后的输入信号经光耦合器T与内部电路耦合。当输入端的按钮SB接通时,光耦合器T导通,直流输入信号被转换成PLC能处理的5V标准信号电平(简称TTL),同时LED输入指示灯亮,表示信号接通。微电脑输入接口电路一般由寄存器、选通电路和中断请求逻辑电路组成,这些电路集成在一个芯片上。交流输入与交直流输入接口电路与直流输入接口电路类似。
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ALLEN BRADLEY 3 AXIS 10KW SYSTEM MODULE 8520-3S10A-BAT-EX4-T1-Y-4-5-7
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ALLEN BRADLEY 9/440 3-AXIS 10KW SYSTEM MODULE 8520-3S10A-BAT-EX4-Y-2-3-5-7
REXROTH 3-PHASE PERMANENT MAGNET SERVO MOTOR MKE098B-047-KP1-BUNN
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ATLANTA 58-84-007 SERVO-DRIVE SYSTEM, I 6.75, P 4.25 KW, M 12.8 KG, NIB
CONTROL TECHNIQUES 5.02HP AC SERVO MOTOR MHM-63000-CONS-0000 WITH GEAR REDUCER
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REXROTH 3-PHASE PERMANENT MAGNET SERVO MOTOR MAC071C-0-GS-4-C/095-B-0/WI520LV