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Switching amplifiers for Namur sensors

N0531A

NV1122/24VDC/TR/1D/1G

Switching amplifiers for Namur sensors

N0531A

NV1122/24VDC/TR/1D/1G

  • For the operation of intrinsically safe sensors in hazardous areas
  • Reliable short-circuit and wire-break monitoring
  • Easy programming of the output function
  • LED display to check operation, switching status and function
  • Quick and easy mounting on DIN rail
discontinued article
Discontinuation date: 03/31/2022
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  • csa
  • ce
  • iec
  • fm
Technical details
Product characteristics
Number of inputs and outputs Number of digital outputs: 1
Application
Application short-circuit monitoring; Wire monitoring
Electrical data
Operating voltage tolerance [%] -15...25
Operating voltage [V] 24 DC
Current consumption [mA] < 50
Number of channels 1
Inputs / outputs
Number of inputs and outputs Number of digital outputs: 1
Outputs
Electrical design PNP
Number of digital outputs 1
Max. voltage drop switching output DC [V] 3.5
Max. current load per output [mA] 100
Switching frequency DC [Hz] 5000
Short-circuit proof yes
Operating conditions
Ambient temperature [°C] -20...60
Protection IP 20
Tests / approvals
Approval PTB 02 ATEX 2037; IECEx PTB 06.0038
ATEX marking II (1) G [Ex ia] IIC
II (1) D [Ex ia] IIIC
EMC
EN 50081-2 (1993)
EN 61326-1 (2006)
MTTF [years] 394
Mechanical data
Weight [g] 162
Displays / operating elements
Display
switching status LED, yellow
operation LED, green
function LED, red
Remarks
Remarks
Caution The control monitor must be mounted outside the hazardous area.
Free terminals must not be used.
Pack quantity 1 pcs.
Electrical connection
Connection terminals: ...2.5 mm²
Other data
Maximum values for control circuit
in protection rating intrinsic safety [EEx ia] IIC [EEx ia] IIB [EEx ib] IIC [EEx ib] IIB
Voltage [V] 10.5 10.5 10.5 10.5
Current [mA] 13 13 13 13
Power [mW] 34 34 34 34
External inductance [mH] 200 740 200 740
External capacitance [µF] 2.4 16.8 2.4 16.8
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — EN-GB — N0531A — 07.01.2014 —