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NPEXA-C27

Resistance input isolated barrier, it transfers the resistance signals 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.
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Input signal

Output signal

Channels

Power Supply Mode

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NPEXA-C27

【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 State 【Mechanical specifications】 Mechanical specifications 【Certified data】 Certified data
Supply
Power supply 18 ~ 60 V DC
Input
Input signal 18 ~ 400 Ω
Line resistance ≤ 20 Ω per line
Output
Output signal 1 : 1
Exciting current 0.1 ~ 10 mA
Transfer characterisics
Conversion accuracy 0.5mA ~ 10mA excitation current，，，± 0.1%F.S. or < 0.2Ω（select max）
Temperature drift 30 ppm/℃
General parameters
Response time ≤ 500 ms
Power dissipation 0.4 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
State
Output states Whatever input fault status (except breakage, breakage output about 16Ω,breakage output2 about 0V/mA), the output follows the input within measuring range. And output1 the maximum value would not exceed the upper limit 430Ω, output2 the maximum value would not exceed the 110% of the upper limit of the measuring range.
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 8.7 V (Terminals 1, 3; 2, 3)
Io 33 mA (Terminals 1, 3; 2, 3)
Po 72 mW (Terminals 1, 3; 2, 3)
Co 5 μF (Terminals 1, 3; 2, 3)
Lo 3 mH (Terminals 1, 3; 2, 3)
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NPPB-DIN Bus rail power supply
35mm standard rail
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NPPB-BS210 I/O terminal base
Connect the rail BUS base, external power is introduced through the terminal block of the base. If a redundant power module is selected, this terminal can be left unselected.
3118云顶集团(中国区)官方网站
NPPB-BSC028 Dust cover
Protect the exposed bus and split the combination as needed.
3118云顶集团(中国区)官方网站
NPPB-SS5 Limiter
For fixed position, standard 2 sets
3118云顶集团(中国区)官方网站
NPPB-TS35B Fixed piece
Material: metal iron, used for rail load-bearing reinforcement, standard 2 pieces
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NPEXA-C11

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