Flowserve StarPac II Control Valves Manual do Utilizador descarregar pdf (Página 19)

WARNING: Taking the StarPac II unit off line may cause the

valve to stroke unexpectedly. Notify personnel working nearby

that the valve may stroke.

While the C

ALIBRATE menu is open, the system is in Test mode and

will not respond to control signals. To put the unit back on line you

must press the LAST OPTION key until the display prompts you, and

then press ACCEPT. While you are in the C

ALIBRATE menu, the

letter “T” will flash on the right side of the display, indicating that the

unit is in Test mode. The unit may also change the valve position

during some of the calibration processes that could affect the

process if it is not properly isolated. The C

ALIBRATE menu is

arranged as shown in Figure 5 below.

Cal-

brat

Sta-

tus

Con-

Tune

Out1

Out2

In1

In2

P1&

Act-

uatr

Str-

oke

NextP1 P2

Thrm

Psnr

Figure 5: Calibration Menu Tree

Analog Out No. 1 - This option is used to calibrate the first analog

output of the StarPac II device. During the calibration procedure, a

reference milliamp meter should be connected to terminals 9(-) and

10(+) of the terminal block. The display will give instructions to use

the F1 and F2 keys to adjust the signal until the reference meter

reads 4 mA. When the 4 mA value has been accepted, you will be

prompted to set the 20 mA value. If the CANCEL key is pressed at

any time, all of the calibration values are returned to their original

value. The number shown at the end of the second line indicates the

raw D/A value that the unit is outputting, which is only used for

reference during calibration. Configuration of the variable and scaling

for the channel is performed in the C

ONFIGURE menu.

Analog Out No. 2 - This option is used to calibrate the second

analog output of the StarPac II system. During the calibration

procedure a reference milliamp meter should be connected to

terminals 7(-) and 8(+) of the terminal block. The display will give

instructions to use the F1 and F2 keys to adjust the signal until the

reference meter reads 4 mA. When the 4 mA value has been

accepted, the user is then prompted to set the 20 mA value. If the

CANCEL key is pressed at any time, all of the calibration values will

be returned to their original value. The number shown at the end of

the second line indicates the raw D/A value that the unit is

outputting, which is only used for reference during calibration.

Configuration of the variable and scaling for the channel is

performed in the C

ONFIGURE menu.

Analog In No. 1 - This option is used to calibrate the first analog

input of the StarPac II. During the calibration, a reference milliamp

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