
Pepperl Fuchs FB1203B3
Frequency / Counter Input
- MPN
- FB1203B3
- Category
- FB (Zone 1)
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What is the Pepperl Fuchs FB1203B3?
1-channel
Input Ex ia
Installation in suitable enclosures in Zone 1
Module can be exchanged under voltage (hot swap)
Input for frequency, counter, direction of rotation
Digital input max. 15 kHz
Positive or negative logic selectable
Simulation mode for service operations (forcing)
Line fault detection (LFD)
Permanently self-monitoring
1-channel, Input Ex ia, Installation in suitable enclosures in Zone 1, Module can be exchanged under voltage (hot swap), Explosion protection: Ex ia, Function: Counter , Function [2]: frequency, Function [3]: direction of rotation, Connection: NAMUR sensor, Connection [2]: volt-free contact
Specifications
Slots
| Order code (Pepperl+Fuchs part number) | 276062 |
| Occupied slots | 1 |
| 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 | 0.65 W |
| Power consumption | 0.65 W |
Internal bus
| Connection | backplane bus |
| Interface | manufacturer-specific bus to standard com unit |
Digital input
| Number of channels | 1 |
| Function: Function | Counter |
| Function: Function [2] | frequency |
| Function: Function [3] | direction of rotation |
| Sensor interface: Connection | NAMUR sensor |
| Sensor interface: Connection [2] | volt-free contact |
| Connection | channel I: 1+, 2/3-; direction: 4+, 5/6- |
| Rated values | acc. to EN 60947-5-6 (NAMUR) |
| Switching point/switching hysteresis | 1.2 ... 2.1 mA / ± 0.2 mA |
| Internal resistor | 1 kΩ Ri |
| Line fault detection | can be switched on/off for each channel via configuration tool |
| Connection | mechanical switch with additional resistors (see connection diagram) proximity sensors without additional wiring |
| Short-circuit | < 360 Ω |
| Open-circuit | < 0.35 mA |
| Minimum pulse duration | 20 ms |
| Operating frequency | 0 ... 15 kHz ; in frequency + counter mode ... 40 Hz |
Indicators/settings
| LED indication | LED green: supply LED red: line fault |
| 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. 420 g |
| Dimensions: Height | 107 mm |
| Dimensions: Width | 28 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 | 10.5 V Uo |
| Input: Current | 23.34 mA Io |
| Input: Power | 61.27 mW (linear characteristic) Po |
| 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 PRE 19.0013U |
| Approved for | 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)
- China SITIIAS CCC Ex Certificate (2021322310004115 (Mannheim))
- EU Declaration of Conformity (Pepperl+Fuchs)
- DNV Marine (TAA0000034)
- Brasil TUV Rheinland Brazil (TÜV 19.0480 U)
- United Kingdom CML UK-Type Examination Certificate UKEX Category (1) D UKEX Category (1) G UKEX Category (M1) (CML 23UKEX2147U)
- Europe Presafe DNV GL ATEX I (M1) II (1) D II 2(1)G (Presafe 19 ATEX 14058U)
FB1203B3: frequently asked questions
When can FB1203B3 be shipped?
FB1203B3 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 FB1203B3 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 FB1203B3 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 FB1203B3, subject to availability and destination.
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