SIO4022 | SYLK IO MODULE 4 UI/ 0 DI/2 AO/ 2 DO SKU: SIO4022 Parent Item Parent Item - Additional Cost Has Item Option Details SIO4022 | SYLK IO MODULE 4 UI/ 0 DI/2 AO/ 2 DO Documentation Data Sheet DetailsDocumentationBackSIO4022 | SYLK IO MODULE 4 UI/ 0 DI/2 AO/ 2 DOBack Data Sheet