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Pepperl Fuchs FB5205B3

Thermocouple Converter

MPN: FB5205B3
Category: FB (Zone 1)

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What is the Pepperl Fuchs FB5205B3?

4-channel

Inputs Ex ia

Installation in suitable enclosures in Zone 1

Module can be exchanged under voltage (hot swap)

Converter for thermocouples and mV-signals

Simulation mode for service operations (forcing)

Line fault detection (LFD)

Permanently self-monitoring

4-channel, Inputs Ex ia, Installation in suitable enclosures in Zone 1, Module can be exchanged under voltage (hot swap), Explosion protection: Ex ia, Field device [2]: Thermocouple, Field device [4]: mV source

Specifications

Slots

Order code (Pepperl+Fuchs part number)	276332
Occupied slots	2
Lifecycle	Active (current Pepperl+Fuchs product)

Supply

Connection	backplane bus
Rated voltage	12 V DC , only in connection with the power supplies FB92** Ur
Power dissipation	0.75 W
Power consumption	0.75 W

Internal bus

Connection	backplane bus
Interface	manufacturer-specific bus to standard com unit

temperature input

Number of channels	4
Suitable field devices: Field device [2]	Thermocouple
Suitable field devices: Field device [4]	mV source
Suitable sensors: Sensor	thermocouples U, B, E, T, K, S, R, L, J, N, Pallaplat and mV sources
Connection	channel I: 1+, 2-; channel II: 5+, 6-; channel III: 9+, 10-; channel IV: 13+, 14-
Measuring range	-65 ... 75 mV with LFD , -75 ... 75 mV without LFD
Smallest span	5 mV for 0.1 % accuracy
Linearity error	0.1 %
Conversion time	max. 300 ms (4 channels) without LFD max. 600 ms (4-channel) with LFD
Compensation (reference junction CJC)	internal cold junction compensation or external cold junction
Line fault detection	can be switched on/off for each channel via configuration tool ,
Open-circuit	> 1 kΩ

Transfer characteristics

Deviation: Influence of ambient temperature

max. 0,1 %/10 K

Indicators/settings

LED indication	LED green: supply LED red: line fault, collective alarm , flashing: communication error
Coding	optional mechanical coding via front socket

Directive conformity

Electromagnetic compatibility: Directive 2014/30/EU

EN 61326-1:2013

Conformity

Electromagnetic compatibility	NE 21
Degree of protection	IEC 60529
Environmental test	EN 60068-2-14
Shock resistance	EN 60068-2-27
Vibration resistance	EN 60068-2-6
Damaging gas	EN 60068-2-42
Relative humidity	EN 60068-2-78

Ambient conditions

Ambient temperature	-40 ... 60 °C (-40 ... 140 °F)
Storage temperature	-40 ... 85 °C (-40 ... 185 °F)
Relative humidity	95 % non-condensing
Shock resistance	shock type I, shock duration 11 ms, shock amplitude 15 g, number of shocks 18
Vibration resistance	frequency 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 gas	designed for operation in environmental conditions acc. to ISA-S71.04-1985, severity level G3

Mechanical specifications

Degree of protection	IP20 (module) , a separate housing is required acc. to the system description
Connection	removable front connector with screw flange (accessory) wiring connection via spring terminals (0.14 ... 1.5 mm2) or screw terminals (0.08 ... 1.5 mm2)
Mass	approx. 955 g
Dimensions: Height	107 mm
Dimensions: Width	57 mm
Dimensions: Depth	132 mm

Data for application in connection with hazardous areas

EU-type examination certificate	Presafe 19 ATEX 14058U
Marking	II 2(1)G Ex db eb q [ia Ga] IIC Gb II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I
Input: Voltage	1 V Uo
Input: Current	71 mA Io
Input: Power	62 mW (trapezoid characteristic curve) Po
Galvanic isolation: Input/input	functional insulation acc. to IEC 60664-1:2007, rated insulation voltage 50 V, testing voltage 500 V
Galvanic isolation: Input/power supply, internal bus	safe electrical isolation acc. to EN 60079-11, voltage peak value 375 V
Directive conformity: Directive 2014/34/EU	EN IEC 60079-0:2018+AC:2020 EN 60079-1:2014 EN 60079-5:2015 EN 60079-7:2015+A1:2018 EN 60079-11:2012

International approvals

ATEX approval	Presafe 19 ATEX 14058U
IECEx approval: IECEx certificate	IECEx PRE 19.0013U
IECEx approval: IECEx marking	Ex db eb q [ia Ga] IIC Gb [Ex ia Da] IIIC [Ex ia Ma] I

General information

System information	The module has to be mounted in appropriate backplanes and housings (FB92**) in Zone 1, 2, 21, 22 or outside hazardous areas (gas or dust). Here, observe the corresponding EC-type examination certificate.
Supplementary information	EC-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.

Downloads & documentation

Official documents from Pepperl Fuchs, downloaded directly from the manufacturer.

Data sheets & manuals

CAD & dimension drawings

Certificates (6)

FB5205B3: frequently asked questions

When can FB5205B3 be shipped?

FB5205B3 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up FB5205B3 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for FB5205B3 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for FB5205B3, subject to availability and destination.