描述
A,B为输入逻辑变量,M为输出逻辑变量,它们之间的“与”、“或”、“非”逻辑运算关系如表1.1所示。用继电器电路或梯形图可以实现基本逻辑运算,触点的串联可实现“与”运算,触点的并联可实现“或”运算,用常闭触点控制线圈可实现“非”运算(见图1-4)。多个触点的串、并联电路可以实现复杂的逻辑运算,例如图l-3中的继电器电路实现的逻辑运算可用逻辑代数表达式表示为KM=(SBI+KM)·SB2·FR
DVT COGNEX DVT-SL
CKR-200-IOBOX Cognex Checker 200 IO Box
COGNEX In sight 2000 Machine Vision Camera Control Box
COGNEX VM16A-203-0075-RB USPP VM16A2030075RB
COGNEX DVT Light Kit 500R-LGTKIT
CKR-201-002 Cognex Checker 201 with IO Box cable
Cognex Cable 300-0367 CDC50/100/200 cams to 8100D – 30′
1 NEW COGNEX 800-5758-1 80057581 I/O EXPANSION MODULE
Cognex VM18B PC Board
Cognex Dataman 7550 USB Cordless Handheld DPM ID Reader
COGNEX VPM-8110Q-5011-P NSPP VPM8110Q5011P
COGNEX LFC-35F1 NSFP LFC35F1
DVT COGNEX CON-EBC ETHERNET I/O BUS COUPLER
Cognex In-Sight 3000 Camera Controller, 800-5745-1