DR910

DR910

分  类:其它

品  牌:欧米茄

厂  商:Omega工业测量(中国)

型  号:DR910

相关行业:

发布时间:2019-12-19 18:12 浏览人数:

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The DR910 passive isolator is used for the electrical isolation andprocessing of analog 0 to 20 mA or 4 to 20 mA standard current signals.The DR910 provides electrical isolation between the controlelectronics and process I/O. In addition, interference signals above75 Hz are effectively suppressed. Input and output circuit do notrequire separate auxiliary power.

The DR910 obtains power from the input signal. The modules aresnapped onto symmetrical DIN rails in accordance with EN 50 022.When using the DR910, ensure that the current-driving voltage of themeasuring transducer is sufficient for driving the maximum current of20 mA, with a power loss of 2.5 V (2.5 V + (20 mA * RLOAD). Voltage drop across the input iscalculated by determining the load resistance of the output loop,drawing a vertical line to the curve (see diagram), then horizontally tothe voltage drop.

The energy for the supply on the input side is taken from the analoginput signal. Due to the dynamic input resistance, a power loss ofapproximately 2.5 V drops at the module input.

SPECIFICATIONS
Input Range:
0 to 20 mA, 4 to 20 mA
Maximum Input Current/Voltage: 50 mA/30 Vdc
Input Resistance@ 20 mA:
125 to 1125Ω (dependent on load)
Voltage Drop at Input: See Chart on PDF
Maximum Input Frequency: <75 Hz
Response Time: 5 msec max
Output Signal: 0 to 20 mA, 4 to 20 mA
Max Load Resistance: <1375 Ω @ 20 mA
Isolation Voltage: 510 V, 50 Hz, for 1 minute
Accuracy: <0.1% of full scale
Operating Temperature: -10 to 70°C (14 to 158°F)
Temperature Coeficient: <0.002%/K of the measured value
Enclosure: Case body is green, Polyamide PA
Mounting: Standard DIN style rail, including top hat (T) profile railaccording to EN50022 - 35 X 7.5 and 35 X 15, and G profile railaccording to EN50035 - G32.
Weight: 84.4 g (3 oz)

















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公司名称:Omega工业测量(中国)
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