AutomationDirect will be closed Monday, December 24th & Tuesday, December 25th to celebrate Christmas. The same-day shipping on Friday, December 21st is our normal 6:00PM ET schedule (4:00 PM ET for freight and UPS shipments). Orders placed after the Friday cutoff times will ship on Wednesday, December 26th.
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The PLC base unit provides a means of housing and connecting the installed I/O. Modular base units have slots for interchangeable I/O connections to the backplane's data bus. DirectLOGIC 405 PLC modular bases come with 4, 6 or 8 slots and have local expansion capabilities.