Proxy Siemens 6DD1681-0CK1 – SB62 8-Channel Digital Input Module
6DD1681-0CK1 belongs to Siemens SIMADYN D/TDC SB62 series, a dedicated digital input module. It is equipped with 8 galvanically isolated 24VDC input channels, fitted with LED status lights for real-time signal checking. Featuring strong anti-interference performance and compact structure, it stably collects field digital signals, widely used in power, metallurgy and process automation systems.