Mô đun Switch Amplifier KFU8-UFC-Ex1.D Frequency Converter With Trip Values
Switch Amplifier KFU8-UFC-Ex1.D Frequency Converter with Trip Values
Frequency Converter with Trip Values
1-channel isolated barrier, Universal usage at different power supplies, Input for NAMUR sensors or dry contacts, Input frequency 1 mHz … 5 kHz, Current output 0/4 mA … 20 mA, Relay contact and transistor output, Start-up override, Line fault detection (LFD), Up to SIL2 acc. to IEC 61508/IEC 61511
Feature:
| 1-channel isolated barrier |
| Universal usage at different power supplies |
| Input for NAMUR sensors or dry contacts |
| Input frequency 1mHz … 5 kHz |
| Current output 0/4 mA … 20mA |
| Relay contact and transistor output |
| Start-up override |
| Line fault detection (LFD) |
| Up to SIL 2 acc. to IEC 61508 /IEC 61511 |
| Specifions: | ||
|---|---|---|
| 48 V AC … 253 V AC/20 V DC … 90 V DC | ||
| General specifications | ||
|---|---|---|
| Signal type | Digital Input | |
| Functional safety related parameters | ||
| Safety Integrity Level (SIL) | SIL 2 | |
| Supply | ||
| Connection | terminals 23, 24 | |
| Rated voltage | 20 … 90 V DC / 48 … 253 V AC 50 … 60 Hz | |
| Power dissipation/power consumption | ≤ 2 W ; 2.5 VA / 2.2 W ; 3 VA | |
| Interface | ||
| Programming interface | programming socket | |
| Input | ||
| Connection side | field side | |
| Connection | Input I: intrinsically safe: terminals 1+, 3- Input II: non-intrinsically safe: terminals 13+, 14- |
|
| Input I | sensor acc. to EN 60947-5-6 (NAMUR) or mechanical contact | |
| Pulse duration | > 50 µs | |
| Input frequency | 0.001 … 5000 Hz | |
| Line fault detection | breakage I ≤ 0.15 mA; short-circuit I > 6.5 mA | |
| Input II | startup override: 1 … 1000 s, adjustable in steps of 1 s | |
| Active/Passive | I > 4 mA (for min. 100 ms) / I < 1.5 mA | |
| Open circuit voltage/short-circuit current | 18 V / 5 mA | |
| Output | ||
| Connection side | control side | |
| Connection | output I: terminals 10, 11, 12 output II: terminals 16, 17, 18 outout III: terminasl 19+, 20- output IV: terminals 8+, 7- |
|
| Output I, II | signal, relay | |
| Contact loading | 250 V AC / 2 A / cos φ ≥ 0.7 ; 40 V DC / 2 A | |
| Mechanical life | 5 x 107 switching cycles | |
| Energized/De-energized delay | approx. 20 ms / approx. 20 ms | |
| Output III | electronic output, passive | |
| Contact loading | 40 V DC | |
| Signal level | 1-signal: (L+) – 2.5 V (50 mA, short-circuit/overload proof) 0-signal: switched off (off-state current ≤ 10 µA) |
|
| Output IV | analog | |
| Current range | 0 … 20 mA or 4 … 20 mA | |
| Open loop voltage | max. 24 V DC | |
| Load | max. 650 Ω | |
| Fault signal | downscale I ≤ 3.6 mA , upscale ≥ 21.5 mA (acc. NAMUR NE43) | |
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