KFD2-STC4-EX2 PEPPERL & FUCHS, KFD2-STC4-EX2 Datasheet - Page 2

• Manufacturer Part Number: KFD2-STC4-EX2
• Description: 2-WIRE SMART TRANSMITTERS, 4-20mA IN : 4-20mA OUT, HART, SIL 2 (IEC 61508), DUA
• Manufacturer: PEPPERL & FUCHS

Specifications of KFD2-STC4-EX2

• Lead Free Status / Rohs Status: RoHS Compliant part

Subject to reasonable modifications due to technical advances.
Pepperl+Fuchs Group • Tel.: Germany [phone] • USA [phone] • Singapore [phone] • Internet www.pepperl-fuchs.com
General specifications
Signal type
Supply
Connection
Rated voltage
Ripple
Power loss
Power consumption
Input
Connection
Input signal
Available voltage
Output
Connection
Load
Output signal
Ripple
Transfer characteristics
Deviation
Frequency range
Rise time
Start-up time
De-energized delay
Electrical isolation
Output/power supply
Output/Output
Directive conformity
Electromagnetic compatibility
Conformity
Electromagnetic compatibility
Protection degree
Ambient conditions
Ambient temperature
Mechanical specifications
Protection degree
Mass
Dimensions
Data for application in connection
with Ex-areas
EC-Type Examination Certificate
Supply
Type of protection [EEx ia]
Statement of conformity
Electrical isolation
Directive conformity
International approvals
UL approval
General information
Influence of ambient temperature
Directive 2004/108/EC
Group, category, type of protection
Input
Voltage
Current
Power
Maximum safe voltage U
Group, category, type of protection,
temperature classification
Input/Output
Input/power supply
Directive 94/9/EC
Control drawing
Technical data
U
I
P
o
o
o
m
Analog input
Power Rail or terminals 14+, 15-
20 ... 35 V DC
within the supply tolerance
1.9 W
≤ 2.8 W
terminals 1+, 3-; 4+, 6-
0/4 ... 20 mA
≥ 16 V at 20 mA, terminals 1+, 3
terminals 7-, 8+; 10-, 11+
0 ... 550 Ω
0/4 ... 20 mA (overload > 25 mA)
≤ 50 µA
at 20 °C / 0/4 ... 20 mA
≤ 10 µA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage
0.25 µA/°C
hazardous area into the safe area: band width with 1 V
safe area to hazardous area: band width with 1 V
20 µs
200 µs
20 µs
functional insulation, rated insulation voltage 50 V AC
functional insulation, rated insulation voltage 50 V AC
EN 61326-1:2006
NE 21
IEC 60529
-20 ... 60 °C (-4 ... 140 °F)
IP20
approx. 150 g
20 x 124 x 115 mm (0.8 x 4.9 x 4.5 in) , housing type B2
BAS 99 ATEX 7025 , for additional certificates see www.pepperl-fuchs.com
¬ II (1)GD [EEx ia] IIC (-20 °C ≤ T
EEx ia IIC
25.2 V
93 mA
0.586 W
250 V (Attention! The rated voltage can be lower.)
TÜV 99 ATEX 1499 X , observe statement of conformity
¬ II 3G Ex nA II T4 [device in zone 2]
safe galvanic isolation acc. to EN 50020, voltage peak value 375 V
safe galvanic isolation acc. to EN 50020, voltage peak value 375 V
EN 50014, EN 50020, EN 50021, EN 60079-0, EN 60079-15
116-0173 (cULus)
rms
amb
≤ 60 °C) [circuit(s) in zone 0/1/2]
SS
-signal 0.3 ... 7.5 kHz (-3 dB)
pp
signal 0 ... 7.5 kHz (-3 dB)
Copyright Pepperl+Fuchs, Printed in Germany
KFD2-STC4-Ex2
2