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NPEXA-CM177

Millivolt input isolated barrier, it transfers the millivolt 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. It has the function of setting over range output when the input is disconnected.
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Input signal

Output signal

Channels

Power Supply Mode

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NPEXA-CM177

【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 ~ 32 V DC
Input
Input signal -100 ~ 100 mV
Insulation resistance ≥ 20 MΩ
Output
Output signal 1 : 1
Output resistance 55 Ω
Transfer characterisics
Compensation accuracy 0.05 %F.S.
Temperature drift 0.005 %F.S. /℃
General parameters
Response time ≤ 2 ms
Power dissipation 0.8 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, T4 ~ T6
Mechanical specifications
Connection method Screw connection
Dimension 12.8mm (W) × 110mm (H) × 117mm (D)
Mounting type DIN35 mm
Certified data
Product approvals NEPSI, CE, FCC, CCC
Ex marking [Ex ia Ga]ⅡC
Um 250 V
Uo 5 V (Terminals 1, 2)
Io 15.3 mA (Terminals 1, 2)
Po 19.1 mW (Terminals 1, 2)
Co 70 μF (Terminals 1, 2)
Lo 92 mH (Terminals 1, 2)
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NPPB-DIN Bus rail power supply
35mm standard rail
J9集团国际站【中国区】官方网站
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.
J9集团国际站【中国区】官方网站
NPPB-BSC028 Dust cover
Protect the exposed bus and split the combination as needed.
J9集团国际站【中国区】官方网站
NPPB-SS5 Limiter
For fixed position, standard 2 sets
J9集团国际站【中国区】官方网站
NPPB-TS35B Fixed piece
Material: metal iron, used for rail load-bearing reinforcement, standard 2 pieces
J9集团国际站【中国区】官方网站
NPEXA-C11

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