1756-OB32 A-B 系统总线回流

SCHNEIDER VW3A3601
A-B 1756-OB8EI
MODICON 140CRP93100
SIEMENS 6ES7216-2AD23-0XB8
A-B 1756-IR6I
GE IC695PSD040
SCHNEIDER LC1D300M7C+LADN11C
SIEMENS 6ES7972-0AA02-0XA0
schneider 140CRP93100
Schneider 140DAO85300
GE IC694MDL754
SIEMENS 6ES7321-IBL00-0AA0
A-B 1746-P2
GE IC200ALG320
A-B 1746-P2
SCHNEIDER TWDLCAA24DRF
SCHNEIDER 140DAI75300
SIEMENS 6ES7151-1AB02-0AB0
A-B 1794-ACN15

Description

这往往被忽视;二是信号线受空间电磁辐射感应的干扰,即信号线上的外部感应干扰,这是很严重的。由信号引入干扰会引起I/O信号工作异常和测量精度大大降低,严重时将引起元器件损伤。对于隔离性能差的系统,还将导致信号间互相干扰,引起共地系统总线回流

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