Yokogawa DAQWORX Manuel d'utilisateur télécharger pdf (Page 132)

6-5

IM WX104-01E

Index

Configuring the DX1000/DX2000

Input Type (Mode and Range/Type)

Correspondence between difference computation, scaling, and square root computation

([DELTA], [SCALE], and [SQRT]) is as follows.

Mode OFF DELTA SCALE SQRT

SKIP Yes No No No

VOLT (voltage) Yes Yes Yes Yes

TC (thermocouple) Yes Yes Yes No

RTD (resistance temperature detector) Yes Yes Yes No

DI (voltage level/contact input) Yes Yes Yes No

1-5 V No No Yes No

The values in the Range/Type list box vary depending on the above settings.

The following input types have been added in release number 3.

Mode Input Type Description

TC Type XK XK GOST, /N3 option

RTD Pt100G Pt100GOST, /N3 option

Cu100G Cu100GOST, /N3 option

Cu50G Cu50GOST, /N3 option

Cu10G Cu10GOST, /N3 option

Pt46G Pt46GOST, /N3 option

The following input types have been added in release number 4.

Mode Input Type Description

RTD Pt200W Pt200 (WEED), /N3 option

Span L, Span U

Input range. The selectable range is displayed on the screen. The selectable range for

Type N has been expanded (from –270.0 to 1300.0°C) in release number 3.

Note

• You cannot set the same value to [Span L] and [Span U].

• When the [Mode] is [1-5V] or [Sqrt], [Span L] must be less than [Span U].

Linear Scaling (SCALE)

Converts the unit to obtain the measured value.

• Scale L, Scale U

Input range after converting the unit. The selectable range is from –30000 to 30000.

• Point

Set the number of digits to the right the decimal to four digits or less (0 to 4).

Note

• The DX converts the measured value to a value obtained by removing the decimal point

from the value span specified by [Scale L] and [Scale U]. For example, if the scale setting is

“–5 to 5,” the value is converted to a value within the span of “10”; if the scale setting is “–5.0

to 5.0,” the value is converted to a value within a span of “100.” In this case, the resolution

of the value converted to a span of “10” is lower than the value converted to a span of “100.”

To prevent the display from becoming rough, it is recommended that the scale be set so that

this value is greater than 100.

• You cannot set the same value to [Scale L and [Scale U].

• When the [Mode] is [1-5V] or [Sqrt], [Scale L] must be less than [Scale U].

Difference Computation (DELTA)

Displays the difference between the input and the reference channel.

If difference computation is performed between channels that have different range and

type settings, the decimal position of the computed result is set to that of the channel

computing the difference. If the number of digits to the right of the decimal of the

reference channel is greater than that of the channel computing the difference, the

reference value below the least significant digit of the channel computing difference is

rounded beforehand.

6.2 Setting the Measurement Channels, Ext. Channels

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Yokogawa DAQWORX Manuel d'utilisateur Page 132

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