//826021.00 – Piezo buzzer

826021.00 – Piezo buzzer

Technical data

Nominal voltage range
DC 24 V – 110 V
Voltage range
DC 16.8 V – 137.5 V
Rated current (at UN)
20 mA @ 24 V, 5 mA @ 110 V
Status indication LED
LED UL – green – Power supply OK
Rated frequency fN
200 – 4000 Hz
Sound pressure
85 dB @ 2 kHz at 1m
Volume control
via configuration
Technology
Piezo-ceramic
Boot-up time
< 50 ms

General

Connection type
  • Spring terminal: single stranded 0.08 – 2.5 mm2, fine stranded 0.08 – 2.5 mm2
  • Stripping length: 8 – 9 mm
  • Screwdriver: 3.5 × 0.5 mm
Mounting
Wall mounting
Protection class
IP20
Operation temperature range
-40 °C … +70 °C (+85 °C 10 min)
Storage temperature range
-40°C…85°C
Dimensions (w × h × d)
71×78,5×33 mm
Weight
0,104 kg/piece
Standards
  • EN 50155:2007-07: Railway applications – Rolling stock – Electronic equipment
  • EN 50121-3-2:2006-07: Railway applications – Electromagnetic compatibility – Part 3-2: Rolling stock – Apparatus
  • EN 50124-1:2001-03: Railway applications – Insulation coordination – Part 1: Basic requirements – Clearances and creepage distances for all electrical and electronic equipment
  • EN 61373:2010-09: Railway applications – Rolling stock equipment – Shock and vibration tests
  • HN_Isolationsprüfung:2012-02: Company internal standard – Insulation test

Failure Rate Prediction (MTBF)

Standards
  • Electronic components – Reliability – Reference conditions for failure rates and stress models for conversion: EN/IEC 61709
  • Failure Rates of Components – Expected values: SN 29500
Failure rate at +45 °C
466 fit
Failure rate at +45 °C
2147923 h
1 fit equals one failure per 109 component hours
The indicated temperature is the mean component ambient temperature.
Comments
  • The results are valid under following conditions:
  • Automotive environment or industrial areas without extreme dust levels and harmful substances
  • Continuous operation 8760 h per year
Accessories
  • USB service cable, LCON ZB USB, part number 815900)
  • Configuration software “Lütze Piezo Configurator”
Operating mode
  • 1) Continuous Operation
  • Frequence f1 with defined runtime t3
  • 2) Pulse-Pause operation
  • Frequence f1 with defined runtime t3, On-time t1 und Off-time t2
  • 3) Alternating operation
  • with defined runtime t3, sound with frequence f1: t1 and sound with frequence f2: t2
分類:

描述

Technical data

Nominal voltage range
DC 24 V – 110 V
Rated current (at UN)
5 mA – 200 mA at UN = 24 V
Max. audio duration
Up to 4 minutes at a sample rate of 8 kHz and 4-Bit ADPC compression
Volume control
Configurable in 8 steps or infinitely adjustable via potentiometer S1
Recommended adjustment tool: Screwdriver 2.5 mm × 0.4 mm
Technology
Broadband loudspeaker
Frequency bandwidth
250 Hz – 10000 Hz
Boot-up time
< 8 s

Inputs

Number
6 binary coded digital inputs, enabling a max. of 63 messages
Current Consumption
2.3 mA – 3 mA
Debounce time
Configurable

General

Connection type
  • X1: Spring terminal single stranded 0.14 mm2 – 2.5 mm2, spring terminal fine stranded 0.14 mm2 – 2.5 mm2
  • X2: connection tab 6.3 × 0.8 mm
  • Stripping length: 11 mm
  • Screwdriver: 3.5 × 0.6 mm
Mounting
DIN rail mounting
Protection class
IP20
Operation temperature range
-40 °C … +70 °C (+85 °C 10 min)
Storage temperature range
-40°C…80°C
Dimensions (w × h × d)
104×79×50,5 mm
Weight
0,28 kg/piece
Standards
  • EN 50155:2007-07: Railway applications – Rolling stock – Electronic equipment
  • EN 50121-3-2:2006-07: Railway applications – Electromagnetic compatibility – Part 3-2: Rolling stock – Apparatus
  • EN 50124-1:2001-03: Railway applications – Insulation coordination – Part 1: Basic requirements – Clearances and creepage distances for all electrical and electronic equipment
  • EN 61373:2010-09: Railway applications – Rolling stock equipment – Shock and vibration tests
  • EN 45545-2: Railway applications – Fire protection on railway vehicles – Part 2: Requirements for fire behaviour of materials and components
  • HN_Isolationsprüfung:2012-02: Company internal standard – Insulation test

Failure Rate Prediction (MTBF)

Standards
  • Electronic components – Reliability – Reference conditions for failure rates and stress models for conversion: EN/IEC 61709
  • Failure Rates of Components – Expected values: SN 29500
Failure rate at -40 °C
339 fit
Failure rate at +40 °C
1224 fit
Failure rate at +45 °C
1479 fit
Failure rate at +45 °C
675979 h
Failure rate at +70 °C
4031 fit
1 fit equals one failure per 109 component hours
The indicated temperature is the mean component ambient temperature.
Comments
  • The results are valid under following conditions:
  • Automotive environment or industrial areas without extreme dust levels and harmful substances
Accessories
  • Programmer part number 826900
  • “AudioConfig Tool” from version 2.0.4
  • Software recommendations:
  • – Audacity – Open source programm, audacity.sourceforge.net
  • – From Text to Speech – Free online text–speech service, www.fromtexttospeech.com
Comments
  • GND potential of the digital inputs:
  • The supply voltage (X1.1/X1.2) and the digital inputs (X1.3–X1.8) must have the same ground potential (GND).
  • Volume variation: The volume can be set different for each signal tone
  • Supported audio formats: *.WAV (16 bit / mono)

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