• DSA-SPI /SPD/SII  Power distribution or current input barrier (with functional safety SIL) DSA-SPI /SPD/SII  Power distribution or current input barrier (with functional safety SIL)

DSA-SPI /SPD/SII Power distribution or current input barrier (with functional safety SIL)

Item No: DYT12168121

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DSA-SPI (SPD, SII) Power distribution or current input barrier (with functional safety SIL)

Functional safety and reliability are certified by SIL.1 in 1 out, 1 in 2 out, 2 in 2 out. 0/4~20mA intrinsically safe input. The output signal is 0/4~20mA and supports HART pass. Terminal supply or DIN rail power supply is available.

·   DSA-SPI (SPD, SII) is designed to be connected to a transmitter or current source in a hazardous area of the field, to provide electrical distribution to the field transmitter, and to accept current signal input from the transmitter. Current source signal input can also be accepted separately. After isolation, interference suppression, etc., output standard current signals to the safety zone control system or other instruments.

·   SIL functional safety complies with the IEC61508 standard.

·   Input signal 4~20mA or 0~20mA; output signal 4~20mA or 0~20mA.

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

Model /Selection Table:

     Option

    Model and code

      Description

     Basic model

    DSA-SPI

     Power distribution or current input barrier

    DSA-SPD

     Dual channel, power distribution input barrier (only adapts to channel type 2 in 2 out options)

    DSA-SII

     Dual channel, current input barrier (only adapts to channel type 2 in 2 out options)

     Special features

        H

     HART pass (only for the basic model DSA-SPI option)

        F

     Input line fault alarm

   

     Default, no special features

     Channel form

        11

     1 in 1 out

        12

     1 in 2 out    

        22

     2 in 2 out(only for the basic model DSA-SPD or DSA-SII option)

     Input signal

        -A

     4~20mAO or 0~20mA

     Output signal

         A

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

         Z

     Special order

     Power supply voltage

       -V1

     power supply (terminal) 2032VDC

       -V2

     power supply (rail)  2032VDC (Need to be equipped with dedicated power supply DIN rail)

     Service Code

    -QC9A

     Product Service Code

   Selection example
   Example 1: DSA-SPIH11-AA-V1-QC9A
     ...... (1 in 1 out, power distribution or current input safety barrier, HART pass, current signal 0/4~20mA, terminal power supply 20~32VDC)
   Example 2:  DSA-SPIF12-AA-V1-QC9A
     …… (1 in 2 out, power distribution or current input safety barrier, with line fault alarm, current signal 0/4~20mA, terminal power supply 20~32VDC)

   Example 3: DSA-SPD22-AA-V1-QC9A ...... (2 in 2 out, power distribution input safety barrier, current signal 0/4~20mA, terminal power supply 20~32VDC

   Example 4: DSA-SII22-AA-V2-QC9A ...... (2 in 2 out, current input safety barrier, current signal 0/4~20mA, rail supply 20~32VDC)
   Optional accessories
   Dedicated power supply DIN rail: PSDR-3000 series 

        

Technical data:

size:

     Width

    14.5mm

    Height

    102.6mm

    Depth

    124mm

    Housing Material / Color

    PC(Polycarbonate)+PPT Material / Black Gray

    Protection level

    IP20

  

Environmental conditions:

    Ambient temperature

   -20~60℃

    Ambient temperature (storage or operation)

    -40~80℃

    Ambient humidity (operation)

    5~95RH (no condensation)

  

Input (intrinsically safe):

   Input Current

    4~20mA ;  0~20mA

   input resistance

    25Ω

   Distribution voltage supplied to the transmitter

    ≥16V (at 20mA)

  

Output:

   Current output signal

     4~20mA ;  0~20mA

   Maximum current output signal

     1 to 1 corresponds to the input signal

   Current Output Load

     Adaptive load 0~300Ω (factory default)

   Output ripple

     <10mV p-p

   Output status when input overload or open circuit

   · Input overload: output current ≥22mA   

   · Input open circuit: output current 2mA

  

电源

   Rated supply voltage

    24VDC

   Power supply voltage range

    20~30VDC

  Maximum current consumption

   <50mA (1 in 1 out); <70mA (1 in 2 out);
   <100mA (2 in 2 out, power distribution input barrier);
   <50mA (2 in 2 out, current input barrier)

  

General parameters:

    Standard accuracy

     typical value±0.1%FS

   Temperature drift

    <±1μA/10℃

   Load change impact

    ±2μA

   Power on or storage time drift

    ±2μA (180)

   Response time

    <10ms

   Power-on stabilization time

    <1s

   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 backlight indication

    Power on, the product model on the panel is clearly visible through the LED backlight perspective, white.

   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

    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)

    0.5mm²/2.5mm²

   Flexible conductor cross section (min/max)

    0.5mm²/2.5mm²

   Minimum Conductor Cross Section (AWG))

    24

   Maximum Conductor Cross Section (AWG) 14

    14

   Stripping length

    7mm

   Connection type

    M3 screw fastening connection

   Screw torque

    Up to0.6Nm

  

Explosion-proof parameters:

    Name

    Distributor operation (terminal 1-2)

   Isolator operation (terminals 2-3)

   Maximum output voltage (Uo)

    26.2VDC

    7.2VDC

   Maximum output current (Io)

    127mA

    3.7mA

   Maximum output power (Po)

    0.83W

    7mW

   Maximum external inductance (Lo)

    1.5mH

    2.4mH

   Maximum external capacitance (Co)

    0.05μF

    4μF

   Maximum safety voltage (Um)

    250VDC/AC

  

Certification/Standards:

   CE certification

    Meet CE standards

   Functional Safety (SIL) Certification

    SIL2 complies with IEC61508

    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-SPI /SPD/SII  Power distribution or current input barrier (with functional safety SIL) 1

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