• TC-WPD/WII Two-wire loop power distribution isolator (two-wire loop current signal isolator) TC-WPD/WII Two-wire loop power distribution isolator (two-wire loop current signal isolator)

TC-WPD/WII Two-wire loop power distribution isolator (two-wire loop current signal isolator)

Item No: DYT12168207

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Details

TC-WPD/WII Two-wire loop power distribution isolator (two-wire loop current signal isolator)

· Two-wire system, 4~20mA isolated transmission. 1 in 1 out, 2 in 2 out, 3 in 3 out, 4 in 4 out. Card-mounted structure.
· TC-WPD two-wire loop power distribution isolator or TC-WII current input isolator is a supplement to the four-wire equivalent instrument. It features only two power supply lines and output current signal lines, and the two are in series. The signal current is equal to the supply current, so the structure is simple, eliminating the need for 2 terminals and their wiring. In the case of small usage and low load, it is a viable option.
· Two-wire system, 4~20mA isolated transmission.
· Thin card-mounted structure, standardized wiring, easy installation and easy maintenance.

Model / selection table:

  Option

    Model and code

    Description

  Basic model

    TC-WPD

    Two-wire loop power distribution isolator

    TC-WII

    Two-wire loop current signal isolator

  Channel form

        11

    1 in 1 out

        22

    2 in 2 out

        33

    3 in 3 out

        44

    4 in 4 out

  Input signal

        -A

    4~20mA

  Output signal

         A

    4~20mA

  Service Code

    -QC9A

    Product Service Code

  Selection example
  Example 1: TC-WPD44-AA-QC9A ...... (4 in 4 out, 2nd line loop distribution isolator, current signal 4~20mA) 
  Example 2: TC-WII22-AA-QC9A ...... (2 in 2 out, 2 line loop galvanic isolator, current signal 4 to 20mA)

 

Technical data:

Size:

Width

     12.7mm

     Height

     119.3mm

     Height

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:

   Input signal

    4~20mA

   Voltage drop

    ≤2.5V (at 20mA)

   Distribution voltage

    ≥12V (when the power supply voltage is greater than 24V)

 

Output:

   Current output

    4~20mA

   Current output load

    0~300Ω

   Output ripple

    <5mV p-p

 

Power supply:

  Output loop power supply

    ≤30V DC

 

General parameters:

    Standard accuracy

    Typical values±0.1%FS

    Temperature drift

    <±1μA/10℃

    Load change effect

    ±0.1%

    Response time

    <10ms

    Electrical isolation

    Between input and output: 2500V AC RMS / 1 minute

    Protection parameters

    · Power-on shock protection, power-on slow start >20ms
    · 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

    Mounting method

    Horizontal or vertical mounting, can be snapped onto standard 35mm DIN rail

 

Wiring parameters:

   Rigid conductor cross section (min/max)

    0.5mm²/2.5mm²

   Flexible wire cross section (min/max)

    0.5mm²/2.5mm²

   Minimum wire cross section (AWG)

    24

   Maximum wire cross section (AWG)

    14

   Stripping length

    7mm

   Connection type

    M3 screw fastening connection

   Crew torque

    up to 0.6Nm

 

Certification/standards:

    CE certification

    Meet CE standards

Product diagram / terminal wiring diagram:

 

           

Product Image Details

TC-WPD/WII Two-wire loop power distribution isolator (two-wire loop current signal isolator) 1

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