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CN

NPEXA-C21T1

Temperature input isolated barrier, it converts the resistance signals from a hazardous area into 4~20mA and RS485 signals to a safe area by isolation. It needs an independent power supply. The input, output, and power supply are galvanically isolated from each other. Calibrate the apparatus or modify parameters by using a handheld programmer.
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Input signal

Output signal

Channels

Power Supply Mode

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NPEXA-C21T1

¡¾Core technology¡¿

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¡¾Installation and disposal¡¿



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Installation                                               Disposal  






¡¾Technical data¡¿ Supply Input Output Transfer characterisics General parameters EMC data Operating conditions State ¡¾Mechanical specifications¡¿ Mechanical specifications ¡¾Certified data¡¿ Certified data
Supply
Power supply 18 ~ 60 V DC
Input
Input signal Pt100, Cu100, Cu50, BA1, BA2, etc.
Line resistance ¡Ü 20 ¦¸ per line
Output
Output signal Output1: 4 ~ 20mA; Output2: RS485
Load resistance RL ¡Ü 550 ¦¸
Communication parameters MODBUS-RTU, distance ¡Ü 1000m
Baud rate ¡Ü 19.2 kbps
Transfer characterisics
Conversion accuracy-Pt100 -200 ¡æ ~ +850 ¡æ/£¼100 ¡æ£¬£¬£¬£¬£¬£¬¡À0.1 ¡æ/¡Ý100 ¡æ£¬£¬£¬£¬£¬£¬¡À0.1 %F.S.
Conversion accuracy-Cu50 -50 ¡æ ~ +150 ¡æ/£¼100 ¡æ£¬£¬£¬£¬£¬£¬¡À0.1 ¡æ/¡Ý100 ¡æ£¬£¬£¬£¬£¬£¬¡À0.1 %F.S.
Conversion accuracy-Cu100 -50 ¡æ ~ +150 ¡æ/£¼100 ¡æ£¬£¬£¬£¬£¬£¬¡À0.1 ¡æ/¡Ý100 ¡æ£¬£¬£¬£¬£¬£¬¡À0.1 %F.S.
Temperature drift 40 ppm/¡æ
General parameters
Response time ¡Ü 500 ms
Power dissipation 1.3W
EMC data
Electromagnetic compatibility IEC 61326-3-1
Dielectric strength ¡Ý 3000V AC (intrinsically safe side / non-intrinsically safe side); ¡Ý 1500V 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
Output states Whatever input fault status (except breakage), the output follows the input within measuring range. And the maximum value would not exceed the 110% of the upper limit of the measuring range.
Mechanical specifications
Connection method Screw connection
Dimension 12.8mm (W) ¡Á 110mm (H) ¡Á 117mm (D)
Mounting type DIN35 mm
Certified data
Product approvals NEPSI, CE, FCC, CCC
Ex marking [Ex ia Ga]¢òC, [Ex ia Da] ¢óC
Um 250 V
Uo 8.7 V (Terminals 1, 2, 3)
Io 33 mA (Terminals 1, 2, 3)
Po 72 mW (Terminals 1, 2, 3)
Co (¢òC) 5 ¦ÌF (Terminals 1, 2, 3)
Lo (¢òC) 28 mH (Terminals 1, 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.
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NPPB-BSC028 Dust cover
Protect the exposed bus and split the combination as needed.
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NPPB-SS5 Limiter
For fixed position, standard 2 sets
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NPPB-TS35B Fixed piece
Material: metal iron, used for rail load-bearing reinforcement, standard 2 pieces
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