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283674 KFD2-STC4-EX1.2O

Short Description:

1-channel isolated barrier

24 V DC supply (Power Rail)

Input 2 wire & 3 wire SMART transmitters, 2 wire SMART current sources

Signal splitter ? 1 input and 2 outputs

Analogue input

Output 0/4 mA - 20 mA current sink/current source

Terminals with test points

IP20 protection rating

Safety Integrity Level SIL 3

Dimensions HxWxD ? 124 x 20 x 115 mm

Up to SIL 2 acc. to IEC 61508

Alternative Part Number: 283674

Manufacturer: Pepperl + Fuchs

Pricing Unit: Each

Weight: 0.169 kg (each)

Tariff code: 85437090

Generic code: PFPA10

GTIN/UPC/EAN: 4050143067107


283674 KFD2-STC4-EX1.2O

General specifications

Signal type Analog input

Supply

Connection Power Rail or terminals 14+, 15-

Rated voltage Un 20 ... 35 V DC

Ripple within the supply tolerance

Power loss 1.8 W

Power consumption 2.4 W

Input

Connection terminals 1+, 2-, 3 or 5-, 6+

Input signal 0/4 ... 20 mA

Open circuit voltage/short-circuit current terminals 1+, 3-: 22.7 V / 38 mA

Voltage drop terminals 5, 6 : ≤ 2.4 V at 20 mA

Input resistance terminals 2-, 3: ≤ 76 Ω

terminals 1+, 3: ≤ 500 Ω (250 Ω load)

Available voltage terminals 1+, 3: ≥ 16 V at 20 mA

Output

Connection terminals 7-, 8+,9; 10-, 11+,12

Load 0 ... 550 Ω

Output signal 0/4 ... 20 mA (overload > 25 mA)

Ripple ≤ 50 µA rms

Transfer characteristics

Deviation at 20 °C (68 °F), 0/4 ... 20 mA

≤ 10 µA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage

Influence of ambient temperature 0.25 µA/K

Frequency range field side into the control side: bandwidth with 0.5 Vpp signal 0 ... 7.5 kHz (-3 dB)

control side into the field side: bandwidth with 0.5 Vpp signal 0.3 ... 7.5 kHz (-3 dB)

Settling time 200 µs

Rise time/fall time 20 µs

Electrical isolation

Output/power supply functional insulation, rated insulation voltage 50 V AC

Output/Output functional insulation, rated insulation voltage 50 V AC

Directive conformity

Electromagnetic compatibility

Directive 2004/108/EC EN 61326-1:2006

Conformity

Electromagnetic compatibility NE 21:2011

Degree of protection IEC 60529:2001

Protection against electrical shock UL 61010-1:2012

Ambient conditions

Ambient temperature -20 ... 60 °C (-4 ... 140 °F)

Mechanical specifications

Degree of protection IP20

Mass approx. 200 g

Dimensions 20 x 124 x 115 mm (0.8 x 4.9 x 4.5 in) , housing type B2

Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001

Data for application in connection

with Ex-areas

EC-Type Examination Certificate BAS 99 ATEX 7060 , for additional certificates see www.pepperl-fuchs.com

Group, category, type of protection ¬ II (1)G [Ex ia Ga] IIC , ¬ II (1)D [Ex ia Da] IIIC

Input [Ex ia Ga] IIC, [Ex ia Da] IIIC

Supply

Maximum safe voltage Um 250 V (Attention! The rated voltage can be lower.)

Equipment terminals 1+, 3-

Voltage Uo 25.4 V

Current Io 86.8 mA

Power Po 551 mW

Permissible connection values [EEx ia]

Equipment terminals 2-, 3

Current Io/Current Ii

 74 mA / 115 mA

Current Ii 115 mA

Voltage Uo 3.5 V

Current Io 74 mA

Power Po 64 mW

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