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参数资料
| 型号： | 2814045 |
| 厂商： | Phoenix Contact |
| 文件页数： | 5/6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
c
Conforms to the EMC Directive 89/336/EEC and the
Low Voltage Directive 73/23/EEC
Criterion A: Normal operating characteristics within the speci?ed
EMC (Electromagnetic Compatibility)
Noise immunity in accordance with EN 50082-2
? Electrostatic discharge (ESD)
? Electromagnetic HF ?eld
Amplitude modulation
Pulsed modulation
? Fast transients (burst)
? Surge current load (surge)
? Conducted interference
Noise emission in accordance with EN 50081-2
EN 61000 corresponds to IEC 1000/
EN 55022 corresponds to CISPR22
1)
limits.
2) Criterion
B: Temporary adverse effects on the operating
characteristics that the device corrects independently.
Class B:
Industrial and domestic applications
3. Connection Notes
To ensure problem-free operation, the signal source
for the passive isolator must
supply a suf?ciently high voltage:
EN 61000-4-2
EN 61000-4-3
EN 61000-4-4
EN 61000-4-5
EN 61000-4-6
EN 55022
U RL1
0…20mA
8 kV air discharge 2)
10 V/m 1)
10 V/m 1)
Input/output 2 kV/5 kHz 2)
Input/output: 2 kV/42 ? 2)
Input/output
10 V 1)
Class B
U T
I B (0…20mA)
U S ≥ U RL + U E = U RL1 + U RL2 + U T + U B
Signal
source
U S
RL1
RL2
IN
U E
I
I
OUT
RB
U B
The maximum load to be driven depends on the input
voltage UE of the passive isolator.
U RL2
MCR-1CLP
Calculation:
Input voltage depending on the
load at I A = 20 mA
R L = 2 ? I
URL= U RL1 + U RL2 = 20 mA * R L
U E = U T + U B = 2.5 V + 20 mA * R B
γ ?A
U E / V
25
U E = Input voltage at passive isolator
20
U T = Voltage drop at passive isolator
U B = Voltage drop at output load
U RL = Voltage drop via both incoming cables
15
10
A
= Conductor cross-section in mm 2
5
U V = 2,5 V
l
= Line length between signal source
and passive isolator
0
200
400
600
800
1000
R B / ?
γ
= Electr. conductivity [Cu = 56 m/ ? * mm 2 ]
R B = Load impedance
PHOENIX CONTACT page 5 of 6
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