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Emerson 4500 User Manual

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Page of 70
Reference Manual 
00809-0100-4027, Rev AA
December 2005
3-17
Rosemount 4500
AMS 
Right click on the device and select “Device Configuration” then select “SV 
Config” from the menu
.
1. Click Next after setting the control loop to manual.
2. Enter desired scaled variable units in “Enter SV units” box and click 
Next.
3. Select scaled data option: Linear and click Next.
4. Enter pressure value position 1 and click Next.
5. Enter scaled variable position 1 and click Next.
6. Enter pressure value position 2 and click Next.
7. Enter scaled variable position 2 and click Next. 
8. Enter linear offset and click Next. Skip to Step 12.
9. Select Next to acknowledge that “Pressure and Scaled Variable values 
for position 0 set to 0.”
10. Enter pressure value position 1 and click Next.
11. Enter scaled variable position 1 and click Next.
12. Select Next to acknowledge that the loop can be returned to automatic 
control.
13. Select Finish to acknowledge the method is complete.
Re-mapping
The re-mapping function allows the transmitter primary, secondary, and 
tertiary variables to be configured as desired. Default configuration for 
transmitter variables is as shown below:
Primary variable = Pressure
Secondary variable = Temperature
Tertiary variable = Scaled Variable
NOTE
The variable assigned as the primary variable drives the 4-20 mA analog 
output.
The scaled variable can be remapped as the primary variable if desired. 
HART Communicator
From the HOME screen, enter the fast key sequence for “Re-mapping.” 
2. Choose desired primary variable and select Enter.
3. Choose desired secondary variable and select Enter.
4. Select OK to acknowledge the tertiary variable setting.
5. Select OK to acknowledge that the loop can be returned to automatic 
control.
Fast Keys
1, 4, 3, 6, 4