DDMF1-16DI is a switch input expansion module produced by Jietong Technology Co., Ltd. The main feature is the Mitsubishi LINK RS-485 communication mode, which supports a variety of configuration software, 16-point switch input leakage or source input can be selected, with 16 input status LED indicators, 300-115.2Kbps can be selected, receive and send status indicators, switch input circuit and communication circuit electrical isolation, power polarity protection.
The DDMF1-16DI is a 16‑channel digital (or source) input module for PLC, DCS, PCS and computer‑based control systems. It supports RS‑485 communication, offers LED status indicators for each input, and operates with a DC24 V supply.
The manual describes wiring connections, RS‑485 parameters, installation methods, parameter setting via JTDDMX software, and safety precautions. It also includes tables of electrical characteristics, communication settings, and example configurations for various PLC brands. This manual is written in Chinese.
| Number of input channels | 16 |
|---|---|
| Supply voltage | DC24 V |
| Maximum power consumption | 3600 mW |
| Operating temperature | -10 °C to +55 °C |
| Operating humidity | 35 % to 85 % |
| Communication baud rate | 300 bps to 115200 bps |
| Maximum transmission distance | <1200 m (at 19200 bps) |
| Input voltage rating | 2300 V |
It uses an RS‑485 interface with selectable baud rates from 300 bps up to 115200 bps.
The module provides 16 digital input channels.
The module is powered by a DC24 V supply (24 V ± 5 %).
The maximum power consumption is 3600 mW (excluding channel consumption).