KFD2-SR2-EX2.W : KFD2SR2EX2W Specification
Alternative Part Number:
132960
Manufacturer: Pepperl + Fuchs
Pricing Unit: Each
Weight: 0.160 kg(each)
Tariff code: 85389099
KFD2-SR2-EX2.W
132960
Features
2-channel isolated barrier
24 V DC supply (Power Rail)
Dry contact or NAMUR inputs
Relay contact output
Line fault detection (LFD)
Reversible mode of operation
Up to SIL2 acc. to IEC 61508
Your benefits
This isolated barrier is used for intrinsic safety applications. It transfers digital signals (NAMUR sensors/mechanical contacts) from a hazardous area to a safe area.
The proximity sensor or switch controls a form C changeover relay contact for the safe area load. The normal output state can be reversed using switches S1 and S2. Switch S3 is used to enable or disable line fault detection of the field circuit.
During an error condition, the relays revert to their deenergized state and the LEDs indicate the fault according to NAMUR NE44.
A unique collective error messaging feature is available when used with the Power Rail system.
| Technical Data | |
| General Specifications | |
| Signal type | Digital Input |
| Supply | |
| Connection | Power Rail or terminals 14+, 15- |
| Rated voltage | 20 ... 30 V DC |
| Ripple | ≤ 10 % |
| Rated current | ≤ 50 mA |
| Power loss | 1 W |
| Power consumption | < 1.3 W |
| Input | |
| Connection | terminals 1+, 2+, 3-; 4+, 5+, 6- |
| Rated values | acc. to EN 60947-5-6 (NAMUR) |
| Open circuit voltage/short-circuit current | approx. 8 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 mA |
| Pulse/Pause ratio | ≥ 20 ms / ≥ 20 ms |
| Output | |
| Connection | output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12 |
| Output I, II | signal, relay |
| Minimum switch current | 2 mA / 24 V DC |
| Energized/De-energized delay | approx. 20 ms / approx. 20 ms |
| Mechanical life | 107 switching cycles |
| Transfer characteristics | |
| Switching frequency | ≤ 10 Hz |
| Electrical isolation | |
| Output/power supply | reinforced insulation according to IEC 61140, rated insulation voltage 300 Veff |
| Output/Output | reinforced insulation according to IEC 61140, rated insulation voltage 300 Veff |
| Directive conformity | |
| Electromagnetic compatibility | |
| Directive 2004/108/EC | EN 61326-1:2006 |
| Low voltage | |
| Directive 2006/95/EC | EN 50178:1997 |
| Conformity | |
| Electromagnetic compatibility | NE 21 |
| Protection degree | IEC 60529 |
| Protection against electric shock | IEC 61140 |
| Ambient conditions | |
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) |
| Mechanical specifications | |
| Protection degree | IP20 |
| Mass | approx. 150 g |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 in) , housing type B2 |
| Data for application in connection with Ex-areas | |
| EC-Type Examination Certificate | PTB 00 ATEX 2080 , for additional certificates see www.pepperl-fuchs.com |
| Group, category, type of protection | Ex II (1) G [Ex ia] IIC, II (1) D [Ex ia] IIIC |
| Input | [Ex ia] IIC, [Ex ia] IIIC |
| Voltage Uo | 10.5 V |
| Current Io | 13 mA |
| Power Po | 34 mW (linear characteristic) |
| Supply | |
| Maximum safe voltage Um | 253 V AC / 125 V DC (Attention! Um is no rated voltage.) |
| Output | |
| Contact loading | 253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load |
| Maximum safe voltage Um | 253 V AC (Attention! The rated voltage can be lower.) |
| Statement of conformity | Pepperl+Fuchs |
| Group, category, type of protection | Ex II (3)G [Ex ic] IIC; [Ex nL] IIC |
| Input | [Ex ic] IIC; [Ex nL] IIC |
| Voltage Uo | 10.5 V |
| Current Io | 13 mA |
| Power Po | 34 mW (linear characteristic) |
| Output | |
| Contact loading | 253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load |
| Statement of conformity | TÜV 99 ATEX 1493 X , observe statement of conformity |
| Group, category, type of protection, temperature class | Ex II 3G Ex nA nC IIC T4 |
| Output | |
| Contact loading | 50 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load |
| Electrical 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 94/9/EC | EN 60079-0:2009, EN 60079-11:2007 , EN 61241-11:2006 , EN 60079-0:2006, EN 60079-15:2005 |
| International approvals | |
| FM approval | |
| Control drawing | 116-0035 |
| CSA approval | |
| Control drawing | 116-0047 |
| IECEx approval | IECEx PTB 11.0034 |
| Approved for | [Ex ia] IIC , [Ex ia] IIIC , [Ex ia] I |
KFD2-SR2-EX2.W P+F TRANSFORMER ISOLATED AMPLIFIER
