Pepperl Fuchs LB8111A2*
Request a Quote
Quick facts
| Availability | Confirmed on request |
| Category | LB (Zone 2, Class I/Div. 2) |
| Lifecycle | active |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
When can LB8111A2* be shipped?
LB8111A2* 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* 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* 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*, subject to availability and destination.
Com Unit for MODBUS TCP. 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. Connection: backplane bus. Rated voltage: 5 V DC , only in connection with the power supplies LB9***. Power consumption: 2.5 W. Fieldbus type: MODBUS TCP. 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. Connection: backplane bus. Redundancy: via backplane. Connection: 9-pole to RS 485 standard , Sub-D. Number of stations per bus line: 31 (RS-485 standard). LED indication: LED P: (power supply): On = operating, fast flash = cold start LED 1: (collective alarm): On = internal fault, flashing = no MODBUS TCP connection LED 2: (status fieldbus): On = Network link OK LED 3: (status service bus): flashing = service bus receive channel active LED 4: (operating mode): flashing 1 (1:1 ratio) = active, normal operation; flashing 2 (7:1 ratio) = active, simulation LED 5: (status fieldbus): flashing = MODBUS response channel active LED 6: (status service bus): flashing = service bus response channel active. Electromagnetic compatibility: . Directive 2014/30/EUEN 61326-1: . Directive 2014/30/EU: EN 61326-1. 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 60068-2-56. Ambient temperature: -20 ... 60 °C (-4 ... 140 °F). Storage temperature: -25 ... 85 °C (-13 ... 185 °F). Relative humidity: 95 % non-condensing. 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 cyclesfrequency 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. Degree of protection: IP20 (module) , mounted on backplane. Connection: via backplane. Mass: approx. 150 g. Dimensions: 32.5 x 100 x 102 mm (1.28 x 3.9 x 4 inch). Certificate: PF 08 CERT 1234 X. Marking II 3 G Ex nA IIC T4 Gc: . Marking: II 3 G Ex nA IIC T4 Gc. Directive conformity: . Directive 2014/34/EUEN 60079-0:2009 EN 60079-11:2007 EN 60079-15:2010: . Directive 2014/34/EU: EN 60079-0:2009 EN 60079-11:2007 EN 60079-15:2010. ATEX approval: PF 08 CERT 1234 X. UL approval: E106378. Control drawing116-0321Approved forcUL (Canada): CL I Zn. 2 IIC; IS circuits for CL I Zn. 0 IIC ULus (USA): CL I Div. 2 Grp. A, B, C, D; IS circuits for CL I, II, III Div. 1 Grp. A, B, C, D, E, F, G: . Control drawing: 116-0321. Approved for: cUL (Canada): CL I Zn. 2 IIC; IS circuits for CL I Zn. 0 IIC ULus (USA): CL I Div. 2 Grp. A, B, C, D; IS circuits for CL I, II, III Div. 1 Grp. A, B, C, D, E, F, G. IECEx approval: BVS 09.0037X. Approved forEx nA IIC T4 Gc: . Approved for: Ex nA IIC T4 Gc. EAC approval: Russia: RU C-IT.MIII06.B.00129. Marine approval: . Lloyd Register15/20021DNV GL MarineTAA0000034American Bureau of ShippingT1450280/UNBureau Veritas Marine22449/B0 BV: . Lloyd Register: 15/20021. DNV GL Marine: TAA0000034. American Bureau of Shipping: T1450280/UN. Bureau Veritas Marine: 22449/B0 BV. 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.
Specifications
Supply
| Connection | backplane bus |
| Rated voltage | 5 V DC , only in connection with the power supplies LB9*** Ur |
| Power consumption | 2.5 W |
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 MODBUS TCP connection LED 2: (status fieldbus): On = Network link OK LED 3: (status service bus): flashing = service bus receive channel active LED 4: (operating mode): flashing 1 (1:1 ratio) = active, normal operation; flashing 2 (7:1 ratio) = active, simulation LED 5: (status fieldbus): flashing = MODBUS response channel active LED 6: (status service bus): flashing = service bus response channel active |
Directive conformity
| Electromagnetic compatibility | |
| Directive 2014/30/EUEN 61326-1 | Directive 2014/30/EU |
| 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 60068-2-56 |
Ambient conditions
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) |
| Storage temperature | -25 ... 85 °C (-13 ... 185 °F) |
| Relative humidity | 95 % non-condensing |
| 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 cyclesfrequency 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 | 32.5 x 100 x 102 mm (1.28 x 3.9 x 4 inch) |
Data for application in connection with hazardous areas
| Certificate | PF 08 CERT 1234 X |
| Marking II 3 G Ex nA IIC T4 Gc | Marking |
| Marking | II 3 G Ex nA IIC T4 Gc |
| Directive conformity | |
| Directive 2014/34/EUEN 60079-0:2009 EN 60079-11:2007 EN 60079-15:2010 | Directive 2014/34/EU |
| Directive 2014/34/EU | EN 60079-0:2009 EN 60079-11:2007 EN 60079-15:2010 |
International approvals
| ATEX approval | PF 08 CERT 1234 X |
| UL approval | E106378 |
| Control drawing116-0321Approved forcUL (Canada): CL I Zn. 2 IIC; IS circuits for CL I Zn. 0 IIC ULus (USA): CL I Div. 2 Grp. A, B, C, D; IS circuits for CL I, II, III Div. 1 Grp. A, B, C, D, E, F, G | Control drawing |
| Control drawing | 116-0321 |
| Approved for | cUL (Canada): CL I Zn. 2 IIC; IS circuits for CL I Zn. 0 IIC ULus (USA): CL I Div. 2 Grp. A, B, C, D; IS circuits for CL I, II, III Div. 1 Grp. A, B, C, D, E, F, G |
| IECEx approval | BVS 09.0037X |
| Approved forEx nA IIC T4 Gc | Approved for |
| Approved for | Ex nA IIC T4 Gc |
| EAC approval | Russia: RU C-IT.MIII06.B.00129 |
| Marine approval | |
| Lloyd Register15/20021DNV GL MarineTAA0000034American Bureau of ShippingT1450280/UNBureau Veritas Marine22449/B0 BV | Lloyd Register |
| Lloyd Register | 15/20021 |
| DNV GL Marine | TAA0000034 |
| American Bureau of Shipping | T1450280/UN |
| Bureau Veritas Marine | 22449/B0 BV |
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. |
More Pepperl Fuchs parts
NewPepperl + Fuchs KFD2-GUT-EX1.D New open box
Available on requestPepperl Fuchs V19-W-BK15M-PUR-U-V19-G
Available on requestPepperl Fuchs V1SD-G-GN65M-PUR-E1S-V45-G

