
function
MDSB321E series of isolated terminal current detection Safety gate (HART) Sampling risk areas Four Intelligent wireTransmitter Output 4~20mA+HART After processing the output signal isolation. This product is compatible with HART communicationCan be used for intelligent. Transmitter . Optional One enter One A, One enter Two A, Two enter Two 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 signal | 2 input signal | The 1 output signal | The 2 output signal |
MDSB321E-C0C0 | 4~20mADC+HART | No input 2 | 4~20mADC+HART | Output 2 |
MDSB321E-C0CC | 4~20mADC+HART | No input 2 | 4~20mADC+HART | 4~20mADC |
MDSB321E-CCCC | 4~20mADC+HART | 4~20mADC+HART | 4~20mADC+HART | 4~20mADC+HART |

Explosion-proof technology index
Explosion proof mark: [Exia Ga] II C
Authentication parameters: (terminal 4/6 Between, 1/3 Between)
Um=250V Uo=28V Io=93mA
Po =655mW Co=50nF Lo=2.4mH
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
The working power supply: 24VDC . 10%
Work Consumption: less than or equal to 1.0W ( One enter One A)
Less than or equal to 1.8W ( One enter Two A)
Less than or equal to 2.0W ( Two enter Two A)
Input signal: danger zone, 4~20mA+HART
Input impedance: less than or equal to Two hundred Omega
Output signal: 4~20mA+HART The safety zone,
Output load: 0~350 Omega, use HART Must be greater than Two hundred and thirty Omega
One enter Two A model of output Two nothing HART function
Conversion accuracy: + 0.1%F.S
Temperature drift:. 0.01% F.S/ C
Dielectric strength: input / The output is more than 2000VAC ( 1min )
input / The power is greater than or equal to 2000VAC ( 1min )
output / The power is greater than or equal to 1000VAC ( 1min )
Intrinsically safe / Non intrinsically safe, more than 2000VAC ( 1min )
Insulation resistance: input / output / The power is greater than or equal to 100M (omega 500VDC )
Remarks: One enter One A model, One , Three , Eleven , Twelve Don't pick feet up; One enter Two A model, One , Three Don't pick feet up. -US>/ is a non intrinsically safe. 2000VAC ( 1min )
Insulation resistance: input / output / The power is greater than or equal to 100M (omega 500VDC )
Common specifications selection examples:
Model:MDSB321E-C0C0-1212
Input: 4-20mADC+HART signal
Output1:4-20mADC+HART signal
Aux.power:24VDC
Description: This product is a DC power supply typeThe detection terminal current isolationSafety gate, 4-20mADC+HART signalInput, After isolating the output after treatment4-20mADC+HARTThe auxiliary power supply for 24VDC. signal;
For details please download: MDSB321E detection terminal current isolation gate (HART)
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