JMDM-PLC20DIO/JMDM-PLC20DIOMR Manual is a small high-performance programmable logic controller independently developed by Jingmindm Digital Machine Co., Ltd. It is suitable for small PLC needs in industrial occasions with less than 20 digital quantity control, directly programmed by Mitsubishi ladder diagram software, with power-off retention and online monitoring functions, with lightning protection, anti-strong electromagnetic interference, stable and reliable, cost-effective, easy to use, can replace foreign brands PLC for various control occasions within 20 points, and is equivalent to Mitsubishi FX1N in application; it can be flexibly applied to various industrial automatic control occasions, such as metallurgy, chemical, plastic, printing, light textile, food, packaging and other industries in production machinery, industrial assembly line, industrial control equipment of various machine tools.
The JMDM‑PLC20DIO and JMDM‑PLC20DIOMR are compact, high‑performance programmable logic controllers developed by Jingmin for industrial digital control of up to 20 points. They support Mitsubishi FXGP_WIN‑C ladder‑logic programming, feature power‑loss retention, online monitoring, lightning protection and strong electromagnetic interference resistance, and can be used in a wide range of automation applications such as metallurgy, chemical, plastics, printing, textiles, food and packaging.
This manual describes the hardware resources, I/O configuration, basic and application instruction sets, power‑supply options, dimensions, ordering details and contact information. It also includes programming guidelines, wiring diagrams and specifications needed for installation and maintenance. This manual is written in Chinese.
| Power Supply (PLC20DIO) | AC18V or DC24V |
|---|---|
| Power Supply (PLC20DIOMR) | Default 24V, optional 12V |
| Digital I/O Count | 20 points total (12 inputs, 8 outputs) |
| Communication Interface | RS232 (15 kV electrostatic protection) |
| Maximum Program Steps | 6000 steps |
| Enclosure Dimensions | 145 mm × 90 mm × 40 mm |
| Relay Output Rating | 5 A, 220 V |
The controller uses the Mitsubishi FXGP_WIN‑C ladder‑logic software and is compatible with the FX1N PLC model.
It supports up to 20 isolated digital I/O points, with 12 inputs and 8 outputs.
The PLC20DIOMR defaults to 24 V but can be customized to operate at 12 V.
Yes, it provides online monitoring for easy program debugging and fault diagnosis.