VISIC50SF System
- Measured values: Visibility (K-value)
- Measurement principles: Scattered light forward
- Measuring ranges:
Visibility (K-value): 0 … 150 km⁻¹
Temperature measurement (option): –30 … +70 °C
- Response time (t90): ≤ 5 s
- Resolution Visibility (K-value): 1 km⁻¹
- Repeatability: 1 %: of measuring range full scale
- Ambient temperature: –20 °C … +55 °C
- Storage temperature: –30 °C … +85 °C (Measuring device)
- Ambient pressure: 860 hPa … 1,080 hPa
- Ambient humidity: 10 % … 100 %; Relative humidity; non-condensing
- Conformities
ASTRA “Guideline – Fire Detection in Road Tunnels” (2007)
RABT 2006
Electrical safety CE
Test functions
Contamination monitoring of glass pane
Drift and plausibility check
Automatic self-test
Functional monitoring of the optional heating
- Options: Internal heating/ Connection unit/ TAD control unit/ Temperature sensor
VISIC50SF sensor unit
- Description: Analyzer unit of the measuring system
- Electrical safety: CE
- Enclosure rating: IP66/ IP6K9K
- Analog outputs: 2 outputs, 4 … 20 mA, + 500 Ω; Electrically isolated; short-circuit proof. Outputs are preset for smoke detection and temperature.
- Digital outputs: 3 relay contacts; + 48 V, 0.5 A, 24 W; Preset for failure, limit value and maintenance
- Communication interface:
Modbus
PROFIBUS DP
Remark: Not available when a TAD is used, Option
- Type of fieldbus integration: RTU RS-485
- Number: 1
- Indication: LC display, inside
- Status LEDs: “Operational”, “Maintenance required”, and “Fault”
- Input: Functional keys
- Operation: Via LC-display and function keys
- Dimensions (W x H x D): 266 mm x 159 mm x 117 mm (for details see dimensional drawings)
- Weight: 2.8 kg
- Material: Stainless steel 1.4571
- Mounting: Wall mount, vertical, wall inclination up to 45° or ceiling mount using an adapter
- Power supply
Voltage: 18 … 28 V DC
Voltage: Other voltages with optional connecting unit or TAD control unit
Current consumption: ≤ 1 A
Power consumption (Without heating): ≤ 5 W
With heating: ≤ 20 W
TAD control unit
- Description” Remote controll with integrated display and additional I/Os
- Electrical safety: CE
- Enclosure rating: IP66
- Analog outputs: 4 outputs (option), 4 … 20 mA, + 500 Ω; Electrically isolated
- Digital outputs: 3 outputs (option), + 125 V AC, 0.6 A / 30 V DC, 2 A
- Digital inputs: 1 input (option), + 30 V DC
- Dimensions (W x H x D): 210 mm x 347 mm x 129 mm (for details see dimensional drawings)
- Weight: 5 kg
- Material: Stainless steel 1.4571
- Power supply
Voltage: 88 … 264 V AC
Frequency: 47 … 63 Hz
Power consumption: ≤ 15 W
VISIC50SF connecting unit
- Description: Serves for connection of power supply, data and signal cabling provided by the customer
- Electrical safety: CE
- Enclosure rating: IP6K9K
- Dimensions (W x H x D): 266 mm x 238 mm x 146 mm (for details see dimensional drawings)
- Weight: 2.8 kg
- Material: Stainless steel 1.4571
- Power supply
Voltage: 85 … 264 V AC
Frequency: 45 … 65 Hz
Current consumption: ≤ 0.1 A
