ALTUS Du351 Manual del producto - Página 8

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Duo Series

Doc. Code: CE113100

Analog Inputs

Number of inputs

Input type

Conversion resolution

Terminal block configuration

Configurable parameters

Protections

Updating Time

Note

Updating time: For product revisions before AX, the updating time is 60 ms total.

Voltage Mode

Precision

Crosstalk DC at 100 Hz

Input impedance

Maximum / minimum voltage

without damage

Filtering

Scale

Scale clearance

Notes

Filtering: the time constant value can vary 10% of its nominal value. The maximum deviation of the constant time value is equal

to the sampling rate. Ex: selecting the 140 ms constant time, the maximum time for the current value with filter to have 63% of

the input value is: 140 ms * 110% + 60 ms = 214 ms. The "Disabled" option is available as of version 1.11 of the MT8200.

Counting: the scale limit may be modified by software, the maximum value is 30000.

Scale clearance: defines the percentage over limit scale that can be read by analog inputs. This characteristic can be used to

compensate possible calibration errors of a used sensor.

Altus S. A.

DU350, DU351

4 non insulated (of logic circuit) analog inputs

Voltage: 0 to 10 Vdc

Current: 0 to 20 mA, 4 to 20 mA

12 bits

AV0 – voltage input channel 0

AI0 – current input channel 0

C9 – common for inputs 0 and 1

AV1 –voltage input channel 1

AI1 –current input channel 1

AV2 –voltage input channel 2

AI2 –current input channel 2

C10 –common for inputs 2 and 3

AV3 –voltage input channel 3

AI3 –current input channel 3

Inputs type for each point, voltage or current

Scale limit for each channel, maximum 30000

First order filtering with preset time constants

TVS diode in all analog inputs

1 ms per channel enabled

DU350, DU351

 0.3% of scale limit @ 25°C

0.015% / ºC of the limit scale

- 30 dB

1.1 M

12 Vdc / -0.3 Vdc

Configurable time constant

Disabled, 90 ms, 140 ms, 1 s or 15 s

Range

Counting

0 – 10 V

0 to 30.000

3 %

DU350, DU351

Revision: G

Sensitivity

2.52 mV