Product Description：

SSK-ZL-F512-E Gas Alarm Controller is practical in function and easy to operate. It can form a gas alarm system with our company's 4-20mA gas detectors. 

The SSK-ZL-F512-E controller is a non-explosion-proof product and shall be installed in non-explosion-proof areas by wall mounting.

Product Features：

※ Color LCD display with full Chinese menu operation. 

※ 5-loop communication: loops 1–4 support 4–20 mA communication, loop 5 supports two-wire bus communication.

※ The 4–20 mA signal system features strong anti-interference capability; the two-wire bus adopts non-polarity design with automatic protection, enabling economical wiring and convenient installation. 

※ Automatic fault detection, which can accurately indicate the fault location and type. 

※ Automatically identifies detector types and alarm points, allowing monitoring of multiple detector types (%LEL/PPM/%VOL) on the same system without manual configuration. 

※ Built-in large-capacity data storage, capable of recording 10,000 alarm records, 10,000 fault records and 1,000 operation records; data will not be lost after power failure. 

※ RS485 bus communication interface (default Modbus RTU protocol), supporting networking with host computer control systems to realize remote monitoring, greatly improving the timeliness and accuracy of monitoring. 

※ Built-in 3 groups of relay contact signal outputs.