Pepperl & Fuchs NCN8 18GM40 N0 Sensor
Pepperl & Fuchs NCN8 18GM40 N0 Overview: A minimum series resistance RV is to be provided between the power supply voltage and the proximity switch in accordance with the following list. This can also be assured by using a switch amplifier.
The maximum permissible operating voltage UBmax must be restricted to the values given in the following list. Tolerances are not permitted.Values can be obtained from the following list, depending on the max. operating voltage Ub max and the minimum series resistance Rv.
Specification:
- 8 mm non-flush
- Stainless steel housing
- Usable up to SIL 2 acc. to IEC 61508
- Switching function : Normally closed (NC)
- Output type : NAMUR
- Rated operating distance : 8 mm
- Installation : non-flush
- Assured operating distance : 0 … 6.48 mm
- Actual operating distance : 7.2 … 8.8 mm typ. 8 mm
- Reduction factor rAl : 0.42
- Reduction factor r304 : 0.72
- Nominal voltage : 8 V
- Switching frequency : 0 … 300 Hz
- Hysteresis : 1 … 15 typ. 5 %
- Reverse polarity protection : reverse polarity protected
- Short-circuit protection : yes
- Measuring plate not detected : min. 3 mA
- Measuring plate detected : ≤ 1 mA
- Switching state indicator : all direction LED, yellow
- Functional safety related parameters
- MTTFd : 2040 a
- Mission Time (TM) : 20 a
- Diagnostic Coverage (DC) : 0 %
- Compliance with standards and directives
- Standard conformity
- NAMUR : EN 60947-5-6:2000
- Approvals and certificates
- FM approval
- Control drawing : 116-0165
- UL approval : cULus Listed, General Purpose
- Instruction : Manual electrical apparatus for hazardous areas
- Device category 3D : for use in hazardous areas with combustible dust