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NPEXA-C711Z

Communication input isolated barrier, it converts the RS-485 digital signals from a hazardous area into RS-485 digital signals to a safe area by isolation, and also provides transmitters with power in the hazardous area. The input, output, and power supply are galvanically isolated from each other.
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Input signal

Output signal

Channels

Power Supply Mode

Power Distribution

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NPEXA-C711Z

【Core technology】

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【Installation and disposal】



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Installation                                               Disposal  






【Technical data】 Supply Input Output Transfer characterisics General parameters EMC data Operating conditions 【Mechanical specifications】 Mechanical specifications 【Certified data】 Certified data
Supply
Power supply 18 ~ 60 V DC
Input
Input signal RS485
Distribution voltage 9 V DC，140 mA
Output
Output signal RS485
Transfer characterisics
Transmission delay ≤ 5 μs
Transmission rate ≤ 56 kbps
General parameters
Power dissipation ≤ 4.5 W
EMC data
Electromagnetic compatibility IEC 61326-3-1
Dielectric strength ≥ 3000V AC (intrinsically safe side / non-intrinsically safe side); ≥ 1500V AC (Power supply /non-intrinsically safe side)
Insulation resistance ≥ 100 MΩ (Input /Output/Power supply)
Operating conditions
Operation temperature -20 ℃ ~ +60 ℃
Storage temperature -40 ℃ ~ +80 ℃
Suitable location Mounting in safe area, and connected to the intrinsic safety apparatus in hazardous area zone 0, zone 1, zone 2, ⅡA, ⅡB, ⅡC, ⅢC, T4 ~ T6
Mechanical specifications
Connection method Screw connection
Dimension 17.8mm (W) × 110mm (H) × 117mm (D)
Mounting type DIN35 mm
Certified data
Product approvals CNEX, CE, FCC, CCC
Ex marking [Ex ia Ga]ⅡC, [Ex ia Da] ⅢC
Um 250 V
Uo 7.6 V (Terminals 1, 2); 17.1V (Terminals 3, 6)
Io 77 mA (Terminals 1, 2); 463 mA (Terminals 3, 6)
Po 147 mW (Terminals 1, 2); 1980 mW (Terminals 3, 6)
Co 7 μF (Terminals 1, 2); 0.25 μF (Terminals 3, 6)
Lo 6 mH (Terminals 1, 2); 0.063 mH (Terminals 3, 6)
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