Serviceline Industrial Sensors
Serviceline Explosion Protection
Not available for purchase
Not available for purchase

SMART Transmitter Power Supply DN421

DN421
  • 1-channel isolated barrier
  • 24 V AC/DC supply
  • 2-wire SMART transmitter
  • Output 4 mA ... 20 mA
  • Low Ex i values
  • Suitable for Hartmann and Braun transmitter

Please note: All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

Datasheet excerpt: Technical data of  DN421

General specifications
Signal typeAnalog input
Supply
Connectionterminals 13+ (L), 15- (N)
Rated voltage20 ... 30 V DC or 20 ... 26.4 V AC
Ripplewithin the supply tolerance
Power consumption2.2 W / 3.1 VA
Input
Connectionterminals 1, 2, 3
Input signal4 ... 20 mA terminals 2+, 3-
Available voltage≥ 16 V at 20 mA terminals 1+, 2-
Output
Connectionterminals 9+, 10-
Load0 ... 750 Ω
Output signal4 ... 20 mA (overload > 25 mA)
Ripplemax. 100 µA rms
Transfer characteristics
Deviationat 20 °C (68 °F), 0/4 ... 20 mA
≤ 20 µA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage
Influence of ambient temperature2 µA/K
Frequency range0.8 ... 15 kHz (-3 dB)
Rise time22 ms
Settling time200 µs
Galvanic isolation
Output/power supplyfunctional insulation acc. to EN 50178, rated insulation voltage 50 V AC
Directive conformity
Electromagnetic compatibility
Directive 89/336/EECEN 61326
Conformity
Degree of protectionIEC 60529
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protectionIP20
Massapprox. 175 g
Dimensions22.5 x 99 x 114.5 mm (0.89 x 3.89 x 4.5 inch)
Height114.5 mm
Width22.5 mm
Depth99 mm
Data for application in connection with hazardous areas
EU-type examination certificateTÜV 05 ATEX 2758
MarkingEx-Hexagon II (2)GD [EEx ib] IIC (-20 °C ≤ Tamb ≤ 60 °C)
InputEEx ib IIC
Supply
Maximum safe voltage250 V (Attention! The rated voltage can be lower.)
Equipmentterminals 1+, 2-
Voltage19.6 V
Current30.4 mA
Power596 mW
Equipmentterminals 2-, 3
Voltage30 V
Current100 mA
Voltage5 V
Current52 mA
Power64 mW
Output
Maximum safe voltage250 V (Attention! The rated voltage can be lower.)
Galvanic isolation
Input/Outputsafe galvanic isolation acc. to EN 50020, voltage peak value 375 V
Input/power supplysafe galvanic isolation acc. to EN 50020, voltage peak value 375 V
Directive conformity
Directive 94/9/ECEN 50014, EN 50020
General information
Supplementary informationEC-Type Examination Certificate, Statement of Conformity, Declaration of Conformity, Attestation of Conformity and instructions have to be observed where applicable. For information see www.pepperl-fuchs.com.

Classifications

SystemClasscode
ECLASS 13.027210119
ECLASS 12.027210119
ECLASS 11.027210119
ECLASS 10.0.127210119
ECLASS 9.027210119
ECLASS 8.027210119
ECLASS 5.127210119
ETIM 9.0EC001485
ETIM 8.0EC001485
ETIM 7.0EC001485
ETIM 6.0EC001485
ETIM 5.0EC001485
UNSPSC 12.132101514

Details: DN421

Datasheet: DN421

DatasheetFile TypeFile Size
Datasheet DN421PDF88 KB
Datenblatt DN421PDF90 KB

Documents: DN421

Short instructions, safety informationFile TypeFile Size
Instruction Manual DN421 / Betriebsanleitung DN421PDF99 KB