Select Your Country

Go to global website

  1. en
  2. Products
  3. Hazardous Area Products and Solutions
  4. Remote I/O Systems
  5. LB (Zone 2, Class I/Div. 2)
  6. LB1108A

LB1108A Digital Input

Key Benefits at a Glance

  • 8-channel
  • Inputs Ex ia
  • Mounting in Zone 2, Class I/Div.2 or in the safe area
  • Dry contact or NAMUR inputs
  • Positive or negative logic selectable
  • Simulation mode for service operations (forcing)
  • Line fault detection (LFD)
  • Permanently self-monitoring
  • Module can be exchanged under voltage

Show more

Please contact us for exact delivery estimation.1,245.00 AUD Net price—your individual price will be shown during checkout process.
Product photo: Digital Input LB1108A
Product photo: Digital Input LB1108A
Approval
Product Compliance: Europe – CE
Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

EN
  • DE
  • EN
DatasheetFunctionClassificationInformative LiteratureProduct DocumentationDesign / SimulationApprovals

Technical data of LB1108A

Occupied slots2
Connectionbackplane bus
Rated voltageUr12 V DC , only in connection with the power supplies LB9***
Power dissipation0.95 W
Power consumption0.95 W
Connectionbackplane bus
Interfacemanufacturer-specific bus to standard com unit
Number of channels8
Sensor interface
ConnectionNAMUR sensor
Connection [2]volt-free contact
Connectionchannel I: 1+, 2-; channel II: 3+, 4-; channel III: 5+, 6-; channel IV: 7+, 8-; channel V: 9+, 10-; channel VI: 11+, 12-; channel VII: 13+, 14-; channel VIII: 15+, 16-
Rated valuesacc. to EN 60947-5-6 (NAMUR)
Switching point/switching hysteresis1.2 ... 2.1 mA / ± 0.2 mA
Voltage8.2 V
Internal resistorRi1 kΩ
Line fault detectioncan be switched on/off for each channel via configuration tool
Connectionmechanical switch with additional resistors (see connection diagram) proximity sensors without additional wiring
Short-circuit< 360 Ω
Open-circuit< 0.35 mA
Minimum pulse duration1 ms
LED indicationPower LED (P) green: supply
Status LED (I) red: line fault
Codingoptional mechanical coding via front socket
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013
Electromagnetic compatibilityNE 21
Degree of protectionIEC 60529
Environmental testEN 60068-2-14
Shock resistanceEN 60068-2-27
Vibration resistanceEN 60068-2-6
Damaging gasEN 60068-2-42
Relative humidityEN 60068-2-78
Ambient temperature-40 ... 60 °C (-40 ... 140 °F)
Storage temperature-40 ... 85 °C (-40 ... 185 °F)
Relative humidity95 % non-condensing
Altitudemax. 2000 m
Shock resistanceshock type I, shock duration 11 ms, shock amplitude 15 g, number of shocks 18
Vibration resistancefrequency 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 gasdesigned for operation in environmental conditions acc. to ISA-S71.04-1985, severity level G3
Degree of protectionIP20 when mounted on backplane
Connectionremovable front connector with screw flange (accessory)
wiring connection via spring terminals (0.14 ... 1.5 mm2) or screw terminals (0.08 ... 1.5 mm2)
Massapprox. 130 g
Dimensions32.5 x 100 x 102 mm (1.28 x 3.9 x 4 inch)
EU-type examination certificatePTB 03 ATEX 2042 X
MarkingEx-Hexagon II (1)G [Ex ia Ga] IIC
[exsign] II (1)D [Ex ia Da] IIIC
[exsign] I (M1) [Ex ia Ma] I
Input
VoltageUo14.9 V
CurrentIo15.7 mA
PowerPo58.2 mW (linear characteristic)
CertificatePF 08 CERT 1234 X
MarkingEx-Hexagon II 3 G Ex nA IIC T4 Gc
Galvanic isolation
Input/power supply, internal bussafe electrical isolation acc. to EN 60079-11, voltage peak value 375 V
Directive conformity
Directive 2014/34/EUEN IEC 60079-0:2018+AC:2020
EN 60079-11:2012
EN 60079-15:2010
ATEX approvalPTB 03 ATEX 2042 X
UL approvalE106378
IECEx approval
IECEx certificateIECEx BVS 09.0037X
IECEx markingEx nA [ia Ga] IIC T4 Gc
[Ex ia Da] IIIC
[Ex ia Ma] I
System informationThe 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 informationEC-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.
General Notes
Ask an expert