CN

NPEXA-C87

Vibration sensor input isolated barrier, it transfers the output signals of eddy-current transducer from a hazardous area to a safe area. It needs an independent power supply. The input, output, and power supply are galvanically isolated from each other.

Input signal

Output signal

Channels

Power Supply Mode

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NPEXA-C87

【Core technology】

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【Installation and disposal】



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Installation                                               Disposal  






Supply
Power supply 18 ~ 60 V DC
Input
Input signal -20 V ~ 0V
Line resistance ≥ 10 kΩ
Cut-off frequency < -0.1 dB(5 kHz);< -3 dB(50 kHz)
Available voltage When the open circuit voltage is -24 V, and the distribution voltage is -19.5 V, the full load current is ≥ 15 mA
Output
Output signal -20 V ~ 0V
Load resistance < 3 Ω
Transfer characterisics
Accuracy DC accuracy:< ±20 mV;AC accuracy:0 Hz ~ 1 kHz, ±1 %; 1 kHz ~ 20 kHz, -2 % ~ +1 %
Temperature drift 100 ppm/℃
General parameters
Phase response < 10 μs, 200 Hz -0.72°;600 Hz -2°;1 kHz -3.6°;10 kHz -36°;20 kHz -72°;50 kHz -180°;
Power dissipation 1.2 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 12.8mm (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 +1.25 V/-1.25 V (Terminals 2, 1);-27.3 V (Terminals 3/4, 1)
Io 0.1 mA (Terminals 2, 1);92 mA (Terminals 3/4, 1)
Po 0.03 mW (Terminals 2, 1);628 mW (Terminals 3/4, 1)
Co 100 μF (Terminals 2, 1);0.08 μF (Terminals 3/4, 1)
Lo 100 mH (Terminals 2, 1);3.4 mH (Terminals 3/4, 1)
NPEXA-C11

一入一出

热电偶输入安全栅