Pepperl+Fuchs HD2-DM-A.RO Fieldbus Power Hub, Advanced Diagnostic Module with Relay Output

Pepperl+Fuchs HD2-DM-A.RO
Item Number: HD2-DM-A.RO
  • Diagnostics for fieldbus physical layer and power supply
  • Plug-in Module for the FieldConnex Power Hub
  • Plug and play - no engineering required
  • For online monitoring
  • For FOUNDATION Fieldbus H1 and PROFIBUS PA
  • Installation in Zone 2/Class I, Div. 2
  • System state and fault indication via LEDs
  • Alarm limits configurable via DIP switches
  • Fault indication transmission by voltage free contact
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  • Overview
  • Datasheet
  • Alternative numbers
  • PDF
  • Comments
Vibration resistance1 g , 10 ... 150 Hz
Ambient temperature-40 ... 70 В°C (-40 ... 158 В°F)
Degree of protectionIEC 60529
Shock resistance15 g 11 ms
Fieldbus typeFOUNDATION Fieldbus/PROFIBUS PA
Housing width18 mm
Marine approvalDNV A-14038
Shock resistanceEN 60068-2-27
Connection typemotherboard specific
Vibration resistanceEN 60068-2-6
LED PRI PWRgreen: on, primary bulk power supply connected
Rated current40 ... 25 mA
Design / MountingMotherboard based
Corrosion resistanceacc. to ISA-S71.04-1985, severity level G3
Number of segments4
Electromagnetic compatibilityNE 21:2011
CertificateTГњV 04 ATEX 2500 X
Mountingmotherboard mounting
LED Seg 1...4yellow: bus activity; yellow 2 Hz flashing: Maintenance required; red 2 Hz flashing: specification limit violated; red: hardware error
LED SEC PWRgreen: on, secondary bulk power supply connected
Rated voltage19.2 ... 35 V
Storage temperature-40 ... 85 В°C (-40 ... 185 В°F)
PatentsThis product may be covered by the following patent: US7,698,103
Fault signalVFC alarm 1 A, 50 V DC, normally closed
Fieldbus segment/Fieldbus segmentfunctional insulation acc. to IEC 62103, rated insulation voltage 50 Veff
Degree of protectionIP20
Core cross-sectionmotherboard specific
Massapprox. 100 g
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see
Rated voltage9 ... 32 V
Relative humidity< 95 % non-condensing
Pollution degreemax. 2, according to IEC 60664
Power dissipationmax. 1 W
Housing materialPolycarbonate
Housing height106 mm
Housing depth128 mm
DIP switchfieldbus type , redundant supply , Signal level , Noise level , Jitter


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