Emerson MICRO MOTION 1500, Руководство по конфигурации и использованию, Страница: 160 / 282

150 Micro Motion Series 1000 and Series 2000 Transmitters
Troubleshooting
12.25.1 Obtaining the test points
You can obtain the test points with a Communicator or ProLink II software.
With a Communicator
To obtain the test points with a Communicator:
1. Select Diag/Service .
2. Select
Test Points
.
3. Select Drive .
a. Write down the drive gain.
b. Press EXIT .
4. Select
LPO
.
a. Write down the left pickoff voltage.
b. Press
EXIT
.
5. Select RPO .
a. Write down the right pickoff voltage.
b. Press EXIT .
6. Select
Tube
.
a. Write down the tube frequency.
b. Press
EXIT
.
With ProLink II software
To obtain the test points with ProLink II software:
1. Select
Diagnostic Information
from the
ProLink
menu.
2. Write down the values you find in the Tube Frequency box, the Left Pickoff box, the Right
Pickoff
box, and the
Drive Gain
box.
12.25.2 Evaluating the test points
Use the following guidelines to evaluate the test points:
• If the drive gain is unstable, refer to Section 12.25.3.
• If the value for the left or right pickoff does not equal the appropriate value from Table 12-7,
based on the sensor flow tube frequency, refer to Section 12.25.5
.
• If the values for the left and right pickoffs equal the appropriate values from Table 12-7, based
on the sensor flow tube frequency, record your troubleshooting data and contact the Micro
Motion Customer Service Department for assistance. See Section 12.3.