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Pepperl Fuchs LB8111A2-0756

Com Unit for MODBUS TCP

MPN: LB8111A2-0756
Category: LB (Zone 2, Class I/Div. 2)

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What is the Pepperl Fuchs LB8111A2-0756?

Interface between the I/O modules and the PCS/PLC

Com unit for 80 analog or 184 digital channels

Communication via MODBUS TCP

Mounting in Zone 2, Class I/Div.2 or in the safe area

HART communication via MODBUS TCP or service bus

Configuration via FDT 1.2 DTM

Non-volatile memory for configuration and parameter settings

Self configuration in redundant systems

Permanently self-monitoring

Outputs drive to safe state in case of failures

Module can be exchanged under voltage

Interface between the I/O modules and the PCS/PLC, Com unit for 80 analog or 184 digital channels, Communication via MODBUS TCP, Mounting in Zone 2, Class I/Div.2 or in the safe area, Fieldbus type: MODBUS TCP

Specifications

Supply

Order code (Pepperl+Fuchs part number)	287583
Connection	backplane bus
Rated voltage	5 V DC , only in connection with the power supplies LB9*** Ur
Power dissipation	2.5 W
Power consumption	2.5 W
Lifecycle	Active (current Pepperl+Fuchs product)

Fieldbus connection

Fieldbus type

MODBUS TCP

Ethernet Interface

Connection type	RJ-45 , via backplane
Transfer rate	10 MBit/s
Station connection	directly to PCS or PLC or via hubs or switches
Bus length	max. 100 m (CAT 7 cable)
Addressing	IP address assigned via Ethernet
Ethernet address	IP V4 address (factory standard setting: 0.0.0.0, auto IP, DHCP)
Number of channels per station	max. 80 analog, max. 184 digital
Supported I/O modules	all LB remote I/O modules
HART communication	via Ethernet or service bus

Internal bus

Connection	backplane bus
Redundancy	via backplane

Service interface

Connection	9-pole to RS 485 standard , Sub-D
Number of stations per bus line	31 (RS-485 standard)

Indicators/settings

LED indication

LED P: (power supply): On = operating, fast flash = cold start LED 1: (collective alarm): On = internal fault, flashing = no fieldbus connection LED 2: (operating mode): flashing 1 (1:1 ratio) = active, normal operation; flashing 2 (7:1 ratio) = active, simulation LED 3: (status fieldbus): flashing = fieldbus receive channel active LED 4: (status fieldbus): flashing = fieldbus response channel active LED 5: (status service bus): flashing = service bus receive channel active LED 6: (status service bus): flashing = service bus response channel active

Directive conformity

Electromagnetic compatibility: Directive 2014/30/EU

EN 61326-1

Conformity

Degree of protection	IEC 60529
Fieldbus standard	IEEE 802.3
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 (module) , mounted on backplane
Connection	via backplane
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 IIC T4 Gc
Directive conformity: Directive 2014/34/EU	EN IEC 60079-0:2018+AC:2020 , EN 60079-15:2010

International approvals

ATEX approval	PF 08 CERT 1234 X
UL approval	E106378
IECEx approval: IECEx certificate	IECEx BVS 09.0037X
IECEx approval: IECEx marking	Ex nA 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, Zone 22 or Div. 2) 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

3-D model (STEP) LB8111A2*STP · 2.1 MB

Certificates (6)

LB8111A2-0756: frequently asked questions

When can LB8111A2-0756 be shipped?

LB8111A2-0756 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 LB8111A2-0756 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 LB8111A2-0756 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 LB8111A2-0756, subject to availability and destination.