DXM100 Modbus Holding Register Map

This document provides a comprehensive mapping of Modbus holding registers for the Banner Engineering DXM100 controller, covering local registers (Slave ID 199), gateway nodes (Slave ID 1), I/O base board registers (Slave ID 200), and virtual registers. It includes register numbering formulas, data types (32-bit unsigned, IEEE floating point, integer), and detailed descriptions for inputs, outputs, GPS data, communication statistics, and alarm counters.