Pepperl+Fuchs LB3103A2 HART Transmitter Power Supply, Input Isolator

Pepperl+Fuchs LB3103A2
Item Number: LB3103A2
  • 1-channel
  • Input Ex ia
  • Mounting in Zone 2, Class I/Div.2 or in the safe area
  • Power supply for 2- or 3-wire transmitters with 4 mA ... 20 mA
  • Supply circuit 15 V (20 mA)
  • Input from active signals of 4-wire transmitters
  • HART communication via field bus or service bus
  • HART communication also for separately powered devices
  • Simulation mode for service operations (forcing)
  • Line fault detection (LFD) and Live Zero monitoring
  • Permanently self-monitoring
  • Module can be exchanged under voltage
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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)
Vibration resistanceEN 60068-2-6:2008
HART communicationyes
Shock resistanceEN 60068-2-27:2009
Power dissipation0.75 W
Rated voltage12 V DC , only in connection with the power supplies LB9***
Line fault detectioncan be switched on/off for each channel via configuration tool , configurable via configuration tool
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
Massapprox. 90 g
Environmental testEN 60068-2-14:2009
HART secondary variableno
ATEX approvalBVS 12 ATEX E 100X
Electromagnetic compatibilityNE 21:2007
Damaging gasEN 60068-2-42:2003
Occupied slots1
Refresh time100 ms
Degree of protectionIEC 60529:2000
Storage temperature-25 ... 85 В°C (-13 ... 185 В°F)
EU-Type Examination CertificateBVS 12 ATEX E 100 X
UL approvalE106378
Connectionbackplane bus
Connection2-wire transmitter (HART):
supply circuit: 2/3+, 4/5-
3-wire transmitter (HART):
supply circuit: 2/3+, 6-
measuring circuit: 4/5+, 6-
4-wire transmitter (separately powered):
measuring circuit: 4/5+, 6-
HART measuring circuit: 1+, 6-
IECEx approvalBVS 13.0043X
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.
Transmitter supply voltagemin. 15 V at 20 mA ; 21.5 V at 4 mA
Codingoptional mechanical coding via front socket
Ambient temperature-20 ... 60 В°C (-4 ... 140 В°F)
Shock resistanceshock type I, shock duration 11 ms, shock amplitude 15 g, number of shocks 18
Interfacemanufacturer-specific bus to standard com unit
Number of channels1
Degree of protectionIP20 when mounted on backplane
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)
Status LED (2) yellow: Live Zero monitoring
Dimensions16 x 100 x 102 mm (0.63 x 3.9 x 4 inch)
Relative humidity95 % non-condensing
Input resistance15 Ω (terminals 5, 6)

236 Ω (terminals 1, 6) HART
Power consumption1.1 W
Resolution12 Bit (0 ... 26 mA)
Damaging gasdesigned for operation in environmental conditions acc. to ISA-S71.04-1985, severity level G3
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
Connectionbackplane bus
Relative humidityEN 60068-2-78:2001


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