Managing Network Devices with Cognex Connect Eric Hershberger
Managing Network Devices with Cognex Connect Eric Hershberger Senior Applications Engineer
2 | Confidential © 2012 Cognex Corporation
Vision Area Networks § All Cognex products are designed to take advantage of full Ethernet technology § Share images, results, and data in real-time § Used with PLCs, robots, PCs, and an HMI or SCADA system 3 | Confidential © 2012 Cognex Corporation
Communicating with a PLC § TCP/IP, FTP, Telnet (Standard) § Ether. Net/IP, PROFINET (Industrial) § Modbus/TCP, Device. Net, Profibus (Fieldbus) 4 | Confidential © 2012 Cognex Corporation
Robot Communications § Communication is usually done via serial or Ethernet communication § Robot drivers and sample code - facilitate integration § World-class vision tools - for part identification, inspection and measurement applications 5 | Confidential © 2012 Cognex Corporation
Rockwell – Allen Bradley PLC Eric Hershberger Senior Applications Engineer
Communications Options Ethernet/IP (EIP) § Based on Ethernet TCP/IP § Uses the TCP/IP address of camera § Requires EIP Communications Card or Processor Device. Net § Legacy Communications but still in use § Additional Hardware needed § Additional Custom Programming 7 | Confidential © 2012 Cognex Corporation
Rockwell PLC Terminology Electronic Data Sheets (EDS) § Defines network modules for RSLinx Add-On Profiles (AOP) § RSLogix 5000 only § Defines communications and tag settings for implicit messaging to network modules 8 | Confidential © 2012 Cognex Corporation
Explicit & Implicit Messaging Explicit § Unscheduled § Uses a request/response communications procedure § EX: Job change, Native Mode Commands for In-Sight Implicit § Scheduled, time critical § Uses a requested packet interval (RPI) to specify when data update § EX: Control, Status, Data Transmission Note: Not all models support Explicit and Implicit messaging. Check with Allen Bradley to verify 9 | Confidential © 2012 Cognex Corporation
Software Versions - Rockwell Allen Bradley RSLogix 5000 § Used with Compact. Logix and Control. Logix § Version 15 and higher § AOP included with version 20+ In-Sight Explorer § Version 3. 4 and higher 10 | Confidential © 2012 Cognex Corporation
Module Definition Without AOP 11 | Confidential © 2012 Cognex Corporation
Data Layout With AOP 12 | Confidential © 2012 Cognex Corporation
Samples and Examples C: UsersPublicDocumentsCognexIn-Sight Sample Projects Included with In-Sight Explorer installation § Integer Data example with job files/images § Float data example with job files/images § 2 D matrix code example with job files/images 13 | Confidential © 2012 Cognex Corporation
Where to go for help! 14 | Confidential © 2012 Cognex Corporation
AOP Integration Demonstration 15 | Confidential © 2012 Cognex Corporation
Questions? 16 | Confidential © 2012 Cognex Corporation
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