Abbreviations used in Compressor Control System
|
Acronym
|
Description
|
|
Acfm
|
Actual Cubic Feet per Minute
|
|
AI
|
Analog input
|
|
AGC
|
Automatic Gain Compensation
|
|
ALM
|
Alarm
|
|
AO
|
Analog output
|
|
AS
|
Anti Surge
|
|
ASV
|
Anti Surge Valve
|
|
AUT
|
Auto mode
|
|
CCR
|
Central Control Room
|
|
CCS
|
Compressor Control System
|
|
CPU
|
Central Processing Unit
|
|
DCS
|
Distributed Control System
|
|
CCT
|
Controller Configuration Tool
|
|
DC
|
Direct Current
|
|
DI
|
Digital Input
|
|
DIFF
|
Difference failure
|
|
DO
|
Digital Output
|
|
E/D
|
Enable Disable
|
|
EU
|
Engineering Units
|
|
ESD
|
Emergency Shutdown
|
|
PDW
|
Engineering Workstation
|
|
FLT
|
FAULT
|
|
FT
|
Flow Transmitter
|
|
FTM
|
Field Terminal Module
|
|
GAP
|
Graphical Application Programmer
|
|
H
|
High alarm
|
|
HART
|
Highway Addressable Remote Transducer
|
|
HH
|
High High alarm
|
|
HI
|
High
|
|
HMI
|
Human Machine Interface
|
|
HP
|
High Pressure
|
|
HRS
|
Hours
|
|
HSS
|
High Signal Select
|
|
Hz
|
Hertz
|
|
IAMS
|
Instrument Asset Management System
|
|
ID
|
Identification
|
|
IGV
|
Inlet Guide Vane
|
|
ILCK
|
Interlock
|
|
IP
|
Internet Protocol
|
|
I/O
|
Input / Output
|
|
CCS
|
Integrated Turbine Compressor Control
|
|
L
|
Low alarm
|
|
LED
|
Light Emitted Diode
|
|
LGV
|
Last Good value
|
|
LL
|
Low Low alarm
|
|
LSS
|
Low Signal Select
|
|
mA
|
Milliamp
|
|
MAC
|
Main Automation Contractor
|
|
MAN
|
Manual
|
|
MPU
|
Magnetic Pickup
|
|
MTS
|
Maintenance and Training System
|
|
NSD
|
Normal Shutdown
|
|
OP
|
Operating Point
|
|
OPC
|
OLE for Process Control
|
|
OSP
|
Over Speed Protection
|
|
P
|
Pressure
|
|
PAN
|
Process Area Network
|
|
PCS
|
Process Control System
|
|
Pd
|
Discharge Pressure
|
|
PDT
|
Differential Pressure
transmitter |
|
PIB
|
Process Interface Building
|
|
PID
|
Proportional-Integral-Derivative Controller
|
|
PLC
|
Programmable Logic Controller
|
|
PS
|
Suction Pressure
|
|
PT
|
Pressure Transmitter
|
|
PV
|
Process Value
|
|
OLE
|
Object Linking and Embedding
|
|
Qa
|
Actual Flow
|
|
QCR
|
corrected inlet flow,
|
|
Qm
|
Mass Flow
|
|
R/L
|
Raise Lower
|
|
RPM
|
Rounds per Minute
|
|
RPS
|
Repeats per Second
|
|
RST
|
RESET
|
|
S_PV
|
Surge Process Variable
|
|
SCADA
|
Supervisory Control And Data Acquisition
|
|
scfm
|
Standard Cubic Feet per Minute
|
|
SCL
|
Surge Control Line
|
|
SCU
|
System Configuration Utility
|
|
SD
|
Shutdown
|
|
SDD
|
System Design Document
|
|
SEC
|
Seconds
|
|
SLL
|
Surge Limit Line
|
|
SMP
|
Surge Minimum Position
|
|
SP
|
Set Point
|
|
SYSCON
|
System Controller, Primary CPU
|
|
T&T
|
Trip and Throttle
|
|
TCP
|
Transmission Control Protocol
|
|
TCV
|
Temperature Control Valve
|
|
TMR
|
Triple Module Redundant
|
|
TT
|
Temperature Transmitter
|
|
UPS
|
Uninterruptable Power Supply
|
|
VME
|
VERSA Module Eurocard
|
|
Z
|
Compressibility
|