The Allen-Bradley 1769-OF4VI is a 4-channel isolated analog voltage output module from the 1769 Compact I/O family. It is designed for CompactLogix and MicroLogix 1500 expansion I/O systems. Each output channel is electrically isolated, providing improved noise immunity and reliable performance in demanding industrial environments. The module supports multiple voltage output ranges for precise control of VFDs, actuators, control valves, and other analog devices