22B-E1P7N104
22B-E1P7N104
电气柜内线路走线布置
① 只有有屏蔽的模拟量输入信号线才能与数字量信号线装在同一线槽内,直流电压数字量信号线和模拟量信号线不能与交流电压线同在一线槽内。
② 只有有屏蔽的220V电源线才能与信号线装在同一线槽内。
③ 电气柜电缆插头的屏蔽要可靠接地。
电气柜外部走线安排
① 直流和交流电压的数字量信号线和模拟量信号线要各自用独立的电缆,且要用屏蔽电缆。
② 信号线电缆可与电源电缆共同装在一线槽内,为改进抗噪性建议保证间隔10cm以上。
屏蔽处理
PLC外壳的屏蔽,一般应保证与电气柜浮空。在PLC外壳底板上加装一块等位屏蔽板(一般使用镀锌板).保护地使用铜导线与底板保持一点连接其截面积应不少于1 0mm ,以构成等位屏蔽体,有效地外部电磁场的干扰。
Lot 500 Tantalum Capacitor T496C106M016AS 10UF 16V 20%
Honeywell ABHP Pressure Transducer 9220106 0-6PSIG USED
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Lot 1000 Conquer Micro Fuses 60mA 250V $0.15/p SAT
SAM ELECTRONICS BLOCK Transformer B 9908133 128VA
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Honeywell LSQA6B134 Heavy Duty Micro Limit Switch
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