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Pepperl Fuchs LB4002A2

HART Output Isolator

MPN: LB4002A2
Category: H-System (Termination Board Mounting)

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What is the Pepperl Fuchs LB4002A2?

1-channel

Analog output module for 0/4 mA ... 20 mA

Installation in Zone 2 or safe area

HART communication via field bus or service bus

Simulation mode for service operations (forcing)

Line fault detection (LFD)

Permanently self-monitoring

1-channel, Analog output module for 0/4 mA ... 20 mA, Installation in Zone 2 or safe area, HART communication via field bus or service bus, Explosion protection: Ex ic, Field device: Proportional Valve, Field device [2]: I/P converters, Field device [3]: on-site display

Specifications

Slots

Order code (Pepperl+Fuchs part number)	254718
Occupied slots	1
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	0.8 W
Power consumption	0.95 W

Internal bus

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

Analog output

Number of channels	1
Suitable field devices: Field device	Proportional Valve
Suitable field devices: Field device [2]	I/P converters
Suitable field devices: Field device [3]	on-site display
Connection	channel I: 2/3+, 4/5-
Current	0 ... 25 mA short-circuit protected
Line fault detection	can be switched on/off for each channel via configuration tool , configurable via configuration tool
Short-circuit	No
Open-circuit	deviation of preset output value > 0.5 mA
Load	750 Ω max.
HART communication	yes
HART secondary variable	MODBUS: yes; all other bus systems: no
Watchdog	within 0.5 s the device goes in safe state, e.g. after loss of communication

Transfer characteristics

Deviation: After calibration	0.1 % of the signal range at 20 °C (68 °F)
Deviation: Influence of ambient temperature	0.1 %/10 K of the signal range
Refresh time	100 ms

Indicators/settings

LED indication	Power LED (P) green: supply Diagnostic LED (I) red: module fault , red flashing: communication error , white: fixed parameter set (parameters from com unit are ignored) , white flashing: requests parameters from com unit Status LED (1) red: line fault (lead breakage or short circuit)
Coding	optional mechanical coding via front socket

Directive conformity

Electromagnetic compatibility: Directive 2014/30/EU

EN 61326-1:2013

Conformity

Electromagnetic compatibility	NE 21:2007
Degree of protection	IEC 60529:2000
Environmental test	EN 60068-2-14:2009
Shock resistance	EN 60068-2-27:2009
Vibration resistance	EN 60068-2-6:2008
Damaging gas	EN 60068-2-42:2003
Relative humidity	EN 60068-2-78:2001

Ambient conditions

Ambient temperature	-40 ... 60 °C (-40 ... 140 °F) , 70 °C (non-Ex)
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. 90 g
Dimensions: Height	100 mm
Dimensions: Width	16 mm
Dimensions: Depth	102 mm

Data for application in connection with hazardous areas

Certificate	BVS 12 ATEX E 115 X
Marking	II 3 G Ex nA [ic] IIC T4 Gc
Galvanic isolation: Output/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 IEC 60079-11:2024 EN 60079-15:2010

International approvals

ATEX approval	BVS 12 ATEX E 115 X
IECEx approval: IECEx certificate	IECEx BVS 11.0068X
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)

LB4002A2: frequently asked questions

When can LB4002A2 be shipped?

LB4002A2 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 LB4002A2 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 LB4002A2 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 LB4002A2, subject to availability and destination.