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参数资料
| 型号： | 2814045 |
| 厂商： | Phoenix Contact |
| 文件页数： | 1/6页 |
| 文件大小： | 0K |
| 描述： | MCR PASSIVE ISOLATOR 4-20MA |
| 标准包装： | 1 |
| 系列： | * |
| 其它名称： | 277-4954 2814045-ND MCR-4CLP-I/I-00 |
Multi-Channel Passive Isolator
MCR-...CLP-I/I-00
? Electrical isolation without additional
power supply
? Current signals 0(4)...20 mA
? 1-, 2- and 4-channel versions
I
I
1. Description
MCR-1,2,4CLP-I/I-00 passive isolators are used for
the electrical isolation and processing of analog
0(4)… 20 mA standard current signals. The blocks
provide electrical isolation between the control
electronics and process I/O. In addition, interference
signals above 75 Hz are effectively suppressed.
Input and output circuit do not require separate
auxiliary power. The modules obtain this power from
the input signal.
The modules are snapped onto symmetrical DIN
rails in accordance with EN 50 022.
When using passive isolators, ensure that the
current-driving voltage of the measuring transducer U B
is suf?cient for driving the maximum current of 20 mA
over the passive isolator with the power loss of
U V = 2.5 V and the load R B .
This means:
The graphic shows the input voltage of U E
dependant on the load R B considering the power loss
U V .
If you know your load, the lowest voltage, which the
sensor should use to drive a maximum current of 20
mA via passive isolators and loads, can be read from
the Y-axis.
Input voltage depending on the load at I A = 20 mA
U B ≥ U E = 2.5 V + 20 mA * R B
U E
25
/V
U B
I
UV = 2.5 V
20
I
U E
I
I
R B
15
MCR-1CLP
10
5
U V = 2,5 V
0
200
400
600
800
1000
R B / ?
Headquarters: ? Phoenix Contact GmbH & Co. KG ? Flachsmarktstra?e 8 ? 32825 Blomberg ? Germany
Phone +49 - 52 35 - 3 00 ? Fax +49 - 52 35 - 34 12 00 ? www.phoenixcontact.com
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