Switch Amplifier
KFD2-ST3-Ex2
* 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
| Brand Name: | P+F, P+F |
| Model Number: | P+F KFD2-ST3-Ex2 |
| MOQ: | 1 piece |
| Price: | $86-90 / piece |
General specifications | ||||
Signal type | Digital Input | Digital Input | ||
Functional safety related parameters | ||||
Safety Integrity Level (SIL) | SIL 2 | SIL 2 | ||
Systematic capability (SC) | SC 3 | SC 3 | ||
Supply | ||||
Connection | Power Rail or terminals 14+, 15- | |||
Rated voltage | Ur | 19 ... 30 V DC | ||
Ripple | ≤ 10 % | |||
Rated current | Ir | 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 | Ur | 30 V DC | ||
Rated current | Ir | 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 | |||