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Pepperl+Fuchs 321426

Current Driver  Pepperl+Fuchs 321426
Manufacturer
Pepperl+Fuchs
Part number
321426
Country
Germany
Type
Current Driver
Weight (g)
116
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This isolated barrier is used for intrinsic safety applications. It repeats the input signal from a control system to drive HART I/P converters, valve actuators, and displays located in a hazardous area. Digital signals are superimposed on the analog values at the field side or control side and are transferred bi-directionally. An open field circuit presents a high impedance to the control side to allow alarm conditions to be monitored by the control system. This device mounts on a HiC termination board.
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Ways of payment

Specifications 321426

General specifications
Signal typeAnalog output
Functional safety related parameters
Safety Integrity Level (SIL)SIL 2
Supply
ConnectionSL1: 1a(-), 1b(-), 2a(+), 2b(+)
Rated voltage19 ... 30 V DC bus powered via Termination Board
Ripple&le, 10 %
Rated current&le, 30 mA at 24 V
Power dissipation&le, 600 mW at 20 mA and 500 &Omega, load
Power consumption&le, 700 mW
Input
Connection sidecontrol side
ConnectionSL1: 8a(+), 7a(-)
Input signal4 ... 20 mA , limited to approx. 26 mA
Input voltageopen loop voltage of the control system < 30 V
Voltage dropapprox. 6 V at 20 mA
Input resistance> 100 k&Omega,, with field wiring open
Output
Connection sidefield side
ConnectionSL2: 5a(+), 5b(-)
Voltage&ge, 13 V at 20 mA
Current4 ... 20 mA
Load0 ... 650 &Omega,
Ripple20 mV rms
Transfer characteristics
Deviationat 20 °C (68 °F), 4 ... 20 mA < 0.1 % of full scale, incl. non-linearity and hysteresis
Influence of ambient temperature< 2 µ,A/K (-20 ... 70 °C (-4 ... 158 °F))
Frequency rangefield side into the control side: bandwidth with 0.5 Vpp signal 0 ... 3 kHz (-3 dB) control side into the field side: bandwidth with 1 mApp signal 0 ... 3 kHz (-3 dB)
Rise time10 to 90 % &le, 10 ms
Galvanic isolation
Input/Outputsafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Input/power supplybasic insulation according to IEC/EN 61010-1, rated insulation voltage 60 Veff
Output/power supplysafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Indicators/settings
Display elementsLED
Labelingspace for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Conformity
Electromagnetic compatibilityNE 21:2012 EN 61326-3-2:2008 For further information see system description.
Degree of protectionIEC 60529:2001
Protection against electrical shockUL 61010-1:2012
Ambient conditions
Ambient temperature-20 ... 70 °C (-4 ... 158 °F)
Mechanical specifications
Degree of protectionIP20
Massapprox. 100 g
Dimensions12.5 x 128 x 106 mm (0.5 x 5.1 x 4.2 inch)
Mountingon Termination Board
Codingpin 1 and 3 trimmed For further information see system description.
Data for application in connection with hazardous areas
EU-type examination certificateCESI 06 ATEX 017
Marking II (1)G [Ex ia Ga] IIC II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I
OutputEx ia
Supply
Maximum safe voltage250 V AC (Attention! Um is no rated voltage.)
EquipmentSL2: 5a(+), 5b(-)
Voltage Uo25.2 V
Current Io100 mA
Power Po630 mW
Internal capacitance Ci5.7 nF
Internal inductance Li negligible
CertificateCESI 19 ATEX 027 X
Marking II 3G Ex ec IIC T4 Gc
Directive conformity
Directive 2014/34/EUEN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-7:2015
International approvals
FM approval
FM certificateFM 19 US 0122 X , FM 19 CA 0065 X
Control drawing116-0470 (cFMus)
UL approvalE106378
Control drawing116-0458 (cULus)
IECEx approval
IECEx certificateIECEx CES 06.0002X
IECEx marking[Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I Ex ec IIC T4 Gc
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.