Yokogawa ADMAG AXR Uživatelský manuál stáhnout pdf (Strana 124)

<9. OPERATION VIA HART CONFIGURATION TOOL (HART 7)>

9-5

IM 01E30D01-01EN

• Procedure of device variable simulation

Step 1 Call up the

parameter

[Root Menu]→Diagnosis/

Service→Test→Simulate

2 Selection of

Device Variable

Select one parameter from

the list below

Off



PV(Instantanousow

rate)

V (Forward totalization

value)

V (Reverse totalization

value)

V (Differential totalization

value)

% Range (% in output)

oop Current (current

output)

3 Setting of Value Input the simulate value

4 Setting of Data

quality

Select one parameter from

the list below

Bad

Poor accuracy

Manual / Fixed

Good

5 Setting of Limit

status

Select one parameter from

the list below

Not limited

Low limited

High limited

Constant

NOTE

• The total is accumulated from the

instantanousowrate.Therefore,thetotal

dependsontheinstantanousowrate.

• The total simulation is only applied for LCD

display and communication output and does

not affect the totalization value.

• Thesimulationsforowratearereected

to the output. Accordingly, the loop current,

LCD display, and communication output are

directly corresponded to the simulate value.

The alarm output is also available according

to the simulate value.

(3) Squawk

This feature can be used to identify the

communicating device by remotely causing LCD

to display the particular pattern as shown in the

Figure.

“SQUAWK” continues for approximately 60

seconds, then is released automatically.

• P

rocedure to call up the Squawk display

[Root Menu]→Diagnosis/Service→Test→Squawk

→Squawk

9.8.2 Trim Analog Output

This function is used to adjust the analog output at 4

mA and 20 mA with the D/A trim.

(1) D/A trim

Connect a calibration digital ammeter, and then

enter the read value of the ammeter for each

outputofAXR.

• Procedure to call up the D/Atrim display

[Root Menu]Diagnosis/Service→Adjustment→D/A

trim

(2) Clear D/A trim

When output is reset to the original value, clear

the D/A trim.

• Procedure to call up the ClearD/Atrim display

[Root Menu]Diagnosis/Service→Adjustment→Clear

D/A trim

CAUTION

The output adjustment function can match the

4mA and 20mA output to the reference meter

such as a voltmeter. In the output adjustment, it

is necessary to use the calibrated voltmeter and

resistance.

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