• DSA-RS485/RS232 communication barrier DSA-RS485/RS232 communication barrier

DSA-RS485/RS232 communication barrier

Item No: DYT12168149

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DSA-RS485/RS232 communication barrier

·   RS485 (or RS232) signal, intrinsically safe input. Distribution voltage 9V, 12V. The RS485 signal is converted to an isolated RS485 (or RS232) signal. The RS232 signal is converted to an isolated RS485 signal. Terminal supply or DIN rail power supply is available.

·   The DSA-RS485 communication barrier is used to provide isolated DC power to the instrument in the hazardous area of the field, and the RS485 (or RS232) signal is isolated and converted into RS485 (or RS232) signal to the safety zone to realize the danger zone and safety zone. Two-way communication. The product requires independent power supply, power-input-output three isolation

·   Danger zone signal: RS485 digital signal (or RS232 digital signal).

·   Safety zone signal: RS485 digital signal (or RS232 digital signal).

·   Signal transmission rate: ≤ 56kbps. Transmission delay: ≤10uS.

·   Card-mounted structure, mounted on a 35mm DIN standard rail card. Screw terminal, the wiring is fastened by M3 screw.

Model /Selection Table:

   Option

   Model and code

    Description

   Basic model

   DSA-RS485

    RS485 communication barrier

   DSA-RS232

    RS232 communication barrier

   Signal conversion

        -1

    RS485 signal is converted to isolated RS485 signal

        -2

    RS485 signal converted to isolated RS232 signal

        -3

    Dual channel, RS485 signal is converted to isolated RS485 signal

        -4

    RS232 signal converted to isolated RS485 signal (only for model DSA-RS232 option)

        -Z

    Special order

     Power distribution function

        P

    9V power distribution or 12V power distribution

   

    Default, no power distribution

     Power supply voltage

      -V1

    power supply (terminal) 2032VDC

      -V2

    power supply (rail)2032VDC

     Service Code

    -QC9A

    Product Service Code

    Selection example 

    Example 1: DSA-RS485-1P-V1-QC9A ...... (RS485 communication safety barrier, 1 2V power distribution, RS485 signal to RS485 signal, terminal power supply 20 ~ 32VDC) 
    Example 2: DSA-RS485-1-V1-QC9A ...... (RS485 communication safety barrier, RS485 signal to RS485 signal, terminal power supply 20~32VDC)
    Example 3: DSA-RS485-2P-V2-QC9A ...... (RS485 communication safety barrier, 9V power distribution, RS485 signal to RS232 signal, rail supply 20~32VDC) 
    Example 4: DSA-RS232-4-V1-QC9A ...... (RS232 communication safety barrier, RS232 signal to RS485 signal, terminal power 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):

   Signal Type

   RS485 Digital Signal

   Distribution voltage

   9V distribution voltage, current ≤100mA; 12V distribution voltage, current ≤60mA

 

Power supply:

   Signal type

    RS485 digital signal; RS232 digital signal

   Signal level rule

    Standard RS485 differential level; standard RS232 logic level

   Signal transmission rate

    ≤56kbps

   Transmission delay

    ≤10uS

 

Power supply:

   Rated supply voltage

   24VDC

    Power supply voltage range

   20~32VDC

   Maximum current consumption

   130mA

 

General parameters:

  Electrical isolation

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

   Electromagnetic compatibility (EMC)

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

   LED status 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

    RS485 communication interface

   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

   With distribution, terminal 1-2

   Terminal 3-4 

  Maximum output voltage (Uo)

   16VDC

   8VDC

  Maximum output current (Io)

   475mA

   90mA

  Maximum output power (Po)

   1.83W

   0.18W

  Maximum external inductance (Lo)

   0.123mH

   3mH

  Maximum external capacitance (Co)

   0.46μF

   5μF

  Maximum safety voltage (Um)

   250VDC/AC

 

Certification/Standards:

    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-RS485/RS232 communication barrier 1

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