4 alerts and alarms, 1 events history, 2 current alarms – Flowserve Logix 520MD+ DD User Manual

Page 9: 1 priority alarm, 2 modes, 1 mode status 1, 2 mode status 2, 3 status bytes, 1 unmasked status bytes, 1 startup status

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DD User Manual - Logix® 520MD+ Series Digital Positioner FCD-LGENSF0013-01

© Flowserve Corporation

9


4 ALERTS AND ALARMS

View and manage alerts and alarms.

4.1

Events History

View the complete list of events (alarms, calibrations etc.).
The latest event is shown first. Select OK to view previous
events.

4.2

Current Alarms

View the current status of all alarms.

4.2.1

Priority Alarm

View the top priority alarm. Other alarms may be active.
This alarm may be the root of the issue.

4.2.2

Modes

View the modes or behavior configurations of the positioner.

4.2.2.1

Mode Status 1

View the status of Digital Command, Tight Shut Off, Pressure
Control, Soft Stop, and Backup Control modes.

4.2.2.2

Mode Status 2

View the status of Continuous Stroke Test, Training In
Progress, Training Complete, Event Capture, Local Interface
Lock, and Squawk modes.

4.3

Status Bytes

View a comprehensive list of status indicators. Mask
unwanted alerts and alarms.

4.3.1

Unmasked Status Bytes

View the condition of each status indicator before masking.
Masking prevents specific alerts and alarms from being
included in the command 48 feedback.

4.3.1.1

Startup Status

View status of Power ON, Initializing, Stroke Calibration
Required, Pressure Calibration Required, and Friction
Calibration Required.

4.3.1.2

Mode Status 1

View status of Digital Command Mode, Tight Shut Off Mode,
Pressure Control Locked, Soft Stop High Limit Alert, and Soft
Stop Low Limit Alert.

4.3.1.3

Mode Status 2

View status of Continuous Stroke Test Mode, Training Mode
In Progress, Training Mode Completed, Event Captured,
Local Interface Off, and Squawk Mode.

4.3.1.4

Calibration Status

View status of Stroke Calibration in Progress, Setting Inner
Loop Offset, Pressure Calibration in Progress, Friction

Calibration in Progress, Command Input Calibration in
Progress, Analog Output Calibration In Progress, and Jog
Calibration Set 100% Position.

4.3.1.5

Calibration Error Status 1

View status of Position Range Too Small, Position Sensor
Below ADC Range, Position Sensor Above ADC Range, No
Motion Time Out, Settle Time Out, and Inner Loop Offset
Time Out.

4.3.1.6

Calibration Error Status 2

View status of Analog Output Range Too Small, Command
Input Range Too Small, Command Input Below ADC Range,
Command Input Above ADC Range, Stroke Shift, Stroke
Span Increase , and Stroke Span Decrease .

4.3.1.7

Electronic Configuration Status

View status of Aux Card 1 Present, Aux Card 2 Present,
Pressure Sensor Board Present, and LCD Present.

4.3.1.8

Mode States Status

View status of Factory Reset State, Calibration in Progress,
Signature or Partial Stroke Test in Progress, Jog Command
Mode, Partial Stroke Test Scheduled, and DI Command
Override.

4.3.1.9

Feedback Loop Status

View status of Position Deviation Alarm, Position Sensor
Failure Alarm, Valve Opened Too Far Warning, Valve Closed
Too Far Warning, Backlash Warning, Backlash Alarm, Partial
Stroke Test Failed Warning, and Continuous Stroke Test
Failed Warning.

4.3.1.10

Position Status

View status of Position High Limit Alert, Position Low Limit
Alert and Feedback Linkage Alarm.

4.3.1.11

Cycles/Travel status

View status of Valve Cycles Warning, Valve Travel Warning,
Actuator Cycles Warning, Actuator Travel Warning, Bellows
Cycles Warning, Bellows Travel Warning, Pilot Relay Cycles
Warning, and Pilot Relay Travel Warning.

4.3.1.12

Actuation Status

View status of Supply Pressure High Warning, Supply
Pressure Low Warning, Supply Pressure Low Alarm,
Actuation Ratio Warning, Spring Unable to Fail Safe
Warning, Pneumatic Leak Warning, Air Supply Humid
Warning, and Air Supply Icing Warning.

4.3.1.13

Friction Status

View status of Friction High Warning, Friction High Alarm,
Friction Low Warning, Friction Low Alarm, Valve Can't Open
Alarm, and Valve Can't Shut Alarm.

4.3.1.14

Control Status

View status of Command Frequency Warning, Command
Frequency Alarm, Command Amplitude Warning, Command
Amplitude Alarm, Position Frequency Warning, Position
Frequency Alarm, Position Amplitude Warning, and Position
Amplitude Alarm.

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