Function; 3-Port Isolation Of Inputs, Outputs And Power Supply - Knick SensoTrans A 20220P0 Series Manual

The strain gauge transmitter periodically samples signals from strain The strain gauge transmitter periodically samples signals from strain
gauges. These signals are converted into output signals proportional gauges. These signals are converted into output signals proportional
to the measured values. to the measured values.
The output signal can be a voltage or a current. The output signal can be a voltage or a current.
3-port isolation with protective separation up to 300 V AC/DC accord- 3-port isolation with protective separation up to 300 V AC/DC accord-
ing to EN 61140 ensures optimum protection of personnel and equip- ing to EN 61140 ensures optimum protection of personnel and equip-
ment as well as unaltered transmission of measuring signals. ment as well as unaltered transmission of measuring signals.

3-Port Isolation of Inputs, Outputs and Power Supply

Inputs
Power supply
Basic Insulation
Working voltage
Overvoltage category
Pollution degree
Protective Separation According to EN 61140 by
Reinforced Insulation According to EN 61010-1
Working voltage
Overvoltage category
Pollution degree
Outputs
up to 300 V AC/DC
II
2
up to 300 V AC/DC
II
2

Function

WARNING!
For applications with
high working voltages,
take measures to prevent
accidental contact and
make sure that there
is suffi cient distance
or insulation between
adjacent devices.
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