PLC HMI For Use On PanelView Plus 700 1000 1250 1500. Surplus Unit Working Used 2711P-RN15S Ser B 2711P-RN15S/B. Allen Bradley 2711P-RN155 2711P-RNISS Date Varies. No Display Module Included. While many Allen Bradley / Rockwell Automation products will have firmware already installed, we makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application or not.