1756-IC16/ABPLC智能制造

，屏蔽层、接地线和大地有可能构成闭合环路，在变化磁场的作用下，屏蔽层内又会出现感应电流，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轻易影响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丈量精度下降，引起对信号测控的严重失真和误动作。MFR. PART NUMBER DESCRIPTION
 1756-A10 10 SLOT CONTROLLOGIX CHASSIS
 1756-A13 13 SLOT CONTROLLOGIC CHASSIS
 1756-A17 CHASSIS 17 SLOT CONTROLLOGIX
 1756-A4 4 SLOT CONTROLLOGIX CHASIS
 1756-A7 7 SLOT CONTROLLOGIX CHASSIS
 1756-BA1 LOGIX5000 BATTERY ASSEMBLY
 1756-CFM 2 CHANNEL /2 OUT CONFIGURABLE FLOWMETER
 1756-CNB CONTROLNET BRIDGE MODULE
 1756-CNBR CONTROLNET REDUNDANT BRIDGE MODULE
 1756-CP3 LOGIX5000 RS232 PROGRAMMER CABLE
 1756-DHRIO 2 CHANNEL DH+ AND/OR RIO SCANNER
 1756-DNB DEVICE NET BRIDGE/SCANNER MODULE
 1756-DPALEN CONTROLLOGIC SYSTEM DOCUMENTATION SET PRINTED
 1756-ENET ETHERNET/IP BRIDGE MODULE
 1756-GTWY CONTROLLOGIC GATEWAY CONFIGURATION SOFTWARE
 1756-GTWYR SUPT REINSTATEMENT CONTRACT FOR 1756GTWY
 1756-GTWYS SUPT RENEWAL CONTRACT FOR 1756GTWY
 1756-HSC 2 CHANNEL /4 OUTPUT HIGH SPEED COUNTER
 1756-IA16 79-132 VAC INPUT 16PTS
 1756-IA16I 79-132 VAC ISOLATED INPUT 16PTS

 1756-IA8D VAC DIAGNOSTIC INPUT 8PTS
 1756-IB16 VDC INPUT 16PTS
 1756-IB16D VDC DIAGNOSTIC INPUT
 1756-IB16I VDC ISLOTED INPUT 16PTS
 1756-IB32 VDC INPUT 32PTS
 1756-IC16 VDC INPUT 16PTS
 1756-IF16 ANALOG INPUT-CURRENT/VOLTAGE 16PTS
 1756-IF6I ISOLATED ANALOG INPUT-CURRENT/VOLTAGE 6PTS
 1756-IF8 ANALOG INPUT-CURRENT/VOLTAGE 8PTS
 1756-IH16I VDC ISOLOTED INPUT 16PTS