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Pepperl+Fuchs 321420

Current Driver Pepperl+Fuchs 321420
Manufacturer
Pepperl+Fuchs
Part number
321420
Country
Germany
Type
Current Driver
Weight (g)
112
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This signal conditioner provides the galvanic isolation between field circuits and control circuits. The device repeats the input signal from a control system to drive SMART I/P converters, electrical valves, and positioners located on the field side. Digital signals are superimposed on the analog values at the field side or control side and are transferred bi-directionally. The current is transferred via a DC/DC converter and repeated at the output terminals. An open field circuit presents a high impedance to the control side to allow alarm conditions to be monitored by the control system. Test sockets for the connection of HART communicators are integrated into the terminals of the device.
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Specifications 321420

General specifications
Signal typeAnalog output
Functional safety related parameters
Safety Integrity Level (SIL)SIL 2
Supply
ConnectionPower Rail or terminals 9+, 10-
Rated voltage19 ... 30 V DC
Ripple&le, 10 %
Rated current&le, 30 mA at 24 V
Power dissipation&le, 600 mW at 20 mA and 500 &Omega, load
Power consumption&le, 700 mW
Input
Connection sidecontrol side
Connectionterminals 5-, 6+
Input signal4 ... 20 mA , limited to approx. 26 mA
Input voltageopen loop voltage of the control system < 30 V
Voltage dropapprox. 6 V at 20 mA
Input resistance> 100 k&Omega,, with field wiring open
Output
Connection sidefield side
Connectionterminals 1+, 2-
Voltage&ge, 18 V at 20 mA
Current4 ... 20 mA
Load0 ... 900 &Omega,
Ripple20 mV rms
Transfer characteristics
Deviationat 20 °C (68 °F), 4 ... 20 mA < 0.1 % of full scale, incl. non-linearity and hysteresis
Influence of ambient temperature< 2 µ,A/K (-20 ... 70 °C (-4 ... 158 °F))
Frequency rangebandwidth at 0.5 Vss signal 0 ... 3 kHz (-3 dB)
Rise time10 to 90 % &le, 10 ms
Galvanic isolation
Input/Outputbasic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Input/power supplybasic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output/power supplyreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Indicators/settings
Display elementsLED
Labelingspace for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Conformity
Electromagnetic compatibilityNE 21:2012 EN 61326-3-2:2008
Degree of protectionIEC 60529
Ambient conditions
Ambient temperature-20 ... 70 °C (-4 ... 158 °F)
Mechanical specifications
Degree of protectionIP20
Connectionscrew terminals
Massapprox. 100 g
Dimensions12.5 x 114 x 124 mm (0.5 x 4.5 x 4.9 inch) , housing type A2
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
Accessories
Optional accessories- power feed module KFD2-EB2(.R4A.B)(.SP) - universal power rail UPR-03(-M)(-S) - profile rail K-DUCT-GY(-UPR-03)