QA Quality Assurance
QC Quality Control
QCS Quality Control System
QVCS Qualification and Version Control System (Experion platform feature)
RAID Redundant Array of Inexpensive Disks
RAM Random Access Memory
RAS Remote Access Service (NT web browser feature)
RC Regulatory Control
RCM Redundancy Control Module
RDBMS Relational Database Management System
RFID Radio-frequency Identification
RH Relative Humidity
RHC Remote Hardened Controller
RHMUX Remote Hardened Multiplexer
RIE Remote Instrument Enclosure
RIO Remote I/O
RISC Reduced Instruction Set Computer
RLL Relay Ladder Logic
RMPCT Robust Multivariable Predictive Control Technology
RMS Record Management System (MAS)
Root Mean Squared
RPM Remote Performance Monitoring
RTDB Real-Time Database
RTF Refer To Factory
RTO Real Time Optimization
RTP Remote Terminal Panel
RV Remote Variable
SCA Supply Chain Automation
SCADA Supervisory Control And Data Acquisition
SCAN Supervisory Control and Networking
SCM Smart Coreolis Mass flowmeter
Sequence Control Module
Supply Chain Management
SEER Steam Electric Evaluation & Recording, Software
SEI Software Engineering Institute (Carnegie-Mellon)
SESP Solution Enhancement Support Program
SFN Smart Field Network
SG System Gateway
SHE Safety, Health and Environment
SI Serial Interface
System Infrastructure
SIM Serial Interface Module
Simulation Interface Module
SIO Serial Input/Output
SLC Single Loop Controller
SLIC Select Area, Load, Install, Change Area (to alter Area Database)
SM Safety Manager
SMM Safety Manager Module
SOE Sequence of Events
SP Set Point
SPCI Smart Peripheral Controller Interface
SPC/SQC Statistical Process Control/Statistical Quality Control
SSC Solution Support Center (Honeywell)
SSD Solid State Drive (TDC 2000)
SSS Site Support Specialist
ST3000 Smart Transmitter (pressure measurement)
STC Smartline Technology Center
Std. Standard
STDC Smart Transmitter Digital Communication
STI Smart Transmitter Interface
STIF Smart Transmitter Interface
STI-MV Smart Transmitter Interface Multi-Variable
STIM Smart Transmitter Interface Module
STR System Trouble Report (TAC software)
STT3000 Smart Transmitter (temperature measurement)
TAC Technical Assistance Center
TAPPI Technical Association for Pulp and Paper Industries
TAS Terminal Automation Solutions
TC,T/C Thermocouple
TCC Thermofor Catalytic Cracker (refinery)
TCF Totally Chlorine Free (pulp)
Technical Construction File (EC Compliance)
TCM Task Control Module
Total Cost Management
TD Trend Display
TDC Total Distributed Control
TLC Tie Line Control
TMM Task Monitor Module
TMP Thermomechanical Pulp
TMR Triple Modular Redundant (Triconex)
TP TotalPlant
TPB TotalPlant Batch
TPDG Turbo Peripheral Display Generator (UxS)
TPS TotalPlant Solution System (successor to TDC 3000x)
UBC Uniform Building Code of the International Conference of Building Officials
UCC Uniform Commercial Code
UCN Universal Control Network
UDC Universal Digital Controller
UIS User Input Subcommittee
UL Underwriters Laboratories
UOP United Oil Products
UPN Universal Process Network
UPS Uninterruptable Power Supply
Universal Power Supply
URL Uniform Resource Locater (Internet pathname/address)
US Universal Station
UWS Universal Work Station
WAN Wide Area Network
WSI Work Station Interface (UxS)