信号转换器 KFD2-UT2-2
来源：未知 日期：2018/03/16 浏览量：次
对于大多数的控制系统而言，常常需要将输入信号转换为系统可接受的信号模式。那么信号调节器的功能就是将各种现场信号，例如热电偶，热电阻转换为多种标准的仪表信号(1…5V, 4…20 mA, 等.)。
信号调节器对于信号的精确传输、信号的隔离以及防止信号干扰等方面起到很大的作用。
产品特点：● 2-channel signal conditioner
● 24 V DC supply (Power Rail)
● Thermocouple, RTD, potentiometer or voltage input
● Usable as signal splitter (1 input and 2 outputs)
● Current output 0/4 mA ... 20 mA
● Sink or source mode
● Configurable by PACTware
● Line fault (LFD) and sensor burnout detection
● Up to SIL 2 acc. to IEC 61508/IEC 61511
| 产品阐述： | ||
|---|---|---|
| Current output 0/4 mA ... 20 mA | ||
| 一般特性： | ||
|---|---|---|
| Signal type | Analog input | |
| 功能安全相关参数： | ||
| 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/power consumption | ≤ 1.53 W / 1.53 W | |
| 接口： | ||
| Programming interface | programming socket | |
| 输入： | ||
| 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) |
|
| 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) |
|
| 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) | |
| 输出： | ||
| 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(-) |
|
| 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 |
|
| 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. |
|
| 传递特性： | ||
| 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 |
|
| 指示灯/设置： | ||
| Display elements | LEDs | |
| Configuration | via PACTware | |
| Labeling | space for labeling at the front | |
| 指令符合： | ||
| Electromagnetic compatibility | ||
| Directive 2014/30/EU | EN 61326-1:2013 (industrial locations) | |
| 符合： | ||
| Electromagnetic compatibility | NE 21:2006 | |
| Degree of protection | IEC 60529:2001 | |
| 周围环境： | ||
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) | |
| 机械特性： | ||
| 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) , housing type B2 | |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 | |
电气接线图
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