• TCA-AT thermocouple input barrier (analog type) TCA-AT thermocouple input barrier (analog type)

TCA-AT thermocouple input barrier (analog type)

Item No: DYT12168233

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Details

TCA-AT thermocouple input barrier (analog type)          

·  Multiple channel formats (optional). Thermocouple signal, intrinsically safe input. Terminal supply or DIN rail power supply is available.

·  The DSA-AT Thermocouple Input Barrier is a temperature-transfer isolation barrier that converts the field thermocouple millivolts to a standard current. The thermocouple input isolation safety barrier is composed of analog circuits, has the advantages of no resolution error, no sampling period error, and has high reliability, no crash risk and other important characteristics.

·  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

    TCA-AT

   Thermocouple input barrier

   Channel form

        11

   1 in 1 out

        12

   1 in 2 out

        13

   1 in 3 out

        14

   1 in 4 out  (only products with rail power supply)

        22

   2 in 2 out

        23

   2 in 3 out

        24

   2 in 4 out  (only products with rail power supply)

   Input signal

        -T

   Thermocouple (K,E,S,B,T

        -Z

   Other special thermocouples

   Output signal

         A

   4~20mA

         B

   0~20mA

         Z

   Special order 

   Power supply voltage

       -V1

   Power supply (terminal) 2032VDC

       -V2

   Power supply (rail) 20~32VDC (special power supply DIN rail required)

   Service Code

    -QC9A

   Product Service Code

Selection example
 Example 1: TCA-AT13-TA-V1-QC9A ...... (1 in 3 out, thermocouple input safety barrier, output signal 4~20mA, terminal power supply 20~32VDC) 
 Example 2: TCA-AT22-TB-V1-QC9A ...... (1 in 3 out, thermocouple input safety barrier, output signal 0~20mA, terminal power supply 20~32VDC) 
 Example 3: TCA-AT11-TZ-V2-QC9A ...... (1 input and 1 output, thermocouple input safety barrier, output signal 1~5V, rail supply 20~32VDC) 
 Indication
  1. Please indicate the signal type and range when ordering.
  2. If you select a rail-powered product, please order a dedicated DIN rail.
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):

   Input signal

   K, E, S, B and other thermocouples

   Temperature measurement range

   depends on sensor type

 

Output:

   Current output

   4~20mA ;  0~20mA

   Maximum current output

   22mA(±1mA)

   Current Output Load

   Adaptive Load 0~300Ω (factory default)

   Output ripple

   <10mV p-p

   Output status when input overload or open circuit

   Output current <3.5mA (lower limit) or >21mA (upper limit)

 

Power supply:

  Rated supply voltage

   24VDC

   Power supply voltage range

   20~32VDC

  Maximum current consumption

   <25mA (1 in 1 out); <40mA (1 in 2 out); <55mA (1 in 3 out); <70mA (1 in 4 out);<50mA (2 in 2 out); <65mA (2 in 3 out); <80mA (2 in 4 out)

 

General parameters:

   Standard accuracy

   Typical value±0.1%FS

   Zero migration range

   -10~100mV

   Range migration range

   3.8~100mV

   Output resolution

   <3.8~100mV range, 1μA

    Load change effect

   ±2μA

   Thermocouple input, cold junction compensation error

    ±0.5~1℃ (compensation range -15~+75℃)

   Temperature drift

   · -10~35 mV range: 0.0005% or 0.6μV (whichever is larger) 
   · -10~75 mV range: 0.0005% or 1.2μV (take the larger one)

   Power-on or storage time drift

    ±2μA (180 days)

   Response time

    <10ms

   Power-on stabilization time

    <1s

   Maximum withstand voltage

    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 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 withIEC 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, it can be connected to intrinsically safe equipment in Zone 0, Zone 1, Zone 2; IIC, IIB, IIA; T4~T6 hazardous areas

   Field device suitable for connection

   Thermocouple temperature sensor

   Mounting method

   Horizontal or vertical mounting, can be snapped onto 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:

   Maximum safety voltage (Um)

   250VAC/DC

   Maximum output voltage (Uo)

   7.2VDC

   Maximum output current (Io)

   8.68mA

   Maximum output power (Po)

   15.62mW

   Maximum external inductance (Lo)

   5mH

   Maximum external capacitance (Co)

   6μF

 

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-AT thermocouple input barrier (analog type) 1

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