* LCD Backlight Energy-saving Protection Function
* Two-wire Circuits for supper long transmission distance (up to 2km between the control panel and modules)
* The data memory device can store 2048 historical data records permanently (the device in graphic systems can be expandable up to 20 million records)
* Composed sound alarm function (broadcast in human voice to annunciate operators)
* SLCs, IDCs are equipped with insulation false inspection function
* A table to review all I/O modules' statuses is available for easier operation.
* Addresses and interlock can be checked in a table in the LCD screen
* Two stage fire alarm delay function
* Up to 16 addressable annunciators can be connected.
* Equipped with one set of RS-232 and 3 sets of RS-485 communication ports to connect with a central PC's monitoring and control system