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HomeProductsIntelligent Fire Alarm SystemAddressable Fire Alarm ModuleAddressable Multichannel IO Module
  • Addressable Multichannel IO Module

Addressable Multichannel IO Module

    Payment Type: L/C,T/T
    Incoterm: FOB,CFR,CIF,EXW,FCA
    Min. Order: 1 Bag/Bags

Basic Info

Model No.: TX7221

Additional Info

Packaging: Carton

Brand: TNA

Transportation: Ocean,Air

Place of Origin: SHENZHEN

Port: YANTIAN,SHEKOU

Product Description

Multichannel I/O Module

TX7221 multichannel input and output module (hereinafter referred to as module) is a dedicated bus module device for fire protection, which can be connected with intelligent fire alarm controller.

This module is easy to install, and has active output port, passive output port and input port. Input port has a strong analytical ability to judge the input port for short circuit, open circuit and fire detection, and through the lights indicate the status.


Feature and Benefits

  • A non polar bus of two wire

  • Four input detection ports, four contact output ports, one active output port.

  • The input ports have the function of line fault detection

  • Software and hardware filter technology is used to improve the anti-interference ability of the module

  • LED status indicator

  • Onsite Adjustable Parameter

  • Loop and external power input

Technical Specification

  • Bus protocol T7 protocol
  • Current Consumption Bus monitoring current: ≤1.5mA,
Equipment monitoring current: ≤25mA
  • Power supply voltage 24VDC (18V~28V)
  • Active output voltage 24VDC / 500mA
  • Contact output voltage 24VDC / 2A (per circuit)
  • Connection mode Connected with the controller using non-polar bus of two wire; connected to the DC24V power supply
using a non-polar two-wire connection
  • Encoding method Electronic coding
  • Dimension / LW 150 mm x 100 mm
  • Weight 350g
  • Operating Temperature -10°C to +50°C
  • Humidity 0 to 95% Relative Humidity, Non condensing





Multichannel I O Module




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Product Categories : Intelligent Fire Alarm System > Addressable Fire Alarm Module

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