1756-DNB AB

6AV6644-0AA01-2AX0
3HAC029032-004
6AV2124-0GC01-0AX0
SR469-P1-HI-A20-T-H
SR745-W2-P5-G5-HI-A
1769-L32E
IC755CSS12CDB
2711P-T10C4A8
1746SC-NI8U
3HAB8101-4/05A-DSQC345D
MVI56-GEC
A06B-6200-H037
MDG-M2S100N 20W 100V POLES:2 50HZ/60HZ
XO16N1-C3.0
22D-D012N104

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描述

输入输出模块的选择应考虑与应用要求的统一。例如对输入模块,应考虑信号电平、信号传输距离、信号隔离、信号供电方式等应用要求。对输出模块,应考虑选用的输出模块类型,通常继电器输出模块具有价格低、使用电压范围广、寿命短、响应时间较长等特点;可控硅输出模块适用于开关频繁,电感性低功率因数负荷场合,但价格较贵,过载能力较差。输出模块还有直流输出、交流输出和模拟量输出等,与应用要求应一致。

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