| TERM |
DEFINITION |
| 303 |
Pressurised Telecomunication Monitoring |
| AC |
Alternating current |
| ACP |
Automotive Cable Products |
| ACU |
Auxiliary Control Unit - 8 or 16 port expansion unit for AIRMON or OILMON MCU |
| AIRMON |
Air Monitoring |
| ALH |
Advanced Light Helicopter |
| AM |
Air Monitoring |
| ATP |
Acceptance test procedure |
| BDV |
Blow Down Valve |
| BPO |
British Post office |
| BT |
British Telecom |
| CAA |
Civil Aviation Authority |
| CABALARM |
Cabinet locking for roadside telephone connection boxes |
| CAD |
Computer Aided Design |
| CAL |
Cargo Aids Limited |
| CAM |
Computer Aided Manufacture |
| CDU |
Compressor Desiccator unit - A unit combining an air compressor, pressure reservoir & desiccator unit to provide a source of dry air |
| CE |
Conformité Européenne (European health & safety product label) |
| COSHH |
Control of Substances Hazardous to Health (such as liquids, solids, gases, powders, dusts, bacteria, viruses, vapour and fumes) |
| CPU |
Cable Pressurisation Unit |
| DART |
Data acquisition by radio telemetry - Drallim wireless remote monitoring technology |
| DC |
Direct current |
| DCE |
Data Collect Equipment |
| DCEM |
Data Collect Equipment Multiplexer |
| DCL |
Drallim Controls Limited |
| DCpc |
Diagnostic Coverage for a Partial Stroke Test |
| DCS |
Distributed Control System |
| DDP |
Declaration of design and performance |
| DIANA |
Digital Interface Acquisition and Network Administrator |
| DIL |
Drallim Industries Limited |
| DISCERN |
Drallim Industries Scada System for Cabinet Exchange and Remote Network |
| DISEAL |
Drallim Industries Scada System with Electricity Algorithm |
| DTL |
Drallim Telecom Ltd |
| DUSA |
Drallim USA Ltd |
| EASA |
European Aviation Safety Agency |
| ECP |
Equipment Cable Pressurisation |
| EIV |
Emergency Isolation Valve |
| EMC |
Electro-magnetic compatibility |
| ESD |
Emergency Shutdown |
| ESDV |
Emergency Shut Down Valve |
| FAA |
Federal Aviation Authority |
| FMEA |
Failure Modes and Effects Analysis |
| FMEDA |
Failure Modes Effects and Diagnostic Analysis |
| FRS |
Fast Roping System |
| FSD |
Full scale deflection |
| GIS |
Gas Insulated switchgear |
| GRP |
Glass reinforced plastic |
| HH |
High humidity |
| HIPPS |
High Integrity Pressure Protection System |
| HP |
High pressure |
| HUSLE |
Helicopter Underslung Load Equipment |
| IEC |
International Electrotechnical Commission |
| IEC 61508 |
Functional safety of electrical/electronic/programmable electronic safety-related system (for manufacturers and suppliers of devices) |
| IEC 61511 |
Functional Safety Safety Instrumented Systems for the process industry sector (for SIS designers, integrators and users) |
| IP |
Ingress Protection A system used to define the protection of an enclosure against ingress of water and dust |
| IrDA |
Infrared Data Association |
| ISA-S84.01 |
Application of Safety Instrumented Systems for the Process Industry (Origins of proof testing requirement) |
| JAA |
Joint Aviation Authority |
| LASH |
Lashings |
| LCP |
Local Control Panel |
| LME |
Load Measuring Equipment |
| lD |
Dangerous failure rate. Comprised of lDD (Dangerous Detected) and lDU (Dangerous Undetected) |
| LMT |
Limited Movement Testing |
| LP |
Low pressure |
| lS |
Safe failure rate. Comprised of lSD (Safe Detected) and lSU (Safe Undetected) |
| MCU |
Master Control Unit - Main component of RMU |
| MF |
Mains fail |
| MTBF |
Mean Time Between Failure |
| Mux |
Multiplexer |
| NACE |
National Association of Corrosion Engineers |
| NRV |
Non Return Valve |
| OCB |
Overcentre or (over center) Buckle |
| ODBC |
Open Database Connectivity |
| OEM |
Original Equipment Manufacturer |
| OILMON |
Oil monitoring |
| OLE |
Object Linking and Embedding |
| OPC |
OLE for Process Control |
| OPN |
Oil pressure monitoring |
| Partial Stroking |
Stroke testing an ESD valve, typically 15-20% of its full stroke so as to diagnose it's condition without requiring a full closure or system shutdown |
| PC |
Personal Computer |
| PCB |
Printed Circuit Board |
| Pda |
Personal digital assistant |
| PFD |
Probability of Failure on Demand. |
| PFDavg |
Average Probability of Failure on Demand for a given SIF |
| PIV |
Pneumatic Interlok (or Interlock) Valve. A rotary valve used to control the flow of fluid for complex pneumatic operation |
| PLC |
Programmable Logic Controller |
| PMV |
Pressure Maintaining Valve |
| PO |
Post office |
| PPR |
Panel Pressure Regulating |
| PST |
Partial Stroke Testing |
| PSTN |
Public switched telephone network |
| PSU |
Power supply unit |
| QA |
Quality Assurance |
| QEV |
Quick Exhaust Valve |
| QRC |
Quick Release Coupling |
| RCM |
Remote contact monitor |
| RDT |
Remote Digital Transducer. A specially designed transducer for use in the electricity industry |
| REACH |
Registration, Evaluation, Authorisation and restriction of CHemicals |
| RH |
Relative Humidity |
| RMU |
Remote Monitoring Unit |
| RoHS |
Restriction of Hazardous Substances (the restriction of the use of certain hazardous substances in electrical and electronic equipment". ) |
| RSV |
Rotary Switch Valve, or rotary selector - Original description of the PIV |
| SACRU |
Semi Automatic Cargo Release Unit |
| SCADA |
Supervisory control and data acquisition |
| SCFD |
Standard cubic feet per day |
| SCFH |
Standard cubic feet per hour |
| SF6 |
Sulfur Hexafluoride |
| SFF |
Safe Failure Fraction |
| SIF |
Safety Instrumented Function |
| SIL |
Safety Integrity Level |
| SIS |
Safety Instrumented System. |
| SOV |
Solenoid Operated Valve |
| SSIV |
Sub Sea Isolation Valve |
| SVM |
Smart Valve Monitor or Monitoring - Drallim designation for advanced valve diagnostic PST system |
| TCU |
Turbo Control Unit |
| TCUA |
Turbo Control Auxiliary |
| TCUM |
Turbo Control Unit Master |
| TCUT |
Turbo control unit terminal - A Diagnostic tool for use with Drallim Monitoring System |
| TUA |
Transducer Analogue |
| TUD |
Transducer Digital |
| UVDB |
Utilitiy Vendor Data Base |
| WEEE |
Waste, Electric and Electronic Equipment (directive) |
| WG |
Waveguide |
| WIS |
Weight Indication System |