Products

KJ370-F(B)

Intrinsically Safe Sub-station for Coal Mines

Product description

Intrinsically Safe Sub-station for Coal Mines (referred to as sub-station) is the key component of coal mine safety production monitoring system. It supports analog data sampling,digital data sampling, switching value sampling, transmission, storage control etc. The sub-station can interrupt the power and sound the alarm (sensor end) when the methane concentration is excessive.

Product description

KJ370-F (B) Intrinsically Safe Sub-station for Coal Mines (referred to as sub-station) is the key component of coal mine safety production monitoring system. It supports analog data sampling,digital data sampling, switching value sampling, transmission, storage control etc. The sub-station can interrupt the power and sound the alarm (sensor end) when the methane concentration is excessive.

Feature

  • A 4.3″ true color TFT LCD screen is used to display all monitoring channel information at the same time.
  • The built-in intelligent sensor analysis function supports automatic diagnosis, automatic calibration and intelligent analysis of intelligent sensors.
  • Integrated network switch supports network cascading, automatic topology, automatic discovery and direct communication between sub-stations.
  • Supports remote power interrupt.
  • The sub-station can transmit the measured parameters and working status of each sensor to the ground central station in real time.
  • The sub-station can accurately execute various control commands sent by the ground central station.
  • The sub-station has the function of initialization parameter setting and power failure protection.

Technical parameter

  • Power supply: rated operational voltage 12 V DC, fluctuation allowance (9~24) V DC
  • Input signal type:
  1. Analog:(200~1000)Hz
  2. Digital:RS485 main line
  3. Switching:1mA/5mA of switch signal
  • Control output:
  1. Signal level: ≥9V at high. ≤0.5V at low
  2. RS485, baud rate: 2400bps (1200 bps, 2400 bps, 4800 bps, 9600 bps)
  •  Working voltage signal peak: ≤5V

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