Emerson Process Management 1500 manual 5.3Viewing process variables, 5.4.1Using the status LED

Using the Transmitter

5.3Viewing process variables

Process variables include measurements such as mass flow rate, volume flow rate, mass total, volume total, temperature, and density.

To view process variables with ProLink II software:

1.The Process Variables window opens automatically when you first connect to the transmitter.

2.If you have closed the Process Variables window:

a.Open the ProLink menu.

b.Select Process Variables.

5.4Viewing transmitter status and alarms

You can view transmitter status using the status LED or ProLink II.

The transmitter broadcasts alarms whenever a process variable exceeds its defined limits or the transmitter detects a fault condition. Using ProLink II, you can view active alarms and you can view the alarm log. For information regarding all the possible alarms, see Table 11-4.

5.4.1Using the status LED

The status LED is located on the front panel. This LED shows transmitter status as described in Table 5-1.

Table 5-1Transmitter status reported by the status LED

Status LED state	Alarm priority	Definition
Green	No alarm	Normal operating mode
Flashing yellow	No alarm	Zero in progress
Yellow	Low severity alarm	• Alarm condition: will not cause measurement error
		• Outputs continue to report process data
		• This alarm may indicate “Fill not ready” condition,
		e.g., target set to 0, no flow source configured, no
		valves configured.
Red	High severity (critical fault) alarm	• Alarm condition: will cause measurement error
		• Outputs go to configured fault indicators

5.4.2Using ProLink II software

To view current status and alarms with ProLink II software:

1.Click ProLink.

2.Select Status. The status indicators are divided into three categories: Critical, Informational, and Operational. To view the indicators in a category, click on the tab.

•A tab is red if one or more status indicators in that category is on.

•Within the tabs, current status alarms are shown by red status indicators.

32 Micro Motion® Model 1500 Transmitters with the Filling and Dosing Application