UNIVERSAL TEMPERATURE CONVERTER KFD2-UT2-2
TÍNH NĂNG NỔI BẬT
- Bộ điều hòa tín hiệu 2 kênh
- Nguồn cung cấp 24 V DC (Đường ray điện)
- Đầu vào cặp nhiệt điện, RTD, chiết áp hoặc điện áp
- Có thể sử dụng làm bộ chia tín hiệu (1 đầu vào và 2 đầu ra)
- Đầu ra dòng 0/4 mA … 20 mA
- Chế độ sink hoặc source
- Có thể cấu hình bằng PACTware
- Lỗi đường truyền (LFD) và phát hiện lỗi cảm biến
- Up to SIL 2 acc. to IEC 61508/IEC 61511
THÔNG SỐ KỸ THUẬT
General specifications | ||
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Signal type | Analog input | |
Functional safety related parameters | ||
Safety Integrity Level (SIL) | SIL 2 | |
Supply | ||
Connection | terminals 14+, 15- or power feed module/Power Rail | |
Rated voltage | 20 … 30 V DC | |
Ripple | within the supply tolerance | |
Power dissipation | ≤ 1.53 W | |
Power consumption | max. 1.53 W | |
Interface | ||
Programming interface | programming socket | |
Input | ||
Connection side | field side | |
Connection | terminals 1, 2, 3; 4, 5, 6 | |
RTD | type Pt10, Pt50, Pt100, Pt500, Pt1000 (EN 60751: 1995) type Pt10GOST, Pt50GOST, Pt100GOST, Pt500GOST, Pt1000GOST (6651-94) type Cu10, Cu50, Cu100 (P50353-92) type Ni100 (DIN 43760) |
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Measuring current | approx. 200 µA with RTD | |
Types of measuring | 2-, 3-wire connection | |
Lead resistance | max. 50 Ω per line | |
Measurement loop monitoring | sensor breakage, sensor short-circuit | |
Thermocouples | type B, E, J, K, N, R, S, T (IEC 584-1: 1995) type L (DIN 43710: 1985) type TXK, TXKH, TXA (P8.585-2001) |
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Cold junction compensation | external and internal | |
Measurement loop monitoring | sensor breakage | |
Potentiometer | 0 … 20 kΩ (2-wire connection), 0.8 … 20 kΩ (3-wire connection) | |
Voltage | selectable within the range -100 … 100 mV | |
Input resistance | ≥ 1 MΩ (-100 … 100 mV) | |
Output | ||
Connection side | control side | |
Connection | output I: terminal 7: source (-), sink (+), terminal 8: source (+), terminal 9: sink(-) output II: terminal 10: source (-), sink (+), terminal 11: source (+), terminal 12: sink(-) |
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Output I, II | Analog current output | |
Current range | 0 … 20 mA or 4 … 20 mA | |
Fault signal | downscale 0 or 2 mA, upscale 21.5 mA (acc. NAMUR NE43) | |
Source | load 0 … 550 Ω open-circuit voltage ≤ 18 V |
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Sink | Voltage across terminals 5 … 30 V. If the current is supplied from a source > 16.5 V, series resistance of ≥ (V – 16.5)/0.0215 Ω is needed, where V is the source voltage. The maximum value of the resistance is (V – 5)/0.0215 Ω. |
|
Transfer characteristics | ||
Deviation | ||
After calibration | Pt100: ± (0.06 % of measurement value in K + 0.1 % of span + 0.1 K (4-wire connection)) thermocouple: ± (0.05 % of measurement value in °C + 0.1 % of span + 1 K (1.2 K for types R and S)) , includes ± 0.8 K fault of the cold junction compensation (CJC) mV: ± (50 µV + 0.1 % of span) potentiometer: ± (0.05 % of full scale + 0.1 % of span, (excludes faults due to lead resistance)) |
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Influence of ambient temperature | Pt100: ± (0.0015 % of measurement value in K + 0.006 % of span)/K ΔTamb*) thermocouple: ± (0.02 K + 0.005 % of measurement value in °C + 0.006 % of span)/K ΔTamb*)), influence of cold junction compensation (CJC) included mV: ± (0.01 % of measurement value + 0.006 % of span)/K ΔTamb*) potentiometer: ± 0.006 % of span/K ΔTamb*) *) ΔTamb = ambient temperature change referenced to 23 °C (296 K) |
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Influence of supply voltage | < 0.01 % of span | |
Influence of load | ≤ 0.001 % of output value per 100 Ω | |
Reaction time | worst case value (sensor breakage and/or sensor short circuit detection enabled) mV: 1.2 s, thermocouples with CJC: 1.4 s, thermocouples with fixed ref. temp: 1.4 s, 3- or 4-wire RTD: 1.1 s, 2-wire RTD: 920 ms, Potentiometer: 3-wire connection 2.8 s, 2-wire connection 2.25 s |
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Galvanic isolation | ||
Input/Other circuits | basic insulation according to IEC 61010-1, rated insulation voltage 300 Veff | |
Output/supply, programming input | functional insulation, rated insulation voltage 50 V AC There is no electrical isolation between the programming input and the supply. The programming cable provides galvanic isolation so that ground loops are avoided. |
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Indicators/settings | ||
Display elements | LEDs | |
Configuration | via PACTware | |
Labeling | space for labeling at the front | |
Directive conformity | ||
Electromagnetic compatibility | ||
Directive 2014/30/EU | EN 61326-1:2013 (industrial locations) | |
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. 130 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 | |
Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |