mihai Posted July 2, 2011 Report Share Posted July 2, 2011 Hi! For a Vision V280 PLC, if I want to connect one expansion module, IO-DI8-TO8, do I have to use an EX-A1 module adapter? Or this is used only for 2 or more expansion modules? Thank you! Quote Link to comment Share on other sites More sharing options...
MVP 2023 Joe Tauser Posted July 3, 2011 MVP 2023 Report Share Posted July 3, 2011 The expansion adapter is required for this module, and you'll probably want to use the new isolated EX-A2X. The EX-A1 is being phased out. There are three modules that have the expansion adapter built in: EX90-DI8-RO8 EX-D16A3-RO8 EX-D16A3-TO16 Unless you've already bought the IO-DI8-TO8, you may want to look at the specs on these. Joe T. Quote Link to comment Share on other sites More sharing options...
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