If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. Allen Bradley 1734-OB4 Digital Output Module Product Introduction The Allen-Bradley 1734-OB4 Digital Output Module is a discrete output interface designed for the POINT I/O distributed control platform. It allows programmable controllers to send digital signals to field equipment, ena *Your Name: *Your Email: *Your Name: *Vdcode: Submit