80
Reference Manual
00809-0100-4001, Rev JA
Section 4: Operation and Maintenance
November 2012
AMS Device Manager
Right click on the device and select Calibrate, then Scaled D/A trim from the menu
.
1.
Click Next after setting the control loop to manual.
2.
Select Change to change scale, click Next.
3.
Enter Set scale-Lo output value, click Next.
4.
Enter Set scale-Hi output value, click Next.
5.
Click Next to proceed with Trim.
6.
Click Next after connecting the reference meter.
7.
Click Next at the
Setting fld dev output to 4 mA
screen.
8.
Record the actual value from the reference meter, and enter it at the
Enter meter value
screen and click Next.
9.
Select Yes, if the reference meter value equals the transmitter output value, or No if it
does not. Click Next.
a.
If Yes is selected, proceed to
.
10.
Click Next at the
Setting fld dev output to 20 mA
screen.
11.
Repeat
until the reference meter equals the transmitter output value.
12.
Select Next to acknowledge the loop can be returned to automatic control.
13.
Select Finish to acknowledge the method is complete.
4.4.3
Recall factory trim—analog output
The Recall Factory Trim—Analog Output command allows the restoration of the as-shipped
factory settings of the analog output trim. This command can be useful for recovering from an
inadvertent trim, incorrect Plant Standard or faulty meter. This command is only available with
4-20 mA output.
Field communicator
Traditional 4-20 mA Fast Keys
1, 2, 3, 4, 2
Device Dashboard Fast Keys
3, 4, 3