Asiantuntevaa teollisuuden automaatiopalvelua vuodesta 1993

KFD2-SCD2-EX2.LK

Ex-erotin analogialähtöviesteille

  • 2-kanavainen galvaaninen erotin
  • 24 VDC jännitesyöttö (Power Rail)
  • Virtalähtö maksimi 650 Ω kuormalle
  • HART I/P ja venttiilin asennoitin
  • Johdinkatkoksen valvonta
  • Kotelon leveys 20 mm
  • SIL 2
General specifications
Signal type Analog output
Functional safety related parameters
Safety Integrity Level (SIL) SIL 2
Systematic capability (SC) SC 3
Supply
Connection Power Rail or terminals 14+, 15-
Rated voltage 19 … 30 V DC
Ripple ≤ 10 %
Rated current ≤ 45 mA at 24 V
Power dissipation ≤ 1 W at 20 mA and 500 Ω load
Power consumption ≤ 1 W
Input
Connection side control side
Connection terminals 7-, 8+, (9+); 10-, 11+, (12+)
Input signal 4 … 20 mA , limited to approx. 30 mA
Input voltage open loop voltage of the control system ≤ 30 V
Voltage drop approx. 6 V at 20 mA
Input resistance field wiring open circuit : > 100 kΩ
field wiring < 50 Ω : > 100 kΩ when using terminals 1, 2 and 4, 5
Output
Connection side field side
Connection terminals 1+, 2-; 4+, 5-
terminals 3+, 2-; 6+, 5- (no short circuit detection)
Voltage ≥ 13 V at 20 mA
Current 4 … 20 mA
Load 100 … 650 Ω , for terminals 1, 2; 4, 5
0 … 550 Ω , for Terminals 2, 3; 5, 6
Ripple 20 mV rms
Line fault detection breakage, load > 100 kΩ, short-circuit, load < 50 Ω
Fault indication output
Output type open collector transistor (internal fault bus)
Transfer characteristics
Deviation at 20 °C (68 °F), 4 … 20 mA
< 0.1 % of full scale, incl. non-linearity and hysteresis
Influence of ambient temperature < 2 µA/K (-20 … 70 °C (-4 … 158 °F)); < 4 µA/K (-40 … -20 °C (-40 … -4 °F))
Frequency range field side into the control side: bandwidth with 0.5 Vpp signal 0 … 3 kHz (-3 dB)
control side into the field side: bandwidth with 0.5 Vpp signal 0 … 3 kHz (-3 dB)
Rise time 10 to 90 % ≤ 10 ms
Galvanic isolation
Input/Output basic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Input/power supply basic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Input/input functional insulation, rated insulation voltage 50 V AC
Indicators/settings
Display elements LEDs
Labeling space for adhesive label at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EU EN 61326-1:2013 (industrial locations)
Conformity
Electromagnetic compatibility NE 21:2017
EN 61326-3-2:2018
Degree of protection IEC 60529
Protection against electrical shock UL 61010-1:2012
Ambient conditions
Ambient temperature -40 … 70 °C (-40 … 158 °F)
Mechanical specifications
Degree of protection IP20
Connection screw terminals
Mass approx. 135 g
Dimensions 20 x 124 x 115 mm (0.8 x 4.9 x 4.5 inch) , housing type B2
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas
EU-type examination certificate BAS 00 ATEX 7240 X
Marking Ex-Hexagon II (1)G [Ex ia Ga] IIC
Ex-Hexagon II (1)D [Ex ia Da] IIIC
Ex-Hexagon I (M1) [Ex ia Ma] I
Output Ex ia, Ex iaD
Voltage 25.2 V
Current 93 mA
Power 585.3 mW
Internal capacitance 1.05 nF
Internal inductance 0
Supply
Maximum safe voltage 250 V rms (Attention! The rated voltage can be lower.)
Input
Maximum safe voltage 250 V rms (Attention! The rated voltage can be lower.)
Certificate TÜV 99 ATEX 1499 X
Marking Ex-Hexagon II 3G Ex nA II T4
Galvanic isolation
Input/Output safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Output/power supply safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity
Directive 2014/34/EU EN 60079-0:2018 , EN 60079-11:2012 , EN 60079-15:2005
International approvals
UL approval E106378
Control drawing 116-0345 (cULus)
IECEx approval
IECEx certificate IECEx BAS 04.0014X
IECEx marking [Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I
Ex ec IIC T4 Gc
KFD2-SCD2-EX2.LK

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