BỘ KHUẾCH ĐẠI TÍN HIỆU KFD2-ER-1.W.LB – CONDUCTIVE SWITCH AMPLIFIER KFD2-ER-1.W.LB
TÍNH NĂNG NỔI BẬT
- Bộ điều hòa tín hiệu này cung cấp điện áp đo AC cho các điện cực cảm biến mức..
- Nguồn cung cấp 24 V DC (Đường ray điện).
- Khi môi trường đo được chạm đến các điện cực, thiết bị sẽ phản ứng bằng cách cung cấp năng lượng cho tiếp điểm rơle chuyển đổi dạng C..
- Mô-đun được điều chỉnh điện áp và nhiệt độ và đảm bảo một đặc tính chuyển mạch xác định..
- Nó có thể được sử dụng để điều khiển bật / tắt hoặc điều khiển tối thiểu / tối đa. Có sẵn tính năng trễ tín hiệu và có thể điều chỉnh trong khoảng từ 0,5 giây đến 10 giây..
- Mô-đun này cũng có thể giám sát mạch trường xem có bị đứt dây dẫn (LB) hay không. LB được chỉ báo bằng đèn LED màu đỏ. Có thể tắt chức năng này bằng các công tắc DIP..
- Kiểm soát tối thiểu / tối đa.
- Phạm vi điều chỉnh 1 kΩ … 150 kΩ.
THÔNG SỐ KỸ THUẬT
General specifications | ||
---|---|---|
Signal type | Digital Input | |
Functional safety related parameters | ||
Safety Integrity Level (SIL) | SIL 2 | |
Supply | ||
Connection | terminals 14, 15 | |
Rated voltage | 90 … 253 V AC , 45 … 65 Hz | |
Rated current | ≤ 150 mA | |
Power dissipation | 2.5 W | |
Power consumption | max. 7 W | |
Input | ||
Connection side | field side | |
Connection | Input I: terminals 1+, 2, 3-; Input II: terminals 4+, 5, 6- | |
Rated values | 22 … 24 V DC / 100 mA, see notes | |
NPN sensor | ||
Switching point | 4 … 13 V | |
PNP sensor | ||
Switching point | 4 … 13 V | |
Short-circuit current | 110 mA | |
Switching point | 0-signal: < 5 V 1-signal: > 13 V |
|
Output | ||
Connection side | control side | |
Connection | output I: terminals 7, 8, 9 output II: terminals 10, 11, 12 |
|
Output I, II | ||
Contact loading | 250 V AC / 4 A / cos φ > 0.7; 40 V DC / 2 A resistive load | |
Energized/De-energized delay | max. 6 ms | |
Mechanical life | 107 switching cycles | |
Transfer characteristics | ||
Switching frequency | ≤ 10 Hz | |
Galvanic isolation | ||
Input/Output | safe galvanic isolation per EN 50178, voltage peak value 253 V | |
Input/power supply | safe galvanic isolation per EN 50178, voltage peak value 253 V | |
Output/power supply | safe galvanic isolation per EN 50178, voltage peak value 253 V | |
Output/Output | basic insulation acc. to EN 50178, rated insulation voltage 253 Veff | |
Indicators/settings | ||
Display elements | LEDs | |
Labeling | space for labeling at the front | |
Directive conformity | ||
Electromagnetic compatibility | ||
Directive 2004/108/EC | EN 61326-1:2006 | |
Low voltage | ||
Directive 2006/95/EC | EN 50178:1997 | |
Conformity | ||
Galvanic isolation | EN 50178 | |
Electromagnetic compatibility | NE 21 | |
Degree of protection | IEC 60529 | |
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 |
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