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Pepperl Fuchs LB5005A

Thermocouple Converter

MPN: LB5005A
Category: H-System (Termination Board Mounting)

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What is the Pepperl Fuchs LB5005A?

4 channels

Converter for thermocouples and mV-signals

Installation in Zone 2 or safe area

Simulation mode for service operations (forcing)

Line fault detection (LFD)

Permanently self-monitoring

Module can be exchanged under voltage

4 channels, Converter for thermocouples and mV-signals, Installation in Zone 2 or safe area, Simulation mode for service operations (forcing), Explosion protection: Ex ic, Compensation (reference junction CJC): internal cold junction compensation or external cold junction, Field device [2]: Thermocouple, Field device [4]: mV source, Compensation (reference junction CJC): internal cold junction compensation or external cold junction

Specifications

Slots

Order code (Pepperl+Fuchs part number)	254800
Occupied slots	2
Lifecycle	Active (current Pepperl+Fuchs product)

Supply

Connection	backplane bus
Rated voltage	12 V DC , only in connection with the power supplies LB9*** Ur
Power dissipation	0.75 W
Power consumption	0.75 W

Internal bus

Connection	backplane bus
Interface	manufacturer-specific bus to standard com unit

Input

Compensation (reference junction CJC)

internal cold junction compensation or external cold junction

temperature input

Number of channels	4
Suitable field devices: Field device [2]	Thermocouple
Suitable field devices: Field device [4]	mV source
Suitable sensors: Sensor	thermocouples U, B, E, T, K, S, R, L, J, N, Pallaplat and mV sources
Connection	channel I: 1+, 2-; channel II: 5+, 6-; channel III: 9+, 10-; channel IV: 13+, 14-
Measuring range	-65 ... 75 mV with LFD , -75 ... 75 mV without LFD
Smallest span	5 mV for 0.1 % accuracy
Linearity error	0.1 %
Conversion time	max. 300 ms (4 channels) without LFD max. 600 ms (4-channel) with LFD
Compensation (reference junction CJC)	internal cold junction compensation or external cold junction
Test voltage	1.5 kV input - input 1.5 kV input - bus and auxiliary power
Line fault detection	can be switched on/off for each channel via configuration tool ,
Open-circuit	> 1 kΩ

Transfer characteristics

Deviation: Influence of ambient temperature

max. 0,1 %/10 K

Indicators/settings

LED indication	Power LED (P) green: supply Status LED (I) red: line fault (collective alarm) , red flashing: communication error
Coding	optional mechanical coding via front socket

Directive conformity

Electromagnetic compatibility: Directive 2014/30/EU

EN 61326-1:2013

Conformity

Electromagnetic compatibility	NE 21
Degree of protection	IEC 60529
Environmental test	EN 60068-2-14
Shock resistance	EN 60068-2-27
Vibration resistance	EN 60068-2-6
Damaging gas	EN 60068-2-42
Relative humidity	EN 60068-2-78

Ambient conditions

Ambient temperature	-20 ... 60 °C (-4 ... 140 °F)
Storage temperature	-40 ... 85 °C (-40 ... 185 °F)
Relative humidity	95 % non-condensing
Altitude	max. 2000 m
Shock resistance	shock type I, shock duration 11 ms, shock amplitude 15 g, number of shocks 18
Vibration resistance	frequency range 10 ... 150 Hz; transition frequency: 57.56 Hz, amplitude/acceleration ± 0.075 mm/1 g; 10 cycles frequency range 5 ... 100 Hz; transition frequency: 13.2 Hz amplitude/acceleration ± 1 mm/0.7 g; 90 minutes at each resonance
Damaging gas	designed for operation in environmental conditions acc. to ISA-S71.04-1985, severity level G3

Mechanical specifications

Degree of protection	IP20 when mounted on backplane
Connection	removable front connector with screw flange (accessory) wiring connection via spring terminals (0.14 ... 1.5 mm2) or screw terminals (0.08 ... 1.5 mm2)
Mass	approx. 150 g
Dimensions: Height	100 mm
Dimensions: Width	32.5 mm
Dimensions: Depth	102 mm

Data for application in connection with hazardous areas

Certificate	PF 08 CERT 1234 X
Marking	II 3 G Ex nA [ic] IIC T4 Gc
Galvanic isolation: Input/input	functional insulation acc. to IEC 60664-1:2007, rated insulation voltage 50 V, testing voltage 500 V
Galvanic isolation: Input/power supply, internal bus	safe electrical isolation acc. to EN 60079-11, voltage peak value 375 V
Directive conformity: Directive 2014/34/EU	EN IEC 60079-0:2018+AC:2020 EN 60079-11:2012 EN 60079-15:2010

International approvals

IECEx approval: IECEx certificate	IECEx BVS 09.0037X
IECEx approval: IECEx marking	Ex nA [ic] IIC T4 Gc

General information

System information	The module has to be mounted in appropriate backplanes (LB9***) in Zone 2 or outside hazardous areas. Here, observe the corresponding declaration of conformity. For use in hazardous areas (e. g. Zone 2 or Zone 22) the module must be installed in an appropriate enclosure.
Supplementary information	EC-Type Examination Certificate, Statement of Conformity, Declaration of Conformity, Attestation of Conformity and instructions have to be observed where applicable. For information see www.pepperl-fuchs.com.

Downloads & documentation

Official documents from Pepperl Fuchs, downloaded directly from the manufacturer.

Data sheets & manuals

CAD & dimension drawings

Certificates (6)

LB5005A: frequently asked questions

When can LB5005A be shipped?

LB5005A is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up LB5005A in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for LB5005A and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for LB5005A, subject to availability and destination.