UFC 3 -430-11
14 February 2001
4-2.1.2
Programmable Logic Controllers ................................................ 4-5
4-2.1.3
Controller Configuration ............................................................... 4-5
4-2.2
Recorders ....................................................................................... 4-5
4-2.3
Totalizers ........................................................................................ 4-5
4-2.4
Indicators ........................................................................................ 4-5
4-2.5
Status Lights .................................................................................. 4-5
4-2.6
Annunciators .................................................................................. 4-6
4-2.6.1
Common Alarms ............................................................................ 4-6
4-2.6.2
Dedicated Alarms .......................................................................... 4-6
4-2.6.3
Annunciator Systems .................................................................... 4-6
4-2.6.4
Alarm Indications ........................................................................... 4-6
4-2.7
Selector Switches .......................................................................... 4-6
4-2.8
Pushbuttons ................................................................................... 4-7
4-2.9
Plant Control Stations ................................................................... 4-7
4-2.9.1
Computers ...................................................................................... 4-7
4-2.9.1.1
Control Limits ................................................................................. 4-7
4-2.9.1.2
Data Overflow Alarm..................................................................... 4-7
4-2.9.1.3
Redundancy ................................................................................... 4-7
4-2.9.2
Monitors .......................................................................................... 4-7
4-2.9.3
Keyboards ...................................................................................... 4-7
4-2.9.4
Printers and Plotters ..................................................................... 4-7
4.2.10
Data Logging .................................................................................. 4-7
4.2.11
Receiver Instruments .................................................................... 4-8
4-2.12
Potentiometer Instruments ........................................................... 4-8
Paragraph
5-1
GENERAL ..................................................................................
5-1
5-2
INDIVIDUAL ITEM REQUIREMENTS ...................................
5-1
5-2.1
Valves..........................................................................................
5-1
5-2.1.1
Control Valves ............................................................................
5-1
5-2.1.1.1
Design Checklist ........................................................................
5-1
5-2.1.1.2
Construction ...............................................................................
5-1
5-2.1.1.3
Sizing ...........................................................................................
5-1
5-2.1.1.4
Maintenance ...............................................................................
5-2
5-2.1.1.5
Location ......................................................................................
5-2
5-2.1.2
Pressure Regulators .................................................................
5-2
5-2.1.3
Solenoid Valves .........................................................................
5-2
5-2.2
Actuators .....................................................................................
5-2
5-2.3
Current to Pneumatic Converters ...........................................
5-2
5-2.4
Dampers .....................................................................................
5-3
5-2.5
Pressure Relief Valves .............................................................
5-3
5-2.6
Rupture Disks ............................................................................
5-3
5-2.7
Level Instruments ......................................................................
5-3
5-2.7.1
Gauge Glasses ..........................................................................
5-3
5-2.7.2
Displacer .....................................................................................
5-3
5-2.7.3
Differential Pressure .................................................................
5-3
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