DDMF2-16DI is a switch input expansion module launched by Jietong Technology Co., Ltd. for programmable controllers, DCS, PCS, computers and other control, data acquisition, and alarm systems. The module supports MODBUS RTU RS 485 communication and has 16 input status LED indicators. It also supports 300 bps and 115.2Kbps communication speeds.
The DDMF2-16DI is a 16‑channel digital input module designed for PLC, DCS, PCS and other control systems. It operates on a DC24V supply, offers LED status indicators, and communicates via MODBUS RTU over an RS‑485 interface.
The manual describes how to install the module, connect power and RS‑485 wiring, set communication parameters (baud rate, parity, stop bits), and use the JTDDMX configuration software for parameter setup. It also explains the CRC check method, wiring diagrams, and troubleshooting steps. This manual is written in Chinese.
| Power consumption | 3.6 W |
|---|---|
| Supported baud rate | 300 – 115200 bps |
The supported baud rate range is 300 to 115200 bps.