Key Features Two-wire and four-wire modes can be programmed through hand held programmer. Electronic address can be modified in field. Built-in MCU processes messages intelligently. Monitoring power supply. Fault and action indicators available. Four wire output cable checking. Plug-in structure. Standard: EN 54-18:2005 Manual https://gst.com.cn/en/data/products/Manuals/LC200 Loop Board Issue1.01.pdf
