• DSA-TP  Universal signal barrier DSA-TP  Universal signal barrier

DSA-TP Universal signal barrier

Item No: DYT12168118

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 DSA-TP  Universal signal barrier

·   1 in 1 out, 1 in 2 out. General purpose signal (RTD/TC/mV/mA), intrinsically safe input. Phone, tablet or Windows PC configuration settings that support Android. LCD display or OLED display. 0/4~20mA output. Support HART communication. Terminal supply or DIN rail power supply is available.

·   The DSA-TP universal signal barrier is used to connect thermal resistance, thermocouples, millivolts, transmitters (distribution) or current sources in hazardous areas on site. After isolation, it is converted to a standard current signal output to the safety zone control system or other instruments.

·   Switching power distribution, current, RTD, thermocouple, and millivolt signal input can be switched according to different wiring methods. The input signal type or range can be configured via software.

·   LCD display or OLED display (optional) to display input values and output values.

·   Support for HART communication (optional).

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

·   Small plug-in structure. Universal base type terminal block, terminal function is fixed, wiring is standardized, M3 screw is fastened.

Model /Selection Table:


    Model and code


     Basic model


     Universal signal barrier

     Special features


     HART communication


     LCD display


     OLCD display


     Default, no special features

     Channel form


     1 in 1 out


     1 in 2 out

     Input signal (Note 1)


     General purpose signal  (RTD , TC , mV , mA)

     Output signal






     Special order (Note 2)

     Power supply voltage


     Power supply (terminal) 2030VDC


     Power supply (rail) 2030VDC   (Note 3)

     Service Code


     Product Service Code

   Note 1:   Please specify the input signal type and range required by the user when ordering. Otherwise, it will be shipped according to the default setting: input Pt100, 0~200°C, output 4~20mA. 
   Note 2:   For other special specifications, please consult the manufacturer or local agent when ordering, and negotiate the order. 
   Note 3:   For products with rail supply, please order a dedicated DIN rail. 
   Selection example 
   Example 1: DSA-TPX11-UA-V1-QC9A ...... General signal safety barrier with LCD display, 1 input and 1 output, output signal 4~20mA, terminal supply. 
   Example 2: DSA-TPH12-UA-V1-QC9A ...... General signal safety barrier, support HART communication, 1 input and 2 output, output signal 4~20mA, terminal supply.
   Optional accessories 
   · Configuration software: CRFW-2000 (Windows system), CRFA-1904 (Android system) 
   · Calibration interface: CR-2206 (PC device for Windows system), FAIF-1904 (Smartphone for Android system) 
   · 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 (intrinsically safe):

   Available Sensor Types(RTD

    Pt100 Thermal Resistance

   Available sensor types(TC

    KESB and other thermocouples

   Temperature measurement range

    depends on sensor type

   Millivolt signal


   Current signal

    4~20mA or 0~20mA

   Distribution voltage to the transmitter

    ≥16V (at 20mA)



   Current output signal

    4~20mA ;  0~20mA

   Maximum current output signal


   Current Output Load

    Adaptive Load 0~300Ω (factory default)

   Output ripple

    <10mV p-p

    Output status when input overload or open circuit

    · When the thermal resistance or thermocouple input is open: output current <3.5mA (lower limit) or >21mA (upper limit)
    · When the power distribution or current input is open: output current 2.5mA (lower limit)
    · When the power distribution or current input is overloaded: output current >22mA (upper limit)


Power supply:

   Rated supply voltage


   Power supply voltage range


   Maximum current consumption



General parameters:

   Standard accuracy

     Typical value±0.1%FS

   Zero migration range

    -10~100mV  or 0~385Ω

   Range migration range

    3.8~100mV or 12.8~400Ω

   Output resolution

    <3.8~100mV or 12.8Ω~400Ω range, 1μA

   Thermocouple input, cold junction compensation error

    ±0.5~1℃ (compensation range -15~+75°C)

   Thermal resistance input, wire resistance effect

    Thermal resistance three-wire input (≤10Ω/line), <±0.005 %/Ω

   Load change effect


   Temperature drift

    · -10~35 mV range: 0.0005% or 0.6μV (whichever is larger) 
    · -10~75 mV range: 0.0005% or 1.2μV (take the larger one)
    · 10~400Ω range: 0.0015% or 4mΩ (whichever is larger)

   Power-on or storage time drift

    ±2μA (180 days)

   Response time


   Power-on stabilization time


   Maximum withstand voltage

    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 22mA (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

  LCD (or OLED) display / LED indication

    · LCD (or OLED) display:
      When the current signal is input, the percentage of the input and the output value, the input value and the output value are displayed.
     When the temperature signal is input, the input value and output value are displayed.
    · Green LED indication: Power indication (when the power is normal, the power indicator is on).

   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

    Thermal resistance or thermocouple temperature sensor, millivolt signal, transmitter or current source signal

   Mounting method

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


Wiring parameters:

   Rigid conductor cross section (min/max)


   Flexible conductor cross section (min/max)


   Minimum Conductor Cross Section (AWG))


   Maximum Conductor Cross Section (AWG) 14


   Stripping length


   Connection type

    M3 screw fastening connection

   Screw torque

    Up to0.6Nm


Explosion-proof parameters:


   Temperature converter operation (terminals 1-2-3)

   Isolator operation (terminal 1-2)

    Distributor Operation (terminals 1-4)

   Maximum output voltage (Uo)




   Maximum output current (Io)




   Maximum output power (Po)




   Maximum external inductance (Lo)




   Maximum external capacitance (Co)




   Maximum safety voltage (Um)




   CE certification

    in line with 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

DSA-TP  Universal signal barrier 1

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