DSA-AT thermocouple input barrier (analog type)

   Option

    Model and code

     Description

   Basic model

    DSA-AT

     Thermocouple input barrier

   Channel form

     11

     1 in 1 out

     12

     1 in 2 out

   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) 20 ~ 32VDC

     -V2

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

   Service Code

     -QC9A

     Product Service Code

     Width

    14.5mm

    Height

    102.6mm

    Depth

    124mm

    Housing Material / Color

     PC(Polycarbonate)+PPT Material / Black Gray

    Protection level

     IP20

    Ambient temperature

     -20~＋60℃

    Ambient temperature (storage or operation)

     -40~＋80℃

    Ambient humidity (operation)

     5~95％RH (no condensation)

   Input signal

     K, E, S, B and other thermocouples

   Temperature measurement range

     depends on sensor type

   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)

   Rated supply voltage

     24VDC

   Power supply voltage range

     20~30VDC

  Maximum current consumption

     <25mA (1 in 1 out); <40mA (1 in 2 out)

   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)

   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

   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

    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