The JH-ZK combustible gas alarm controller is suitable for environments involving the production, transportation, storage, and filling of flammable gases. It collects the concentration of combustible gases in the air detected by point-type combustible gas detectors (RS485 signal).
When the set alarm threshold is reached, the corresponding alarm and control signals are output to alert on-site personnel to take timely safety measures. It can connect to systems such as DCS and fire graphics, and also activate external devices like exhaust fans and solenoid valves to ensure personnel and equipment safety, preventing accidents caused by flammable gas leaks.
The controller is suitable for non-explosion-proof areas such as fire control rooms and control centers.
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Technical Parameter
Specification | Parameter |
Working Voltage | 220V AC±15% |
Backup Power Supply | 12V DC / 7.2Ah × 2 |
Display Mode | LCD Display |
Compatible Detector Capacity | 1~32 Channels |
Communication Interface | RS485 |
Power Consumption | ≤60W |
Concentration Units | %LEL, ppm, %VOL, mg/m³ |
Alarm Types | High/Low Limit Alarm, Fault Alarm |
Relay Output | 2 groups (interlockable), Output Rating: 1A 220VAC |
Operating Temperature | -10℃ ~ 55℃ |
Operating Humidity | ≤95%RH (Non-condensing) |
Installation Type | Wall-mounted |
Overall Dimensions (mm) | 390 × 122 × 480 |
Features
Equipped with a high-speed core processor for efficient and stable operation.
Compatible with the company's detectors with RS485 signal output.
Built-in 2 sets of relay outputs.
Supports RS485/Modbus RTU signal output for connection to host systems such as computers.
Features alarm status hold function.
Supports alarm record storage and query with a capacity of 1000 records.
Modular design ensures stable and reliable performance.
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