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smart DIN rail R7S lightening protection temperature transmitter of thermal resistor
smart DIN rail R7S lightening protection temperature transmitter of thermal resistor

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smart DIN rail lightening-protection temperature transmitter of thermal resistor
SPD function
Output signal range: 4~20mA..

R7S Series lightening-protection thermal resistor temperature transmitter, used for industrial automation system, receive on-site thermal resistor signal input, convert it to analog signal output with the same proportion and corresponding temperature, then isolate and transfer to DCS/PLC, which finally realize the temperature gathering and transmitting in industrial field, meanwhile meet with signal types matching, isolation, interference rejection and improve the system stability function between DCS/PLC. 

    Products of this series characteristically have SPD function, which can efficiently absorb and release the surge energy produced by (external) input induction lightening. Moreover, the three ends (input, output, power) of this series are completely isolated. It contains a variety of combination forms like one-input & one-output, one-input & two-output, two-input & two-output, etc. Width of the shell is only 12mm, which can satisfy the high-density requirements of on-site installation.  

 

General specifications

Construction

Ultra-thin terminal connection

Protection grade

IP20

Connect

Phoenix terminals M3 screw connection

Mounting

EN60715 standard symmetrical 35mmDIN guide

Wire diameter

0.2-2.5mm2

Dimensions

W12 x H95 x D110 mm

Tightening

0.5-0.6Nm

Weight

About 100g

Housing material

Fire resin

 

 

Input specifications

Input voltage range

18V~30V DC

The Power of full-load

≤2W

Absolute maximum input voltage

30VDC

The Power of no-load

/

Power reverse-phase protection

Yes

Power overload protection

Yes

Input signal specifications

Input signal range

Three-wire system input,PT100,Cu50 configurable

 

PT100 Temperature measuring range: -200°C ~ 850°C

 

Cu10 Temperature measuring range: -50°C ~ 150°C

Range of wire resistance

≤200W

Current source 

≤ 1mA

Minimum measure range

50°C 

Output signal specifications

Output signal range

4~20mA,0~20mA,1~5V,0~5V,0~10V

Output signal resistance 

 

0/4~20mA  Output: 0~550W  (with short circuit protection)

 

0~10mA   Output: 0~1100W  (with short circuit protection)

 

0/1~5V    Output: ≥500KW  (with short circuit protection)

 

0~10V     Output: ≥1MW   (with short circuit protection)

Fault output

output  

4~20mA

0~20mA

1~5V

0~5V

0~10V

 

Input disconnection

23mA

23mA

5.75V

5.75V

11.5V

 

Input super range limit

3mA

21mA

0.75V

5.25V

10.5V

 

Input super span ceiling

22mA

22mA

5.5V

5.5V

11V

 

Typical application:

Ø Field may suffer attack of induction lightening surge.

Ø Field need to transfer the thermal resistor or potentiometer signal into isolated standard signal.

Ø Field existing grounding potential difference.

Ø Field existing heavy electromagnetic interference.

Ø Protecting DCS or PLC system.

Ø Distributing one signal in two ways.

 

If you have any questions, please contact us without hesitation.

 

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