Loop-powered Isolator
K3FP-SN1-I-I/K3FP-SN2-I-I
15
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Input Specifications
■
Output Specifications
Nomenclature
Connections
■
Internal Block Diagram
K3FP-SN1-I-I
K3FP-SN2-I-I
Connecting
cable
Solid
wire
0.14 to 2.5 mm
2
Stranded
wire
0.2 to 2.5 mm
2
AWG
24 to 12
Wire
stripping
length
12 mm
Degree of protection
IP20
Housing material
PBT
Weight
54 g
58 g
Safety standards
UL 508
EMC
EMI:
Radiated EMI:
EN 55011
EMS:
ESD immunity:
EN 61000-4-2
Rated electromagnetic field immunity:
EN 61000-4-3
Burst immunity:
EN 61000-4-4
Surge immunity:
EN 61000-4-5
Conducted disturbance immunity:
EN 61000-4-6
Item
Model
K3FP-SN1-I-I
K3FP-SN2-I-I
Item
Input signal
0 to 20 mA DC, 4 to 20 mA DC
Input impedance
Changes depending on the load on the
output side.
Response current
Approx. 150
µ
A
Voltage drop
Approx. 1.7 V (at I = 20 mA)
Max. input current/
overload
40 mA
Max. input voltage/
overload
18 V
Item
Output signal
0 to 20 mA DC, 4 to 20 mA DC
Allowable load
impedance
600
Ω
max. (at I = 20 mA)
Ripple
10 mVeff max.
1 2 Input signal
Snap for mounting DIN rail
5 6 Output signal
3 4 Input 2 signal
1 2 Input 1 signal
5 6 Output 1 signal
7 8 Output 2 signal
K3FP-SN1-I-I
K3FP-SN2-I-I
Translucent cover
1
2
5
6
Input signal
−
+
−
+
Output signal
1
2
5
6
−
+
−
+
Output 1 signal
3
4
7
8
Input 1 signal
Input 2 signal
−
+
−
+
Output 2 signal
