Pepperl Fuchs Fieldbus Barrier R4D0-FB-IA12.0 Supports plug-in
surge protectors
8 ... 12 outputs Ex ia IIC, FISCO and Entity
Advanced fault isolation and diagnostics at the spur
FieldBarrier in Zone 1/Div. 2
Instruments in Zone 0...1/Div. 1
For FOUNDATION Fieldbus H1 and PROFIBUS PA
Supports plug-in surge protectors
Very compact, small footprint
Designed for high reliability
General specifications
Fieldbus barrier, module for DIN rail mounting
General specifications
Design / Mounting Cabinet installation
Installation in hazardous area Zone 1 / Div. 2
Fieldbus connection
Power dissipation see table 1
Main cable (Trunk)
Rated voltage 16 ... 32 V DC ,
min. 15 V in case of brown out
Rated current trunk IN to trunk OUT max. 2 A see table 1
Cable shield grounding option Capacitive via 5.7 nF
Direct
Voltage drop trunk IN to trunk OUT 100 mV max.
Number of couplers max. 3 per segment
Reverse polarity protection Built-In
Outputs
Number of outputs 8, 10 or 12
Number of devices per output 1
Cable length 120 m
Rated voltage 10 ... 14 V
Rated current max. 43 mA at one spur ,
max. 320 mA total current at all spurs
Short-circuit current 53 mA , 1 mA in fallback state
Cable shield grounding option Capacitive via 4.4 nF
Surge protection Trunk overvoltage protection if voltage exceeds
typ. 39 V, max. 41 V
Diagnostic and Protection Features
Fault Isolation Short Circuit Current Limitation at spurs
Bounce Protection at spurs
Signal inhibit at spurs
Physical Layer Diagnostic Signal level at spurs
Signal jitter at spurs
Noise level at spurs
Indicators/operating means
Switch S1 ON: diagnostic alarms activated
S2 ON: diagnostic warnings activated
S3-S8: not used
LED PWR green: Fieldbus voltage > 16 V
LED COM/ERR yellow flashing: fieldbus communication and physical
layer status ,
red: Hardware error
LED SPURS red: 2 Hz flashing in short-circuit condition
Galvanic isolation
Main wire/outputs isolation is not affected by interference
according to EN 60079-11, voltage peak value 375 V
Output/Output No Isolation
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EU EN 61326-1:2013
Standard conformity
Electromagnetic compatibility NE 21:2011
Degree of protection IEC/EN 60529
Fieldbus standard IEC 61158-2
Climatic conditions IEC 60721
Shock resistance EN 60068-2-27
Vibration resistance EN 60068-2-6
Ambient conditions
Ambient temperature -40 ... 70 °C (-40 ... 158 °F)
Storage temperature -40 ... 85 °C (-40 ... 185 °F)
Relative humidity < 95 % non-condensing
Shock resistance 15 g 11 ms
Vibration resistance 1 g , 10 ... 150 Hz
Corrosion resistance acc. to ISA-S71.04-1985, severity level G3
Mechanical specifications
Connection type screw terminal , pluggable or spring terminal ,
pluggable
Core cross section see table 2
Housing material Polycarbonate
Degree of protection IP20
Mass 2100 g
Dimensions see dimensions
Mounting DIN rail mounting
Data for application in connection with hazardous areas
EU-type examination certificate BVS 13 ATEX E 121 X
Marking Ex-Hexagon II 2(1)G Ex eb ib mb [ia Ga] IIC T4 Gb
Ex-Hexagon II (1)D [Ex ia Da] IIIC
Ex-Hexagon I (M1) [Ex ia Ma] I
Main cable (Trunk)
Maximum safe voltage Um 253 V AC
Outputs in accordance to FISCO and Entity
Power 1.063 W
Voltage 17.1 V
Current 248.55 mA
Inductance gas group IIC 470 µH ,
gas group IIB 2 mH
Capacitance gas group IIC 367 nF ,
gas group IIB 2.15 µF
Directive conformity
Directive 2014/34/EU EN IEC 60079-0:2018+AC:2020 , EN
60079-7:2015+A1:2018 , EN 60079-11:2012 , EN 60079-18:2015
International approvals
CSA approval CSA 14.70004139
Control drawing 116-0400
Approved for Class I, Division 2, Groups A, B, C, D T4
Class I, Zone 1, AEx/Ex e ib mb [ia Ga] IIC T4 Gb
Class I, Zone 1, AEx/Ex e ib mb [ia IIC Da] IIC T4 Gb
Associated equipment for Class I, Division 1 Groups A, B, C, D
Associated equipment for Class II, Division 1 Groups E, F, G
Associated equipment for Class III, Division 1
IECEx approval IECEx BVS 13.0119X
Approved for Ex eb ib mb [ia Ga] IIC T4 Gb
[Ex ia Da] IIIC
[Ex ia Ma] I
