How To Dismantle System 4000; Advanced Features; Application; Technical Characteristics - PR PREASY 4222 Manual

Universal i/f converter

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HOW TO DISMANTLE SYSTEM 4000

First, remember to demount the connectors with hazardous voltages.

Picture 1:

Detach the module from the DIN rail

by lifting the bottom lock.

UNIVERSAL I/f CONVERTER

PREASY 4222

• Input for RTD, TC, Ohm, potentiometer, mA and V

• Frequency output NPN, PNP and TTL

• Generates frequencies from 0.001...25000 Hz

• 2-wire supply > 16 V

• Universal AC or DC supply

• Programmable by way of detachable display front (4501), process calibration,

signal simulation, password protection, error diagnostics and help text available

in several languages.

• Linearised, electronic temperature measurement with RTD or TC sensor.

• Conversion of linear resistance variation to a frequency signal, e.g. from solenoids

and butterfly valves or linear movements with attached potentiometer.

• Power supply and signal isolator for 2-wire transmitters.

• Process control by way of a frequency signal transmitted to e.g. a PLC or a

process computer.

• Galvanic separation and conversion of analogue signals to frequency signals.

• When 4222 is used in combination with the 4501 display / programming front,

all operational parameters can be modified to suit any application. As the 4222

is designed with electronic hardware switches, it is not necessary to open the

module for setting of DIP-switches.

• A green front LED indicates normal operation.

• Continuous check of vital stored data for safety reasons.

• 3-port 2.3 kVAC galvanic isolation.

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