• TC-RS485 communication isolator TC-RS485 communication isolator

TC-RS485 communication isolator

Item No: DYT12168206

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TC-RS485 communication isolator

· 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.
· The TC-RS485 communication signal isolator is used to provide an isolated DC power supply to the field instrument and convert the RS485 signal to an isolated RS485 (or RS232) signal for transmission to the control system. This product requires independent power supply, power-input-output isolation.
· Input signal: RS485 digital signal.
· Output 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:


    Model and code


    Basic model


    RS485 communication isolator

    Signal conversion


    RS485 signal is converted to isolated RS485 signal


    RS485 signal converted to isolated RS232 signal


    Special order

    Power distribution function


    9V power distribution or 12V power distribution


    Default, no power distribution

    Power supply voltage


    Power supply (terminal) 20~32VDC


    Power supply (rail) 20~32VDC

    Service Code


    Product Service Code

   Selection example 
   Example 1: TC-RS485-1P-V1-QC9A ...... (RS485 communication isolator, 1 2V power distribution, RS485 signal to RS485 signal, terminal power supply 20 ~ 32VDC) 
   Example 2: TC-RS485-1-V1-QC9A ...... (RS485 communication isolator, RS485 signal to RS485 signal, terminal power supply 20~32VDC) 
   Example 3: TC-RS485-2P-V2-QC9A ...... (RS485 communication isolator, 12V power distribution, RS485 signal to RS232 signal, rail power 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)



   Signal Type

    RS485 Digital Letter

   Distribution voltage

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



   Signal type

    RS485 digital signal; RS232 digital signal

   Signal Level Rule

    Standard RS485 Differential Level; Standard RS232 Logic Level

   Signal transmission rate


   Transmission delay



Power supply:

Rated supply voltage


Power supply voltage range


Maximum current consumption



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

   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)


   Flexible wire cross section (min/max)


   Minimum wire cross section (AWG)


   Maximum wire cross section (AWG)


   Stripping length


   Connection type

    M3 screw fastening connection

   Crew torque

    up to 0.6Nm



    CE certification

    Meet CE standards


Product diagram / terminal wiring diagram:




Product Image Details

TC-RS485 communication isolator 1

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