[. . . ] PM-11 Phytomonitor · Quick Reference Guide PM-11 Phytomonitor Automatic Data logging system with the wide range of optional sensors for plant research and crop growing Hardware Quick Reference Guide 2007 ©Daletown Company Ltd. [. . . ] ­ info@daletown-phyto. com PM-11 Phytomonitor · Quick Reference Guide Mounting on a pole by using cable ties ©Daletown Company Ltd. ­ info@daletown-phyto. com PM-11 Phytomonitor · Quick Reference Guide Open-field installation ©Daletown Company Ltd. ­ info@daletown-phyto. com PM-11 Phytomonitor · Quick Reference Guide Modem connections ©Daletown Company Ltd. ­ info@daletown-phyto. com PM-11 Phytomonitor · Quick Reference Guide Wiring of RS485 connection This is only basic guideline for wiring an RS485 network with several PM-11 Phytomonitors. More detailed information may be found in the appropriate Application note at http://www. maxim-ic. com/appnotes. cfm?appnote_number=763&CMP=WP-1 . A model network with three PM-11 units is shown in the picture above. The end of the main RS485 cable shall be terminated at one of the PM-11 units. [. . . ] Use one pair for connecting `GND'. ©Daletown Company Ltd. [. . . ]