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Pepperl+Fuchs 278766

Solenoid Driver  Pepperl+Fuchs 278766
Manufacturer
Pepperl+Fuchs
Part number
278766
Country
Germany
Type
Solenoid Driver
Weight (g)
161
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This isolated barrier is used for intrinsic safety applications. It supplies power to solenoids, LEDs, and audible alarms, located in a hazardous area. It is controlled with a loop-powered control signal, switch contact, transistor, or logic signal. At full load, 12 V at 40 mA (with 55 mA current limit) is available for the hazardous area application. An alternative low current output is available for driving a single LED without installing an external current limiting resistor. Line fault detection of the field circuit is indicated by a red LED and an output on the fault bus. This device mounts on a HiD Termination Board.
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Specifications 278766

General specifications
Signal typeDigital Output
Functional safety related parameters
Safety Integrity Level (SIL)SIL 3
Supply
ConnectionSL1: 1a(-), 1b(-), 2a(+), 2b(+)
Rated voltage20.4 ... 30 V DC loop powered 20.4 ... 30 V DC bus powered via Termination Board
Input current62 mA at 24 V, 300 &Omega, load (per channel)
Power dissipation1 W at 24 V, 300 &Omega, load (per channel)
Input
Connection sidecontrol side
ConnectionSL1: 8a(+), 7a(-), 10a(+), 9a(-) bus powered SL1: 8b(+), 7b(-), 9b(+), 10b(-) loop powered
Control inputexternal switch (dry contact or open collector) non isolated or logic signal input fully floating
Signal level1-signal: 15...30 V DC (current limited at 3 mA) or contact close (internal 10 k&Omega, pull-up) 0-signal: 0...5 V DC or contact open
Power dissipation1 W at 24 V, 300 &Omega, load (per channel) for loop powered
Inrush current0.2 A , 15 ms loop powered
Output
Connection sidefield side
ConnectionSL2: 5a(+), 5b(-), 7a(+), 1a(+), 1b(-), 3b(+)
Internal resistorapprox. 240 &Omega,
Current&le, 40 mA
Voltage&ge, 12 V
Current limit55 mA
Open loop voltageapprox. 22.5 V
Loadnominal 0.1 ... 5 k&Omega,
Switching frequency- bus powered: filter OFF: max. 150 Hz, filter ON: max. 15 Hz - loop powered: max. 10 Hz
Energized/De-energized delay- bus powered: filter OFF: 1 ms, filter ON: 10 ms - loop powered: switch-on 50 ms, switch-off 6 ms (300 &Omega, load)
Fault indication output
ConnectionSL1: 6b
Output typeopen collector transistor (internal fault bus)
Fault current4 mA pulsing (20 ms ON, 200 ms OFF)
Fault levellead short-circuit detection at <25 &Omega,lead breakage detection at> 100 k&Omega, typical
Galvanic isolation
Output/Outputsafe electrical isolation acc. to EN 60079-11: 2007, voltage peak value 60 V
Output/power supply, inputs, and collective errorsafe electrical isolation acc. to EN 60079-11: 2007, voltage peak value 375 V
Indicators/settings
Display elementsLEDs
Control elementsDIP-switch
Configurationvia DIP switches
Labelingspace for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Conformity
Electromagnetic compatibilityNE 21:2006 For further information see system description.
Degree of protectionIEC 60529:2001
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Relative humidity5 ... 90 %, non-condensing up to 35 °C (95 °F)
Mechanical specifications
Degree of protectionIP20
Massapprox. 140 g
Dimensions18 x 106 x 128 mm (0.7 x 4.2 x 5 inch)
Mountingon Termination Board
Codingpin 1 and 4 trimmed For further information see system description.
Data for application in connection with hazardous areas
EU-Type Examination CertificateCESI 10 ATEX 036
Marking II (1)G [Ex ia Ga] IIC II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I
OutputEx ia Ga, Ex ia Da, Ex ia Ma
Voltage26 V
Current110 mA
Power715 mW
Supply
Maximum safe voltage253 V AC (Attention! Um is no rated voltage.)
CertificatePF 10 CERT 1729 X
Marking II 3G Ex nA IIC T4 Gc
Directive conformity
Directive 2014/34/EUEN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-15:2010
International approvals
CSA approval
Control drawing366-005CS-12B (cCSAus)
IECEx approvalIECEx CES 10.0013
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.