Powerstaq International
Powerstaq International
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Analog Input Barrier -KFD2-SL2-Ex1.LK-P&F
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Analog Input Barrier -KFD2-SL2-Ex1.LK-P&F

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Product Brochure
• 1-channel isolated barrier
• 24 V DC supply (Power Rail)
• Output 45 mA at 11.2 V DC
• Logic input, non-polarized
• Error message output
• Line fault detection (LFD)
• Up to SIL2 acc. to IEC 61508
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 via a logic signal. The input has two defined states: 1-Signal = 16 V DC ... 30 V DC, 0- Signal = 0 V DC ... 5 V DC. At full load, 11.2 V at 45 mA is available for the hazardous area application. If the field impedance is > 10 k??? for lead breakage or < 50 ??? for short circuits a line fault is detected. During an error condition, the fault indication output deenergizes. A fault is signalized by LEDs acc. to NAMUR NE44 and a separate collective error message output.
Power feed module KFD2-EB2 The power feed module is used to supply the devices with 24 V DC via the Power Rail. The fuse-protected power feed module can supply up to 100 individual devices depending on the power consumption of the devices. A galvanically isolated mechanical contact uses the Power Rail to transmit collective error messages. Power Rail UPR-03 The Power Rail UPR-03 is a complete unit consisting of the electrical inset and an aluminium profile rail 35 mm x 15 mm. To make electrical contact, the devices are simply engaged. Profile Rail K-DUCT with Power Rail The profile rail K-DUCT is an aluminum profile rail with Power Rail insert and two integral cable ducts for system and field cables. Due to this assembly no additional cable guides are necessary. Power Rail and Profile Rail must not be fed via the device terminals of the individual devices!
Signal type Digital Output
Connection terminals 7, 8 Input current approx. 3 mA Signal level 1-signal: 16 ... 30 V DC 0-signal: 0 ... 5 V DC
Connection terminals 1+, 2- or 3- Internal resistor Ri 270 ??? Current Ie ≤ 45 mA Voltage Ue ≥ 11.2 V Open loop voltage Us ≥ 23.5 V Output signal These values are valid for the rated operational voltage 19 ... 30 V DC
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 EC-Type Examination Certificate ZELM 99 ATEX 0015 , for additional certificates see Group, category, type of protection ¬ II (1)GD [Ex ia] IIC, [Ex iaD] [circuit(s) in zone 0/1/2] Output I Ex ia IIC, Ex iaD Voltage Uo 28 V Current Io 110 mA Power Po 770 mW (linear characteristic) Supply Maximum safe voltage Um 40 V (Attention! The rated voltage can be lower.) Input Maximum safe voltage Um 60 V (Attention! The rated voltage can be lower.) Collective error indication Maximum safe voltage Um 40 V (Attention! The rated voltage can be lower.) Statement of conformity TÜV 02 ATEX 1820 X Group, category, type of protection, temperature class ¬ II 3G Ex nA nC IIC T4 Output II Contact loading 50 V AC/2 A/cos φ > 0.7; 40 V DC/1 A resistive load Electrical isolation Output I/other circuits safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V Directive conformity Directive 94/9/EC EN 60079-0:2006, EN 60079-11:2007 , EN 60079-15:2005 , EN 61241-11:2006, EN 61241-0:2006

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