PF 54NAMUR
KFD2-ST3-Ex2 - PF 262111 - Switch Amplifier
KFD2-ST3-Ex2 - PF 262111 - Switch Amplifier
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Switch Amplifier KFD2-ST3-Ex2
- 2-channel isolated barrier
- 24 V DC supply (Power Rail)
- Dry contact or NAMUR inputs
- Active transistor output
- Line fault detection (LFD)
- Reversible mode of operation
- Up to SIL 2 (SC 3) acc. to IEC/EN 61508
Details: KFD2-ST3-Ex2
This isolated barrier is used for intrinsic safety applications.
The device transfers digital signals (NAMUR sensors or dry contacts) from a hazardous area to a safe area.
Each input controls an active transistor output.
Via switches the mode of operation can be reversed and the line fault detection can be switched off.
A fault is signalized by LEDs acc. to NAMUR NE44 and a separate collective error message output.
Compatible Part Numbers :
KFD2-ST3-Ex2
Replaced - KFD2-ST2-Ex2 pf 1611000
KF system manual:
Datasheet sheet:
Datasheet excerpt: Technical data of KFD2-ST3-Ex2
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General specifications |
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Signal type |
Digital Input |
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Functional safety related parameters |
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Safety Integrity Level (SIL) |
SIL 2 |
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Systematic capability (SC) |
SC 3 |
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|
Supply |
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Connection |
Power Rail or terminals 14+, 15- |
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Rated voltage |
19 ... 30 V DC |
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Ripple |
≤ 10 % |
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Rated current |
20 ... 15 mA + Iout |
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Power dissipation |
≤ 900 mW including maximum power dissipation in the output |
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|
Input |
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Connection side |
field side |
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Connection |
terminals 1+, 2+, 3-; 4+, 5+, 6- |
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|
Rated values |
acc. to EN 60947-5-6 (NAMUR) |
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|
Open circuit voltage/short-circuit current |
approx. 10 V DC / approx. 8 mA |
|
|
Switching point/switching hysteresis |
1.2 ... 2.1 mA / approx. 0.2 mA |
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Line fault detection |
breakage I ≤ 0.1 mA , short-circuit I ≥ 6.5 mA |
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Pulse/Pause ratio |
min. 100 µs / min. 100 µs |
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Output |
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Connection side |
control side |
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Connection |
output I: terminal 7+ ; output II: terminal 9+ |
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Rated voltage |
30 V DC |
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Rated current |
100 mA |
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Response time |
≤ 200 µs |
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Signal level |
1-signal: (supply voltage) - 3 V max. for 100 mA 0-signal: blocked output (off-state current ≤ 10 µA) |
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Output I |
signal ; Transistor |
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Output II |
signal ; Transistor |
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Collective error message |
Power Rail |
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|
Transfer characteristics |
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Switching frequency |
≤ 5 kHz |
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Galvanic isolation |
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Input/Output |
reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
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|
Input/power supply |
reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
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Indicators/settings |
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Display elements |
LEDs |
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|
Control elements |
DIP switch |
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Configuration |
via DIP switches |
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Labeling |
space for labeling at the front |
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Directive conformity |
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Electromagnetic compatibility |
||
|
Directive 2014/30/EU |
EN 61326-1:2013 (industrial locations) |
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Conformity |
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Electromagnetic compatibility |
NE 21:2012 , EN 61326-3-2:2008 |
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|
Degree of protection |
IEC 60529:2001 |
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|
Input |
EN 60947-5-6:2000 |
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|
Ambient conditions |
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Ambient temperature |
-20 ... 60 °C (-4 ... 140 °F) |
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Mechanical specifications |
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Degree of protection |
IP20 |
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|
Connection |
screw terminals |
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|
Mass |
approx. 150 g |
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|
Dimensions |
20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) (W x H x D) , housing type B2 |
|
|
Mounting |
on 35 mm DIN mounting rail acc. to EN 60715:2001 |
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|
Data for application in connection with hazardous areas |
||
|
EU-type examination certificate |
EXA 16 ATEX 0016 X |
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|
Marking |
II 3(1)G Ex nA [ia Ga] IIC T4 Gc II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I |
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Input |
Ex ia |
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Voltage |
10.5 V |
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Current |
17.1 mA |
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Power |
45 mW (linear characteristic) |
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Supply |
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Maximum safe voltage |
253 V AC (Attention! Um is no rated voltage.) |
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Output |
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Maximum safe voltage |
253 V AC (Attention! The rated voltage can be lower.) |
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Galvanic isolation |
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Input/Output |
safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V |
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Input/power supply |
safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V |
|
|
Directive conformity |
||
|
Directive 2014/34/EU |
EN IEC 60079-0:2018+AC:2020 , EN 60079-11:2012 , EN 60079-15:2010 |
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International approvals |
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UL approval |
E106378 |
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Control drawing |
116-0424 (cULus) |
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IECEx approval |
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IECEx certificate |
IECEx EXA 16.0009X |
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|
IECEx marking |
Ex nA [ia Ga] IIC T4 Gc , [Ex ia Da] IIIC , [Ex ia Ma] I |
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|
General information |
||
|
Supplementary information |
Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
|
|
General specifications |
||
|
Signal type |
Digital Input |
|
|
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 |
20 ... 15 mA + Iout |
|
|
Power dissipation |
≤ 900 mW including maximum power dissipation in the output |
|
|
Input |
||
|
Connection side |
field side |
|
|
Connection |
terminals 1+, 2+, 3-; 4+, 5+, 6- |
|
|
Rated values |
acc. to EN 60947-5-6 (NAMUR) |
|
|
Open circuit voltage/short-circuit current |
approx. 10 V DC / approx. 8 mA |
|
|
Switching point/switching hysteresis |
1.2 ... 2.1 mA / approx. 0.2 mA |
|
|
Line fault detection |
breakage I ≤ 0.1 mA , short-circuit I ≥ 6.5 mA |
|
|
Pulse/Pause ratio |
min. 100 µs / min. 100 µs |
|
|
Output |
||
|
Connection side |
control side |
|
|
Connection |
output I: terminal 7+ ; output II: terminal 9+ |
|
|
Rated voltage |
30 V DC |
|
|
Rated current |
100 mA |
|
|
Response time |
≤ 200 µs |
|
|
Signal level |
1-signal: (supply voltage) - 3 V max. for 100 mA 0-signal: blocked output (off-state current ≤ 10 µA) |
|
|
Output I |
signal ; Transistor |
|
|
Output II |
signal ; Transistor |
|
|
Collective error message |
Power Rail |
|
|
Transfer characteristics |
||
|
Switching frequency |
≤ 5 kHz |
|
|
Galvanic isolation |
||
|
Input/Output |
reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
|
|
Input/power supply |
reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
|
|
Indicators/settings |
||
|
Display elements |
LEDs |
|
|
Control elements |
DIP switch |
|
|
Configuration |
via DIP switches |
|
|
Labeling |
space for labeling at the front |
|
|
Directive conformity |
||
|
Electromagnetic compatibility |
||
|
Directive 2014/30/EU |
EN 61326-1:2013 (industrial locations) |
|
|
Conformity |
||
|
Electromagnetic compatibility |
NE 21:2012 , EN 61326-3-2:2008 |
|
|
Degree of protection |
IEC 60529:2001 |
|
|
Input |
EN 60947-5-6:2000 |
|
|
Ambient conditions |
||
|
Ambient temperature |
-20 ... 60 °C (-4 ... 140 °F) |
|
|
Mechanical specifications |
||
|
Degree of protection |
IP20 |
|
|
Connection |
screw terminals |
|
|
Mass |
approx. 150 g |
|
|
Dimensions |
20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) (W x H x D) , 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 |
EXA 16 ATEX 0016 X |
|
|
Marking |
II 3(1)G Ex nA [ia Ga] IIC T4 Gc II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I |
|
|
Input |
Ex ia |
|
|
Voltage |
10.5 V |
|
|
Current |
17.1 mA |
|
|
Power |
45 mW (linear characteristic) |
|
|
Supply |
||
|
Maximum safe voltage |
253 V AC (Attention! Um is no rated voltage.) |
|
|
Output |
||
|
Maximum safe voltage |
253 V AC (Attention! The rated voltage can be lower.) |
|
|
Galvanic isolation |
||
|
Input/Output |
safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V |
|
|
Input/power supply |
safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V |
|
|
Directive conformity |
||
|
Directive 2014/34/EU |
EN IEC 60079-0:2018+AC:2020 , EN 60079-11:2012 , EN 60079-15:2010 |
|
|
International approvals |
||
|
UL approval |
E106378 |
|
|
Control drawing |
116-0424 (cULus) |
|
|
IECEx approval |
||
|
IECEx certificate |
IECEx EXA 16.0009X |
|
|
IECEx marking |
Ex nA [ia Ga] IIC T4 Gc , [Ex ia Da] IIIC , [Ex ia Ma] I |
|
|
General information |
||
|
Supplementary information |
Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
|
Classifications
| System | Classcode |
|---|---|
| ECLASS 13.0 | 27210121 |
| ECLASS 12.0 | 27210121 |
| ECLASS 11.0 | 27210121 |
| ECLASS 10.0.1 | 27210121 |
| ECLASS 9.0 | 27210121 |
| ECLASS 8.0 | 27210121 |
| ECLASS 5.1 | 27210121 |
| ETIM 9.0 | EC001485 |
| ETIM 8.0 | EC001485 |
| ETIM 7.0 | EC001485 |
| ETIM 6.0 | EC001485 |
| ETIM 5.0 | EC001485 |
| UNSPSC 12.1 | 32101514 |
Out of stock
