SMOTEC450 – Smoke Detector

Double safety, because the device monitors itself. The automatic check cycle of the SMOTEC450 checks all important components of the system each day without the tunnel having to be closed and without incurring personnel costs.

Overview

Technical Specifications

• SMOTEC450 system

  Measured values	Visibility (K-value)
  Measurement principles	Scattered light forward
  Spectral range 640 mm … 660 mm Laser, protection class 2, power < 1 mW
  Gas flow rate 30 l/min … 35 l/min
  Measuring ranges K-value 0 … 150 km⁻¹ / 0 … 2,000 km⁻¹ Temperature –50 … +250 °C Limit value for smoke detection: 15/km
  Response time (t90) 0 s … 600 s Freely adjustable, without measuring delay due to suction line
  Resolution 2 km⁻¹
  Repeatability ± 2 %: of measuring range full scale
  Ambient temperature –30 °C … +55 °C
  Storage temperature –40 °C … +60 °C
  Electrical safety	CE
  Enclosure rating IP66
  Weight 12 kg
  Power supply Voltage 90 … 250 V Frequency 50 Hz / 60 Hz Power consumption ≤ 35 W
  Test functions	Automatic self-test Contamination limits: at 30% warning, at 50% failure Manual linearity test with reference filter
  Options	Temperature measurement

   

• MCU control unit

  Description	Unit to control the system components and to evaluate and output the data provided by them
  Enclosure rating IP66
  Analog outputs	1 output: 0/2/4 … 20 mA, 750 Ω Electrically isolated, additional outputs if using I/O modules (option)
  Analog inputs	2 inputs: 0 … 20 mA Not electrically isolated, additional inputs if using I/O modules (option)
  Digital outputs	5 relay contacts: + 48 V AC, 1 A Potential-free, for status signals, extendible by additional I/O modules
  Digital inputs	4 potential-free contacts: Additional inputs if using I/O modules
  Modbus ✔ Type of fieldbus integration TCP (via optional interface module) RTU RS-485 (via optional interface module)
  PROFIBUS DP ✔ Type of fieldbus integration Via optional interface module
  Ethernet ✔ Type of fieldbus integration Via optional interface module Function Connection to SOPAS ET software or OPC server
  Serial ✔ Type of fieldbus integration RS-485 (via optional interface module) Function Connection to SOPAS ET software
  USB ✔ Function Connection to SOPAS ET software
  Indication LC display Status LEDs: “Power”, “Maintenance” and “Failure”
  Operation	Via LC-display or software SOPAS ET
  Dimensions (W x H x D) 210 mm x 340 mm x 125 mm
  Weight ≤ 5 kg
  Power supply Voltage 90 … 250 V AC Frequency 50 Hz / 60 Hz Power consumption ≤ 50 W
  Options	Interface module(s) I/O module(s)