Fire Alarm System Input / Output Module 21VDC - 28VDC External PSU

Fire Alarm I/O Module 
Main Features:

• Non-polarized two-wire bus
• Built-in microprocessor
• Intelligent self-diagnosis for both open circuit and short circuit
• Totally isolated bus input terminal and output terminal
• Plug-in structural design makes installation easy and reliable
• Enhanced capacity of interference resistance by multilevel wave filtering process
• Strong moisture resistance ability with PCB triple-proof process

Technical Specifications

• Loop protocol
• Operating Voltage:

       15VDC ~ 28VDC  

    

• Operating Current:

       Loop Power:  Monitoring:≤0.65mA  Action:≤3mA

       External Power:  Monitoring:≤5mA  Action:≤20mA

• LED Indicator Status:
  • Monitoring: Red, flashes periodically
  • Signal Input: Red LED indicator
  • Signal Output: Red stays on

• Operating Environment:
  • Temperature: -10℃-+55℃
  • Relative Humidity: ≤95%RH, non-condensing
• Color/Weight: White/143g
• Dimension: 87mm x 87mm x37mm(with base)