TANDA

TX7221Multichannel 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.

• 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

 

680 remote indicators provide fire detection and alarm system designers with an economical product for life safety and property protection applications.

Feature and Benefits

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. • 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

Power Rating Input Voltage : Loop Power:24VDC [18V to 28V] External PSU: 20 to 28VDC Current Consumption : Bus monitoring current: ≤1.5mA, Equipment monitoring current: ≤25mA  

Module

End of line Resistance : 5.1Kohms/ ¼ W Active output voltage : 30VDC / 500mA Contact output voltage : 30VDC / 2A (per circuit) Line system : Connected with the controller using non-polar bus of two wire; connected to the DC24V power supply using a non- polar two-wire connection Protocol/Addressing : T&A, Value range from 1 to 254,occupies nine addresses  

Appearance

Dimension / LW : 150 mm x 100 mm Weight : 350g Operating Temperature : -10°C to +50°C Humidity : 0 to 95% Relative Humidity, Non condensing
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