PR 4131 - Universal Trip Amplifier PReasy 4131; Advanced Features; Application; Technical Characteristics

4131V104-UK 7
UNIVERSAL TRIP AMPLIFIER
PReasy 4131
• Input for RTD, TC, Ohm, potentiometer, mA and V
• 2 adjustable alarm limits
• FM-approved for installation in Div. 2
• 2 relay outputs
• Universal AC or DC supply
Advanced features
• Programmableviadetachabledisplayfront(4501),processcalibration,relay
simulation, password protection, error diagnostics and selection of help text
in several languages.
Application
• Processcontrolwith2pairsofpotential-freerelaycontactswhichcanbe
configured to suit any application.
• Tripamplifierwithwindowfonctionallowingtherelaytochangestatewithina
high and a low setpoint on the input span.
• Relaylatchfunction,wheretherelayisactivatedandcanonlybereset
manually.
• Sophisticatedsensorerrorsurveillance,whereonerelayholdsthestate
immediately prior to the sensor error, thus allowing the process to continue.
The other relay can be set for sensor error alarm so that the defect sensor
can be replaced immediately.
Technical characteristics
• When4131isusedincombinationwiththe4501display/programmingfront,
all operational parameters can be modified to suit any application. As the
4131 is designed with electronic hardware switches, it is not necessary to
open the device for setting of DIP-switches.
• AgreenfrontLEDindicatesnormaloperationandmalfunction.AyellowLED
is ON for each active output relay.
• Continuouscheckofvitalstoreddataforsafetyreasons.
• 3-port2.3kVACgalvanicisolation.