IS200TREAH2AED

此外，屏蔽层、接地线和大地可能构成闭合环路，在变化磁场的作用下，屏蔽层内会出现感应电流，通过屏蔽层与芯线之间的耦合，干扰信号回路。若系统地与其它接地处理混乱，所产生的地环流就可能在地线上产生不等电位分布，影响PLC内逻辑电路和模拟电路的正常工作。PLC工作的逻辑电压干扰容限较低，逻辑地电位的分布干扰容易影响PLC的逻辑运算和数据存贮，造成数据混乱、程序跑飞或死机。模拟地电位的分布将导致测量精度下降，引起对信号测控的严重失真和误动作。

 

APS Olympus Magneto Optical Disk Drive MOS330E 3.5 inch

Tape Drive SCSI Sankyo CP-320SE 100047-021 26 tracks

Teknor T946 PICMG SBC T946/433_0_0000 900-164-00 

97549 97549T 97549TK SCSI Hard Disk Core Bauart 1GB FH

Excelan EXOS 202 VME Ethernet Network Card 9900008-05

Artisoft Peer-Hub IBM PC/XT ISA Card Ethernet Vintage

Texas Instruments Activator 2 SCSI FPGA PAL Programmer

Motherboard Pentium ZEOS 100-0056-03 010-0066-01 639267

4522104 452210495137 WD*** VCIS Siemens 186XL20 VME 

SBC Motherboard PIA-650DV Pentium ***all Tiny Flat Panel

Arnet DigiBoard PortsPlus Dual Port Serial ISA Card 

IOtech DaqBoard 200 RevB 2954000 16-bit ISA Card AD676

CompuAdd HC ESDI ISA Hard Disk Drive Controller Card

Motorola MCF5307 5307 Test Bench Development Platform

Motherboard Pentium Dual 370 Tyan S2505D AGPX4-PCI RevB

Motherboard System Board Planar IBM 75H9133 PORKY V5.1

Motorola CPN5360 CPCI CompactPCI SBC 01-W3541F-10B 333M

ISA Video Card BW-VGA-90 ISA-65545 Casio Sharp LCD

ISA Video Card BW-VGA-90 ISA-65530 Pri*** Sharp Mono LCD

ISA Video Card BW-VGA-90 T2-ISA-65545 Pri*** Mono LCD

ISA Video Card BW-VGA-90 ISA-65545 Casio MD805TT00 LCD

Motherboard Pentium Dual Socket7 ASUS PCI/I-P54NP4D 1.5