JACP-317802 Yaskawa

PCD2.M170
3HAB8101-16/09W
3BHE021889R0101
8312
NDPA-02
LX-4032T-001AC
2094-BC02-M02-SC
E8491B
E1412A
分类: 标签:

描述

输入的灵敏度各厂家对PLC的输人端电压和电流都有规定,如日本三菱公司F7n系列PLC的输入值为:DC24V、7mA,启动电流为4.5mA,关断电流小于1.5mA,因此,当输入回路串有二极管或电阻(不能完全启动),或者有并联电阻或有漏电流时(不能完全切断),就会有误动作,灵敏度下降,对此应采取措施。另一方面,当输入器件的输入电流大于PLC的最大输入电流时,也会引起误动作,应采用弱电流的输入器件,并且选用输人为共漏型输入的PLC,Bp输入元件的公共点电位相对为负,电流是流出PLC的输入端。

FINISH THOMPSON LITTLE STILL SOLVENT RECOVERY UNIT LSJR
HOLLYWOOD POP POPCORN VENDING MACHINE HF-150
GERSTEL GS1 GS 1 GAS SAMPLER
CRESTRON QM-MD7X2 VIDEO MATRIX SWITCHER AUDIO PROCESSOR
FEDERAL FORMSCAN 3000 CIRCULAR GEOMETRY GAGE
HIGHLITE 4000SX DLP PROJECTORS – wow! -b
~ LEYBOLD TURBOVAC 150 TURBO PUMP
^LOT OF SIX APPLE G4 POWERMACS- 733mhz, 533mhz, 433mhz
~ LOT OF 75+ APPLE M7803 BLACK AND WHITE KEYBOARDS-
LOWEL TOTA LIGHTING UNITS- STANDS -CASE