PCA2008-A1

'Automated volume control module'

  • Supports automatic volume control to suit levels of background noise
  • Measures the noise level in a designated area
  • Connects up to four microphones PCA2007-A1
  • Supports microphone and line level
  • Supplies the connected microphones with DC 12 V phantom voltage
  • Monitors the microphone wiring for short, interruption and ground fault
  • Fault message via relay changeover contact (Fault / Okay)
  • All connections on plug-in terminal blocks
  • For use with the digital audio matrices PC2001-A1, PC2003-A1 and PC2005-A1
  • 35 mm DIN rail mounting model for the installation in a system cabinet

PCA2007-A1

'Automated volume control microphone'

  • Supports automatic volume control to suit levels of background noise
  • For use with the digital audio matrices PC2001-A1, PC2003-A1 and PC2005-A1
  • Connection to PCA2008-A1 with a 3-pin terminal
  • Power supply via phantom voltage through automatic volume control module PCA2008-A1 (no separate power supply required)
  • Electret microphone in an IP54 protective housing
  • Symmetrical output: selectable microphone / line level
  • Microphone or line level (high resistance to faults)
  • Simple mounting and installation
  • Linear frequency band of 100 Hz to 10 kHz