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NPEXA-H511

Digital input isolated barrier, it converts switch or proximity detector signals (dry contact or NAMUR) from a hazardous area into relay signals to a safe area by isolation. The normal output sate and line fault detection function can be set with the DIP switch. 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

LFD

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NPEXA-H511

¡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 General parameters EMC data Operating conditions State ¡¾Mechanical specifications¡¿ Mechanical specifications ¡¾Certified data¡¿ Certified data
Supply
Power supply 18 ~ 32 V DC
Input
Input signal Dry contact or NAMUR
Output
Output signal Relay contact
Load capacity 0.5 A/35 V DC
General parameters
Switching trigger point Input signal > 2.1mA, signal ¡°1¡±, the yellow LED is always bright£»£»£» £»£» Input signal < 1.2m¦¡, signal ¡°0¡±, the yellow LED goes out
Relay mechanical life > 100000 switching cycles
Switch frequency £¼ 10 Hz
DIP switch settings S1¡úa£ºoutput1 normal mode£»£»£» £»£»S1¡úb£ºinverted mode£»£»£» £»£»S2¡úa£ºLFD on£»£»£» £»£»S2¡úb£ºLFD off
Energized/De-energized delay £¼ 20 ms
Power dissipation ¡Ü 1.0 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
State
LFD function When input current ¡Ü 50¦ÌA, considers the input line breakdown, the output relay de-energized. If input current ¡Ý 6.5mA, considers the input circuit short-circuit, the output relay de-energized, the indicator red flashing
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 10.5 V (Terminals 1, 2)
Io 11.3 mA (Terminals 1, 2)
Po 29.7 mW (Terminals 1, 2)
Co 0.97 ¦ÌF (Terminals 1, 2)
Lo 100 mH (Terminals 1, 2)
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NPEXA-C11

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