Samstuf™— VENDOR-SPECIFIC SYSTEM ACRONYMS:
Beyond Distributed Process Control Return to JAOMAD home
Only some of the mysterious acronyms used through different vintages of systems by:
ABB - Asea Brown Boveri [Taylor MOD III, MOD 30, MOD 300];
[ABB Advant, Master,
Industrial-IT, System800xA]
ABB - Bailey Controls (Elsag Bailey, now ABB Harmony) [Network 90, INFI-90]
ABB - Elsag Bailey Fischer & Porter, now ABB Harmony [DCI-4000, DCI-5000, DCI System Six]
ABB - Elsag Bailey Hartmann & Braun, now ABB Melody [Contronic S, Contronic P, Digimatik Freelance 2000]
Fisher Controls, now Emerson Process Management (EPM) [PRoVOX]
Fisher-Rosemount Systems Division (FRSD), now Emerson Process Management (EPM) [DeltaV]
Foxboro, now Invensys-Foxboro [I/A Series, Foxboro A2, E$CS]
Honeywell [TDC2000, TDC3000, TPS, TPA, PlantScape, ExperionPKS, HC900, UMC800]
GSE Systems (formerly EMC, then Rexnord, then Texas Instrument) [D/3]
MAX Control Systems, Inc., formerly Leeds & Northrup, now Metso Automation [MAX 1, MAX 1000, MAXDNA]
Moore Products, now Siemens [Moore MYCRO, MYCRO II, APACS, QUADLOG, Procidia]
Rockwell Automation (Allen-Bradley) [ControlLogix; ProcessLogix, RSView, PlantPAx, etc.]
Rosemount, now Emerson Process Management (EPM) [System 3, RS-3]
Schneider Electric [Modicon, Merlin Gerin, Telemecanique, Square D
Siemens [PCS-7, Teleperm, SPPA-T1000, SPPA-T3000]
Yokogawa; formerly in US, Johnson Yokogawa (JYC, YCA) [mXL, CENTUM-XL, CS3000, CS1000, STARDOM]
Westinghouse, now Emerson Power & Water Solutions (EPWS) [WDPF, WDPF-II, Ovation]
For Generic acronyms, see Glossary, Acronyms, & Abreviations - Beyond Distributed Process Control
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
...Sam Herb 02 June 09
-A-
AASP—Advanced Applications Support Package (ABB)
ABC—A Bus Converter (Yokogawa)
ABU—Analog Back-up Unit (ABB-F&P)
AC—Application Computer (EPM-Fisher)
ACC—Analog Card Cage (EPM-Rosemount)
ACE—Application Control (Execution) Environment (Honeywell)
ACIDP—Advanced Control Interface Data Point (Honeywell)
ACG—A Communications Gateway (Yokogawa)
ACM—Advanced Control Module (Siemens-Moore);
—Alarm Configuration Manager (Honeywell)ACS—Analog Control Station (ABB-Bailey);
—Area CRT Station (Siemens-Moore)
ADC—Automatic Data Capture (Invensys-Foxboro)
ADL—Animated Loop Drawing (Invensys-Foxboro)
ADP—Annunciator Display Panel (ABB-Bailey)
ADS—Annunciator/Display Select panel (ABB-Bailey);
—Automatic Data capture configuration Software (Invensys-Foxboro)ADU—Automatic Database Update (Honeywell)
AEA—Alarm and Event Metrics Analysis (Honeywell)
AEM—Automation Equipment Manager (Invensys-Foxboro)
AFEG—Area-Facility-Equipment-Generic name configuration method (Metso-L&N-MAX)
AFM—Advanced Formula Manager (Honeywell)
Afw—Aspect framework (ABB)
AIDA—Advanced IDentification and Analysis tool kit (Yokogawa)
AI/ES—Artificial Intelligence/Expert Systems (ABB)
AIINT—Analog Input Intrinsically safe Terminal panel (GSE Systems)
AIP—Aspect Integrator Platform (ABB)*
AIS—Application Interface Software (Invensys-Foxboro)
AITP—Analog Input Terminal Panel (GSE Systems)
AIV/F—Analog Input Voltage to Frequency board (GSE Systems)
ALG—Algorithm card in controller (Honeywell), (Metso-L&N-MAX)
AM/R—Redundant Application Module card (Honeywell)
AM—Application Module (Honeywell)
AMC—Advanced Multifunction Controller (Honeywell)
AMM—Analog Master Module (ABB-Bailey)
AMPL—ABB MasterPiece Language (ABB)
AMS—Asset Management Solutions (EPM)
AMW—Alarm Mode Word (Metso-L&N-MAX)
ANK—AlphaNumeric Keyboard (ABB)
AOA—Advanced Opertions Assistance (Yokogawa)
AOI—Add-On Instructions view (AB-Rockwell)
AOM—Analog Output Module (ABB-Bailey), (Invensys-IPS)
AOV—Aspect Object Viewer (ABB)
AP—Applications Processor (Metso-L&N-MAX), (Invensys-Foxboro)
APACS—Advanced Process Automation and Control System (Siemens-Moore)
APC—Advanced Process Control (Yokogawa)
APCS—Advanced Process Control Suite (Yokogawa)
API—Application Programming Interface (ABB)
APM—Advanced Process Module [also …Manager] (Honeywell);
—Application Process Module [also …Manager] (Honeywell)APP—Application Processing Platform (Honeywell)
APPF—Application Portfolio (Yokogawa)
ARM—Archive Replay Module (Honeywell)
ASDF—Active Station Data File; active memory in Operator Station (Metso-L&N-MAX)
ASE—Authority & Security Enhancements (ABB)
ASM—Analog Slave Module (ABB-Bailey);
—Abnormal Situation Management (Honeywell)AST—Applied System Technology (Honeywell)
ATB—Analog Terminal Buffer; also: Board (Metso-L&N-MAX)
ATS—Address Translation System (Invensys-Foxboro)
AUX—AUXiliary CRT station (Siemens-Moore)
AW—Application Workstation (Invensys-Foxboro)
AWS—Area Work Station (Siemens-Moore)
AXM—Application Module X (Honeywell)
-B-
BBU—Battery Back Up (Honeywell)
BC—Basic Controller (Honeywell)
BCM—Batch Data Manager (EPM);
—BizCalc Manager (Honeywell)BCS—Basic CRT Station (Siemens-Moore)
BCV—Bus ConVerter (Yokogawa)
BDM—Batch Data Manager (EPM-Fisher)
BIM—Bus Interface Module (ABB-Bailey), (Honeywell)
BM—Bubble Memory (EPM-Rosemount)
BMI—Backup Multiplexer Interface (GSE Systems)
BMM—Backup Memory Module (ABB)
BOS—Basic Operator Station (Honeywell)
BPC—Block Processing Cycle (Invensys-Foxboro)
BPOL—Batch Problem Oriented Language (EPWS-Westinghouse)
BPU—Batch Processing Unit (EPWS-Westinghouse)
BRC—BRidge Controller (ABB-Bailey)
BS—Batch Server (Siemens-Moore)
BSL—Bit Shift Left instruction (AB-Rockwell)
BSM—Bus Switching Module (ABB)
BSR—Bit Shift Right instruction (AB-Rockwell)
-C-
CAB—Custom Algorithm Blocks (Honeywell)
—Client Application Builder (Siemens)CAI—Critical Analog Input module (Siemens-Moore)
CAPE—Computer Aided Plant Engineering (ABB)
CAT—Current Adjusting Type control (Metso-L&N-MAX);
—Custom Application Toolkit (ABB-Bailey)CB—Basic Controller (Honeywell-TDC2000);
—Control Builder (Honeywell)CBA—Component Based Automation (Siemens)
CBC—Batch Command Controller (ABB-Bailey)
CBF—Control Builder F (ABB)
CBLI—Carrier Band LAN Interface (Invensys-Foxboro)
CBP—Compound Block Parameter (Invensys-Foxboro)
CBU—Contact Back-up Unit (ABB-F&P)
CCE—Control Execution Environment (Honeywell)
CCF—Configurable Control Function (ABB);
—Continuous Control Function (ABB)CCL—Configurable Control Language (ABB-F&P)
CCM—Critical Control Module (Siemens-Moore)
CCS—Configurable CRT Station (Siemens-Moore)
CDK—Configuration Tool Kit (ABB)
CDM—Critical Discrete Module (Siemens-Moore)
CDOS—Control Desktop Open Server (EPM-Fisher)
CDS—Custom Data Segment (Honeywell)
CEB—Computer Expansion Backplane (Siemens-Moore)
CEE—Control Execution Environment (Honeywell)
CEM—Computer Expansion Module (Siemens-Moore)
CENG—Control Engine (Siemens-Moore)
CEU—Customer Engineering Unit (ABB-F&P)
CF—Control File (EPM-Rosemount)
CG—Computer Gateway (Honeywell)
CHIP—Computer/Highway Interface Package (EPM-Fisher)
CIA—Communications Interface Assembly (EPM-Fisher)
CIC—Computer Interface Command (ABB)
CINP—Configuration Input Pointer; for "softwiring" algorithms (Metso-L&N-MAX)
CIOM-A—Chassis Input/Output Module seriesA (Honeywell)
CIP—Common Industrial Protocol (Rockwell-Allen Bradley)
CIS—Controller Interface Slave Module (ABB-Bailey)
CIU—Computer Interface Unit (ABB-Bailey)
CKU—Checkpoint Unit for back-up units (ABB-F&P)
CL/AM—Control Language / Application Module (Honeywell)
CL/MC—Control Language / Multifunction Controller (Honeywell)
CL/PM—Control Language / Process Module (Honeywell)
CLC—Loop Command Module (ABB-Bailey)
CL—Control Language (Honeywell)
CLM—Communication Link Module (Honeywell)
CLS—Configuration & Loading System (ABB-Bailey);
—Communications Line Server (Invensys-Foxboro)CM—Computing Module (Honeywell);
—Control Module (ABB); (AB-Rockwell)CMC—Command Management Center (ABB-F&P)
CMP—Communication Processor Family (Invensys-Foxboro)
CMS—Command Management System (ABB-F&P)
CNB—ControlNet Bridge (AB-Rockwell)
CNBR—ControlNet Bridge Redundant (AB-Rockwell)
CNI—Computer Network Interface (Honeywell)
COM—Controller Module (ABB-Bailey)
COP—Central Operator Panel (ABB-F&P);
—COordinator Processor (EPM-Rosemount)COPE—CPU, OPTOnet, Power, and dual Ethernet (Invensys-Foxboro)
CPC—Critical Process Controller (Honeywell)
CP—Control Processor (Invensys-Foxboro), (EPM-Rosemount);
—Communication Processor (Invensys-Foxboro), (Siemens);
—Coordinator Processor card (EPM-Rosemount)CPAS—Collaborative Process Automation Systems (ABB)
CPC—Critical Process Controller (Honeywell)
CPM—Control Processor Module (Honeywell)
CRDP—Calculated Result Data Point (Honeywell)
CSA—Compound Summary Access (Invensys-Foxboro)
CSC—Sequence Command Control (ABB-Bailey)
CSD—Control Strategy Diagram (Invensys-Foxboro)
CSIM—Control SIMulator (Siemens-Moore)
CSP—Client Server Protocol (Rockwell-Allen Bradley)
CTB—Customer Termination Board (ABB-F&P)
CTM—Configuration Tuning Module (ABB-Bailey)
CTS—Change Tracking Server (Invensys-Foxboro)
CTT—Configuration & Tuning Terminal (ABB-Bailey)
-D-
D/F—DCN-to-File Bus module (ABB)
D/M—DCN-to-Multibus module (ABB)
DAC POL—Data Acquisition and Control Problem Oriented Language (EPWS-Westinghouse)
DAI—Digimatik Analog Input module (ABB-H&B)
DAO—Digimatik Analog Output module (ABB-H&B)
DAQA—Data acquisition analog controller card (Metso-L&N-MAX)
DAQD—Data acquisition digital controller card (Metso-L&N-MAX)
DAS—Data Acquisition Station (Siemens-Moore)
DAT—Duration Adjusting Type control (Metso-L&N-MAX)
DAV—Dot Addressable Video card (Metso-L&N-MAX)
DBA—Data Base Automation tool (Siemens)
DBU—Digital Back-Up controller board (ABB-F&P)
DC—Data Computing drop (EPWS-Westinghouse)
DCD—Discrete Control Device (EPM-Fisher)
DCI—Distributed Control Instrumentation (ABB-F&P);
—Distributed Communication Interface (Invensys-Foxboro)DCIU—Data Control & Interchange Unit (Invensys-Foxboro)
DCM/C—Display Control Module Configurator (GSE Systems)
DCM—Display Control Module (GSE Systems)
DCN—Distributed Communication Network (ABB)
DCO—Digimatik COmmunication module (ABB-H&B)
DCP—Digital Control Programmer (Honeywell)
DCS—Digital Control Station (ABB-Bailey);
—Distribution Control System (Honeywell);
—Dynamic Configuration System (also Honeywell)DCT—Display Center Terminal (ABB-F&P)
DCU—Distributed Control Unit (ABB-F&P);
—Data Concentrator Unit (EPM-Fisher)DDA—Data Definition and Access (Honeywell)
DDI—Digimatik Digital Input module (ABB-H&B)
DDO—Digimatik Digital Output module (ABB-H&B)
DDP—Detail Display Parameter (EPM-Fisher)
DDT—Data Definition Table (Honeywell)
D-E-B—Direct Energy Balance technique of boiler/turbine control (Metso-L&N-MAX)
DEM—Democratic or Demand Multiplexing (EPWS-Westinghouse)
DEP—Data Entry Panel (Honeywell)
D-ES—Digimatik Engineering Station (ABB-H&B)
DHC—Data Highway Controller (EPWS-Westinghouse)
DH—Data Historian (EPM-FRSD)
DHCP—Dynamic Host Configuration Protocol (Honeywell)
DHEB—Data Hiway Ethernet Bridge (Honeywell)
DHI—Data Highway Interface (EPM-Fisher)
DHP—Data Hiway Port (Honeywell)
DHRIO—Data Highway Plus Remote Communication Interface Module (AB-Rockwell)
DHS—Distributed Historian Station (Siemens-Moore)
DHW—Data Highway (Honeywell), (Metso-L&N-MAX)
DIAT—Duration Impulse Adjusting Type (Metso-L&N-MAX)
DILTP—Digital Input Low-level Terminal Panel (GSE Systems)
DIO—Distributed I/O (Rockwell A-B)
DIOB—Distributed I/O Bus (EPWS-Westinghouse)
DIS—Digital Indicator Station (ABB-Bailey)
—Data Integration Services (Siemens)DISOE—Digital Input Sequence Of Events (Honeywell)
DLC—Dual Local operator Console (ABB-F&P)
DLS—Digital Logic Station (ABB-Bailey)
DM—Display Manager (Invensys-Foxboro);
—Data Manager (ABB)
—Design Module (Honeywell-Alcont)DMC—Data Management Center (ABB-F&P)
DMM—Dynamic Maintenance Management (Invensys-Foxboro)
DMTP—Digital Module input/output Terminal Panel (GSE Systems)
DNA—Dynamic Network of Applications (Metso)
DNB—DeviceNet Bridge (AB-Rockwell)
DNBI—Dual NodeBus Interface (Invensys-IPS)
DNBT—Dual Nodebus 10Base-T Interface (Invensys-IPS)
DOC—Distributed Operator's Console (ABB-F&P)
DORTP—Digital Output Relay Terminal Panel (GSE Systems)
D-OS—Digimatik Operator Station (ABB-H&B)
DP—Data Points in controller or DPU (Metso-L&N-MAX)
DPM—Dynamic Performance Module (Invensys-Foxboro)
DPR—Digital Process Reporter (Honeywell)
D-PS—Digimatik Process Station (ABB-H&B)
DPU—Data Processing Unit equipment (Metso-L&N-MAX), (EPWS-Westinghouse)
DPV—Distributed Peripherals Version (Invensys-Foxboro)
DPW—Digimatik PoWer Supply (ABB-H&B)
DRM—Device Relationship Management (Invensys-IPS)
DSA—Distributed System Architecture (Honeywell)
DSM—Digital Slave Module (ABB-Bailey)
DSR—Historical Data Storage and Retrieval drop (EPWS-Westinghouse)\
DSS—Dynamic Simulation Suite (Invensys-Foxboro/SimSci-Esscor)
DST—Device Signal Tags (EPM)
DTB—Digital Terminal Buffer; also: Board (Metso-L&N-MAX)
DTS—Digital Test Set (EPWS-Westinghouse)
DVM—Digital Video Manager (Honeywell)
-E-
EAI—Enhanced Isolated Analog Input (Invensys-IPS)
EAM—Enhanced Analog Module (Siemens-Moore)
EC—Extended Controller (Honeywell)
ECB—Equipment Control Block (Invensys-Foxboro)
ECS—Enterprise Control System (Invensy-IPS)
—Enterprise Connectivity Solutions (ABB)EDC—Event Driven Communications module (Siemens)
EDCD—Extended Discrete Control Device (EPM-Fisher)
EDFS—Single electronics pkg., remote console, Centum-XL (Yokogawa)
EDFW—Dual electronics pkg., remote console, Centum-XL (Yokogawa)
EDI—Enhanced Digital Input (Invensys-IPS)
EDO—Enhanced Digital Output (Invensys-IPS)
EDS—Engineering Development Station (Siemens-Moore)
EED—Early Event Detection (Honeywell)
EFCD—Field control Unit, Dual processor, Centum-XL (Yokogawa)
EFCS—Field control Unit, Single processor, Centum-XL (Yokogawa)
EFGW—Field GateWay, Centum -XL (Yokogawa)
EFMS—Field Monitor System, Centum -XL (Yokogawa)
EFS—Extended Frame Services (Invensys-Foxboro)
EFUD—Field control Station, Dual processor, Centum-XL (Yokogawa)
EFUS—Field control Station, Single processor, Centum-XL (Yokogawa)
EHM—Event History Module (Honeywell);
—Equipment Health Management (Honeywell)EIC—External Interface Card (EPM-Fisher)
EICM—Enhanced Intelligent Communications Module (Invensys-IPS)
EIM—Ethernet Interface Module (Honeywell)
ELPM—Ethernet Loop Processor Module (Honeywell);
EMCD—Master Control station, Single, Centum-XL (Yokogawa)
EMCS—Master Control station, dual, Centum-XL (Yokogawa)
EMX—Expanded MUltipleXer controller (EPM-Fisher)
ENB—EtherNet Bridge (AB-Rockwell)
ENBT—EtherNet Bridge Twisted Pair Media (AB-Rockwell)
ENET—Ethernet Communication Interface (AB-Rockwell)
ENGS—Engineering Station, Centum-XL (Yokogawa)
EOPC—Primary Operator Console, Centum-XL (Yokogawa)
EOPS—Operator Console w/o electronics, Centum-XL (Yokogawa)
EOS—Enhanced Operator Station (Honeywell)
EPKS—Experion Process Knowledge System (Honeywell)
EPM—Equipment Performance Manager (ABB)
—Enterprise Production Management (ABB)EPUS—Engineering Personality Universal Station (Honeywell)
e-RM—electronic Realtime Manufacturing (Yokogawa)
ERO—Enhanced Relay Output (Invensys-IPS)
ES—Engineering Station (EPWS-Westinghouse);
—Experion Station (Honeywell)ES-C—Experion Station Console (Honeywell)
ES-CE—Experion Station Console Extension (Honeywell)
ES-F—Experion Station Flex (Honeywell)
ESP—Ensure Safe Production (Honeywell)
ES-T—Experion Station TPS (Honeywell)
ES-TE—Experion Station TPS (Honeywell)
ESVT—Experion SerVer TPS Extensions (Honeywell)
ETCS—Emulation Test Control Station, Centum-XL (Yokogawa)
ETP—External Termination Panel (Invensys-Triconex)
EWEB—EtherNet Web Server (AB-Rockwell)
EWS—Engineering Work Station (ABB-Bailey), (Metso-L&N-MAX), (Siemens-Moore), (AB-Rockwell)
EXASMOC—Multivariable Optimizing Controller (Yokogawa)
EXARQE—Robust Quality Estimator (Yokogawa)
EXACOAST—Control Application Standards (Yokogawa)
EXCEL—EXtended Control Engineering Language (software) (Metso-L&N-MAX)
-F-
FBC—Field Bus Card (Invensys-Foxboro)
FBI—Field Bus Isolator (Invensys-Foxboro)
FBM—Field Bus Module (Invensys-Foxboro)
FBT—Field Bus Terminator (Invensys-Foxboro)
F-Bus—File-Bus (ABB)
FBW—Function Block Wizard (Siemens-Moore)
FCA/R—Fiber-to-Copper Adapter/Repeaters (Honeywell)
FCE—Function Chart Editor (ABB)
FCJ—Field Control Junction (Yokogawa)
FCM—Function Class Modules (ABB);
—Fieldbus Communication Module (Invensys-Foxboro)FCN—Field Control Node (Yokogawa)
FCP—Field Control Processor (Invensys-Foxboro)
FCS—Field Control Station (Yokogawa)
FD—Foreign Device (Invensys-Foxboro)
FDCM—Field Device Configuration manager (Honeywell)
FDGP—Foreign Device Gateway Processor
FDI—Foreign Device Interface (Siemens-Moore)
FDM—Field Device Manager [formerly FDCM] (Honeywell)
FDSI—Foreign Device System Integrator (Invensys-Foxboro)
FED—Field Entered Data (Honeywell)
FEM—Front End Module (EPM-Rosemount)
—Fieldbus Expansion Module (Invensys-Foxboro)FFCS—(Compact) Field Control Station (Yokogawa)
FFLD-C—FOUNDATION Fieldbus-to ControlNet Linking Device (AB-Rockwell)
FFLD—FOUNDATION Fieldbus-to-EtherNet/IP Linking Device (AB-Rockwell)
FFU—FirstInFirstOut Unload` (AB-Rockwell)
FIC—Field Interface Card (EPM)
FIM—Field Interface Module (EPM);
—Fieldbus Interface Module (Honeywell);
—Field Bus Integrator Module (Invensys-Foxboro)FLM—Fieldbus Library Manager (Honeywell)
FOE—Fiber Optic Extension (Siemens-Moore)
FOL—Fiber Optic Link (Honeywell)
FSC—Fail Safe Controller (Honeywell)
FSIM—Foxboro I/A SIMulation (Invensys-Foxboro/SimSci-Esscor)
FST—Function Sequence Table (EPM-Fisher)
FTA—Field Termination Assembly (Honeywell)
FTB—Fault Tolerant Bridge (Honeywell)
FTE—Fault Tolerant Ethernet (Honeywell)
-G-
GAK—Group Annunciator Keyboard (ABB-F&P)
GCI—Graphical Configuration Interface (EPM)
GEDIT—Interactive software for building graphic displays (EPWS-Westinghouse)
GES—Global Expansion Satellite (Siemens-Moore)
GI/IS—Galvanic Isolation, Intrinsically Safe (Honeywell)
GPCI—General Purpose Computer Interface (Honeywell)
GP—Graphics Processor (Metso-L&N-MAX); Gateway Processor (Invensys-Foxboro)
GPI—General Purpose Interface (Siemens-Moore)
GSGW—Generic Subsystem Gateway (Yokogawa)
GSV—Get System Value instruction (AB-Rockwell)
GTY, GWY—Gateway (ABB-F&P)
GUS—Global User Station (Honeywell);
—Global Utilization System (Honeywell)-H-
HAC—Harmony Area Controller (ABB-Bailey)
HAP—Harmony Area Platform (ABB-Bailey)
HART®—Highway Addressable Remote Transducer (EPM-Rosemount)
HLBL—High Level Batch Language (Invensys-Foxboro)
HC—Hybrid Controller (Honeywell)
HCI—Host Computer Interface equipment (Metso-L&N-MAX);
—Honeywell Communication Interface (Honeywell)HCM—Host Computer Module (GSE Systems)
HDA—History Data Access server (Honeywell)
HDAI—High-Density Analog Input (Invensys-IPS)
HDDI—High-Density Digital Input (Invensys-IPS)
HDI—Highway Direct Interface circuit card (Metso-L&N-MAX);
—High-Density Input (Invensys-IPS)HDL—Highway Data Link (EPM-Fisher)
HDP/VT—Historical Data Processor Virtual Terminal (Metso-L&N-MAX)
HDP—Historical Data Processor equipment (Metso-L&N-MAX)
HDR—Historical Data Reporter (EPWS-Westinghouse)
HF-Bus—Proprietary communication in m XL (Yokogawa)
HFM—HART® Fieldbus Module (Siemens-Moore)
HG—Hiway Gateway (Honeywell)
HIA—Highway Interface Adapter (EPM-Rosemount)
HIC—Human Interface Configuration (Invensys-Foxboro)
HIM—Hiway Interface Module (Honeywell)
HIS—Human Interface Station (Yokogawa)
HIU—Hydrostatic Interface Unit (Invensys-Foxboro)
HL—Host Link (Metso-L&N-MAX)
HLAI—High Level Analog Input (Honeywell)
HLL—High Level Link (Siemens-Moore);
—High Level Language (EPWS-Westinghouse)HLPIU—High Level Process Interface Unit (Honeywell)
HM—History Module (Honeywell)
HMPC—Horizon Multivariable Predictive Control (Honeywell)
HPC—Honeywell Programmable Controller (Honeywell);
—Horizon Predictive Controller (Honeywell);
—High Performance Controller [later called HPM] (Honeywell)HPM—High-performance Process Manager (Honeywell)
HPPC—High Performance Programmable Controller (EPWS-Westinghouse)
HPS—High Performance System (Invensys-Foxboro)
HSI—Human System Interface (ABB)
HSPCI—High Speed Pulse Counter Input (GSE Systems)
HSR—Historical Storage and Retrieval Unit (EPWS-Westinghouse)
HST—HydroStatic Tank gauge (Invensys-Foxboro)
HTD—Hiway Traffic Director (Honeywell)
HVTS—Hardware Verification Test System (Honeywell)
-I-
I/A—Intelligent Automation (Invensys-Foxboro)
IACC—I/A Series Configuration Component (Invensys-Foxboro)
ICC—Integrated Control Configurator (Invensys-Foxboro)
ICI—Independent Computer Interface (Siemens-Moore);
—Intelligent Computer Interface (ABB-Bailey)ICM—Industrial Computer Module (Siemens-Moore)
—Intelligent Communications Module (Invensys-IPS)ICN—Instrument Communications Network (ABB)
ICS—Industrial CRT Station (Siemens-Moore);
—Information Command Station (Yokogawa)IDI—Isolated Discrete Input module (Siemens-Moore);
—Intelligent Device Interface (EPM-Fisher)IDM—Input Discrete Module (Siemens-Moore)
IDO—Isolated Discrete Output module (Siemens-Moore)
IDS—Intelligent Design Studio (Invensys-Foxboro)
IEE—InFusion Engineering Environment (Invensys-IPS)
IEM—Industrial Ethernet Module (Siemens)
IFC—Integrated Function Controller (EPM-Fisher)
IFD—Intelligent Field Device (Invensys-Foxboro)
IFDC—Intelligent Field Device Configurator (Invensys-Foxboro)
IFI—IObus Fiber-optic Interface (Siemens-Moore)
IGAP—Initialize Go Ahead Pointer (Metso-L&N-MAX)
IGP—Instrument Gateway Processor (Invensys-Foxboro)
IIL—INFI-NET to INFI-Net Local Interface (ABB-Bailey)
IIR—INFI-NET to INFI-NET Remote Interface (ABB-Bailey)
IIS—Instrument Information System (EPM)
IKB—Integrated KeyBoard (Honeywell)
IMP—Inferential Modeling Platform (ABB)
IMS—Information Management Station (ABB)
INI—Information Network Interface (Invensys-Foxboro)
INIP—Information Network Interface Processor (Invensys-Foxboro)
IOC—I/O Communications (Invensys-IPS)
IOL—Input/Output Link (Honeywell)
IOM—Input/Output Module (Honeywell)
ION—Integrated Operator Node (Honeywell)
IOP—Input/Output Processor (Honeywell)
IOTA—Input/Output Termination Assembly (Honeywell)
IPL—INFI-NET to Plant Loop Local Interface (ABB-Bailey)
ISTA—Intrinsic Safety Termination Assembly (Invensys-Foxboro)
ISTA-BP—Intrinsic Safety Termination Assembly Base Plate (Invensys-Foxboro)
ITC—Isolated ThermoCouple (Invensys-IPS)
-L-
LANI—Local Area Network Interface (Invensys-Foxboro)
LCM—Loop Class Modules (ABB)
LCN—Local Control Network (Honeywell)
LCP—Logical Control Points (EPM-Fisher)
LCS—Logic Controller System (Honeywell)
LCTB—Local Customer Termination Board (ABB-F&P)
LANI—Local Area Network Interface (Invensys-Foxboro)
LCM—Loop Class Modules (ABB)
LCN—Local Control Network (Honeywell)
LCP—Logical Control Points (EPM-Fisher)
LCS—Logic Control(ler) System (Honeywell)
LCTB—Local Customer Termination Board (ABB-F&P)
LCT—Local Configuration Terminal (Siemens-Moore)
LEPIU—Low Energy Process Interface Unit (Honeywell)
LES—Local Expansion Satellite (Siemens-Moore)
LIL—Local Instrument Link (Siemens-Moore)
LIM—Loop Interface Module (ABB-Bailey);
—Link Interface Module (Siemens-Moore)LIOM—Legacy Input/Output Module (Honeywell)
LIP—LAN Interface Processor (Invensys-Foxboro)
LLL—Low Level Link (Siemens-Moore)
LLAI—Low Level Analog Input (Honeywell)
LLMUX—Low Level MUltipleXer (Honeywell)
LLPIU—Low Level Process Interface Unit (Honeywell)
LM—Logic Manager (Honeywell)
LMM—Logic Master Module (ABB-Bailey)
LOC—Local Operator's Console (ABB-F&P)
LOG—Logging definition language (EPWS-Westinghouse)
LOP—Local Operator Panel (ABB-F&P)
LOS—Loop Operator's Station (Siemens-Moore)
LPM—Loop\ power Module (EPM);
—Loop Performance Manager (ABB)LPU—Local Processing Unit (Metso-L&N-MAX)
LSC—Logic & Sequence Controller (Siemens-Moore)
LTD—Local Traffic Director (EPM-Fisher)
LU—Logging Unit (EPWS-Westinghouse)
LWS—Local Work Station (Siemens-Moore)
-M-
M&M—Multibus & Modems card cage in Operator Station (Metso-L&N-MAX)
M/11—MYCRO/11 Computer System (Siemens-Moore)
MACL—Manufacturing Automation Control Language (Honeywell)
MAIO—Multipoint Analog Input Output panel (EPM)
MAOTP—Multiple Analog Output Terminal Panel (GSE Systems)
MAS—Modular Automation System (Honeywell)
MBA—Modular Batch Automation (Honeywell)
MBC—Modular Batch Controller (Siemens-Moore)
MBI—MODULBUS Interface module (Siemens-Moore)
MBU—MultiBUs interface to DIOB (EPWS-Westinghouse)
M-BUS—MODULBUS (Siemens-Moore)
M-bus—Multibus (ABB)
MBX—MODULBUS eXpander Module (Siemens-Moore)
MC—Multifunction Controller (Honeywell)
MCS—Management Command Station (ABB-Bailey)
—Manufacturing Control System (Honeywell)MCU—Microcomputer Unit (GSE Systems);
—Multiplexer Control Unit (EPM-Fisher)MDAS—Modular Data Acquisition Satellite (Siemens-Moore)
MDIO—Multipoint Digital Input Output termination panel (EPM)
MDS—Multipoint Display Station (Siemens-Moore)
MFC—Multi-Function Controller (ABB-Bailey), (EPM-Fisher)
MFCD—Field Control Unit, dual processor, m XL (Yokogawa)
MFCU—Field Control Unit, single processor, m XL (Yokogawa)
MFMS—Field Monitor Unit, mXL (Yokogawa)
MFP—Multi-Function Processor (ABB-Bailey)
MHD—Moving Head Disk (Honeywell)
MHPC—Multivariable Horizon Predictive Controller, (Honeywell)
MIC—Modular Industrial Console (Invensys-Foxboro)
MIO—Multipoint Input Output panel (EPM)
MIS—Management Information System in Operator Station (Metso-L&N-MAX)
MIW—Modular Industrial Workstation (Invensys-Foxboro)
MLC—Multi-Loop Controller (Siemens-Moore)
MMLC—Modular MultiLoop Controller (Siemens-Moore)
MM—Memory Module (ABB)
—Manager Module (Honeywell-Alcont)MMU—Module Mounting Unit (ABB-Bailey)
M-NET—MODULNET (Siemens-Moore)
MNI—MODULNET Interface Card (Siemens-Moore)
MODEL—Management Of Database ELements (GSE Systems)
MOPL—Free standing Operator station, m XL (Yokogawa)
MOPLS—Table top 20" Operator station, m XL (Yokogawa)
MOPS—Table top 14" Operator station, m XL (Yokogawa)
MOS—Modular Operator Station (Siemens-Moore)
MP—MasterPiece controller series (ABB);
—Main Processor (Invensys-IPS)MPC—Multifunction Programmable Controller (ABB-Bailey);
—MultiPurpose Controller (EPM-Rosemount);
—Model Predictive Controller (EPM)MPS—Mobile Productivity Solutions (Honeywell)
MPU—MicroProcessor Unit card (EPM-Fisher)
MPUS—Maintenance Personality Universal Station (Honeywell)
MSG—Configure Message (AB-Rockwell)
MSJP—Manual Station Junction Panel (Metso-L&N-MAX)
MS—Manufacturing Supervisor (Honeywell)
MSSO—Multiple Static Station Option (Honeywell)
MTA—Marshaled Termination Assembly (Siemens-Moore)
MTCC—Multi-Tube Command Console (EPM-Rosemount)
MTU— Master Terminal Unit (EPM-Fisher)
MUX—MUltipleXer controller (EPM-Fisher)
MV—MasterView operator console series (ABB)
MVI—Multi-Vender Interface (AB-Rockwell)
MWC—Manufacturing Work Center (Honeywell)
MYCAD—MYCRO Configuration And Documentation (Siemens-Moore)
MYSL—MYCRO Sequence Language (Siemens-Moore)
-N-
NAB—Network Access Port (AB-Rockwell)
NBE—NodeBus Extender (Invensys-Foxboro)
NB—NodeBus (Invensys-Foxboro)
NCF—Network Configuration File (Honeywell)
NCM—Network Communications Module (Invensys-IPS)
NCNI—Nodebus/Control Network Interface (Invensys-Foxboro)
NCS—Network Control system (Yokogawa)
ND—Network Device (EPM-Fisher)
NG—Network Gateway (Honeywell)
NIC—Network Interface Controller(Honeywell)
NIM—Network Interface Module (Honeywell), (Siemens-Moore)
NIP—Nodebus Interface Processor (Invensys-Foxboro)
NIS—Network Interface Slave (ABB-Bailey)
NITC—Non-Isolated ThermoCouple (Invensys-IPS)
NIU—Network Interface Unit (ABB-Bailey), (EPM-Fisher)
NOS—Network Operations Server (EPM)
NPM—Network Processing Module (ABB-Bailey)
NPU—Network Processing Unit (ABB-Bailey)
NRS—Node Rack Slot address (Siemens-Moore)
NTD—Network Traffic Director (EPM-Fisher)
NUT—Network Update Time (AB-Rockwell)
NVM—NonVolitle Memory (EPM-Rosemount)
-O-
OAS—Open Applications Server (Siemens-Moore)
OBU—Output Bypass Unit (EPM-Rosemount)
OCM—Operator Control Module (GSE Systems);
—Optical Communication Module (ABB)OCP—Operator Control Panel (ABB)
ODM—Output Discrete Module (Siemens-Moore)
ODMS—Open Data Management System (ABB-Bailey)
OEE-DTM—Overall Equipment Effectiveness and DownTime Management (Siemens)
OEI—Optical/Electrical Interface hardware module (Metso-L&N-MAX)
OEP—Operator Entry Panel (Honeywell)
OIM—Operator Interface Module (EPWS-Westinghouse)
OIP—Open Industrial Platform (Invensys-Foxboro)
OIS—Operator Interface Station (ABB-Bailey);
—Open Industrial Server (Invensys-Foxboro)OIU—Operator Interface Unit (ABB-Bailey)
OM—Operator Module (Honeywell-Alcont)
—Operations & Monitoring (Siemens)
—Object Manager (Invensys)OM&S—Oil Movements and Storage (Honeywell)
OMC—Open Modular Controller (Invensys-Foxboro)
OPS—Operator Performance Solutions (Honeywell)
OS—Operator Station (Metso-L&N-MAX)
OSM—Open Systems Manager (ABB-Bailey);
—Optical Switch Module (Siemens)OTM—Operator Training Module (EPM)
OTS—Operator Training Simulator (Invensys-Foxboro)
OWP—Operator WorkPlace (EPM-Fisher)
OWS—Operator Workstation (AB-Rockwell)
-P-
PAC—Personality Adapter Card (Honeywell)
PAL—Process Assembly Language (Honeywell)
PAM—Predictive Analysis Monitor (Invensys-Foxboro)
PAS—PRoVOX Application Server (EPM)
PASS—Process Automation System Server (AB-Rockwell)
PAT—Position Adjusting Type control (Metso-L&N-MAX)
PBS—Parallel Bus Slave module (ABB-Bailey)
P-Bus—Parallel Bus (ABB)
P&C—Predict & Control (ABB)
PCDM—PC Data Manager (Honeywell)
PCI—Pulse-Count Input (EPM)
PCIU—Programmable Controller Interface Unit (EPM-Fisher)
PCL—Programmable Control Link (EPM)
PCM—Programmable Controller Module (EPWS-Westinghouse);
—Process Control Module (GSE Systems)PCNM—PC Network Manager (Honeywell)
PCN—PeerWay Control Network (EPM-Rosemount);
—Plant Control Network (Honeywell)PCOS—Process Computer Operating Station (Honeywell)
PCSI—Personal Computer Serial Interface (Honeywell)
PCS—Programmable Sequence Controller (Siemens-Moore)
PCU—Process Control Unit (ABB-Bailey), (ABB-F&P)
PCV—Process Control View (ABB-Bailey)
PDA—Power Distribution Assembly (Siemens-Moore)
PDF—PRoVOX Display Format (EPM-Fisher)
PDI—PRoVOX-DeltaV Integrator (EPM-Fisher)
PDH—Plant (Process) History Database (Honeywell)
PDM—Process Device Manager (Siemens)
—Product Definition Manager [also PDefM] (Siemens)
—Product Data Management (Honeywell)PDS—Process Data Server (EPM)
PDX—Portable Data Transfer (EPM-Fisher)
PFC—I/O processor board (ABB-F&P)
PF—Programmable Functions (Metso-L&N-MAX)
PFI—Programmable Functions Interpreter (Metso-L&N-MAX)
PG—Processor Gateway (Honeywell)
PHD—Plant History Database; Process History Database (both Honeywell)
PIB—Programmable Interface Board (ABB)
PICS—PC-based Information Command Station (Yokogawa)
PIM—Process Interface Module (GSE Systems);
—Pulse Input Module (Invensys-IPS)PIN—Plant Information Network (Honeywell)
PIO—Parallel Input/Output (GSE Systems);
—Process Input Output (Invensys-Foxboro)PIU—Process Interface Unit (ABB-F&P), (Honeywell)
PIWS—Process information Web Server (ABB)
PKS—Process Knowledge System (Honeywell)
PLB—Programmable Logic Block (Invensys-Foxboro)
PLCG—Programmable Logic Controller Gateway (Honeywell)
PLNM—Plant Network Module (Honeywell)
PM—Process Manager (Honeywell);
—Processor Module (ABB)PMA—Plant Management Area (EPM-Fisher)
PMD—Process, Machinery and Drives (Honeywell)
PMI—Process Management Information system (EPM)
PMIO—Process Manager Input/Output (Honeywell)
PMM—Process Manager Module (Honeywell)
POC—PRoVOX Operator Console (EPM-Fisher)*
POCI—PRoVOX Operator Console Interface (EPM-Fisher)
POET—Package Of Engineering Tools (GSE Systems)
POL—Problem Oriented Language (EPWS-Westinghouse)
POPUS—Process Operator Personality Universal Station (Honeywell)
POV—Process Object View (Siemens)
PPA—Plant Process Area (EPM-Fisher)
PPCN—Packaged Plant Control Network (Honeywell)
PPO—Position Proportioning Output (Honeywell)
PR—Power Regulator (EPM-Rosemount)
PRM—Plant Resource Manager (Yokogawa)
PS—ProcessSuite (Siemens-Moore);
—PlantScape (Honeywell)PSAP—Page Selector and Alarm Panel (ABB)
PSIC—Programmable Serial Interface Card (EPM)
PSIM—Process Simulator (Siemens-Moore)
PSM—Power Supply Module (Siemens-Moore)
PSR—Power Supply Rack (Siemens-Moore)
PSU—Process Sequencer Unit (EPWS-Westinghouse)
PTC—Proportional Time Controller (Invensys-Foxboro)
PTM—Process Termination Module (GSE Systems)
PW—Personal Workstation (Invensys-Foxboro)
PWA—Printed Wiring Assembly
PW-C—Personal Workstation for Configuration (Invensys-Foxboro)
PW-FB—Personal Workstation for Field Bus interface (Invensys-Foxboro)
PW-HTG—Personal Workstation for Hydrostatic Tank Gauge (Invensys-Foxboro)
PW-NB—Personal Workstation for NodeBus control systems (Invensys-Foxboro)
PW-SSI—Personal Workstation for Single Station Interface (Invensys-Foxboro)
-Q-
QAH—High speed analog input card (EPWS-Westinghouse)
QAM—Auto/Man station I/O card (EPWS-Westinghouse)
QAO—Analog Output card (EPWS-Westinghouse)
QAV—Low level analog input card (EPWS-Westinghouse)
QAW—High level analog input card (EPWS-Westinghouse)
QBO—Solid state digital output card (EPWS-Westinghouse)
QCI—Contact Input card (EPWS-Westinghouse)
QDI—Digital Input card (EPWS-Westinghouse)
QLC—Local Communication card (EPWS-Westinghouse)
QLI—Loop Interface card (EPWS-Westinghouse)
QRT—RTD analog input card (EPWS-Westinghouse)
QSE—Sequence of Events input card (EPWS-Westinghouse)
QTO—Sealed contact output card (EPWS-Westinghouse)
QVCS—Qualification and Version Control System (Honeywell)
-R-
RBL—Rosemount Basic Language (EPM-Rosemount)
RBLC—Rosemount Basic Language Controller (EPM-Rosemount)
RCM—Recipe Control Module (Honeywell)
RCNI—Redundant Control Network Interface (Invensys-Foxboro)
RDB—Relational Data Base (ABB-Bailey)
RDP—Remote Display Protocol (ABB)
RFM—Remote Field bus Module (Invensys-Foxboro)
RHIO—Remote Hardened Input/Output (Honeywell)
RHMUX—Remote Hardened MUltipleXer (Honeywell)
RHS—Relational History Server (Honeywell)
RIC—Rack-mounted Industrial Computer (Siemens-Moore)
RIO—Remote Input Output (AB-Rockwell)
RIOM-A—Rail Input/Output Module seriesA (Honeywell)
RIOM-H— Rail Input/Output Module seriesH [Hazardous] (Honeywell)
RIS—Rack-mounted Industrial Server (Siemens-Moore)
RIU—Remote Interface Unit (EPM)
RL-Bus—Proprietary communication in Centum-XL (Yokogawa)
RM—Redundancy Manager (Siemens);
—Redundancy Module (AB-Rockwell)RMCD—Reserve Multifunction Controller Director (Honeywell)
RMP—Recipe Management Package (Siemens-Moore)
RMPC—Robust Multivariable Predictive Control (Honeywell)
RMPCT—Robust Multivariable Predict Control Technology (Honeywell)
RMS—Recipe Management Station (Siemens-Moore)
RMTA—Relay Marshaled Termination Assembly (Siemens-Moore)
RNI—RS3 Network Interface (EPM-Rosemount);
—Rack-mounted Network Interface (Siemens-Moore)RNRP—Redundant Network Routing Protocol (ABB)
ROC—Remote Operation Controller (EPM-Fisher)
ROS—RS3 Operating Station (EPM-Rosemount)
RPQNA—Rosemount Peerway Q-bus Network Adapter (EPM-Rosemount)
RPU—Remote Processing Unit (Metso-L&N-MAX)
RS3—Rosemount System Three (EPM-Rosemount)
RTC—Remote Technical Center (EPWS-Westinghouse);
—Remote Time Clock (Siemens-Moore)RTD—Remote Traffic Director (EPM-Fisher)
RTMOS—Real-Time Multiple Operator System (Honeywell)
RTM—Resistance Temperature Module (Siemens-Moore)
RTP—Real-Time Processor (Metso-L&N-MAX);
—Remote Termination Panel (Honeywell)RTX—Real Time Executive (Invensys-Foxboro)
RXM—Remote Extender Module (Invensys-IPS)
-S-
SABL—Sequence And Batch Language (GSE Systems)
SAI—Standard Analog Input module (Siemens-Moore)
SALL HLSI—State and Logic Language High Level Serial Interface (Invensys-IPS)
SAM—Standard Analog Module (Siemens-Moore);
—Special Alarm Management (Honeywell)
—Station Access Manager (Invensys-Foxboro)SBHM—Single Board History Module (Honeywell)
SDC—Station Computing Device (Invensys-Foxboro)
SCE—Simulation Control Environment (Honeywell)
SCI—Supervisory Computer Interface (EPM-Rosemount)
SCM—Satellite Control Module (Siemens-Moore);
—Sequence Control Module (Honeywell)SCS—Safety Control System (Yokogawa)
SCU—Safety Control Unit (Yokogawa)
SDI—Satellite Discrete Input (Siemens-Moore)
SDM—Standard Discrete Module (Siemens-Moore)
SDO—Supervised Digital Output (Invensys-IPS)
SEBOL—Sequence & Batch Oriented Language, (Yokogawa)
SEER—Steam Electric Evaluation and Recording (Honeywell)
SERCOS—SErial Real-time COmmunications System (Rockwell)
SESP—Solution Enhancement Support Program (Honeywell)
SIM—Serial Interface Module (EPWS-Westinghouse);
—System Integrity Module (ABB)SIU—Station Interface Unit (EPWS-Westinghouse);
—Serial Interface Unit (EPM-Fisher)SLC—Single Loop Controller (ABB, Siemens-Moore)
SLDC—Single Loop Digital Controller (Siemens-Moore)
SMDH—System Monitor Display Handler (Invensys-Foxboro)
SMM—Safety Manager Module (Honeywell)
SMS—System Manager Software (Schneider)
SMT—Software Migration Tool (ABB)
SMX—Scheduled Network Maximum (AB-Rockwell)
SODG—Screen Oriented Display Generator software (ABB-Bailey)
SOPL—Sequence Oriented Procedural Language (Honeywell)
SPCP—Statistical Process Control Package (Invensys-Foxboro)
SPE—Structured Project Engineering (EPM)
SPP—Solutions Partner Program (Siemens)
SPV—Statistical Process View (ABB)
SRM—System Redundancy Module (AB-Rockwell)
SRU—System Resource Unit (EPM-Rosemount)
SRx—Slave/Remote (?) controller to connect to field devices (EPM)
SSC—Secure Supervisory Control (Invensys-Foxboro o)
SSI—Single Station microcontroller Interface (Invensys-Foxboro)
SST—Small System Technology (EPWS-Westinghouse)
STIM—Smart Transmitter Interface Module (Honeywell)
STI—Smart Transmitter Interface (EPM-FRSD), (Honeywell)
STIMV—Smart Transmitter Interface-MultiVariable (Honeywell)
ST—Smart Transmitter (Honeywell)
SV-Net—A MAP-based data highway, Centum-XL (Yokogawa)
-T-
TA—Termination Assembly (Invensys-Foxboro)
TCL—Taylor Control Language (ABB)
TCM—Tricon Communication Module (Invensys-IPS)
TCPC—Triple-redundant Critical Process Controller (Honeywell)
TCU—Total Control Unit (EPWS-Westinghouse)
TDA—Transient Data Analyzer (Invensys-Foxboro)
TDC—Total Distributed Control (Honeywell)
TDM—Time Division Multiplexing (EPWS-Westinghouse)
TDR—Transient Data Recording (Invensys-Foxboro)
TGIF—Trend Group In Force; in Operator Station (Metso-L&N-MAX)
TIA—Totally Integrated Automation platform (Siemens)
TIM—Telecontrol Interface Module (Siemens);
—Thermocouple Input Modules (Invensys-IPS)TIWAY—Texas Instruments data highWAY (TI, used on GSE Systems)
TLDC—Triple Loop Digital Controller (Siemens-Moore)
TLL—Taylor Ladder Logic (ABB)
TPA—TotalPlant Alcont (Honeywell)
TPB—TotalPlant Batch (Honeywell)
TPH—TotalPlant History (Honeywell)
TPN—TotalPlant Process Network (Honeywell)
TPO—Time Proportioning Output (EPM-Fisher)
TPS—TotalPlant (Solution) System (Honeywell)
TRAC—Trip Requirement and Availability Calculator (ABB)
TRIO—Taylor Remote Input/Output (ABB)
TSDO—Tricon Supervised Digital Output (Invensys-IPS)
TU—Termination Unit (ABB-Bailey)
-U-
UAC—Uninterrupted Automatic Control back-up system (Honeywell)
UCAL—User defined CALculations (ABB)
UCF—Unit Control Function(s) (Honeywell)
UCM—Unit Control Module (Honeywell)
UCN—Universal Control Network (Honeywell)
UDC—Universal Digital Controller (Honeywell)
UIOB—Universal I/O Bus (EPWS-Westinghouse)
UMC—Universal Multiloop Controller (Honeywell)
UMS—Unified Manufacturing Solutions (Honeywell)
UOC—Unit Operations Controller (EPM-Fisher)
UOM—Unit of Measure (Metso-L&N-MAX)
UPCI—Universal PLC Interface (EPWS-Westinghouse)
US—Universal Station (Honeywell)
UWS—Universal Work Station (Honeywell)
UXS—Universal Station (Honeywell)
-V-
VAT—Voltage Adjusting Type control (Metso-L&N-MAX)
VCIA—VME-based Communications Interface Assembly (EPM)
VCAT—Version Control & Audit trail software (EPM-DeltaV)
VDS—Versatile Data Server (Yokogawa)
VDU—Video Display Unit (EPM-Fisher)
VERBAL—English text programming language (EPWS-Westinghouse)
VIM—Voltage Input Module (Siemens-Moore)
VIOC— Virtual Input/Output Coupler (EPM-Fisher)
VXI—VAX Computer Interface (EPWS-Westinghouse)
-W-
WDI—Web data Interface (ABB)
WDPF—Westinghouse Distributed Processing Family (EPWS-Westinghouse)
WinnCC—Window Control Center (Siemens)
WP—Workstation Processor (Invensys-Foxboro)
WS—WorkStation (Metso-L&N-MAX)
-X-
XDC—X-windows Display Center (ABB-F&P)
XL-Net—Software to operate on multiple platforms, mXL (Yokogawa)
xPM—eXtended Process Manager (Honeywell)
XTC—Transmitter/Controller (Siemens-Moore "Smart" Transmitter)
-Z-
ZCP—Z-module (form factor) Control Processor (Invensys-Foxboro)