• XSA-AO output safety barrier XSA-AO output safety barrier

XSA-AO output safety barrier

Item No: DYT12168218

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XSA-AO output safety barrier
·  1 in 1 out, 2 in 2 out. 0/4~20 mA intrinsically safe output. Support for HART adoption. Terminal supply or DIN rail power supply is available. 

·   XSA-AO is suitable for the connection between the control system output signal and the on-site intrinsically safe circuit. After isolation, the standard DC signal is output to intrinsically safe equipment (such as valve controller and electrical converter) in the hazardous area of the site.

·   Input signal 4~20mA or 0~20mA. The output signal is 4~20mA or 0~20mA.

·   Support for HART pass (optional).

·   This product requires a separate DC power supply. Voltage-type magnetic isolation between power supply-input-output.

Model /Selection Table:


   Model and code


   Basic model


   Output barrier

   Special function


   HART pass (only suitable for channel type 1 in 1 out option)


   Default, no special features

   Channel form


   1 in 1 out


   2 in 2 out

   Input signal


   4~20mA or 0~20mA

   Output signal


   4~20mA or 0~20mA (1 to 1 corresponds to the input signal)

   Power supply voltage


   Power supply (terminal) 20 ~ 32VDC


   Power supply (rail) 20~32VDC (special power supply DIN rail required)

   Service Code


   Product Service Code

    Selection example 
       Example 1: XSA-AOH11-AA-V1-QC9A ...... (1 input and 1 output, output safety barrier, HART pass, current signal 0/4~20mA, terminal power supply 20~32VDC) 
       Example 2: XSA-AO11-AA-V1-QC9A ...... (1 input and 1 output, output safety barrier, current signal 0/4~20mA, terminal power supply 20~32VDC) 
       Example 3: XSA-AO22-AA-V2-QC9A ...... (2 in 2 out, output safety barrier, current signal 0/4~20mA, rail supply 20~32VDC 
    Optional accessories
   Dedicated power supply DIN rail: PSDR-3000 series


Technical data:








    Housing Material / Color

     PC(Polycarbonate)+PPT Material / Black Gray

    Protection level



Environmental conditions:

    Ambient temperature


    Ambient temperature (storage or operation)


    Ambient humidity (operation)

    5~95RH (no condensation)



   Input Current

   4~20mA ;  0~20mA

   Input resistance



Output(intrinsically safe):

   Current output

   4~20mA ;  0~20mA

   Transmission characteristics

   1 to 1 corresponds to the input signal

   Current output load

   adaptive load 0~550Ω

   Output ripple

   <10mV p-p

   Input state when output open circuit fault



Power supply:

   Rated supply voltage


   Power supply voltage range


   Maximum current consumption

   45mA1 in 1 out);<75mA2 in 2 out


General parameters:

  Standard accuracy

   Typical value±0.1%FS

   Temperature drift


   Power on or storage time drift

   ±2μA (180)

   Load change impact


   Response time


   Power-on stabilization time


   Electrical isolation

    Input-output-power supply: 2500V AC RMS / 1 minute

   Protection parameters

     · Power-on shock protection, power-on slow start >20ms   

     · Distribution protection, distribution output clamp current 28mA (±4mA)
     · Reverse power supply protection, reverse voltage -30V
     · Output protection, output clamp current 25mA (typical)
     · Port misconnection and surge protection:
     A.The power-input-output between the two ports of the self-loop can withstand the external loop voltage <±24V.       

     B. Input-output-power supply can withstand 2500V RMS/1 minute without damage.       

     C. The short circuit or open circuit formed by the misconnection of the terminal is not damaged.

   Electromagnetic compatibility (EMC)

    in accordance with IEC 61326-1 (GB/T 18268) , IEC 61326-3-1

   LED indication

    Green LED (power indication)

    Applicable occasions

    Installed in a safe place, can be connected with intrinsically safe equipment in Zone 0, Zone 1, Zone 2; IIC, IIB, IIA; T4~T6 danger zone

   Field device suitable for connection

    On-site intrinsic safety equipment such as I/P converters, control valves, and indicators

    Mounting method

    Horizontal or vertical mounting, can be mounted on standard 35mm DIN rail (or dedicated busbar backplane powered DIN rail)


Explosion-proof parameters:

   Maximum safety voltage (Um)


   Maximum output voltage (Uo)


   Maximum output current (Io)


   Maximum output power (Po)


   Maximum external inductance (Lo)


   Maximum external capacitance (Co)




    CE certification

  Meet CE standards

   National Explosion-proof Electrical Product Quality Supervision and Inspection Center (CQST) certification

  [Ex ia Ga] IIC conforms to GB 3836.1, GB 3836.4, GB 3836.20


Product drawing / terminal wiring diagram:


Product Image Details

XSA-AO output safety barrier 1

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