The default value for all inputs is “Not in use”, which means that the channel is not
sampled at all, and the output value quality is set accordingly.
Table 52:
Limits for the RTD/mA inputs
Input mode
Description
Not in use
Default selection. Used when the corresponding input is not used.
0...20 mA
Selection for analog DC milliampere current inputs in the input range of 0...20 mA.
Resistance
Selection for RTD inputs in the input range of 0...2000 Ω.
Pt100
Pt250
Ni100
Ni120
Ni250
Cu10
Selection for RTD inputs, when temperature sensor is used. All the selectable sensor
types have their resistance vs. temperature characteristics stored in the module;
default measuring range is -40...200°C.
3.13.2.2
Selection of output value format
Each input has independent
Value unit
settings that are used to select the unit for the
channel output. The default value for the
Value unit
setting is “Dimensionless”.
Input
minimum
and
Input maximum
, and
Value maximum
and
Value minimum
settings have to
be adjusted according to the input channel. The default values for these settings are set to
their maximum and minimum setting values.
When the channel is used for temperature sensor type, set the
Value unit
setting to
“Degrees celsius”. When
Value unit
is set to “Degrees celsius”, the linear scaling is not
possible, but the default range (-40…200 °C) can be set smaller with the
Value maximum
and
Value minimum
settings.
When the channel is used for DC milliampere signal and the application requires a linear
scaling of the input range, the
Value unit
setting value has to be "Dimensionless”, where
the input range can be linearly scaled with settings
Input minimum
and
Input maximum
to
Value minimum
and
Value maximum
. When milliampere is used as an output unit,
Value
unit
has to be "Ampere”. When
Value unit
is set to “Ampere”, the linear scaling is not
possible, but the default range (0…20 mA) can be set smaller with the
Value maximum
and
Value minimum
settings.
When the channel is used for resistance type signals and the application requires a linear
scaling of the input range, the
Value unit
setting value has to be "Dimensionless”, where
the input range can be linearly scaled with the setting
Input minimum
and
Input maximum
to
Value minimum
and
Value maximum
. When resistance is used as an output unit,
Value
unit
has to be "Ohm". When
Value unit
is set to “Ohm”, the linear scaling is not possible,
but the default range (0…2000 Ω) can be set smaller with the
Value maximum
and
Value
minimum
settings.
1MAC059074-MB A
Section 3
Basic functions
615 series ANSI
115
Technical Manual
Summary of Contents for Relion 615 series
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