CHEA6 external alarm display, powerful function, based on the MODBUS communication protocol of remote alarm terminal isolates Muihs medical harmonic purification continued further extension, the function of the power system of the installation methods of flexible, unique to the software operational Muihs each function of system equipment. Especially in strict clean place to 2 class hospital, electrical technical personnel are not allowed to enter Muihs medical harmonic purification clean areas continuously the isolation power supply system maintenance and inspection, records, etc., on CHEA6 external alarm display, integrates the function of alarm, if the insulation monitor is triggered alarm, a simultaneous CHEA6 alarm. Can hang on the same AB bus multiple CHEA6 external alarm display, so that in different operating room or nurse isolation power station on the same IT operation and real-time display. CHEA6 external alarm display, in line with the international electrotechnical society IEC60364-7-710:2002-11 and Finland SFS6000 standards.