User manual for the JTPLC CMDF2-4ADK module, detailing wiring, configuration, Modbus RTU settings and specifications.
The CMDF2-4ADK is a temperature acquisition module designed for PLC, DCS and PC control systems. It supports four K‑type thermocouple inputs with 12‑bit resolution and provides digital and temperature data outputs via Modbus RTU over RS‑485.
The manual covers hardware connections, power requirements, register mapping, CRC checking, and configuration parameters using the JTconfig utility. It also includes wiring diagrams, communication settings and troubleshooting tips for reliable operation in industrial automation environments. This manual is written in Chinese.
| Power supply voltage | 9 V DC to 30 V DC |
|---|---|
| Communication protocol | Modbus RTU over RS‑485 |
| Baud rate | 115200 bps |
The device operates from a DC supply of 9 V to 30 V.
It uses Modbus RTU over an RS‑485 interface.