
Pepperl Fuchs LB7104A
Universal Input/Output (HART)
- MPN
- LB7104A
- Category
- LB (Zone 2, Class I/Div. 2)
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What is the Pepperl Fuchs LB7104A?
4-channel
Inputs Ex ia, Outputs Ex ia
Analog input, digital input, analog output, digital output
Mounting in Zone 2, Class I/Div.2 or in the safe area
Supply circuit 15 V (20 mA)
HART communication via field bus or service bus
Simulation mode for service operations (forcing)
Line fault detection (LFD): one LED per channel
Permanently self-monitoring
4-channel, Inputs Ex ia, Outputs Ex ia, Analog input, digital input,, analog output, digital output, Mounting in Zone 2, Class I/Div.2 or in the safe area
Specifications
Slots
| Order code (Pepperl+Fuchs part number) | 254847 |
| 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 | 2 W |
| Power consumption | 3 W |
Internal bus
| Connection | backplane bus |
| Interface | manufacturer-specific bus to standard com unit |
Analog input
| Number of channels | 4 |
| Suitable field devices: Field device | pressure converter |
| Suitable field devices: Field device [2] | flow converter |
| Suitable field devices: Field device [3] | level converter |
| Suitable field devices: Field device [4] | Temperature Converter |
| Field device interface: Connection | 2-wire transmitter |
| Connection | terminals 1+, 2-; 3+, 4-; 5+, 6-; 7+, 8- |
| Transmitter supply voltage | min. 15 V at 20 mA ; 21.5 V at 4 mA |
| Input resistance | 15 Ω |
| Line fault detection | can be switched on/off for each channel via configuration tool , configurable via configuration tool |
| Short-circuit | factory setting: > 21 mA Can be parameterized in the range 0 ... 22 mA |
| Open-circuit | factory setting: < 3.6 mA Can be parameterized in the range 0 ... 22 mA |
| HART communication | yes |
| HART secondary variable | yes |
Analog output
| Number of channels | 4 |
| 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 | terminals 1+, 2-; 3+, 4-; 5+, 6-; 7+, 8- |
| Current | 0 ... 20 mA short-circuit protected |
| Line fault detection | can be switched on/off for each channel via configuration tool , configurable via configuration tool |
| Short-circuit | factory setting: < 50 Ω configurable between 0 ... 26 mA |
| Open-circuit | deviation of preset output value > 0.5 mA |
| Load | max. 750 Ω at 20 mA |
| HART communication | yes |
| HART secondary variable | yes |
| Watchdog | output off 0.5 s after serious fault |
Digital input
| Number of channels | 4 |
| Sensor interface: Connection [2] | volt-free contact |
| Connection | terminals 1+, 2-; 3+, 4-; 5+, 6-; 7+, 8- |
| Line fault detection | can be switched on/off for each channel via configuration tool |
| Connection | mechanical switch with additional resistors (see connection diagram) |
| Short-circuit | > 7 mA |
| Open-circuit | < 0.1 mA |
| Digital signals (active): Switching point: ON | > 2.1 mA |
| Digital signals (active): Switching point: OFF | < 1.2 mA |
Digital output
| Number of channels | 4 |
| Suitable field devices: Field device | Solenoid Valve |
| Suitable field devices: Field device [2] | audible alarm |
| Suitable field devices: Field device [3] | visual alarm |
| Connection | terminals 1+, 2-, 3+, 4-, 5+, 6-, 7+, 8- |
| Drive capability | 12 V / 22 mA |
| Internal resistor | 385 Ω Ri |
| Current limit | 22 mA Imax |
| Open loop voltage | min. 22.7 V Us |
| Line fault detection | can be switched on/off for each channel via configuration tool |
| Test current | 0.4 mA |
| Short-circuit | < 50 Ω |
| Open-circuit | < 0.2 mA |
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 | approx. 100 ms (4 channels) |
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 (1-4) red: line fault (lead breakage or short circuit) , yellow: state of digital I/O (0/1) Configuration LED (AI, AO, DI, DO) white: selected channel mode |
| 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) |
| 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. 100 g |
| Dimensions: Height | 100 mm |
| Dimensions: Width | 16 mm |
| Dimensions: Depth | 102 mm |
Data for application in connection with hazardous areas
| EU-type examination certificate | BVS 11 ATEX E 116 X |
| Marking | II 3(1) G Ex nA [ia Ga] IIC T4 Gc[exsign] I (M1) [Ex ia Ma] I[exsign] II (1) D [Ex ia Da] IIIC |
| Input: Voltage | 27 V Uo |
| Input: Current | 87 mA Io |
| Input: Power | 575 mW (linear characteristic) Po |
| Output | Ex ia |
| Voltage | 27 V Uo |
| Current | 87 mA Io |
| Power | 575 mW (linear characteristic) Po |
| Internal capacitance | 12 nF Ci |
| Internal inductance | 0 mH Li |
| Galvanic isolation: Rated voltage | 250 V field circuits to control and supply circuits Um |
| Galvanic isolation: Input/power supply, internal bus | safe electrical isolation acc. to EN 60079-11, voltage peak value 375 V |
| 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 11 ATEX E 116X |
| UL approval | E106378 |
| IECEx approval: IECEx certificate | IECEx BVS 11.0068X |
| IECEx approval: IECEx marking | Ex nA [ia Ga] IIC T4 Gc [Ex ia Da] IIIC [Ex ia Ma] I |
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
Certificates (8)
- China SITIIAS CCC Ex Certificate (2021322310003617 (Singapore))
- DNV Marine (TAA0000034)
- EU Declaration of Conformity (Pepperl+Fuchs)
- South Africa MASC (MASC MS/20-8436X)
- Brasil TUV Rheinland Brazil (TÜV 23.1280 X)
- Canada, USA USA UL Certificate of Compliance cULus (20161110-E106378)
- Europe DEKRA EXAM ATEX Category see certificate (BVS 11 ATEX E 116 X)
- United Kingdom CML UK-Type Examination Certificate UKEX Category (1) D UKEX Category (M1) UKEX Category 3 (1) G (CML 21UKEX2659X)
LB7104A: frequently asked questions
When can LB7104A be shipped?
LB7104A 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 LB7104A 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 LB7104A 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 LB7104A, subject to availability and destination.
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