Pepperl+Fuchs LB4101A2 Output Isolator

Pepperl+Fuchs LB4101A2
Item Number: LB4101A2
  • 1-channel
  • Output Ex ia
  • Mounting in Zone 2, Class I/Div.2 or in the safe area
  • Analog output module for 0/4 mA ... 20 mA
  • Simulation mode for service operations (forcing)
  • Line fault detection (LFD)
  • Permanently self-monitoring
  • Module can be exchanged under voltage
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Line fault detectioncan be switched on/off for each channel via configuration tool , configurable via configuration tool
Relative humidityEN 60068-2-78:2001
HART communicationno
Interfacemanufacturer-specific bus to standard com unit
Vibration resistanceEN 60068-2-6:2008
IECEx approvalBVS 11.0068X
Electromagnetic compatibilityNE 21:2007
EU-type examination certificateBVS 11 ATEX E 116 X
Occupied slots1
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.
Degree of protectionIP20 when mounted on backplane
Massapprox. 90 g
Relative humidity95 % non-condensing
HART secondary variableno
LED indicationPower 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)
Watchdogwithin 0.5 s the device goes in safe state, e.g. after loss of communication
Number of channels1
Refresh time100 ms
Codingoptional mechanical coding via front socket
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)
Degree of protectionIEC 60529:2000
ATEX approvalBVS 11 ATEX E 116X
Loadmax. 750 Ω at 20 mA
Storage temperature-25 ... 85 В°C (-13 ... 185 В°F)
Current0 ... 20 mA short-circuit protected
Connectionbackplane bus
Damaging gasdesigned for operation in environmental conditions acc. to ISA-S71.04-1985, severity level G3
Shock resistanceshock type I, shock duration 11 ms, shock amplitude 15 g, number of shocks 18
Damaging gasEN 60068-2-42:2003
UL approvalE106378
Vibration resistancefrequency range 10 ... 150 Hz; transition frequency: 57.56 Hz, amplitude/acceleration В± 0.075 mm/1 g; 10 cycles
frequency range 5 ... 100 Hz; transition frequency: 13.2 Hz amplitude/acceleration В± 1 mm/0.7 g; 90 minutes at each resonance
Power dissipation0.8 W
Shock resistanceEN 60068-2-27:2009
Power consumption0.95 W
Ambient temperature-20 ... 60 В°C (-4 ... 140 В°F)
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
Environmental testEN 60068-2-14:2009
Dimensions16 x 100 x 102 mm (0.63 x 3.9 x 4 inch)
Connectionbackplane bus
Rated voltage12 V DC , only in connection with the power supplies LB9***
Connectionchannel I: 2/3+, 4/5-


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