Relay Contact Output Addressable Dual I/O Module for Fire Detection and Alarm Systems

EN54 standard Addressable Dual I/O Module with relay contact output signal

TX7220      

Addressable Dual I/O Module

Main Features

• Design in compliance with EN 54-18:2005/AC 2007 standards
• Relay output contacts with 2 independent circuits
• Electronic address coding
• Selectable loop power by two-wire loop or external 24VDC
• Auto-check of wire status (Open/Normal/Short) for both input and output lines.
• Plug-in structural design for easy installation
• Enhanced capacity of interference resistance by using multilevel wave filtering process

Technical Specifications

• Operating Voltage
  • Loop Power: 24VDC
  • External PSU: 20-28VDC
• Operating Current:
  • Loop: Standby≤0.6mA;  Action≤1.6mA
  • PSU: Standby≤4mA,    Action≤20mA
• LED Indicator Status:
  • Monitoring (Input 1&2): Red, flashes once periodically
  • Action:  Red stays on  
  • Fault:  Red, flashes twice periodically
• Operating Environment:

                    Temperature: -10 +55

                    Relative Humidity: 95% RH non-condensing

• Color/Weight: White/130g
• Dimension: 108.0mm × 86.0mm × 38.0mm