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SITRANS TR300

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SITRANS TR300 產(chǎn)品詳情

概述

可靠耐用的 HART - 通用型 SITRANS TR300 變送器
  • 4 到 20mA 的 2 線制裝置,HART

  • 導(dǎo)軌式安裝的設(shè)備

  • 真正可用于任何類型溫度傳感器的通用輸入

  • 通過 HART 進(jìn)行配置

優(yōu)勢

  • 緊湊型設(shè)計

  • 電氣隔離

  • 用于萬用表的測試插孔

  • 診斷用 LED 指示燈(綠/紅)

  • 傳感器監(jiān)控
    開路和短路

  • 自監(jiān)控

  • 存儲在 EEPROM 上的配置狀態(tài)

  • 擴(kuò)展了診斷功能,如從狀態(tài)指示、運(yùn)行小時數(shù)計數(shù)器等

  • 特性

  • 電磁兼容性符合 EN 61326 和 NE21 標(biāo)準(zhǔn)

  • SIL2(帶訂貨代碼 C20)、SIL2/3(帶訂貨代碼 C23)


應(yīng)用

SITRANS TR300 變送器可以用于所有工業(yè)領(lǐng)域。它們的緊湊式設(shè)計使之可以現(xiàn)場安裝在控制柜內(nèi)的保護(hù)箱內(nèi)的標(biāo)準(zhǔn) DIN 導(dǎo)軌上。以下傳感器/信號源可以通過通用的輸入模塊進(jìn)行連接:

  • 電阻溫度計(2、3 或 4 線制)

  • 熱電偶

  • 基于電阻的傳感器和直流電壓源

輸出信號為直流信號,根據(jù)傳感器特性為 4 到 20mA,增加了數(shù)字 HART 信號。

本安型變送器可以安裝在有爆炸性危險的環(huán)境中。這些設(shè)備符合指令 2014/34/EU (ATEX) 的要求

功能

SITRANS TR300 通過 HART 進(jìn)行配置。這可以使用手持式通訊裝置或更方便的 HART 調(diào)制解調(diào)器和 SIMATIC PDM 參數(shù)化軟件來進(jìn)行。然后數(shù)據(jù)可以性的保存在非易失性存儲器中(EEPROM)。

只要傳感器的電源正確連接好,變送器就可以輸出一個與溫度成線性的輸出信號,診斷 LED 指示燈顯示綠燈亮。如果傳感器短路,LED 會閃爍紅色,紅燈常亮表示有內(nèi)部設(shè)備故障。

測試插座可以用于隨時連接安培表用于監(jiān)視和似真檢驗(yàn)。讀出輸出電流時不會產(chǎn)生任何干擾,甚至無需打開電流回路。

SITRANS TH300 功能圖


技術(shù)規(guī)范

Input

Resistance thermometer

Measured variable

Temperature

Sensor type

  • to IEC 60751

Pt25 to Pt1000

  • to JIS C 1604; a=0.00392 K-1

Pt25 to Pt1000

  • to IEC 60751

Ni25 to Ni1000

  • Special type

Over special characteristic (max. 30 points)

Sensor factor

0.25 ... 10 (adaptation of the basic type, e.g. Pt100 to version Pt25 ... Pt1000)

Units

°C or °F

Connection

  • Standard connection

1 resistance thermometer (RTD) in 2-wire, 3-wire or 4-wire system

  • Generation of average value

2 identical resistance thermometers in 2-wire system for generation of average temperature

  • Generation of difference

2 identical resistance thermometers (RTD) in 2-wire system (RTD 1 – RTD 2 or RTD 2 – RTD 1)

Interface

  • Two-wire system

Parameterizable line resistance ≤ 100 Ω (loop resistance)

  • Three-wire system

No balancing required

  • Four-wire system

No balancing required

Sensor current

≤ 0.45 mA

Response time T63

≤ 250 ms for 1 sensor with open-circuit monitoring

Open-circuit monitoring

Always active (Cannot switched off)

Short-circuit monitoring

Can be switched off (value is adjustable)

Range

Parameterizable (see table "Digital measuring errors")

Min. measured span

10 °C (18 °F)

Characteristic

Temperature-linear or special characteristic

Resistance-based sensors

Measured variable

Actual resistance

Sensor type

Resistance-based, potentiometers

Units

Ω

Connection

  • Normal connection

1 resistance-based sensor (R) in 2-wire, 3-wire or 4-wire system

  • Generation of average value

2 resistance-based sensors in 2-wire system for generation of average value

  • Generation of difference

2 resistance thermometers in 2-wire system
(R1 – R2 or R2 – R1)

Interface

  • Two-wire system

Parameterizable line resistance ≤ 100 Ω (loop resistance)

  • Three-wire system

No balancing required

  • Four-wire system

No balancing required

Sensor current

≤ 0.45 mA

Response time T63

≤ 250 ms for 1 sensor with open-circuit monitoring

Open-circuit monitoring

Always active (cannot switched off)

Short-circuit monitoring

Can be switched off (value is adjustable)

Range

Parameterizable, max. 0 ... 2200 Ω (see Table "Digital measuring errors")

Min. measured span

5 Ω ... 25 Ω (see Table "Digital measuring errors")

Characteristic

Resistance-linear or special characteristic

Thermocouple elements

Measured variable

Temperature

Sensor type (thermocouples)

  • Type B

Pt30Rh-Pt6Rh to DIN IEC 584

  • Type C

W5 %-Re to ASTM 988

  • Type D

W3 %-Re to ASTM 988

  • Type E

NiCr-CuNi to DIN IEC 584

  • Type J

Fe-CuNi to DIN IEC 584

  • Type K

NiCr-Ni to DIN IEC 584

  • Type L

Fe-CuNi to DIN 43710

  • Type N

NiCrSi-NiSi to DIN IEC 584

  • Type R

Pt13Rh-Pt to DIN IEC 584

  • Type S

Pt10Rh-Pt to DIN IEC 584

  • Type T

Cu-CuNi to DIN IEC 584

  • Type U

Cu-CuNi to DIN 43710

Units

°C or °F

Connection

  • Standard connection

1 thermocouple (TC)

  • Generation of average value

2 thermocouples (TC)

  • Generation of difference

2 thermocouples (TC) TC1 – TC2 or TC2 – TC1

Response time T63

≤ 250 ms for 1 sensor with open-circuit monitoring

Open-circuit monitoring

Can be switched off

Cold junction compensation

  • Internal

With integrated Pt100 resistance thermometer

  • External

With external Pt100 IEC 60571 (2-wire or 3-wire connection)

  • External fixed

Cold junction temperature can be set as fixed value

Range

Parameterizable (see table "Digital measuring errors")

Min. measured span

Min. 50 ... 199 °C (90 ... 180 °F) (see table "Digital measuring errors")

Characteristic

Temperature-linear or special characteristic

mV Sensor

Measured variable

DC voltage

Sensor type

DC voltage source (DC voltage source possible over an externally connected resistor)

Units

mV

Response time T63

≤ 250 ms for 1 sensor with open-circuit monitoring

Open-circuit monitoring

Can be switched off

Short-circuit monitoring

Can be switched off (value is adjustable)

Range

Parameterizable max. -100 … 1100 mV

Min. measured span

2 mV or 20 mV

Overload capacity of the input

-1.5 ... +3.5 V DC

Input resistance

≥ 1 MΩ

Characteristic

Voltage-linear or special characteristic

Output

Output signal

4 ... 20 mA, 2-wire
Communication acc. to HART Rev. 5.9

Power supply

11 ... 35 V DC (to 30 V with EEx)

Max. load

(Uaux – 11 V)/0.023 A

Overrange

3.6 ... 23 mA, continuously adjustable (default range: 3.84 ... 20.5 mA)

Error signal (e.g. in the event of sensor breakage)

3.6 ... 23 mA, continuously adjustable (default value: 22.8 mA)

Sample cycle

0.25 s nominal

Damping

Software filter 1st order 0 ... 30 s (parameterizable)

Protection

Against reversed polarity

Electrically isolated

Input against output (1 kVeff)

Measuring accuracy

Digital measuring errors

See Table "Digital measuring errors"

Reference conditions

  • Power supply

24 V ± 1 %

  • Load

500 Ω

  • Storage temperature

23 °C

  • Warming-up time

> 5 min

Error in the analog ouput (digital/analog converter)

< 0.1 % of span

Error due to internal cold junction

< 0.55 °C (0.9 °F)

Temperature effect

< 0.1 % der max. span/10°C (18 °F)

Power supply effect

< 0.005 % of span/V

Effect of load impedance

< 0.012 % of span/100 Ω

Long-term drift

  • in the first month

< 0.02 % of max. span

  • after one year

< 0.03 % of max. span

  • after 5 years

< 0.04 % of max. span

Rated conditions

Ambient temperature

Storage temperature

-40 ... +85 °C (-40 ... 185 °F)

Functional temperature

-40 ... +85 °C (-40 ... 185 °F)

Relative humidity

< 98 %, with condensation

Electromagnetic compatibility

acc. to DIN EN 61326 and NAMUR NE21

Construction

Material

Plastic, electronic module potted

Approx. weight

122 g (0.27 lb)

Dimensions

See "Dimension drawings"

Cross-section of cables

Max. 2.5 mm2 (AWG 13)

Degree of protection to EN 60529

  • Enclosure

IP40

  • Terminals

IP00

Certificate and approvals

Explosion protection ATEX

EC type test certificate

PTB 07 ATEX 2032X

  • "Intrinsic safety" type of protection

II 2(1) G Ex ia/ib IIC T6/T4

II 3(1) G Ex ia/ic IIC T6/T4

II 2(1) D Ex iaD/ibD 20/21 T115 °C

  • Type of protection, "equipment has limited energy"

II 3 G Ex nL IIC T6/T4

  • Type of protection, "equipment is non-arcing"

II 3 G Ex nA IIC T6/T4

Software requirements for SIPROM T

PC operating system:

Windows ME, 2000 and XP; also Windows 95, 98 and 98 SE, but only in connection with RS 232 modem.



Factory setting:

  • Pt100 (IEC 751) with three-wire circuit

  • Measuring range: 0 ... 100 °C (32 ... 212 °F)

  • Fault current: 22.8 mA

  • Sensor offset: 0 °C (0 °F)

  • Damping 0.0 s

Digital measuring errors

Resistance thermometer

input

Range

Min. measured span

Digital accuracy

°C (°F)

°C

(°F)

°C

(°F)

to IEC 60751

Pt25

-200 ... +850 (-328 ... +1562)

10

(18)

0.2

(0.36)

Pt50

-200 ... +850 (-328 ... +1562)

10

(18)

0.15

(0.27)

Pt100 ... Pt200

-200 ... +850 (-328 ... +1562)

10

(18)

0.1

(0.18)

Pt500

-200 ... +850 (-328 ... +1562)

10

(18)

0.15

(0.27)

Pt1000

-200 ... +350 (-328 ... +662)

10

(18)

0.15

(0.27)

to JIS C1604-81

Pt25

-200 ... +649 (-328 ... +1200)

10

(18)

0.2

(0.36)

Pt50

-200 ... +649 (-328 ... +1200)

10

(18)

0.15

(0.27)

Pt100 ... Pt200

-200 ... +649 (-328 ... +1200)

10

(18)

0.1

(0.18)

Pt500

-200 ... +649 (-328 ... +1200)

10

(18)

0.15

(0.27)

Pt1000

-200 ... +350 (-328 ... +662)

10

(18)

0.15

(0.27)

Ni 25 to Ni1000

-60 ... +250 (-76 ... +482)

10

(18)

0.1

(0.18)



Resistance-based sensors

Input

Range

Min. measured span

Digital accuracy

Ω

Ω

Ω

Resistance

0 ... 390

5

0.05

Resistance

0 ... 2200

25

0.25



Thermocouples

Input

Measuring range

Min. measured span

Digital accuracy

°C

(°F)

°C

(°F)

°C

(°F)

Type B

0 ... 1820

(32 ... 3308)

100

(180)

21)

(3.60)1)

Type C (W5)

0 ... 2300

(32 ... 4172)

100

(180)

2

(3.60)

Type D (W3)

0 ... 2300

(32 ... 4172)

100

(180)

12)

(1.80)2)

Type E

-200 ... +1000

(-328 ... +1832)

50

(90)

1

(1.80)

Type J

-210 ... +1200

(-346 ... +2192)

50

(90)

1

(1.80)

Type K

-230 ... +1370

(-382 ... +2498)

50

(90)

1

(1.80)

Type L

-200 ... +900

(-328 ... +1652)

50

(90)

1

(1.80)

Type N

-200 ... +1300

(-328 ... +2372)

50

(90)

1

(1.80)

Type R

-50 ... +1760

(-58 ... +3200)

100

(180)

2

(3.60)

Type S

-50 ... +1760

(-58 ... +3200)

100

(180)

2

(3.60)

Type T

-200 ... +400

(-328 ... +752)

40

(72)

1

(1.80)

Type U

-200 ... +600

(-328 ... +1112)

50

(90)

2

(3.60)



1) The digital accuracy in the range 0 to 300 °C (32 to 572 °F) is 3 °C (5.4 °F).

2) The digital accuracy in the range 1750 to 2300 °C (3182 to 4172 °F) is 2 °C (3.6 °F).

mV Sensor

input

Range

Min. measured span

Digital accuracy

mV

mV

μV

mV Sensor

-10 ... +70

2

40

mV Sensor

-100 ... +1100

20

400



The digital accuracy is the accuracy after the analog/digital conversion including linearization and calculation of the measured value.

An additional error is generated in the output current 4 to 20 mA as a result of the digital/analog conversion of 0.1 % of the set span (digital-analog error).

The total error under reference conditions at the analog output is the sum from the digital error and the digital-analog error (poss. with the addition of cold junction errors in the case of thermocouple measurements).

尺寸圖

SITRANS TR300,外形尺寸單位 mm

電路圖

SITRANS TR300,連接器的分配

SITRANS TR300,傳感器連接分配


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