STRAIN GAUGE CONVERTER KFD2-WAC2-1.D
TÍNH NĂNG NỔI BẬT
- Bộ điều hòa tín hiệu 1 kênh
- Nguồn cung cấp 24 V DC (Đường ray điện)
- Đầu vào máy đo độ căng (toàn bộ hoặc nửa cầu)
- Đầu ra 0 mA … ± 20 mA hoặc 0 V … ± 10 V
- 2 đầu ra tiếp điểm
- Báo động cao / thấp có thể lập trình
- Có thể cấu hình bằng PACTware hoặc bàn phím
- Giao diện RS-485
- Phát hiện lỗi đường dây (LFD)
THÔNG SỐ KỸ THUẬT
General specifications | ||
---|---|---|
Signal type | Analog input | |
Supply | ||
Connection | Power Rail or terminals 23+, 24- | |
Rated voltage | 20 … 35 V DC | |
Ripple | within the supply tolerance | |
Power consumption | max. 3 W | |
Interface | ||
Connection | Power Rail or terminals 19+, 20 GND, 21- | |
Type | RS-485 | |
Programming interface | programming socket | |
Field circuit | ||
Connection | terminals 1+, 2-, 3+, 4-, 5+, 6- | |
Lead resistance | max. 25 Ω per line | |
Input I | ||
Connection | terminals 1+, 2- | |
Sensor supply | 1 … 5 V | |
Connection | terminals 3+, 4- (supply); 5+, 6- (signal) | |
Short-circuit current | 50 mA | |
Load | ≥ 116 Ω up to 5V, ≥ 85 Ω up to 4V | |
Input | ||
Connection side | field side | |
Connection | Input I: terminals 1+, 2-; Input II: terminals 13+, 14-; Input III: terminals 15+, 14- | |
Programmable Tare | 0 … 500 % of span | |
Input I | Signal, analog | |
Input signal | -100 … 100 mV | |
Input resistance | > 1 MΩ for voltage measurement | |
Input II, III | tare adjustment, calibration and zero | |
Open circuit voltage/short-circuit current | 18 V / 5 mA | |
Active/Passive | I > 4 mA/I < 1.5 mA | |
Output | ||
Connection side | control side | |
Connection | Output I: terminals 10, 11, 12; Output II: terminals 16, 17, 18; Output III: terminals 7-, 8+, 9- | |
Output I, II | Relay output | |
Contact loading | 253 V AC/2 A/500 VA/cos φ min. 0.7; 40 V DC/2 A resistive load | |
Mechanical life | 2 x 107 switching cycles | |
Output III | Analog output | |
Current range | -20 … 20 mA | |
Load | max. 550 Ω | |
Analog voltage output | 0 … ± 10 V; output resistance 500 Ω (bridge between terminal 7 and 9) | |
Analog current output | 0 … ± 20 mA or 4 … 20 mA; load 0 … 550 Ω (terminals 7 and 8) | |
Line fault detection | downscale -21.5 mA (-10.75 V) or 2 mA (1 V), upscale 21.5 mA (10.75 V) | |
Collective error message | Power Rail | |
Transfer characteristics | ||
Deviation | ||
Resolution/accuracy | ≤ ± 0.05 % incl. non-linearity and hysteresis | |
Temperature effect | ≤ ± 0.01 %/K | |
Reaction time | 300 … 850 ms | |
Galvanic isolation | ||
Input I/other circuits | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
Output I, II against eachother | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
Output I, II/other circuits | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
Output III/Input II, III | not available | |
Output III/Programming socket | not available | |
Other circuits from each other | functional insulation, rated insulation voltage 50 Veff | |
Indicators/settings | ||
Display elements | LEDs , display | |
Control elements | Control panel | |
Configuration | via operating buttons via PACTware |
|
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 61010-1:2010 | |
Conformity | ||
Electromagnetic compatibility | NE 21:2006 | |
Degree of protection | IEC 60529:2001 | |
Ambient conditions | ||
Ambient temperature | -20 … 60 °C (-4 … 140 °F) | |
Mechanical specifications | ||
Degree of protection | IP20 | |
Connection | screw terminals | |
Mass | approx. 250 g | |
Dimensions | 40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) (W x H x D) , housing type C2 | |
Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 | |
International approvals | ||
UL approval | E223772 |