ABB DSMB-02C is a core serial communication control module adapted to ACS800 series industrial frequency converters under ABB, and is a classic industrial control accessory in the field of industrial automation.

1、 Core parameters
The net weight of the product is about 0.3kg, the working voltage is 12V DC, the working current is 200mA, the memory capacity is 512KB, and the processing speed is 20MIPS.
The communication interface supports RS-232, RS-485, Modbus RTU, and Ethernet, and some versions can be optionally equipped with fiber optic interfaces.
The working temperature range covers -20 ℃~+60 ℃, with 2500V AC isolation protection and strong electromagnetic interference resistance.
2、 Key characteristics
Adopting a plug-in and non complex wiring design, it can be seamlessly integrated with the ACS800 frequency converter control panel, greatly reducing the installation and debugging cycle.
Support parameter configuration through ABB DriveWindow software, easy to operate, suitable for various new deployments and old equipment renovation projects.
Compatible with the entire range of ABB PLC systems, it can work in conjunction with other ABB industrial control components to build stable automation control solutions.
3、 Typical application scenarios
Widely used in industries such as CNC machinery, metallurgy, petroleum and natural gas, chemical industry, paper printing, automobile manufacturing, etc., it is suitable for various industrial scenarios such as CNC machining equipment, chemical production equipment, textile processing equipment, etc., realizing efficient data interaction between frequency converters, PLCs, and human-machine interfaces.

At present, the overseas reference price for the brand new authentic module is about $190.99, while domestic industrial control suppliers’ spot prices are mostly in the thousands of yuan range, with slight fluctuations in prices across different channels.