SONBEST SM1230B-8 RS485 Bus 8-Channel Voltage Acquisition Module User Manual
This user manual provides detailed technical parameters and wiring instructions for the SONBEST SM1230B-8 RS485 bus 8-channel voltage acquisition module. Users can easily monitor DC5V voltage state quantities with high reliability and stability. The document also includes communication protocol and contact information for Shanghai Sonbest Industrial Co., Ltd.