Delta AS Series PLC Standard Modbus HMI Connection Manual

This document provides connection instructions and communication settings for Delta AS series PLCs using Standard Modbus protocol with HMI series (DOP-B, DOP-W, DOP-H, HMC, DOP-100). It details factory HMI settings (baud rate 9600, 7 data bits, even parity, 1 stop bit), RS-232 and RS-485 wiring pinouts, and defines PLC read/write addresses for registers (X, Y, S, M, SM, D, SR, E, T, C, HC) and contacts (coils) with their respective data types and ranges.