Emerson 3051S Especificações descarregar pdf (Página 94)

Reference Manual

00809-0100-4001, Rev JA

Section 4: Operation and Maintenance

November 2012

Operation and maintenance

AMS Device Manager

Right click on the device and select Calibrate, then Sensor trim” from the menu.

1. Select Lower sensor trim. The lower sensor trim value should be the sensor trim point

that is closest to zero.

2. Click Next after setting the control loop to manual.

3. Click Next after applying appropriate pressure to sensor.

4. Select Next to acknowledge the loop can be returned to automatic control.

5. Select Finish to acknowledge the method is complete.

6. Right click on the device and select Calibrate, select Sensor trim from the menu

7. Select Upper sensor trim and repeat steps 5.

4.5.4 Recall factory trim—sensor trim

The Recall Factory Trim—Sensor Trim command allows the restoration of the as-shipped factory

settings of the sensor trim. This command can be useful for recovering from an inadvertent zero

trim of an absolute pressure unit or inaccurate pressure source. This command is only available

with 4-20 mA output.

Field communicator

AMS Device Manager

Right click on the device and select Calibrate, then Recall Factory Trim from the menu.

1. Click Next after setting the control loop to manual.

2. Select “Sensor trim” under Trim to recall and click Next.

3. Click Next to acknowledge restoration of trim values is complete.

4. Select Next to acknowledge the loop can be returned to automatic control.

5. Select Finish to acknowledge the method is complete.

4.5.5 Line pressure effect (range 2 and range 3)

The following specifications show the static pressure effect for the Rosemount 3051 Range 2

and Range 3 pressure transmitters used in differential pressure applications where line pressure

exceeds 2000 psi (138 bar).

4-20 mA Fast Keys

1, 2, 3, 4, 1

Device Dashboard Fast Keys

3, 4, 3

1 2 ... 89 90 91 92 93 94 95 96 97 98 99 ... 221 222

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Emerson 3051S Especificações Página 94