2003 DI439 Digital Input Module Technical Specifications

This document provides technical specifications and operating characteristics for the B&R 2003 DI439 digital input module, a 16-channel 24 VDC input module with two electrically isolated input groups of 8 channels each. It details module addressing, wiring configurations, status LEDs, input circuit diagrams, and electrical isolation requirements for the DI439 and related DI435/DI439 series modules.