• TCA-RS485communication barrier TCA-RS485communication barrier

TCA-RS485communication barrier

Item No: DYT12168237

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TCA-RS485communication barrier          

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

·    TCA-RS485 communication barrier is used to provide isolated DC power to the instrument in the hazardous area of the site, and the RS485 signal is isolated and converted into RS485 (or RS232) signal to the safety zone to realize two-way communication between the dangerous zone and the safety zone. The product requires independent power supply and is isolated between the power supply-input-output.

·    Danger zone signal: RS485 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

   TCA-RS485

    RS485 communication safety barrier

   Signal conversion

    -1

    RS485 signal is converted to isolated RS485 signal

    -2

    Convert RS485 signal to isolated RS232 signal

    -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: TCA-RS485-1P-V1-QC9A  ...... (RS485 communication safety barrier, 1 2V power distribution, RS485 signal to RS485 signal, terminal power supply 20 ~ 32VDC)

Example 2: TCA-RS485-1-V1-QC9A ...... (RS485 communication safety barrier, RS485 signal to RS485 signal, terminal power supply 20 ~ 32VDC)

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

Optional accessories 
Dedicated power supply DIN rail: PSDR-3000 series

              

Technical data:

Size:

    Width

    12.7mm

    Height

    119.3mm

    Depth

    115.7mm

    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 Signal

   Distribution voltage

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

 

Power supply:

   Signal type

    RS485 signal; RS232 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 3-4

   No power distribution (terminal 1-2 )

  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

TCA-RS485communication barrier 1

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