function

MDSB344E series thermal resistance temperature isolation type Safety gate The power supply circuit. Received a dangerous placeThree Wire Pt100 , Cu50 , Cu100 , Pt50 Or other types of Thermal resistance signal, after linearization, transform into linear with temperature Two Wire current signal output. The output circuit of power supply, power does not need to work independently.Online index number and temperature range. Optional One enter One A. Isolated gate From the terminal energy into the limit of intrinsically safe dangerous places, so as to ensure the safety and explosion-proof system.

 

 

Type specification

Product model	1 input code	2 input code	The output of the 1 code	The output of the 2 code
MDSB345E-	1:Pt100 thermal resistance	0: input 2	C:4~20mADC	0: output 2
	2:Cu50 thermal resistance
	3:Cu100 thermal resistance
	4:Pt50 thermal resistance
	G: other thermal resistance

 

 

 

Explosion-proof technology index

Explosion proof mark: [Exia Ga] II C

Authentication parameters: (terminal 1/4 , 1/6 , 4/6 Between)

Um=250V Uo=6.6V Io=68mA

Po=113mW Co=5 Mu F Lo=5mH

 

 

Product features:

The input and output power, the three party is completely isolated, strong anti-interference ability

High precision, high linearity, high stability

Modular design, small volume, low power consumption, suitable for intensive installation

Reasonable structure, easy plugging, installation, disassembly and maintenance is more convenient and simple

 

 

Technical indicators

Input signal: Cu50 , Pt100 , Cu100 , Pt50 And the danger zone

The excitation current is less than or equal to: 0.2mA

The lead wire resistance is less than or equal to: Twenty Omega / Line

Output signal: Two Wire 4~20mA The safety zone,

Output voltage: 16~30V That is, the operating power supply voltage

Conversion accuracy: + (0.2%F.S Delta R>40 Omega )

          . 0.4%F.S (40 Omega = Delta R More than Twenty Omega )

Temperature drift:. 100ppm/ C

Dielectric strength: input / The output is more than 2000VAC ( 1min )

          Intrinsically safe / Non intrinsically safe, more than 2000VAC ( 1min )

Insulation resistance: input / The output is more than 100M (omega 500VDC )

 

 

Remarks： Safety gate The thermal resistance between the wire and the wire must be the same length, conductor resistance value will not increase the measurement error.

DCS The Board shall be provided for Two Wire input mode (distribution mode).

 

Please download the data selection: MDSB344E series thermal resistance temperature isolation gate circuit power supply 

Tags： MDSB344E，热电阻温变，隔离式安全栅，回路供电  

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