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Hi there, just wondering if anyone has come accross a vision system that could fill the following specifications: 1. Sensing lighted tube at ceiling (good contrast) 2. target distance 2-6 meters 3. Accuracy 5cm. 4. Communications any of: MB, MB+, Enet, RS232 5. Sensing Dark to light, Light to Dark transitions 6. Data could be in an addressable memory map, or sensing points can be changed on-line. 7. Small, self contained system. (no room for a PC) 8. Fast response time, 30ms region. I have been using Itran Accuity, but I can't change the program on-line, and would like to be able to changes parameters with the PLC. Thanks, Pierre