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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