KAN120 Combustible Gas Alarm Controller with 2.4-inch LCD, Two-wire Wiring, and NB Module Connectivity
The controller is small - sized, allowing for more flexible installation. It adopts two - wire wiring, which is simple and easy to operate. It can be equipped with an NB module to connect the controller to the Internet of Things platform for cloud - based monitoring and intelligent early - warning. The interface uses a 2.4 - inch LCD with a resolution of 128×64 pixels, displaying status data in both Chinese and English in real - time. The controller can seamlessly switch between the main and backup power supplies, and has independent indicator lights for the main and backup power supplies to show the power working status. The controller power supply and the backup power supply share one switch, eliminating the need to manually start the backup power supply. (with built - in backup power supply)
| Signal Transmission | Operating Voltage | Alarm Threshold and Alarm Method | Communication Distance |
| ABUS four - wire bus, TBUS two - wire bus | AC220V ± 15%/50HZ | High - limit alarm Low - limit alarm Audible and visual alarm |
≤ 1000m (RVSP1.5mm²) |
| Detected Gases and Bus Capacity | Power Consumption | Control Output | Display Method |
| Methane, etc. ≤ 2 | ≤ 10W (excluding detector) | Two - way programmable linkage output (contact capacity 5A/DC24V or 5A/AC220V), Pulse output: 500mS break, Continuous output: Switch - quantity output | 2.4 - inch 128×64 dot - matrix LCD |
| Under - voltage Alarm Point and Indication Error | Working Environment | Detection Unit | Expansion Interface |
| 165V ± 10V, ± 5%FS | Temperature: 0°C - 40°C, Humidity: ≤ 93%RH | %LEL, PPM, %VOL mg/m³, °C, %RH |
Optional 485 module/NB module |
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