United Security Products AVD-45c Handbuch PDF herunterladen (Seite 119)

1/03 UDC 6300 Process Controller Product Manual 105

4.8 Output Algorithm Data Set Up Group, Continued

Table 4-7 Output Algorithm Group Definitions, continued

Lower Display

Prompt

Upper Display

Range of Setting

or Selection

Parameter

Definition

4-20 RNG

CURRENT DUPLEX RANGE ALGORITHM — Used

with Output Algorithm selections "CUR-DPLX,"

"CUR-TIME", or "TIME-CUR."

50 PCT

CURRENT DUPLEX RANGE (SPLIT) For "CUR

DPLX" this enables the normal control current output

to provide iheat control and the 2nd current output to

provide cool control. To enable this, "CUR OUT 2"

in the “Options” Set up group must be:

•Selected for OUTPUT

• 2ND current output is scaled as desired for

0-50% controller output (4mA set to 50;

20mA set to 0)

• Deadband for this configuration only applies to

the Current output The second current output

must have the Deadband scaled in.

For example:

If a 2% Deadband is desired, then enter a “2.0” for the

“Deadband” selection in the Control group. This will apply

Deadband to the Current Output. In the “Opyions” group,

set the 2nd Current Output “4mA VAL” selection to “49.0”

and the “20mA” selection to “0”.

100PCT

CURRENT DUPLEX RANGE (FULL) enables the

normal control current output to provide duplex

control over 0 - 100% of the controller output by

providing cool control over 4–12 mA and Heat

control over 12–20 mA. The second current output is

not required for this type of duplex operation.

OUTALG 2

NONE

TIME

CURRENT

CUR DPLX

CUR TIME

TIME CUR

The OUTPUT ALGORITHM lets you select the type

of output you want for the second control loop

See "OUTALG" for definitions.

NONE - No selection

TIME - Uses Digital Output 4

CURRENT - Uses second current output

CUR DPLX- Uses second current output

CUR TIME - Digital Output 4 = Heat, Second

Current Output = Cool

TIME CUR - Digital Output 4 = Cool, Second

Current Output = Heat

DO STATE

3OFF 4OFF

3ON 4ON

3OFF 4ON

3ON 4 OFF

DIGITAL OUTPUT STATUS AT 0% OUTPUT -

allows the following selections:

3OFF 4OFF Output 3 de-energized

Output 4 de-energized

3ON 4ON Output 3 energized

Output 4 energized

3OFF 4ON Output 3 de-energized

Output 4 energized

3ON 4 OFF Output 3 energized

Output 4 de-energized

ATTENTION

For units not configured for Time

Duplex, Output 4 is always de-energized.

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