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NPEXB-HM3D11

Analog output isolated barrier, it transfers 4~20mA signals from a safe area to a hazardous area. It allows transmission of HART communication signals. It needs a backplane power supply. The input, output, and power supply are galvanically isolated from each other.
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Input signal

Output signal

Channels

Power Supply Mode

HART

LFD

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NPEXB-HM3D11

¡¾Core technology¡¿

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¡¾Installation and disposal¡¿



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Apparatus installation                            Apparatus disposal  




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Backplan installation                                Backplan disposal  




¡¾Technical data¡¿ Supply Input Output Transfer characterisics General parameters EMC data Operating conditions ¡¾Mechanical specifications¡¿ Mechanical specifications ¡¾Certified data¡¿ Certified data
Supply
Power supply 18 ~ 32 V DC
Input
Input signal 4 ~ 20mA, HART
Input voltage drop < 1.2V
Output
Output signal 4 ~ 20mA, HART
Load resistance RL ¡Ü 800 ¦¸
Transfer characterisics
Accuracy ¡À 0.1 %F.S.
Temperature drift 0.005%F.S./¡æ
General parameters
Response time ¡Ü 2 ms
Power dissipation < 2.0 W
EMC data
Electromagnetic compatibility IEC 61326-3-1
Dielectric strength ¡Ý 2500V AC (intrinsically safe side / non-intrinsically safe side); ¡Ý 500V AC (Power supply /non-intrinsically safe side)
Insulation resistance ¡Ý 100 M¦¸ (Input /Output/Power supply)
Operating conditions
Operation temperature -20 ¡æ ~ +60 ¡æ
Storage temperature -40 ¡æ ~ +80 ¡æ
Suitable location Mounting in safe area, and connected to the intrinsic safety apparatus in hazardous area zone 0, zone 1, zone 2, ¢òA, ¢òB, ¢òC, T4 ~ T6
Mechanical specifications
Connection method Screw connection
Dimension 15.8mm (W) ¡Á 121.6mm (H) ¡Á 104.8mm (D)
Mounting type DIN35 mm
Certified data
Product approvals NEPSI, CE, FCC, CCC
Ex marking [Ex ia Ga]¢òC
Um 250 V
Uo 28 V (Terminals 1, 2; 4, 5)
Io 93 mA (Terminals 1, 2; 4, 5)
Po 651 mW (Terminals 1, 2; 4, 5)
Co 0.08 ¦ÌF (Terminals 1, 2; 4, 5)
Lo 4 mH (Terminals 1, 2; 4, 5)
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NPEXA-C11

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