Serviceline Industrial Sensors
Serviceline Explosion Protection
Explosion Protection

NAMUR Resistor Network F-NR2-Ex1

F-NR2-Ex1
  • 1-channel
  • Dry contact input
  • For line fault detection (LFD)

Please note: All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of  F-NR2-Ex1

Product Description
NAMUR Resistor Network
Supply
Rated voltagemax. 20 V DC
Electrical specifications
Resistor1.5 kΩ/0.6 W
10 kΩ/0.6 W
Ambient conditions
Ambient temperature-40 ... 60 °C (-40 ... 140 °F)
Mechanical specifications
Degree of protectionIP20
Connectionscrew terminals
Core cross-sectionmax. 1.5 mm2
Cable0.75 mm2 x 150 mm
Massapprox. 20 g
Dimensions∅15.5 x 35 mm (0.61 x 1.38 inch)
Data for application in connection with hazardous areas
CertificateDOC-0053 , see instruction manuals
Temperature classT5
Voltage Ui20 V
Power Pi0.6 W
Ambient temperature60 °C (140 °F)
Internal capacitance Ci0 F
Internal inductance Li 0 H
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.

Classifications

SystemClasscode
ECLASS 11.027219290
ECLASS 10.0.127219290
ECLASS 9.027219290
ECLASS 8.027219290
ECLASS 5.127279290
ETIM 8.0EC003015
ETIM 7.0EC003015
ETIM 6.0EC003015
ETIM 5.0EC003015
UNSPSC 12.139121008

Documents: F-NR2-Ex1

Instruction leafletsLanguageFile TypeFile Size
Operating instructions F-NR*-Ex1 / Betriebsanleitung F-NR*-Ex1ALLPDF69 KB

Associated Products: F-NR2-Ex1

Accessory of

1-channel isolated barrier, 230 V AC supply, Dry contact or NAMUR inputs, Input frequency 1 mHz ... 5 kHz, 2 relay contact outputs, Start-up override, Configurable by keypad, Line fault detection (LFD), Up to SIL 2 acc. to IEC 61508/IEC 61511pa

1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Input frequency 1 mHz ... 5 kHz, 2 relay contact outputs, Start-up override, Configurable by keypad, Line fault detection (LFD), Up to SIL 2 acc. to IEC 61508/IEC 61511pa
  • KFU8-UFT-Ex2.D
  • Frequency Converter with Direction and Synchronization Monitor

2-channel isolated barrier, Universal usage at different power supplies, Dry contact or NAMUR inputs, Input frequency 1 mHz ... 1 kHz, Current output 0/4 mA ... 20 mA, Relay contact and transistor output, Start-up override, Configurable by PACTware or keypad, Line fault detection (LFD)pa

1-channel isolated barrier, Universal usage at different power supplies, Input for NAMUR sensors or dry contacts, Input frequency 1 mHz ... 5 kHz, Current output 0/4 mA ... 20 mA, Relay contact and transistor output, Start-up override, Line fault detection (LFD), Up to SIL 2 acc. to IEC 61508/IEC 61511pa

1-channel isolated barrier, 230 V AC supply, Dry contact or NAMUR inputs, Relay contact output, Line fault detection (LFD), Reversible mode of operation, Up to SIL 2 acc. to IEC 61508/IEC 61511pa

1-channel isolated barrier, 230 V AC supply, Dry contact or NAMUR inputs, Relay contact output, Fault relay contact output, Line fault detection (LFD), Reversible mode of operation, Up to SIL 2 acc. to IEC 61508/IEC 61511pa

2-channel isolated barrier, 230 V AC supply, Dry contact or NAMUR inputs, Relay contact output, Line fault detection (LFD), Reversible mode of operation, Up to SIL 2 acc. to IEC 61508/IEC 61511pa

2-channel isolated barrier, 230 V AC supply, Dry contact or NAMUR inputs, Latching relay contact output, Line fault detection (LFD)pa

1-channel isolated barrier, 230 V AC supply, Dry contact or NAMUR inputs, Relay contact and transistor output, Adjustable output timer functions from 10 ms ... 60 min, Input frequency up to 80 Hz; pulse divider up to 1 kHz, Reset function, Configurable by keypad, Line fault detection (LFD)pa

2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, 2 passive transistor outputs, Reversible mode of operation, Line fault detection (LFD), SIL 2 (SC 3) acc. to IEC/EN 61508pa

1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, 2 active transistor outputs, Usable as signal splitter (1 input and 2 outputs), Reversible mode of operation, Line fault detection (LFD), SIL 2 (SC 3) acc. to IEC/EN 61508pa

2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Usable as signal splitter (1 input and 2 outputs), 2 x 2 relay contact outputs with AND logic, Reversible mode of operation, Line fault detection (LFD), SIL 2 (SC 3) acc. to IEC/EN 61508pa

2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Active transistor output, Line fault detection (LFD), Reversible mode of operation, SIL 2 (SC 3) acc. to IEC/EN 61508pa

1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Usable as signal splitter (1 input and 2 outputs), Isolated passive transistor output, non-polarized, Isolated passive fault output, non-polarized, Line fault detection (LFD), Reversible mode of operation, SIL 2 (SC 3) acc. to IEC/EN 61508pa

2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Isolated passive transistor output, non-polarized, Line fault detection (LFD), Reversible mode of operation, SIL 2 (SC 3) acc. to IEC/EN 61508pa

1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Relay contact output, Line fault detection (LFD), Reversible mode of operation, Up to SIL 2 acc. to IEC 61508/IEC 61511pa

1-channel isolated barrier, 24 V DC supply (Power Rail), Input for NAMUR sensors or dry contacts, Input frequency 1 mHz ... 5 kHz, Current output 0/4 mA ... 20 mA, Relay contact and transistor output, Start-up override, Line fault detection (LFD), Up to SIL 2 acc. to IEC 61508/IEC 61511pa

4-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, 50 % less wiring, 2:1 technology, Relay contact output, Line fault detection (LFD), Reversible mode of operationpa

1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Passive transistor output, non-polarized, Passive fault output, non-polarized, Line fault detection (LFD), Reversible mode of operation, SIL 2 (SC 3) acc. to IEC/EN 61508pa

1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Usable as signal splitter (1 input and 2 outputs), Relay contact output, Fault relay contact output, Line fault detection (LFD), Reversible mode of operation, Up to SIL 2 acc. to IEC 61508/IEC 61511pa

2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Relay contact output, Line fault detection (LFD), Reversible mode of operation, Up to SIL 2 acc. to IEC 61508/IEC 61511pa
1-channel isolated barrier, 115 V AC supply, Dry contact or NAMUR inputs, Relay contact output, Line fault detection (LFD), Reversible mode of operation, Up to SIL 2 acc. to IEC 61508/IEC 61511pa
1-channel isolated barrier, 115 V AC supply, Dry contact or NAMUR inputs, Input frequency 1 mHz ... 5 kHz, 2 relay contact outputs, Start-up override, Configurable by keypad, Line fault detection (LFD), Up to SIL 2 acc. to IEC 61508/IEC 61511pa
1-channel isolated barrier, 115 V AC supply, Dry contact or NAMUR inputs, Relay contact output, Fault relay contact output, Line fault detection (LFD), Reversible mode of operation, Up to SIL 2 acc. to IEC 61508/IEC 61511pa
2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Application-specific outputs, 2 passive transistor outputs (resistive), Line fault transparency (LFT), Housing width 12.5 mm, SIL 2 (SC 3) acc. to IEC/EN 61508pa
2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Application-specific outputs, 2 passive transistor outputs (resistive), Line fault transparency (LFT), Housing width 12.5 mm, SIL 2 (SC 3) acc. to IEC/EN 61508pa
1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR input, Application-specific outputs, Usable as signal splitter (1 input and 2 outputs), 2 passive transistor outputs (resistive), Line fault transparency (LFT), Housing width 12.5 mm, SIL 2 (SC 3) acc. to IEC/EN 61508pa
1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR input, Application-specific outputs, Usable as signal splitter (1 input and 2 outputs), 2 passive transistor outputs (resistive), Line fault transparency (LFT), Housing width 12.5 mm, SIL 2 (SC 3) acc. to IEC/EN 61508pa
2-channel isolated barrier, 115 V AC supply, Dry contact or NAMUR inputs, Latching relay contact output, Line fault detection (LFD)pa
1-channel, Control circuit EEx ia IIC, Reversible mode of operation, Output I: relay contact output (change-over contact), Output II: optionally signal output/fault signal, EMC acc. to NAMUR NE 21, LB/SC monitoring, Up to SIL 2 acc. to IEC 61508/IEC 61511pa
1-channel, Control circuit EEx ia IIC, Reversible mode of operation, 1 relay contact output (change-over contact), EMC acc. to NAMUR NE 21, LB/SC monitoring, Up to SIL 2 acc. to IEC 61508/IEC 61511pa
2-channel, Control circuit EEx ia IIC, Reversible mode of operation, 1 relay contact output (change-over contact) per channel, EMC acc. to NAMUR NE 21, LB/SC monitoring, Up to SIL 2 acc. to IEC 61508/IEC 61511pa
1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Usable as signal splitter (1 input and 2 outputs), Relay contact output, Fault relay contact output, Line fault detection (LFD), Housing width 12.5 mm, Up to SIL 2 acc. to IEC 61508pa
2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Relay contact output, Line fault detection (LFD), Housing width 12.5 mm, Up to SIL 2 acc. to IEC 61508pa
1-channel isolated barrier, 115 V AC supply, Dry contact or NAMUR inputs, Relay contact and transistor output, Adjustable output timer functions from 10 ms ... 60 min, Input frequency up to 80 Hz; pulse divider up to 1 kHz, Reset function, Configurable by keypad, Line fault detection (LFD)pa
1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Usable as signal splitter (1 input and 2 outputs), Relay contact output, Fault relay contact output, Line fault detection (LFD), Housing width 12.5 mm, Connection via spring terminals with push-in connection technology, Up to SIL 2 acc. to IEC 61508pa
2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Relay contact output, Line fault detection (LFD), Housing width 12.5 mm, Connection via spring terminals with push-in connection technology, Up to SIL 2 acc. to IEC 61508pa
1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR input, 2 active transistor outputs, Usable as signal splitter (1 input and 2 outputs), Reversible mode of operation, Line fault detection (LFD), Housing width 12.5 mm, SIL 2 (SC 3) acc. to IEC/EN 61508pa
1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR input, 2 passive transistor outputs, Usable as signal splitter (1 input and 2 outputs), Reversible mode of operation, Line fault detection (LFD), Housing width 12.5 mm, SIL 2 (SC 3) acc. to IEC/EN 61508pa
1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR input, 2 passive transistor outputs (resistive acc. to EN 60947-5-6), Line fault transparency (LFT), Housing width 12.5 mm, SIL 2 (SC 3) acc. to IEC/EN 61508pa
2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, 2 active transistor outputs, Reversible mode of operation, Line fault detection (LFD), Housing width 12.5 mm, SIL 2 (SC 3) acc. to IEC/EN 61508pa
2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, 2 passive transistor outputs, Reversible mode of operation, Line fault detection (LFD), Housing width 12.5 mm, SIL 2 (SC 3) acc. to IEC/EN 61508pa
2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, 2 passive transistor outputs (resistive acc. to EN 60947-5-6), Line fault transparency (LFT), Housing width 12.5 mm, SIL 2 (SC 3) acc. to IEC/EN 61508pa
2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, 2 active transistor outputs, Reversible mode of operation, Line fault detection (LFD), Housing width 12.5 mm, Connection via spring terminals with push-in connection technology, SIL 2 (SC 3) acc. to IEC/EN 61508pa
1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR input, 2 active transistor outputs, Usable as signal splitter (1 input and 2 outputs), Reversible mode of operation, Line fault detection (LFD), Housing width 12.5 mm, Connection via spring terminals with push-in connection technology, SIL 2 (SC 3) acc. to IEC/EN 61508pa
2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, 2 passive transistor outputs, Reversible mode of operation, Line fault detection (LFD), Housing width 12.5 mm, Connection via spring terminals with push-in connection technology, SIL 2 (SC 3) acc. to IEC/EN 61508pa
1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR input, 2 passive transistor outputs, Usable as signal splitter (1 input and 2 outputs), Reversible mode of operation, Line fault detection (LFD), Housing width 12.5 mm, Connection via spring terminals with push-in connection technology, SIL 2 (SC 3) acc. to IEC/EN 61508pa
2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, 2 passive transistor outputs (resistive acc. to EN 60947-5-6), Line fault transparency (LFT), Housing width 12.5 mm, Connection via spring terminals with push-in connection technology, SIL 2 (SC 3) acc. to IEC/EN 61508pa
2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, 2 passive transistor outputs (resistive), Application-specific outputs, Line fault transparency (LFT), Housing width 12.5 mm, SIL 2 (SC 3) acc. to IEC/EN 61508pa
1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR input, 2 passive transistor outputs (resistive), Application-specific outputs, Line fault transparency (LFT), Usable as signal splitter (1 input and 2 outputs), Housing width 12.5 mm, SIL 2 (SC 3) acc. to IEC/EN 61508pa
1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR input, 2 passive transistor outputs (resistive acc. to EN 60947-5-6), Line fault transparency (LFT), Housing width 12.5 mm, Connection via spring terminals with push-in connection technology, SIL 2 (SC 3) acc. to IEC/EN 61508pa
2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Isolated passive transistor output, TTL level, Line fault detection (LFD), Reversible mode of operation, Up to SIL 2 acc. to IEC/EN 61508pa
1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Relay contact and transistor output, Adjustable output timer functions from 10 ms ... 60 min, Input frequency up to 80 Hz; pulse divider up to 1 kHz, Reset function, Configurable by keypad, Line fault detection (LFD)pa
  • KFD2-UFT-Ex2.D
  • Frequency Converter with Direction and Synchronization Monitor
2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Input frequency 1 mHz ... 1 kHz, Current output 0/4 mA ... 20 mA, Relay contact and transistor output, Start-up override, Configurable by PACTware or keypad, Line fault detection (LFD)pa
2-channel isolated barrier, 115 V AC supply, Dry contact or NAMUR inputs, Relay contact output, Line fault detection (LFD), Reversible mode of operation, Up to SIL 2 acc. to IEC 61508/IEC 61511pa

Function: F-NR2-Ex1

The NAMUR Resistor Network is used to monitor lead breakage and short circuit detection in switch amplifier circuits controlled by mechanical contacts.

The component is installed directly to the control contact or inside its terminal box.

The component can be used with all switch amplifiers featuring line fault detection.

General Notes Relating to Pepperl+Fuchs Product Information

Pepperl+Fuchs SE
Lilienthalstraße 200
68307 Mannheim
Germany
info@de.pepperl-fuchs.com
phone +49 621 776-0

© 2021 All Rights Reserved.

Pepperl+Fuchs is a leading developer and manufacturer of electronic sensors and components for the global automation market. Continuous innovation, enduring quality, and steady growth have been the foundation of our success for more than 70 years. Pepperl+Fuchs employs 6,300 people worldwide and has manufacturing facilities in Germany, USA, Singapore, Hungary, Indonesia and Vietnam, most of them ISO 9001 certified.